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authorPeter Robinson <pbrobinson@gmail.com>2013-01-07 19:50:16 +0000
committerPeter Robinson <pbrobinson@gmail.com>2013-01-07 19:50:16 +0000
commit6f61d3d33ccb9f50fce95ee050b0c5eba1b4ed4c (patch)
tree8d9cbe6c793a7ea848b71b526a9fa5b69c0bf1a3
parentde2f736e913d657228ebe095c6ee46df84c8b2e5 (diff)
downloadkernel-6f61d3d33ccb9f50fce95ee050b0c5eba1b4ed4c.tar.gz
kernel-6f61d3d33ccb9f50fce95ee050b0c5eba1b4ed4c.tar.xz
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Further ARM config updates, Add patch to fix building omapdrm
-rw-r--r--arm-omapdrm-fixinc.patch2774
-rw-r--r--arm-tegra-nvec-kconfig.patch8
-rw-r--r--config-arm-generic1
-rw-r--r--config-arm-omap4
-rw-r--r--config-arm-tegra4
-rw-r--r--config-armv751
-rw-r--r--kernel.spec14
7 files changed, 2827 insertions, 29 deletions
diff --git a/arm-omapdrm-fixinc.patch b/arm-omapdrm-fixinc.patch
index 001b4c57f..6892655eb 100644
--- a/arm-omapdrm-fixinc.patch
+++ b/arm-omapdrm-fixinc.patch
@@ -1,15 +1,2767 @@
---- linux-3.7.0-0.rc2.git4.2.fc19.x86_64/drivers/staging/omapdrm/omap_crtc.c.orig 2012-10-30 09:58:47.613641237 +0000
-+++ linux-3.7.0-0.rc2.git4.2.fc19.x86_64/drivers/staging/omapdrm/omap_crtc.c 2012-10-30 10:05:36.996081758 +0000
-@@ -19,9 +19,9 @@
+--- linux-3.8.0-0.rc2.git1.1.fc19.x86_64/arch/arm/mach-omap2/drm.c.orig 2013-01-07 12:31:44.014857064 +0000
++++ linux-3.8.0-0.rc2.git1.1.fc19.x86_64/arch/arm/mach-omap2/drm.c 2013-01-07 12:33:33.570861903 +0000
+@@ -27,6 +27,7 @@
- #include "omap_drv.h"
+ #include "omap_device.h"
+ #include "omap_hwmod.h"
++#include "soc.h"
--#include "drm_mode.h"
--#include "drm_crtc.h"
--#include "drm_crtc_helper.h"
-+#include <drm/drm_mode.h>
-+#include <drm/drm_crtc.h>
-+#include <drm/drm_crtc_helper.h>
+ #if defined(CONFIG_DRM_OMAP) || (CONFIG_DRM_OMAP_MODULE)
- #define to_omap_crtc(x) container_of(x, struct omap_crtc, base)
+@@ -56,7 +57,7 @@
+ oh->name);
+ }
+
+- platform_data.omaprev = GET_OMAP_REVISION();
++ platform_data.omaprev = GET_OMAP_TYPE;
+
+ return platform_device_register(&omap_drm_device);
+
+diff --git a/drivers/staging/omapdrm/Makefile b/drivers/staging/omapdrm/Makefile
+index 1ca0e00..d85e058 100644
+--- a/drivers/staging/omapdrm/Makefile
++++ b/drivers/staging/omapdrm/Makefile
+@@ -5,6 +5,7 @@
+
+ ccflags-y := -Iinclude/drm -Werror
+ omapdrm-y := omap_drv.o \
++ omap_irq.o \
+ omap_debugfs.o \
+ omap_crtc.o \
+ omap_plane.o \
+diff --git a/drivers/staging/omapdrm/TODO b/drivers/staging/omapdrm/TODO
+index 938c788..abeeb00 100644
+--- a/drivers/staging/omapdrm/TODO
++++ b/drivers/staging/omapdrm/TODO
+@@ -17,9 +17,6 @@ TODO
+ . Revisit GEM sync object infrastructure.. TTM has some framework for this
+ already. Possibly this could be refactored out and made more common?
+ There should be some way to do this with less wheel-reinvention.
+-. Review DSS vs KMS mismatches. The omap_dss_device is sort of part encoder,
+- part connector. Which results in a bit of duct tape to fwd calls from
+- encoder to connector. Possibly this could be done a bit better.
+ . Solve PM sequencing on resume. DMM/TILER must be reloaded before any
+ access is made from any component in the system. Which means on suspend
+ CRTC's should be disabled, and on resume the LUT should be reprogrammed
+diff --git a/drivers/staging/omapdrm/omap_connector.c b/drivers/staging/omapdrm/omap_connector.c
+index 91edb3f..4cc9ee7 100644
+--- a/drivers/staging/omapdrm/omap_connector.c
++++ b/drivers/staging/omapdrm/omap_connector.c
+@@ -31,9 +31,10 @@
+ struct omap_connector {
+ struct drm_connector base;
+ struct omap_dss_device *dssdev;
++ struct drm_encoder *encoder;
+ };
+
+-static inline void copy_timings_omap_to_drm(struct drm_display_mode *mode,
++void copy_timings_omap_to_drm(struct drm_display_mode *mode,
+ struct omap_video_timings *timings)
+ {
+ mode->clock = timings->pixel_clock;
+@@ -64,7 +65,7 @@ static inline void copy_timings_omap_to_drm(struct drm_display_mode *mode,
+ mode->flags |= DRM_MODE_FLAG_NVSYNC;
+ }
+
+-static inline void copy_timings_drm_to_omap(struct omap_video_timings *timings,
++void copy_timings_drm_to_omap(struct omap_video_timings *timings,
+ struct drm_display_mode *mode)
+ {
+ timings->pixel_clock = mode->clock;
+@@ -96,48 +97,7 @@ static inline void copy_timings_drm_to_omap(struct omap_video_timings *timings,
+ timings->sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
+ }
+
+-static void omap_connector_dpms(struct drm_connector *connector, int mode)
+-{
+- struct omap_connector *omap_connector = to_omap_connector(connector);
+- struct omap_dss_device *dssdev = omap_connector->dssdev;
+- int old_dpms;
+-
+- DBG("%s: %d", dssdev->name, mode);
+-
+- old_dpms = connector->dpms;
+-
+- /* from off to on, do from crtc to connector */
+- if (mode < old_dpms)
+- drm_helper_connector_dpms(connector, mode);
+-
+- if (mode == DRM_MODE_DPMS_ON) {
+- /* store resume info for suspended displays */
+- switch (dssdev->state) {
+- case OMAP_DSS_DISPLAY_SUSPENDED:
+- dssdev->activate_after_resume = true;
+- break;
+- case OMAP_DSS_DISPLAY_DISABLED: {
+- int ret = dssdev->driver->enable(dssdev);
+- if (ret) {
+- DBG("%s: failed to enable: %d",
+- dssdev->name, ret);
+- dssdev->driver->disable(dssdev);
+- }
+- break;
+- }
+- default:
+- break;
+- }
+- } else {
+- /* TODO */
+- }
+-
+- /* from on to off, do from connector to crtc */
+- if (mode > old_dpms)
+- drm_helper_connector_dpms(connector, mode);
+-}
+-
+-enum drm_connector_status omap_connector_detect(
++static enum drm_connector_status omap_connector_detect(
+ struct drm_connector *connector, bool force)
+ {
+ struct omap_connector *omap_connector = to_omap_connector(connector);
+@@ -164,8 +124,6 @@ static void omap_connector_destroy(struct drm_connector *connector)
+ struct omap_connector *omap_connector = to_omap_connector(connector);
+ struct omap_dss_device *dssdev = omap_connector->dssdev;
+
+- dssdev->driver->disable(dssdev);
+-
+ DBG("%s", omap_connector->dssdev->name);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+@@ -261,36 +219,12 @@ static int omap_connector_mode_valid(struct drm_connector *connector,
+ struct drm_encoder *omap_connector_attached_encoder(
+ struct drm_connector *connector)
+ {
+- int i;
+ struct omap_connector *omap_connector = to_omap_connector(connector);
+-
+- for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+- struct drm_mode_object *obj;
+-
+- if (connector->encoder_ids[i] == 0)
+- break;
+-
+- obj = drm_mode_object_find(connector->dev,
+- connector->encoder_ids[i],
+- DRM_MODE_OBJECT_ENCODER);
+-
+- if (obj) {
+- struct drm_encoder *encoder = obj_to_encoder(obj);
+- struct omap_overlay_manager *mgr =
+- omap_encoder_get_manager(encoder);
+- DBG("%s: found %s", omap_connector->dssdev->name,
+- mgr->name);
+- return encoder;
+- }
+- }
+-
+- DBG("%s: no encoder", omap_connector->dssdev->name);
+-
+- return NULL;
++ return omap_connector->encoder;
+ }
+
+ static const struct drm_connector_funcs omap_connector_funcs = {
+- .dpms = omap_connector_dpms,
++ .dpms = drm_helper_connector_dpms,
+ .detect = omap_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = omap_connector_destroy,
+@@ -302,34 +236,6 @@ static const struct drm_connector_helper_funcs omap_connector_helper_funcs = {
+ .best_encoder = omap_connector_attached_encoder,
+ };
+
+-/* called from encoder when mode is set, to propagate settings to the dssdev */
+-void omap_connector_mode_set(struct drm_connector *connector,
+- struct drm_display_mode *mode)
+-{
+- struct drm_device *dev = connector->dev;
+- struct omap_connector *omap_connector = to_omap_connector(connector);
+- struct omap_dss_device *dssdev = omap_connector->dssdev;
+- struct omap_dss_driver *dssdrv = dssdev->driver;
+- struct omap_video_timings timings = {0};
+-
+- copy_timings_drm_to_omap(&timings, mode);
+-
+- DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
+- omap_connector->dssdev->name,
+- mode->base.id, mode->name, mode->vrefresh, mode->clock,
+- mode->hdisplay, mode->hsync_start,
+- mode->hsync_end, mode->htotal,
+- mode->vdisplay, mode->vsync_start,
+- mode->vsync_end, mode->vtotal, mode->type, mode->flags);
+-
+- if (dssdrv->check_timings(dssdev, &timings)) {
+- dev_err(dev->dev, "could not set timings\n");
+- return;
+- }
+-
+- dssdrv->set_timings(dssdev, &timings);
+-}
+-
+ /* flush an area of the framebuffer (in case of manual update display that
+ * is not automatically flushed)
+ */
+@@ -344,7 +250,8 @@ void omap_connector_flush(struct drm_connector *connector,
+
+ /* initialize connector */
+ struct drm_connector *omap_connector_init(struct drm_device *dev,
+- int connector_type, struct omap_dss_device *dssdev)
++ int connector_type, struct omap_dss_device *dssdev,
++ struct drm_encoder *encoder)
+ {
+ struct drm_connector *connector = NULL;
+ struct omap_connector *omap_connector;
+@@ -360,6 +267,8 @@ struct drm_connector *omap_connector_init(struct drm_device *dev,
+ }
+
+ omap_connector->dssdev = dssdev;
++ omap_connector->encoder = encoder;
++
+ connector = &omap_connector->base;
+
+ drm_connector_init(dev, connector, &omap_connector_funcs,
+diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
+index d87bd84..5c6ed60 100644
+--- a/drivers/staging/omapdrm/omap_crtc.c
++++ b/drivers/staging/omapdrm/omap_crtc.c
+@@ -28,19 +28,131 @@
+ struct omap_crtc {
+ struct drm_crtc base;
+ struct drm_plane *plane;
++
+ const char *name;
+- int id;
++ int pipe;
++ enum omap_channel channel;
++ struct omap_overlay_manager_info info;
++
++ /*
++ * Temporary: eventually this will go away, but it is needed
++ * for now to keep the output's happy. (They only need
++ * mgr->id.) Eventually this will be replaced w/ something
++ * more common-panel-framework-y
++ */
++ struct omap_overlay_manager mgr;
++
++ struct omap_video_timings timings;
++ bool enabled;
++ bool full_update;
++
++ struct omap_drm_apply apply;
++
++ struct omap_drm_irq apply_irq;
++ struct omap_drm_irq error_irq;
++
++ /* list of in-progress apply's: */
++ struct list_head pending_applies;
++
++ /* list of queued apply's: */
++ struct list_head queued_applies;
++
++ /* for handling queued and in-progress applies: */
++ struct work_struct apply_work;
+
+ /* if there is a pending flip, these will be non-null: */
+ struct drm_pending_vblank_event *event;
+ struct drm_framebuffer *old_fb;
++
++ /* for handling page flips without caring about what
++ * the callback is called from. Possibly we should just
++ * make omap_gem always call the cb from the worker so
++ * we don't have to care about this..
++ *
++ * XXX maybe fold into apply_work??
++ */
++ struct work_struct page_flip_work;
++};
++
++/*
++ * Manager-ops, callbacks from output when they need to configure
++ * the upstream part of the video pipe.
++ *
++ * Most of these we can ignore until we add support for command-mode
++ * panels.. for video-mode the crtc-helpers already do an adequate
++ * job of sequencing the setup of the video pipe in the proper order
++ */
++
++/* we can probably ignore these until we support command-mode panels: */
++static void omap_crtc_start_update(struct omap_overlay_manager *mgr)
++{
++}
++
++static int omap_crtc_enable(struct omap_overlay_manager *mgr)
++{
++ return 0;
++}
++
++static void omap_crtc_disable(struct omap_overlay_manager *mgr)
++{
++}
++
++static void omap_crtc_set_timings(struct omap_overlay_manager *mgr,
++ const struct omap_video_timings *timings)
++{
++ struct omap_crtc *omap_crtc = container_of(mgr, struct omap_crtc, mgr);
++ DBG("%s", omap_crtc->name);
++ omap_crtc->timings = *timings;
++ omap_crtc->full_update = true;
++}
++
++static void omap_crtc_set_lcd_config(struct omap_overlay_manager *mgr,
++ const struct dss_lcd_mgr_config *config)
++{
++ struct omap_crtc *omap_crtc = container_of(mgr, struct omap_crtc, mgr);
++ DBG("%s", omap_crtc->name);
++ dispc_mgr_set_lcd_config(omap_crtc->channel, config);
++}
++
++static int omap_crtc_register_framedone_handler(
++ struct omap_overlay_manager *mgr,
++ void (*handler)(void *), void *data)
++{
++ return 0;
++}
++
++static void omap_crtc_unregister_framedone_handler(
++ struct omap_overlay_manager *mgr,
++ void (*handler)(void *), void *data)
++{
++}
++
++static const struct dss_mgr_ops mgr_ops = {
++ .start_update = omap_crtc_start_update,
++ .enable = omap_crtc_enable,
++ .disable = omap_crtc_disable,
++ .set_timings = omap_crtc_set_timings,
++ .set_lcd_config = omap_crtc_set_lcd_config,
++ .register_framedone_handler = omap_crtc_register_framedone_handler,
++ .unregister_framedone_handler = omap_crtc_unregister_framedone_handler,
+ };
+
++/*
++ * CRTC funcs:
++ */
++
+ static void omap_crtc_destroy(struct drm_crtc *crtc)
+ {
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++
++ DBG("%s", omap_crtc->name);
++
++ WARN_ON(omap_crtc->apply_irq.registered);
++ omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
++
+ omap_crtc->plane->funcs->destroy(omap_crtc->plane);
+ drm_crtc_cleanup(crtc);
++
+ kfree(omap_crtc);
+ }
+
+@@ -48,14 +160,25 @@ static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
+ {
+ struct omap_drm_private *priv = crtc->dev->dev_private;
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++ bool enabled = (mode == DRM_MODE_DPMS_ON);
+ int i;
+
+- WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
++ DBG("%s: %d", omap_crtc->name, mode);
++
++ if (enabled != omap_crtc->enabled) {
++ omap_crtc->enabled = enabled;
++ omap_crtc->full_update = true;
++ omap_crtc_apply(crtc, &omap_crtc->apply);
+
+- for (i = 0; i < priv->num_planes; i++) {
+- struct drm_plane *plane = priv->planes[i];
+- if (plane->crtc == crtc)
+- WARN_ON(omap_plane_dpms(plane, mode));
++ /* also enable our private plane: */
++ WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
++
++ /* and any attached overlay planes: */
++ for (i = 0; i < priv->num_planes; i++) {
++ struct drm_plane *plane = priv->planes[i];
++ if (plane->crtc == crtc)
++ WARN_ON(omap_plane_dpms(plane, mode));
++ }
+ }
+ }
+
+@@ -73,12 +196,26 @@ static int omap_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_framebuffer *old_fb)
+ {
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+- struct drm_plane *plane = omap_crtc->plane;
+
+- return omap_plane_mode_set(plane, crtc, crtc->fb,
++ mode = adjusted_mode;
++
++ DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
++ omap_crtc->name, mode->base.id, mode->name,
++ mode->vrefresh, mode->clock,
++ mode->hdisplay, mode->hsync_start,
++ mode->hsync_end, mode->htotal,
++ mode->vdisplay, mode->vsync_start,
++ mode->vsync_end, mode->vtotal,
++ mode->type, mode->flags);
++
++ copy_timings_drm_to_omap(&omap_crtc->timings, mode);
++ omap_crtc->full_update = true;
++
++ return omap_plane_mode_set(omap_crtc->plane, crtc, crtc->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ x << 16, y << 16,
+- mode->hdisplay << 16, mode->vdisplay << 16);
++ mode->hdisplay << 16, mode->vdisplay << 16,
++ NULL, NULL);
+ }
+
+ static void omap_crtc_prepare(struct drm_crtc *crtc)
+@@ -102,10 +239,11 @@ static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_plane *plane = omap_crtc->plane;
+ struct drm_display_mode *mode = &crtc->mode;
+
+- return plane->funcs->update_plane(plane, crtc, crtc->fb,
++ return omap_plane_mode_set(plane, crtc, crtc->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ x << 16, y << 16,
+- mode->hdisplay << 16, mode->vdisplay << 16);
++ mode->hdisplay << 16, mode->vdisplay << 16,
++ NULL, NULL);
+ }
+
+ static void omap_crtc_load_lut(struct drm_crtc *crtc)
+@@ -114,63 +252,54 @@ static void omap_crtc_load_lut(struct drm_crtc *crtc)
+
+ static void vblank_cb(void *arg)
+ {
+- static uint32_t sequence;
+ struct drm_crtc *crtc = arg;
+ struct drm_device *dev = crtc->dev;
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+- struct drm_pending_vblank_event *event = omap_crtc->event;
+ unsigned long flags;
+- struct timeval now;
+
+- WARN_ON(!event);
++ spin_lock_irqsave(&dev->event_lock, flags);
++
++ /* wakeup userspace */
++ if (omap_crtc->event)
++ drm_send_vblank_event(dev, omap_crtc->pipe, omap_crtc->event);
+
+ omap_crtc->event = NULL;
++ omap_crtc->old_fb = NULL;
+
+- /* wakeup userspace */
+- if (event) {
+- do_gettimeofday(&now);
+-
+- spin_lock_irqsave(&dev->event_lock, flags);
+- /* TODO: we can't yet use the vblank time accounting,
+- * because omapdss lower layer is the one that knows
+- * the irq # and registers the handler, which more or
+- * less defeats how drm_irq works.. for now just fake
+- * the sequence number and use gettimeofday..
+- *
+- event->event.sequence = drm_vblank_count_and_time(
+- dev, omap_crtc->id, &now);
+- */
+- event->event.sequence = sequence++;
+- event->event.tv_sec = now.tv_sec;
+- event->event.tv_usec = now.tv_usec;
+- list_add_tail(&event->base.link,
+- &event->base.file_priv->event_list);
+- wake_up_interruptible(&event->base.file_priv->event_wait);
+- spin_unlock_irqrestore(&dev->event_lock, flags);
+- }
++ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
+
+-static void page_flip_cb(void *arg)
++static void page_flip_worker(struct work_struct *work)
+ {
+- struct drm_crtc *crtc = arg;
+- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+- struct drm_framebuffer *old_fb = omap_crtc->old_fb;
++ struct omap_crtc *omap_crtc =
++ container_of(work, struct omap_crtc, page_flip_work);
++ struct drm_crtc *crtc = &omap_crtc->base;
++ struct drm_device *dev = crtc->dev;
++ struct drm_display_mode *mode = &crtc->mode;
+ struct drm_gem_object *bo;
+
+- omap_crtc->old_fb = NULL;
+-
+- omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb);
+-
+- /* really we'd like to setup the callback atomically w/ setting the
+- * new scanout buffer to avoid getting stuck waiting an extra vblank
+- * cycle.. for now go for correctness and later figure out speed..
+- */
+- omap_plane_on_endwin(omap_crtc->plane, vblank_cb, crtc);
++ mutex_lock(&dev->mode_config.mutex);
++ omap_plane_mode_set(omap_crtc->plane, crtc, crtc->fb,
++ 0, 0, mode->hdisplay, mode->vdisplay,
++ crtc->x << 16, crtc->y << 16,
++ mode->hdisplay << 16, mode->vdisplay << 16,
++ vblank_cb, crtc);
++ mutex_unlock(&dev->mode_config.mutex);
+
+ bo = omap_framebuffer_bo(crtc->fb, 0);
+ drm_gem_object_unreference_unlocked(bo);
+ }
+
++static void page_flip_cb(void *arg)
++{
++ struct drm_crtc *crtc = arg;
++ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++ struct omap_drm_private *priv = crtc->dev->dev_private;
++
++ /* avoid assumptions about what ctxt we are called from: */
++ queue_work(priv->wq, &omap_crtc->page_flip_work);
++}
++
+ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event)
+@@ -179,14 +308,14 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ struct drm_gem_object *bo;
+
+- DBG("%d -> %d", crtc->fb ? crtc->fb->base.id : -1, fb->base.id);
++ DBG("%d -> %d (event=%p)", crtc->fb ? crtc->fb->base.id : -1,
++ fb->base.id, event);
+
+- if (omap_crtc->event) {
++ if (omap_crtc->old_fb) {
+ dev_err(dev->dev, "already a pending flip\n");
+ return -EINVAL;
+ }
+
+- omap_crtc->old_fb = crtc->fb;
+ omap_crtc->event = event;
+ crtc->fb = fb;
+
+@@ -234,14 +363,244 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
+ .load_lut = omap_crtc_load_lut,
+ };
+
++const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc)
++{
++ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++ return &omap_crtc->timings;
++}
++
++enum omap_channel omap_crtc_channel(struct drm_crtc *crtc)
++{
++ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++ return omap_crtc->channel;
++}
++
++static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
++{
++ struct omap_crtc *omap_crtc =
++ container_of(irq, struct omap_crtc, error_irq);
++ struct drm_crtc *crtc = &omap_crtc->base;
++ DRM_ERROR("%s: errors: %08x\n", omap_crtc->name, irqstatus);
++ /* avoid getting in a flood, unregister the irq until next vblank */
++ omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
++}
++
++static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
++{
++ struct omap_crtc *omap_crtc =
++ container_of(irq, struct omap_crtc, apply_irq);
++ struct drm_crtc *crtc = &omap_crtc->base;
++
++ if (!omap_crtc->error_irq.registered)
++ omap_irq_register(crtc->dev, &omap_crtc->error_irq);
++
++ if (!dispc_mgr_go_busy(omap_crtc->channel)) {
++ struct omap_drm_private *priv =
++ crtc->dev->dev_private;
++ DBG("%s: apply done", omap_crtc->name);
++ omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq);
++ queue_work(priv->wq, &omap_crtc->apply_work);
++ }
++}
++
++static void apply_worker(struct work_struct *work)
++{
++ struct omap_crtc *omap_crtc =
++ container_of(work, struct omap_crtc, apply_work);
++ struct drm_crtc *crtc = &omap_crtc->base;
++ struct drm_device *dev = crtc->dev;
++ struct omap_drm_apply *apply, *n;
++ bool need_apply;
++
++ /*
++ * Synchronize everything on mode_config.mutex, to keep
++ * the callbacks and list modification all serialized
++ * with respect to modesetting ioctls from userspace.
++ */
++ mutex_lock(&dev->mode_config.mutex);
++ dispc_runtime_get();
++
++ /*
++ * If we are still pending a previous update, wait.. when the
++ * pending update completes, we get kicked again.
++ */
++ if (omap_crtc->apply_irq.registered)
++ goto out;
++
++ /* finish up previous apply's: */
++ list_for_each_entry_safe(apply, n,
++ &omap_crtc->pending_applies, pending_node) {
++ apply->post_apply(apply);
++ list_del(&apply->pending_node);
++ }
++
++ need_apply = !list_empty(&omap_crtc->queued_applies);
++
++ /* then handle the next round of of queued apply's: */
++ list_for_each_entry_safe(apply, n,
++ &omap_crtc->queued_applies, queued_node) {
++ apply->pre_apply(apply);
++ list_del(&apply->queued_node);
++ apply->queued = false;
++ list_add_tail(&apply->pending_node,
++ &omap_crtc->pending_applies);
++ }
++
++ if (need_apply) {
++ enum omap_channel channel = omap_crtc->channel;
++
++ DBG("%s: GO", omap_crtc->name);
++
++ if (dispc_mgr_is_enabled(channel)) {
++ omap_irq_register(dev, &omap_crtc->apply_irq);
++ dispc_mgr_go(channel);
++ } else {
++ struct omap_drm_private *priv = dev->dev_private;
++ queue_work(priv->wq, &omap_crtc->apply_work);
++ }
++ }
++
++out:
++ dispc_runtime_put();
++ mutex_unlock(&dev->mode_config.mutex);
++}
++
++int omap_crtc_apply(struct drm_crtc *crtc,
++ struct omap_drm_apply *apply)
++{
++ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++ struct drm_device *dev = crtc->dev;
++
++ WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
++
++ /* no need to queue it again if it is already queued: */
++ if (apply->queued)
++ return 0;
++
++ apply->queued = true;
++ list_add_tail(&apply->queued_node, &omap_crtc->queued_applies);
++
++ /*
++ * If there are no currently pending updates, then go ahead and
++ * kick the worker immediately, otherwise it will run again when
++ * the current update finishes.
++ */
++ if (list_empty(&omap_crtc->pending_applies)) {
++ struct omap_drm_private *priv = crtc->dev->dev_private;
++ queue_work(priv->wq, &omap_crtc->apply_work);
++ }
++
++ return 0;
++}
++
++/* called only from apply */
++static void set_enabled(struct drm_crtc *crtc, bool enable)
++{
++ struct drm_device *dev = crtc->dev;
++ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
++ enum omap_channel channel = omap_crtc->channel;
++ struct omap_irq_wait *wait = NULL;
++
++ if (dispc_mgr_is_enabled(channel) == enable)
++ return;
++
++ /* ignore sync-lost irqs during enable/disable */
++ omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
++
++ if (dispc_mgr_get_framedone_irq(channel)) {
++ if (!enable) {
++ wait = omap_irq_wait_init(dev,
++ dispc_mgr_get_framedone_irq(channel), 1);
++ }
++ } else {
++ /*
++ * When we disable digit output, we need to wait until fields
++ * are done. Otherwise the DSS is still working, and turning
++ * off the clocks prevents DSS from going to OFF mode. And when
++ * enabling, we need to wait for the extra sync losts
++ */
++ wait = omap_irq_wait_init(dev,
++ dispc_mgr_get_vsync_irq(channel), 2);
++ }
++
++ dispc_mgr_enable(channel, enable);
++
++ if (wait) {
++ int ret = omap_irq_wait(dev, wait, msecs_to_jiffies(100));
++ if (ret) {
++ dev_err(dev->dev, "%s: timeout waiting for %s\n",
++ omap_crtc->name, enable ? "enable" : "disable");
++ }
++ }
++
++ omap_irq_register(crtc->dev, &omap_crtc->error_irq);
++}
++
++static void omap_crtc_pre_apply(struct omap_drm_apply *apply)
++{
++ struct omap_crtc *omap_crtc =
++ container_of(apply, struct omap_crtc, apply);
++ struct drm_crtc *crtc = &omap_crtc->base;
++ struct drm_encoder *encoder = NULL;
++
++ DBG("%s: enabled=%d, full=%d", omap_crtc->name,
++ omap_crtc->enabled, omap_crtc->full_update);
++
++ if (omap_crtc->full_update) {
++ struct omap_drm_private *priv = crtc->dev->dev_private;
++ int i;
++ for (i = 0; i < priv->num_encoders; i++) {
++ if (priv->encoders[i]->crtc == crtc) {
++ encoder = priv->encoders[i];
++ break;
++ }
++ }
++ }
++
++ if (!omap_crtc->enabled) {
++ set_enabled(&omap_crtc->base, false);
++ if (encoder)
++ omap_encoder_set_enabled(encoder, false);
++ } else {
++ if (encoder) {
++ omap_encoder_set_enabled(encoder, false);
++ omap_encoder_update(encoder, &omap_crtc->mgr,
++ &omap_crtc->timings);
++ omap_encoder_set_enabled(encoder, true);
++ omap_crtc->full_update = false;
++ }
++
++ dispc_mgr_setup(omap_crtc->channel, &omap_crtc->info);
++ dispc_mgr_set_timings(omap_crtc->channel,
++ &omap_crtc->timings);
++ set_enabled(&omap_crtc->base, true);
++ }
++
++ omap_crtc->full_update = false;
++}
++
++static void omap_crtc_post_apply(struct omap_drm_apply *apply)
++{
++ /* nothing needed for post-apply */
++}
++
++static const char *channel_names[] = {
++ [OMAP_DSS_CHANNEL_LCD] = "lcd",
++ [OMAP_DSS_CHANNEL_DIGIT] = "tv",
++ [OMAP_DSS_CHANNEL_LCD2] = "lcd2",
++};
++
+ /* initialize crtc */
+ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
+- struct omap_overlay *ovl, int id)
++ struct drm_plane *plane, enum omap_channel channel, int id)
+ {
+ struct drm_crtc *crtc = NULL;
+- struct omap_crtc *omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL);
++ struct omap_crtc *omap_crtc;
++ struct omap_overlay_manager_info *info;
++
++ DBG("%s", channel_names[channel]);
+
+- DBG("%s", ovl->name);
++ omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL);
+
+ if (!omap_crtc) {
+ dev_err(dev->dev, "could not allocate CRTC\n");
+@@ -250,10 +609,40 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
+
+ crtc = &omap_crtc->base;
+
+- omap_crtc->plane = omap_plane_init(dev, ovl, (1 << id), true);
++ INIT_WORK(&omap_crtc->page_flip_work, page_flip_worker);
++ INIT_WORK(&omap_crtc->apply_work, apply_worker);
++
++ INIT_LIST_HEAD(&omap_crtc->pending_applies);
++ INIT_LIST_HEAD(&omap_crtc->queued_applies);
++
++ omap_crtc->apply.pre_apply = omap_crtc_pre_apply;
++ omap_crtc->apply.post_apply = omap_crtc_post_apply;
++
++ omap_crtc->apply_irq.irqmask = pipe2vbl(id);
++ omap_crtc->apply_irq.irq = omap_crtc_apply_irq;
++
++ omap_crtc->error_irq.irqmask =
++ dispc_mgr_get_sync_lost_irq(channel);
++ omap_crtc->error_irq.irq = omap_crtc_error_irq;
++ omap_irq_register(dev, &omap_crtc->error_irq);
++
++ omap_crtc->channel = channel;
++ omap_crtc->plane = plane;
+ omap_crtc->plane->crtc = crtc;
+- omap_crtc->name = ovl->name;
+- omap_crtc->id = id;
++ omap_crtc->name = channel_names[channel];
++ omap_crtc->pipe = id;
++
++ /* temporary: */
++ omap_crtc->mgr.id = channel;
++
++ dss_install_mgr_ops(&mgr_ops);
++
++ /* TODO: fix hard-coded setup.. add properties! */
++ info = &omap_crtc->info;
++ info->default_color = 0x00000000;
++ info->trans_key = 0x00000000;
++ info->trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
++ info->trans_enabled = false;
+
+ drm_crtc_init(dev, crtc, &omap_crtc_funcs);
+ drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
+diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
+index 84943e5..ae5ecc2 100644
+--- a/drivers/staging/omapdrm/omap_drv.c
++++ b/drivers/staging/omapdrm/omap_drv.c
+@@ -74,320 +74,99 @@ static int get_connector_type(struct omap_dss_device *dssdev)
+ }
+ }
+
+-#if 0 /* enable when dss2 supports hotplug */
+-static int omap_drm_notifier(struct notifier_block *nb,
+- unsigned long evt, void *arg)
+-{
+- switch (evt) {
+- case OMAP_DSS_SIZE_CHANGE:
+- case OMAP_DSS_HOTPLUG_CONNECT:
+- case OMAP_DSS_HOTPLUG_DISCONNECT: {
+- struct drm_device *dev = drm_device;
+- DBG("hotplug event: evt=%d, dev=%p", evt, dev);
+- if (dev)
+- drm_sysfs_hotplug_event(dev);
+-
+- return NOTIFY_OK;
+- }
+- default: /* don't care about other events for now */
+- return NOTIFY_DONE;
+- }
+-}
+-#endif
+-
+-static void dump_video_chains(void)
+-{
+- int i;
+-
+- DBG("dumping video chains: ");
+- for (i = 0; i < omap_dss_get_num_overlays(); i++) {
+- struct omap_overlay *ovl = omap_dss_get_overlay(i);
+- struct omap_overlay_manager *mgr = ovl->manager;
+- struct omap_dss_device *dssdev = mgr ?
+- mgr->get_device(mgr) : NULL;
+- if (dssdev) {
+- DBG("%d: %s -> %s -> %s", i, ovl->name, mgr->name,
+- dssdev->name);
+- } else if (mgr) {
+- DBG("%d: %s -> %s", i, ovl->name, mgr->name);
+- } else {
+- DBG("%d: %s", i, ovl->name);
+- }
+- }
+-}
+-
+-/* create encoders for each manager */
+-static int create_encoder(struct drm_device *dev,
+- struct omap_overlay_manager *mgr)
+-{
+- struct omap_drm_private *priv = dev->dev_private;
+- struct drm_encoder *encoder = omap_encoder_init(dev, mgr);
+-
+- if (!encoder) {
+- dev_err(dev->dev, "could not create encoder: %s\n",
+- mgr->name);
+- return -ENOMEM;
+- }
+-
+- BUG_ON(priv->num_encoders >= ARRAY_SIZE(priv->encoders));
+-
+- priv->encoders[priv->num_encoders++] = encoder;
+-
+- return 0;
+-}
+-
+-/* create connectors for each display device */
+-static int create_connector(struct drm_device *dev,
+- struct omap_dss_device *dssdev)
++static int omap_modeset_init(struct drm_device *dev)
+ {
+ struct omap_drm_private *priv = dev->dev_private;
+- static struct notifier_block *notifier;
+- struct drm_connector *connector;
+- int j;
+-
+- if (!dssdev->driver) {
+- dev_warn(dev->dev, "%s has no driver.. skipping it\n",
+- dssdev->name);
+- return 0;
+- }
++ struct omap_dss_device *dssdev = NULL;
++ int num_ovls = dss_feat_get_num_ovls();
++ int id;
+
+- if (!(dssdev->driver->get_timings ||
+- dssdev->driver->read_edid)) {
+- dev_warn(dev->dev, "%s driver does not support "
+- "get_timings or read_edid.. skipping it!\n",
+- dssdev->name);
+- return 0;
+- }
++ drm_mode_config_init(dev);
+
+- connector = omap_connector_init(dev,
+- get_connector_type(dssdev), dssdev);
++ omap_drm_irq_install(dev);
+
+- if (!connector) {
+- dev_err(dev->dev, "could not create connector: %s\n",
+- dssdev->name);
+- return -ENOMEM;
+- }
+-
+- BUG_ON(priv->num_connectors >= ARRAY_SIZE(priv->connectors));
++ /*
++ * Create private planes and CRTCs for the last NUM_CRTCs overlay
++ * plus manager:
++ */
++ for (id = 0; id < min(num_crtc, num_ovls); id++) {
++ struct drm_plane *plane;
++ struct drm_crtc *crtc;
+
+- priv->connectors[priv->num_connectors++] = connector;
++ plane = omap_plane_init(dev, id, true);
++ crtc = omap_crtc_init(dev, plane, pipe2chan(id), id);
+
+-#if 0 /* enable when dss2 supports hotplug */
+- notifier = kzalloc(sizeof(struct notifier_block), GFP_KERNEL);
+- notifier->notifier_call = omap_drm_notifier;
+- omap_dss_add_notify(dssdev, notifier);
+-#else
+- notifier = NULL;
+-#endif
++ BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs));
++ priv->crtcs[id] = crtc;
++ priv->num_crtcs++;
+
+- for (j = 0; j < priv->num_encoders; j++) {
+- struct omap_overlay_manager *mgr =
+- omap_encoder_get_manager(priv->encoders[j]);
+- if (mgr->get_device(mgr) == dssdev) {
+- drm_mode_connector_attach_encoder(connector,
+- priv->encoders[j]);
+- }
++ priv->planes[id] = plane;
++ priv->num_planes++;
+ }
+
+- return 0;
+-}
+-
+-/* create up to max_overlays CRTCs mapping to overlays.. by default,
+- * connect the overlays to different managers/encoders, giving priority
+- * to encoders connected to connectors with a detected connection
+- */
+-static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
+- int *j, unsigned int connected_connectors)
+-{
+- struct omap_drm_private *priv = dev->dev_private;
+- struct omap_overlay_manager *mgr = NULL;
+- struct drm_crtc *crtc;
+-
+- /* find next best connector, ones with detected connection first
++ /*
++ * Create normal planes for the remaining overlays:
+ */
+- while (*j < priv->num_connectors && !mgr) {
+- if (connected_connectors & (1 << *j)) {
+- struct drm_encoder *encoder =
+- omap_connector_attached_encoder(
+- priv->connectors[*j]);
+- if (encoder)
+- mgr = omap_encoder_get_manager(encoder);
++ for (; id < num_ovls; id++) {
++ struct drm_plane *plane = omap_plane_init(dev, id, false);
+
+- }
+- (*j)++;
++ BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
++ priv->planes[priv->num_planes++] = plane;
+ }
+
+- /* if we couldn't find another connected connector, lets start
+- * looking at the unconnected connectors:
+- *
+- * note: it might not be immediately apparent, but thanks to
+- * the !mgr check in both this loop and the one above, the only
+- * way to enter this loop is with *j == priv->num_connectors,
+- * so idx can never go negative.
+- */
+- while (*j < 2 * priv->num_connectors && !mgr) {
+- int idx = *j - priv->num_connectors;
+- if (!(connected_connectors & (1 << idx))) {
+- struct drm_encoder *encoder =
+- omap_connector_attached_encoder(
+- priv->connectors[idx]);
+- if (encoder)
+- mgr = omap_encoder_get_manager(encoder);
++ for_each_dss_dev(dssdev) {
++ struct drm_connector *connector;
++ struct drm_encoder *encoder;
+
++ if (!dssdev->driver) {
++ dev_warn(dev->dev, "%s has no driver.. skipping it\n",
++ dssdev->name);
++ return 0;
+ }
+- (*j)++;
+- }
+-
+- crtc = omap_crtc_init(dev, ovl, priv->num_crtcs);
+-
+- if (!crtc) {
+- dev_err(dev->dev, "could not create CRTC: %s\n",
+- ovl->name);
+- return -ENOMEM;
+- }
+
+- BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs));
+-
+- priv->crtcs[priv->num_crtcs++] = crtc;
+-
+- return 0;
+-}
+-
+-static int create_plane(struct drm_device *dev, struct omap_overlay *ovl,
+- unsigned int possible_crtcs)
+-{
+- struct omap_drm_private *priv = dev->dev_private;
+- struct drm_plane *plane =
+- omap_plane_init(dev, ovl, possible_crtcs, false);
+-
+- if (!plane) {
+- dev_err(dev->dev, "could not create plane: %s\n",
+- ovl->name);
+- return -ENOMEM;
+- }
+-
+- BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
+-
+- priv->planes[priv->num_planes++] = plane;
+-
+- return 0;
+-}
+-
+-static int match_dev_name(struct omap_dss_device *dssdev, void *data)
+-{
+- return !strcmp(dssdev->name, data);
+-}
+-
+-static unsigned int detect_connectors(struct drm_device *dev)
+-{
+- struct omap_drm_private *priv = dev->dev_private;
+- unsigned int connected_connectors = 0;
+- int i;
+-
+- for (i = 0; i < priv->num_connectors; i++) {
+- struct drm_connector *connector = priv->connectors[i];
+- if (omap_connector_detect(connector, true) ==
+- connector_status_connected) {
+- connected_connectors |= (1 << i);
++ if (!(dssdev->driver->get_timings ||
++ dssdev->driver->read_edid)) {
++ dev_warn(dev->dev, "%s driver does not support "
++ "get_timings or read_edid.. skipping it!\n",
++ dssdev->name);
++ return 0;
+ }
+- }
+-
+- return connected_connectors;
+-}
+
+-static int omap_modeset_init(struct drm_device *dev)
+-{
+- const struct omap_drm_platform_data *pdata = dev->dev->platform_data;
+- struct omap_kms_platform_data *kms_pdata = NULL;
+- struct omap_drm_private *priv = dev->dev_private;
+- struct omap_dss_device *dssdev = NULL;
+- int i, j;
+- unsigned int connected_connectors = 0;
++ encoder = omap_encoder_init(dev, dssdev);
+
+- drm_mode_config_init(dev);
+-
+- if (pdata && pdata->kms_pdata) {
+- kms_pdata = pdata->kms_pdata;
+-
+- /* if platform data is provided by the board file, use it to
+- * control which overlays, managers, and devices we own.
+- */
+- for (i = 0; i < kms_pdata->mgr_cnt; i++) {
+- struct omap_overlay_manager *mgr =
+- omap_dss_get_overlay_manager(
+- kms_pdata->mgr_ids[i]);
+- create_encoder(dev, mgr);
+- }
+-
+- for (i = 0; i < kms_pdata->dev_cnt; i++) {
+- struct omap_dss_device *dssdev =
+- omap_dss_find_device(
+- (void *)kms_pdata->dev_names[i],
+- match_dev_name);
+- if (!dssdev) {
+- dev_warn(dev->dev, "no such dssdev: %s\n",
+- kms_pdata->dev_names[i]);
+- continue;
+- }
+- create_connector(dev, dssdev);
++ if (!encoder) {
++ dev_err(dev->dev, "could not create encoder: %s\n",
++ dssdev->name);
++ return -ENOMEM;
+ }
+
+- connected_connectors = detect_connectors(dev);
++ connector = omap_connector_init(dev,
++ get_connector_type(dssdev), dssdev, encoder);
+
+- j = 0;
+- for (i = 0; i < kms_pdata->ovl_cnt; i++) {
+- struct omap_overlay *ovl =
+- omap_dss_get_overlay(kms_pdata->ovl_ids[i]);
+- create_crtc(dev, ovl, &j, connected_connectors);
++ if (!connector) {
++ dev_err(dev->dev, "could not create connector: %s\n",
++ dssdev->name);
++ return -ENOMEM;
+ }
+
+- for (i = 0; i < kms_pdata->pln_cnt; i++) {
+- struct omap_overlay *ovl =
+- omap_dss_get_overlay(kms_pdata->pln_ids[i]);
+- create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+- }
+- } else {
+- /* otherwise just grab up to CONFIG_DRM_OMAP_NUM_CRTCS and try
+- * to make educated guesses about everything else
+- */
+- int max_overlays = min(omap_dss_get_num_overlays(), num_crtc);
++ BUG_ON(priv->num_encoders >= ARRAY_SIZE(priv->encoders));
++ BUG_ON(priv->num_connectors >= ARRAY_SIZE(priv->connectors));
+
+- for (i = 0; i < omap_dss_get_num_overlay_managers(); i++)
+- create_encoder(dev, omap_dss_get_overlay_manager(i));
+-
+- for_each_dss_dev(dssdev) {
+- create_connector(dev, dssdev);
+- }
++ priv->encoders[priv->num_encoders++] = encoder;
++ priv->connectors[priv->num_connectors++] = connector;
+
+- connected_connectors = detect_connectors(dev);
++ drm_mode_connector_attach_encoder(connector, encoder);
+
+- j = 0;
+- for (i = 0; i < max_overlays; i++) {
+- create_crtc(dev, omap_dss_get_overlay(i),
+- &j, connected_connectors);
+- }
+-
+- /* use any remaining overlays as drm planes */
+- for (; i < omap_dss_get_num_overlays(); i++) {
+- struct omap_overlay *ovl = omap_dss_get_overlay(i);
+- create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
++ /* figure out which crtc's we can connect the encoder to: */
++ encoder->possible_crtcs = 0;
++ for (id = 0; id < priv->num_crtcs; id++) {
++ enum omap_dss_output_id supported_outputs =
++ dss_feat_get_supported_outputs(pipe2chan(id));
++ if (supported_outputs & dssdev->output->id)
++ encoder->possible_crtcs |= (1 << id);
+ }
+ }
+
+- /* for now keep the mapping of CRTCs and encoders static.. */
+- for (i = 0; i < priv->num_encoders; i++) {
+- struct drm_encoder *encoder = priv->encoders[i];
+- struct omap_overlay_manager *mgr =
+- omap_encoder_get_manager(encoder);
+-
+- encoder->possible_crtcs = (1 << priv->num_crtcs) - 1;
+-
+- DBG("%s: possible_crtcs=%08x", mgr->name,
+- encoder->possible_crtcs);
+- }
+-
+- dump_video_chains();
+-
+ dev->mode_config.min_width = 32;
+ dev->mode_config.min_height = 32;
+
+@@ -450,7 +229,7 @@ static int ioctl_gem_new(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+ {
+ struct drm_omap_gem_new *args = data;
+- DBG("%p:%p: size=0x%08x, flags=%08x", dev, file_priv,
++ VERB("%p:%p: size=0x%08x, flags=%08x", dev, file_priv,
+ args->size.bytes, args->flags);
+ return omap_gem_new_handle(dev, file_priv, args->size,
+ args->flags, &args->handle);
+@@ -510,7 +289,7 @@ static int ioctl_gem_info(struct drm_device *dev, void *data,
+ struct drm_gem_object *obj;
+ int ret = 0;
+
+- DBG("%p:%p: handle=%d", dev, file_priv, args->handle);
++ VERB("%p:%p: handle=%d", dev, file_priv, args->handle);
+
+ obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+ if (!obj)
+@@ -565,14 +344,6 @@ static int dev_load(struct drm_device *dev, unsigned long flags)
+
+ dev->dev_private = priv;
+
+- ret = omapdss_compat_init();
+- if (ret) {
+- dev_err(dev->dev, "coult not init omapdss\n");
+- dev->dev_private = NULL;
+- kfree(priv);
+- return ret;
+- }
+-
+ priv->wq = alloc_ordered_workqueue("omapdrm", 0);
+
+ INIT_LIST_HEAD(&priv->obj_list);
+@@ -584,10 +355,13 @@ static int dev_load(struct drm_device *dev, unsigned long flags)
+ dev_err(dev->dev, "omap_modeset_init failed: ret=%d\n", ret);
+ dev->dev_private = NULL;
+ kfree(priv);
+- omapdss_compat_uninit();
+ return ret;
+ }
+
++ ret = drm_vblank_init(dev, priv->num_crtcs);
++ if (ret)
++ dev_warn(dev->dev, "could not init vblank\n");
++
+ priv->fbdev = omap_fbdev_init(dev);
+ if (!priv->fbdev) {
+ dev_warn(dev->dev, "omap_fbdev_init failed\n");
+@@ -596,10 +370,6 @@ static int dev_load(struct drm_device *dev, unsigned long flags)
+
+ drm_kms_helper_poll_init(dev);
+
+- ret = drm_vblank_init(dev, priv->num_crtcs);
+- if (ret)
+- dev_warn(dev->dev, "could not init vblank\n");
+-
+ return 0;
+ }
+
+@@ -609,8 +379,9 @@ static int dev_unload(struct drm_device *dev)
+
+ DBG("unload: dev=%p", dev);
+
+- drm_vblank_cleanup(dev);
+ drm_kms_helper_poll_fini(dev);
++ drm_vblank_cleanup(dev);
++ omap_drm_irq_uninstall(dev);
+
+ omap_fbdev_free(dev);
+ omap_modeset_free(dev);
+@@ -619,8 +390,6 @@ static int dev_unload(struct drm_device *dev)
+ flush_workqueue(priv->wq);
+ destroy_workqueue(priv->wq);
+
+- omapdss_compat_uninit();
+-
+ kfree(dev->dev_private);
+ dev->dev_private = NULL;
+
+@@ -680,7 +449,9 @@ static void dev_lastclose(struct drm_device *dev)
+ }
+ }
+
++ mutex_lock(&dev->mode_config.mutex);
+ ret = drm_fb_helper_restore_fbdev_mode(priv->fbdev);
++ mutex_unlock(&dev->mode_config.mutex);
+ if (ret)
+ DBG("failed to restore crtc mode");
+ }
+@@ -695,60 +466,6 @@ static void dev_postclose(struct drm_device *dev, struct drm_file *file)
+ DBG("postclose: dev=%p, file=%p", dev, file);
+ }
+
+-/**
+- * enable_vblank - enable vblank interrupt events
+- * @dev: DRM device
+- * @crtc: which irq to enable
+- *
+- * Enable vblank interrupts for @crtc. If the device doesn't have
+- * a hardware vblank counter, this routine should be a no-op, since
+- * interrupts will have to stay on to keep the count accurate.
+- *
+- * RETURNS
+- * Zero on success, appropriate errno if the given @crtc's vblank
+- * interrupt cannot be enabled.
+- */
+-static int dev_enable_vblank(struct drm_device *dev, int crtc)
+-{
+- DBG("enable_vblank: dev=%p, crtc=%d", dev, crtc);
+- return 0;
+-}
+-
+-/**
+- * disable_vblank - disable vblank interrupt events
+- * @dev: DRM device
+- * @crtc: which irq to enable
+- *
+- * Disable vblank interrupts for @crtc. If the device doesn't have
+- * a hardware vblank counter, this routine should be a no-op, since
+- * interrupts will have to stay on to keep the count accurate.
+- */
+-static void dev_disable_vblank(struct drm_device *dev, int crtc)
+-{
+- DBG("disable_vblank: dev=%p, crtc=%d", dev, crtc);
+-}
+-
+-static irqreturn_t dev_irq_handler(DRM_IRQ_ARGS)
+-{
+- return IRQ_HANDLED;
+-}
+-
+-static void dev_irq_preinstall(struct drm_device *dev)
+-{
+- DBG("irq_preinstall: dev=%p", dev);
+-}
+-
+-static int dev_irq_postinstall(struct drm_device *dev)
+-{
+- DBG("irq_postinstall: dev=%p", dev);
+- return 0;
+-}
+-
+-static void dev_irq_uninstall(struct drm_device *dev)
+-{
+- DBG("irq_uninstall: dev=%p", dev);
+-}
+-
+ static const struct vm_operations_struct omap_gem_vm_ops = {
+ .fault = omap_gem_fault,
+ .open = drm_gem_vm_open,
+@@ -778,12 +495,12 @@ static struct drm_driver omap_drm_driver = {
+ .preclose = dev_preclose,
+ .postclose = dev_postclose,
+ .get_vblank_counter = drm_vblank_count,
+- .enable_vblank = dev_enable_vblank,
+- .disable_vblank = dev_disable_vblank,
+- .irq_preinstall = dev_irq_preinstall,
+- .irq_postinstall = dev_irq_postinstall,
+- .irq_uninstall = dev_irq_uninstall,
+- .irq_handler = dev_irq_handler,
++ .enable_vblank = omap_irq_enable_vblank,
++ .disable_vblank = omap_irq_disable_vblank,
++ .irq_preinstall = omap_irq_preinstall,
++ .irq_postinstall = omap_irq_postinstall,
++ .irq_uninstall = omap_irq_uninstall,
++ .irq_handler = omap_irq_handler,
+ #ifdef CONFIG_DEBUG_FS
+ .debugfs_init = omap_debugfs_init,
+ .debugfs_cleanup = omap_debugfs_cleanup,
+diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h
+index 1d4aea5..cd1f22b 100644
+--- a/drivers/staging/omapdrm/omap_drv.h
++++ b/drivers/staging/omapdrm/omap_drv.h
+@@ -28,6 +28,7 @@
+ #include <linux/platform_data/omap_drm.h>
+ #include "omap_drm.h"
+
++
+ #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
+ #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
+
+@@ -39,6 +40,51 @@
+ */
+ #define MAX_MAPPERS 2
+
++/* parameters which describe (unrotated) coordinates of scanout within a fb: */
++struct omap_drm_window {
++ uint32_t rotation;
++ int32_t crtc_x, crtc_y; /* signed because can be offscreen */
++ uint32_t crtc_w, crtc_h;
++ uint32_t src_x, src_y;
++ uint32_t src_w, src_h;
++};
++
++/* Once GO bit is set, we can't make further updates to shadowed registers
++ * until the GO bit is cleared. So various parts in the kms code that need
++ * to update shadowed registers queue up a pair of callbacks, pre_apply
++ * which is called before setting GO bit, and post_apply that is called
++ * after GO bit is cleared. The crtc manages the queuing, and everyone
++ * else goes thru omap_crtc_apply() using these callbacks so that the
++ * code which has to deal w/ GO bit state is centralized.
++ */
++struct omap_drm_apply {
++ struct list_head pending_node, queued_node;
++ bool queued;
++ void (*pre_apply)(struct omap_drm_apply *apply);
++ void (*post_apply)(struct omap_drm_apply *apply);
++};
++
++/* For transiently registering for different DSS irqs that various parts
++ * of the KMS code need during setup/configuration. We these are not
++ * necessarily the same as what drm_vblank_get/put() are requesting, and
++ * the hysteresis in drm_vblank_put() is not necessarily desirable for
++ * internal housekeeping related irq usage.
++ */
++struct omap_drm_irq {
++ struct list_head node;
++ uint32_t irqmask;
++ bool registered;
++ void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
++};
++
++/* For KMS code that needs to wait for a certain # of IRQs:
++ */
++struct omap_irq_wait;
++struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
++ uint32_t irqmask, int count);
++int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
++ unsigned long timeout);
++
+ struct omap_drm_private {
+ uint32_t omaprev;
+
+@@ -58,6 +104,7 @@ struct omap_drm_private {
+
+ struct workqueue_struct *wq;
+
++ /* list of GEM objects: */
+ struct list_head obj_list;
+
+ bool has_dmm;
+@@ -65,6 +112,11 @@ struct omap_drm_private {
+ /* properties: */
+ struct drm_property *rotation_prop;
+ struct drm_property *zorder_prop;
++
++ /* irq handling: */
++ struct list_head irq_list; /* list of omap_drm_irq */
++ uint32_t vblank_mask; /* irq bits set for userspace vblank */
++ struct omap_drm_irq error_handler;
+ };
+
+ /* this should probably be in drm-core to standardize amongst drivers */
+@@ -75,15 +127,6 @@ struct omap_drm_private {
+ #define DRM_REFLECT_X 4
+ #define DRM_REFLECT_Y 5
+
+-/* parameters which describe (unrotated) coordinates of scanout within a fb: */
+-struct omap_drm_window {
+- uint32_t rotation;
+- int32_t crtc_x, crtc_y; /* signed because can be offscreen */
+- uint32_t crtc_w, crtc_h;
+- uint32_t src_x, src_y;
+- uint32_t src_w, src_h;
+-};
+-
+ #ifdef CONFIG_DEBUG_FS
+ int omap_debugfs_init(struct drm_minor *minor);
+ void omap_debugfs_cleanup(struct drm_minor *minor);
+@@ -92,23 +135,36 @@ void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
+ void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
+ #endif
+
++int omap_irq_enable_vblank(struct drm_device *dev, int crtc);
++void omap_irq_disable_vblank(struct drm_device *dev, int crtc);
++irqreturn_t omap_irq_handler(DRM_IRQ_ARGS);
++void omap_irq_preinstall(struct drm_device *dev);
++int omap_irq_postinstall(struct drm_device *dev);
++void omap_irq_uninstall(struct drm_device *dev);
++void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
++void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
++int omap_drm_irq_uninstall(struct drm_device *dev);
++int omap_drm_irq_install(struct drm_device *dev);
++
+ struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
+ void omap_fbdev_free(struct drm_device *dev);
+
++const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
++enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
++int omap_crtc_apply(struct drm_crtc *crtc,
++ struct omap_drm_apply *apply);
+ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
+- struct omap_overlay *ovl, int id);
++ struct drm_plane *plane, enum omap_channel channel, int id);
+
+ struct drm_plane *omap_plane_init(struct drm_device *dev,
+- struct omap_overlay *ovl, unsigned int possible_crtcs,
+- bool priv);
++ int plane_id, bool private_plane);
+ int omap_plane_dpms(struct drm_plane *plane, int mode);
+ int omap_plane_mode_set(struct drm_plane *plane,
+ struct drm_crtc *crtc, struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+- uint32_t src_w, uint32_t src_h);
+-void omap_plane_on_endwin(struct drm_plane *plane,
++ uint32_t src_w, uint32_t src_h,
+ void (*fxn)(void *), void *arg);
+ void omap_plane_install_properties(struct drm_plane *plane,
+ struct drm_mode_object *obj);
+@@ -116,21 +172,25 @@ int omap_plane_set_property(struct drm_plane *plane,
+ struct drm_property *property, uint64_t val);
+
+ struct drm_encoder *omap_encoder_init(struct drm_device *dev,
+- struct omap_overlay_manager *mgr);
+-struct omap_overlay_manager *omap_encoder_get_manager(
++ struct omap_dss_device *dssdev);
++int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled);
++int omap_encoder_update(struct drm_encoder *encoder,
++ struct omap_overlay_manager *mgr,
++ struct omap_video_timings *timings);
++
++struct drm_connector *omap_connector_init(struct drm_device *dev,
++ int connector_type, struct omap_dss_device *dssdev,
+ struct drm_encoder *encoder);
+ struct drm_encoder *omap_connector_attached_encoder(
+ struct drm_connector *connector);
+-enum drm_connector_status omap_connector_detect(
+- struct drm_connector *connector, bool force);
+-
+-struct drm_connector *omap_connector_init(struct drm_device *dev,
+- int connector_type, struct omap_dss_device *dssdev);
+-void omap_connector_mode_set(struct drm_connector *connector,
+- struct drm_display_mode *mode);
+ void omap_connector_flush(struct drm_connector *connector,
+ int x, int y, int w, int h);
+
++void copy_timings_omap_to_drm(struct drm_display_mode *mode,
++ struct omap_video_timings *timings);
++void copy_timings_drm_to_omap(struct omap_video_timings *timings,
++ struct drm_display_mode *mode);
++
+ uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
+ uint32_t max_formats, enum omap_color_mode supported_modes);
+ struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
+@@ -207,6 +267,40 @@ static inline int align_pitch(int pitch, int width, int bpp)
+ return ALIGN(pitch, 8 * bytespp);
+ }
+
++static inline enum omap_channel pipe2chan(int pipe)
++{
++ int num_mgrs = dss_feat_get_num_mgrs();
++
++ /*
++ * We usually don't want to create a CRTC for each manager,
++ * at least not until we have a way to expose private planes
++ * to userspace. Otherwise there would not be enough video
++ * pipes left for drm planes. The higher #'d managers tend
++ * to have more features so start in reverse order.
++ */
++ return num_mgrs - pipe - 1;
++}
++
++/* map crtc to vblank mask */
++static inline uint32_t pipe2vbl(int crtc)
++{
++ enum omap_channel channel = pipe2chan(crtc);
++ return dispc_mgr_get_vsync_irq(channel);
++}
++
++static inline int crtc2pipe(struct drm_device *dev, struct drm_crtc *crtc)
++{
++ struct omap_drm_private *priv = dev->dev_private;
++ int i;
++
++ for (i = 0; i < ARRAY_SIZE(priv->crtcs); i++)
++ if (priv->crtcs[i] == crtc)
++ return i;
++
++ BUG(); /* bogus CRTC ptr */
++ return -1;
++}
++
+ /* should these be made into common util helpers?
+ */
+
+diff --git a/drivers/staging/omapdrm/omap_encoder.c b/drivers/staging/omapdrm/omap_encoder.c
+index 5341d5e..e053160 100644
+--- a/drivers/staging/omapdrm/omap_encoder.c
++++ b/drivers/staging/omapdrm/omap_encoder.c
+@@ -22,37 +22,56 @@
+ #include "drm_crtc.h"
+ #include "drm_crtc_helper.h"
+
++#include <linux/list.h>
++
++
+ /*
+ * encoder funcs
+ */
+
+ #define to_omap_encoder(x) container_of(x, struct omap_encoder, base)
+
++/* The encoder and connector both map to same dssdev.. the encoder
++ * handles the 'active' parts, ie. anything the modifies the state
++ * of the hw, and the connector handles the 'read-only' parts, like
++ * detecting connection and reading edid.
++ */
+ struct omap_encoder {
+ struct drm_encoder base;
+- struct omap_overlay_manager *mgr;
++ struct omap_dss_device *dssdev;
+ };
+
+ static void omap_encoder_destroy(struct drm_encoder *encoder)
+ {
+ struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- DBG("%s", omap_encoder->mgr->name);
+ drm_encoder_cleanup(encoder);
+ kfree(omap_encoder);
+ }
+
++static const struct drm_encoder_funcs omap_encoder_funcs = {
++ .destroy = omap_encoder_destroy,
++};
++
++/*
++ * The CRTC drm_crtc_helper_set_mode() doesn't really give us the right
++ * order.. the easiest way to work around this for now is to make all
++ * the encoder-helper's no-op's and have the omap_crtc code take care
++ * of the sequencing and call us in the right points.
++ *
++ * Eventually to handle connecting CRTCs to different encoders properly,
++ * either the CRTC helpers need to change or we need to replace
++ * drm_crtc_helper_set_mode(), but lets wait until atomic-modeset for
++ * that.
++ */
++
+ static void omap_encoder_dpms(struct drm_encoder *encoder, int mode)
+ {
+- struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- DBG("%s: %d", omap_encoder->mgr->name, mode);
+ }
+
+ static bool omap_encoder_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+ {
+- struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- DBG("%s", omap_encoder->mgr->name);
+ return true;
+ }
+
+@@ -60,47 +79,16 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+ {
+- struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- struct drm_device *dev = encoder->dev;
+- struct omap_drm_private *priv = dev->dev_private;
+- int i;
+-
+- mode = adjusted_mode;
+-
+- DBG("%s: set mode: %dx%d", omap_encoder->mgr->name,
+- mode->hdisplay, mode->vdisplay);
+-
+- for (i = 0; i < priv->num_connectors; i++) {
+- struct drm_connector *connector = priv->connectors[i];
+- if (connector->encoder == encoder)
+- omap_connector_mode_set(connector, mode);
+-
+- }
+ }
+
+ static void omap_encoder_prepare(struct drm_encoder *encoder)
+ {
+- struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- struct drm_encoder_helper_funcs *encoder_funcs =
+- encoder->helper_private;
+- DBG("%s", omap_encoder->mgr->name);
+- encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
+ }
+
+ static void omap_encoder_commit(struct drm_encoder *encoder)
+ {
+- struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- struct drm_encoder_helper_funcs *encoder_funcs =
+- encoder->helper_private;
+- DBG("%s", omap_encoder->mgr->name);
+- omap_encoder->mgr->apply(omap_encoder->mgr);
+- encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
+ }
+
+-static const struct drm_encoder_funcs omap_encoder_funcs = {
+- .destroy = omap_encoder_destroy,
+-};
+-
+ static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = {
+ .dpms = omap_encoder_dpms,
+ .mode_fixup = omap_encoder_mode_fixup,
+@@ -109,23 +97,54 @@ static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = {
+ .commit = omap_encoder_commit,
+ };
+
+-struct omap_overlay_manager *omap_encoder_get_manager(
+- struct drm_encoder *encoder)
++/*
++ * Instead of relying on the helpers for modeset, the omap_crtc code
++ * calls these functions in the proper sequence.
++ */
++
++int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled)
+ {
+ struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
+- return omap_encoder->mgr;
++ struct omap_dss_device *dssdev = omap_encoder->dssdev;
++ struct omap_dss_driver *dssdrv = dssdev->driver;
++
++ if (enabled) {
++ return dssdrv->enable(dssdev);
++ } else {
++ dssdrv->disable(dssdev);
++ return 0;
++ }
++}
++
++int omap_encoder_update(struct drm_encoder *encoder,
++ struct omap_overlay_manager *mgr,
++ struct omap_video_timings *timings)
++{
++ struct drm_device *dev = encoder->dev;
++ struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
++ struct omap_dss_device *dssdev = omap_encoder->dssdev;
++ struct omap_dss_driver *dssdrv = dssdev->driver;
++ int ret;
++
++ dssdev->output->manager = mgr;
++
++ ret = dssdrv->check_timings(dssdev, timings);
++ if (ret) {
++ dev_err(dev->dev, "could not set timings: %d\n", ret);
++ return ret;
++ }
++
++ dssdrv->set_timings(dssdev, timings);
++
++ return 0;
+ }
+
+ /* initialize encoder */
+ struct drm_encoder *omap_encoder_init(struct drm_device *dev,
+- struct omap_overlay_manager *mgr)
++ struct omap_dss_device *dssdev)
+ {
+ struct drm_encoder *encoder = NULL;
+ struct omap_encoder *omap_encoder;
+- struct omap_overlay_manager_info info;
+- int ret;
+-
+- DBG("%s", mgr->name);
+
+ omap_encoder = kzalloc(sizeof(*omap_encoder), GFP_KERNEL);
+ if (!omap_encoder) {
+@@ -133,33 +152,14 @@ struct drm_encoder *omap_encoder_init(struct drm_device *dev,
+ goto fail;
+ }
+
+- omap_encoder->mgr = mgr;
++ omap_encoder->dssdev = dssdev;
++
+ encoder = &omap_encoder->base;
+
+ drm_encoder_init(dev, encoder, &omap_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS);
+ drm_encoder_helper_add(encoder, &omap_encoder_helper_funcs);
+
+- mgr->get_manager_info(mgr, &info);
+-
+- /* TODO: fix hard-coded setup.. */
+- info.default_color = 0x00000000;
+- info.trans_key = 0x00000000;
+- info.trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
+- info.trans_enabled = false;
+-
+- ret = mgr->set_manager_info(mgr, &info);
+- if (ret) {
+- dev_err(dev->dev, "could not set manager info\n");
+- goto fail;
+- }
+-
+- ret = mgr->apply(mgr);
+- if (ret) {
+- dev_err(dev->dev, "could not apply\n");
+- goto fail;
+- }
+-
+ return encoder;
+
+ fail:
+diff --git a/drivers/staging/omapdrm/omap_irq.c b/drivers/staging/omapdrm/omap_irq.c
+new file mode 100644
+index 0000000..2629ba7
+--- /dev/null
++++ b/drivers/staging/omapdrm/omap_irq.c
+@@ -0,0 +1,322 @@
++/*
++ * drivers/staging/omapdrm/omap_irq.c
++ *
++ * Copyright (C) 2012 Texas Instruments
++ * Author: Rob Clark <rob.clark@linaro.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published by
++ * the Free Software Foundation.
++ *
++ * This program is distributed in the hope that it will be useful, but WITHOUT
++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
++ * more details.
++ *
++ * You should have received a copy of the GNU General Public License along with
++ * this program. If not, see <http://www.gnu.org/licenses/>.
++ */
++
++#include "omap_drv.h"
++
++static DEFINE_SPINLOCK(list_lock);
++
++static void omap_irq_error_handler(struct omap_drm_irq *irq,
++ uint32_t irqstatus)
++{
++ DRM_ERROR("errors: %08x\n", irqstatus);
++}
++
++/* call with list_lock and dispc runtime held */
++static void omap_irq_update(struct drm_device *dev)
++{
++ struct omap_drm_private *priv = dev->dev_private;
++ struct omap_drm_irq *irq;
++ uint32_t irqmask = priv->vblank_mask;
++
++ BUG_ON(!spin_is_locked(&list_lock));
++
++ list_for_each_entry(irq, &priv->irq_list, node)
++ irqmask |= irq->irqmask;
++
++ DBG("irqmask=%08x", irqmask);
++
++ dispc_write_irqenable(irqmask);
++ dispc_read_irqenable(); /* flush posted write */
++}
++
++void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq)
++{
++ struct omap_drm_private *priv = dev->dev_private;
++ unsigned long flags;
++
++ dispc_runtime_get();
++ spin_lock_irqsave(&list_lock, flags);
++
++ if (!WARN_ON(irq->registered)) {
++ irq->registered = true;
++ list_add(&irq->node, &priv->irq_list);
++ omap_irq_update(dev);
++ }
++
++ spin_unlock_irqrestore(&list_lock, flags);
++ dispc_runtime_put();
++}
++
++void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq)
++{
++ unsigned long flags;
++
++ dispc_runtime_get();
++ spin_lock_irqsave(&list_lock, flags);
++
++ if (!WARN_ON(!irq->registered)) {
++ irq->registered = false;
++ list_del(&irq->node);
++ omap_irq_update(dev);
++ }
++
++ spin_unlock_irqrestore(&list_lock, flags);
++ dispc_runtime_put();
++}
++
++struct omap_irq_wait {
++ struct omap_drm_irq irq;
++ int count;
++};
++
++static DECLARE_WAIT_QUEUE_HEAD(wait_event);
++
++static void wait_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
++{
++ struct omap_irq_wait *wait =
++ container_of(irq, struct omap_irq_wait, irq);
++ wait->count--;
++ wake_up_all(&wait_event);
++}
++
++struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
++ uint32_t irqmask, int count)
++{
++ struct omap_irq_wait *wait = kzalloc(sizeof(*wait), GFP_KERNEL);
++ wait->irq.irq = wait_irq;
++ wait->irq.irqmask = irqmask;
++ wait->count = count;
++ omap_irq_register(dev, &wait->irq);
++ return wait;
++}
++
++int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
++ unsigned long timeout)
++{
++ int ret = wait_event_timeout(wait_event, (wait->count <= 0), timeout);
++ omap_irq_unregister(dev, &wait->irq);
++ kfree(wait);
++ if (ret == 0)
++ return -1;
++ return 0;
++}
++
++/**
++ * enable_vblank - enable vblank interrupt events
++ * @dev: DRM device
++ * @crtc: which irq to enable
++ *
++ * Enable vblank interrupts for @crtc. If the device doesn't have
++ * a hardware vblank counter, this routine should be a no-op, since
++ * interrupts will have to stay on to keep the count accurate.
++ *
++ * RETURNS
++ * Zero on success, appropriate errno if the given @crtc's vblank
++ * interrupt cannot be enabled.
++ */
++int omap_irq_enable_vblank(struct drm_device *dev, int crtc)
++{
++ struct omap_drm_private *priv = dev->dev_private;
++ unsigned long flags;
++
++ DBG("dev=%p, crtc=%d", dev, crtc);
++
++ dispc_runtime_get();
++ spin_lock_irqsave(&list_lock, flags);
++ priv->vblank_mask |= pipe2vbl(crtc);
++ omap_irq_update(dev);
++ spin_unlock_irqrestore(&list_lock, flags);
++ dispc_runtime_put();
++
++ return 0;
++}
++
++/**
++ * disable_vblank - disable vblank interrupt events
++ * @dev: DRM device
++ * @crtc: which irq to enable
++ *
++ * Disable vblank interrupts for @crtc. If the device doesn't have
++ * a hardware vblank counter, this routine should be a no-op, since
++ * interrupts will have to stay on to keep the count accurate.
++ */
++void omap_irq_disable_vblank(struct drm_device *dev, int crtc)
++{
++ struct omap_drm_private *priv = dev->dev_private;
++ unsigned long flags;
++
++ DBG("dev=%p, crtc=%d", dev, crtc);
++
++ dispc_runtime_get();
++ spin_lock_irqsave(&list_lock, flags);
++ priv->vblank_mask &= ~pipe2vbl(crtc);
++ omap_irq_update(dev);
++ spin_unlock_irqrestore(&list_lock, flags);
++ dispc_runtime_put();
++}
++
++irqreturn_t omap_irq_handler(DRM_IRQ_ARGS)
++{
++ struct drm_device *dev = (struct drm_device *) arg;
++ struct omap_drm_private *priv = dev->dev_private;
++ struct omap_drm_irq *handler, *n;
++ unsigned long flags;
++ unsigned int id;
++ u32 irqstatus;
++
++ irqstatus = dispc_read_irqstatus();
++ dispc_clear_irqstatus(irqstatus);
++ dispc_read_irqstatus(); /* flush posted write */
++
++ VERB("irqs: %08x", irqstatus);
++
++ for (id = 0; id < priv->num_crtcs; id++)
++ if (irqstatus & pipe2vbl(id))
++ drm_handle_vblank(dev, id);
++
++ spin_lock_irqsave(&list_lock, flags);
++ list_for_each_entry_safe(handler, n, &priv->irq_list, node) {
++ if (handler->irqmask & irqstatus) {
++ spin_unlock_irqrestore(&list_lock, flags);
++ handler->irq(handler, handler->irqmask & irqstatus);
++ spin_lock_irqsave(&list_lock, flags);
++ }
++ }
++ spin_unlock_irqrestore(&list_lock, flags);
++
++ return IRQ_HANDLED;
++}
++
++void omap_irq_preinstall(struct drm_device *dev)
++{
++ DBG("dev=%p", dev);
++ dispc_runtime_get();
++ dispc_clear_irqstatus(0xffffffff);
++ dispc_runtime_put();
++}
++
++int omap_irq_postinstall(struct drm_device *dev)
++{
++ struct omap_drm_private *priv = dev->dev_private;
++ struct omap_drm_irq *error_handler = &priv->error_handler;
++
++ DBG("dev=%p", dev);
++
++ INIT_LIST_HEAD(&priv->irq_list);
++
++ error_handler->irq = omap_irq_error_handler;
++ error_handler->irqmask = DISPC_IRQ_OCP_ERR;
++
++ /* for now ignore DISPC_IRQ_SYNC_LOST_DIGIT.. really I think
++ * we just need to ignore it while enabling tv-out
++ */
++ error_handler->irqmask &= ~DISPC_IRQ_SYNC_LOST_DIGIT;
++
++ omap_irq_register(dev, error_handler);
++
++ return 0;
++}
++
++void omap_irq_uninstall(struct drm_device *dev)
++{
++ DBG("dev=%p", dev);
++ // TODO prolly need to call drm_irq_uninstall() somewhere too
++}
++
++/*
++ * We need a special version, instead of just using drm_irq_install(),
++ * because we need to register the irq via omapdss. Once omapdss and
++ * omapdrm are merged together we can assign the dispc hwmod data to
++ * ourselves and drop these and just use drm_irq_{install,uninstall}()
++ */
++
++int omap_drm_irq_install(struct drm_device *dev)
++{
++ int ret;
++
++ mutex_lock(&dev->struct_mutex);
++
++ if (dev->irq_enabled) {
++ mutex_unlock(&dev->struct_mutex);
++ return -EBUSY;
++ }
++ dev->irq_enabled = 1;
++ mutex_unlock(&dev->struct_mutex);
++
++ /* Before installing handler */
++ if (dev->driver->irq_preinstall)
++ dev->driver->irq_preinstall(dev);
++
++ ret = dispc_request_irq(dev->driver->irq_handler, dev);
++
++ if (ret < 0) {
++ mutex_lock(&dev->struct_mutex);
++ dev->irq_enabled = 0;
++ mutex_unlock(&dev->struct_mutex);
++ return ret;
++ }
++
++ /* After installing handler */
++ if (dev->driver->irq_postinstall)
++ ret = dev->driver->irq_postinstall(dev);
++
++ if (ret < 0) {
++ mutex_lock(&dev->struct_mutex);
++ dev->irq_enabled = 0;
++ mutex_unlock(&dev->struct_mutex);
++ dispc_free_irq(dev);
++ }
++
++ return ret;
++}
++
++int omap_drm_irq_uninstall(struct drm_device *dev)
++{
++ unsigned long irqflags;
++ int irq_enabled, i;
++
++ mutex_lock(&dev->struct_mutex);
++ irq_enabled = dev->irq_enabled;
++ dev->irq_enabled = 0;
++ mutex_unlock(&dev->struct_mutex);
++
++ /*
++ * Wake up any waiters so they don't hang.
++ */
++ if (dev->num_crtcs) {
++ spin_lock_irqsave(&dev->vbl_lock, irqflags);
++ for (i = 0; i < dev->num_crtcs; i++) {
++ DRM_WAKEUP(&dev->vbl_queue[i]);
++ dev->vblank_enabled[i] = 0;
++ dev->last_vblank[i] =
++ dev->driver->get_vblank_counter(dev, i);
++ }
++ spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
++ }
++
++ if (!irq_enabled)
++ return -EINVAL;
++
++ if (dev->driver->irq_uninstall)
++ dev->driver->irq_uninstall(dev);
++
++ dispc_free_irq(dev);
++
++ return 0;
++}
+diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c
+index 2a8e5ba..bb989d7 100644
+--- a/drivers/staging/omapdrm/omap_plane.c
++++ b/drivers/staging/omapdrm/omap_plane.c
+@@ -41,12 +41,14 @@ struct callback {
+
+ struct omap_plane {
+ struct drm_plane base;
+- struct omap_overlay *ovl;
++ int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
++ const char *name;
+ struct omap_overlay_info info;
++ struct omap_drm_apply apply;
+
+ /* position/orientation of scanout within the fb: */
+ struct omap_drm_window win;
+-
++ bool enabled;
+
+ /* last fb that we pinned: */
+ struct drm_framebuffer *pinned_fb;
+@@ -54,189 +56,15 @@ struct omap_plane {
+ uint32_t nformats;
+ uint32_t formats[32];
+
+- /* for synchronizing access to unpins fifo */
+- struct mutex unpin_mutex;
++ struct omap_drm_irq error_irq;
+
+- /* set of bo's pending unpin until next END_WIN irq */
++ /* set of bo's pending unpin until next post_apply() */
+ DECLARE_KFIFO_PTR(unpin_fifo, struct drm_gem_object *);
+- int num_unpins, pending_num_unpins;
+-
+- /* for deferred unpin when we need to wait for scanout complete irq */
+- struct work_struct work;
+-
+- /* callback on next endwin irq */
+- struct callback endwin;
+-};
+
+-/* map from ovl->id to the irq we are interested in for scanout-done */
+-static const uint32_t id2irq[] = {
+- [OMAP_DSS_GFX] = DISPC_IRQ_GFX_END_WIN,
+- [OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_END_WIN,
+- [OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_END_WIN,
+- [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_END_WIN,
++ // XXX maybe get rid of this and handle vblank in crtc too?
++ struct callback apply_done_cb;
+ };
+
+-static void dispc_isr(void *arg, uint32_t mask)
+-{
+- struct drm_plane *plane = arg;
+- struct omap_plane *omap_plane = to_omap_plane(plane);
+- struct omap_drm_private *priv = plane->dev->dev_private;
+-
+- omap_dispc_unregister_isr(dispc_isr, plane,
+- id2irq[omap_plane->ovl->id]);
+-
+- queue_work(priv->wq, &omap_plane->work);
+-}
+-
+-static void unpin_worker(struct work_struct *work)
+-{
+- struct omap_plane *omap_plane =
+- container_of(work, struct omap_plane, work);
+- struct callback endwin;
+-
+- mutex_lock(&omap_plane->unpin_mutex);
+- DBG("unpinning %d of %d", omap_plane->num_unpins,
+- omap_plane->num_unpins + omap_plane->pending_num_unpins);
+- while (omap_plane->num_unpins > 0) {
+- struct drm_gem_object *bo = NULL;
+- int ret = kfifo_get(&omap_plane->unpin_fifo, &bo);
+- WARN_ON(!ret);
+- omap_gem_put_paddr(bo);
+- drm_gem_object_unreference_unlocked(bo);
+- omap_plane->num_unpins--;
+- }
+- endwin = omap_plane->endwin;
+- omap_plane->endwin.fxn = NULL;
+- mutex_unlock(&omap_plane->unpin_mutex);
+-
+- if (endwin.fxn)
+- endwin.fxn(endwin.arg);
+-}
+-
+-static void install_irq(struct drm_plane *plane)
+-{
+- struct omap_plane *omap_plane = to_omap_plane(plane);
+- struct omap_overlay *ovl = omap_plane->ovl;
+- int ret;
+-
+- ret = omap_dispc_register_isr(dispc_isr, plane, id2irq[ovl->id]);
+-
+- /*
+- * omapdss has upper limit on # of registered irq handlers,
+- * which we shouldn't hit.. but if we do the limit should
+- * be raised or bad things happen:
+- */
+- WARN_ON(ret == -EBUSY);
+-}
+-
+-/* push changes down to dss2 */
+-static int commit(struct drm_plane *plane)
+-{
+- struct drm_device *dev = plane->dev;
+- struct omap_plane *omap_plane = to_omap_plane(plane);
+- struct omap_overlay *ovl = omap_plane->ovl;
+- struct omap_overlay_info *info = &omap_plane->info;
+- int ret;
+-
+- DBG("%s", ovl->name);
+- DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
+- info->out_height, info->screen_width);
+- DBG("%d,%d %08x %08x", info->pos_x, info->pos_y,
+- info->paddr, info->p_uv_addr);
+-
+- /* NOTE: do we want to do this at all here, or just wait
+- * for dpms(ON) since other CRTC's may not have their mode
+- * set yet, so fb dimensions may still change..
+- */
+- ret = ovl->set_overlay_info(ovl, info);
+- if (ret) {
+- dev_err(dev->dev, "could not set overlay info\n");
+- return ret;
+- }
+-
+- mutex_lock(&omap_plane->unpin_mutex);
+- omap_plane->num_unpins += omap_plane->pending_num_unpins;
+- omap_plane->pending_num_unpins = 0;
+- mutex_unlock(&omap_plane->unpin_mutex);
+-
+- /* our encoder doesn't necessarily get a commit() after this, in
+- * particular in the dpms() and mode_set_base() cases, so force the
+- * manager to update:
+- *
+- * could this be in the encoder somehow?
+- */
+- if (ovl->manager) {
+- ret = ovl->manager->apply(ovl->manager);
+- if (ret) {
+- dev_err(dev->dev, "could not apply settings\n");
+- return ret;
+- }
+-
+- /*
+- * NOTE: really this should be atomic w/ mgr->apply() but
+- * omapdss does not expose such an API
+- */
+- if (omap_plane->num_unpins > 0)
+- install_irq(plane);
+-
+- } else {
+- struct omap_drm_private *priv = dev->dev_private;
+- queue_work(priv->wq, &omap_plane->work);
+- }
+-
+-
+- if (ovl->is_enabled(ovl)) {
+- omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y,
+- info->out_width, info->out_height);
+- }
+-
+- return 0;
+-}
+-
+-/* when CRTC that we are attached to has potentially changed, this checks
+- * if we are attached to proper manager, and if necessary updates.
+- */
+-static void update_manager(struct drm_plane *plane)
+-{
+- struct omap_drm_private *priv = plane->dev->dev_private;
+- struct omap_plane *omap_plane = to_omap_plane(plane);
+- struct omap_overlay *ovl = omap_plane->ovl;
+- struct omap_overlay_manager *mgr = NULL;
+- int i;
+-
+- if (plane->crtc) {
+- for (i = 0; i < priv->num_encoders; i++) {
+- struct drm_encoder *encoder = priv->encoders[i];
+- if (encoder->crtc == plane->crtc) {
+- mgr = omap_encoder_get_manager(encoder);
+- break;
+- }
+- }
+- }
+-
+- if (ovl->manager != mgr) {
+- bool enabled = ovl->is_enabled(ovl);
+-
+- /* don't switch things around with enabled overlays: */
+- if (enabled)
+- omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+-
+- if (ovl->manager) {
+- DBG("disconnecting %s from %s", ovl->name,
+- ovl->manager->name);
+- ovl->unset_manager(ovl);
+- }
+-
+- if (mgr) {
+- DBG("connecting %s to %s", ovl->name, mgr->name);
+- ovl->set_manager(ovl, mgr);
+- }
+-
+- if (enabled && mgr)
+- omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+- }
+-}
+-
+ static void unpin(void *arg, struct drm_gem_object *bo)
+ {
+ struct drm_plane *plane = arg;
+@@ -244,7 +72,6 @@ static void unpin(void *arg, struct drm_gem_object *bo)
+
+ if (kfifo_put(&omap_plane->unpin_fifo,
+ (const struct drm_gem_object **)&bo)) {
+- omap_plane->pending_num_unpins++;
+ /* also hold a ref so it isn't free'd while pinned */
+ drm_gem_object_reference(bo);
+ } else {
+@@ -264,13 +91,19 @@ static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb)
+
+ DBG("%p -> %p", pinned_fb, fb);
+
+- mutex_lock(&omap_plane->unpin_mutex);
++ if (fb)
++ drm_framebuffer_reference(fb);
++
+ ret = omap_framebuffer_replace(pinned_fb, fb, plane, unpin);
+- mutex_unlock(&omap_plane->unpin_mutex);
++
++ if (pinned_fb)
++ drm_framebuffer_unreference(pinned_fb);
+
+ if (ret) {
+ dev_err(plane->dev->dev, "could not swap %p -> %p\n",
+ omap_plane->pinned_fb, fb);
++ if (fb)
++ drm_framebuffer_unreference(fb);
+ omap_plane->pinned_fb = NULL;
+ return ret;
+ }
+@@ -281,31 +114,90 @@ static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb)
+ return 0;
+ }
+
+-/* update parameters that are dependent on the framebuffer dimensions and
+- * position within the fb that this plane scans out from. This is called
+- * when framebuffer or x,y base may have changed.
+- */
+-static void update_scanout(struct drm_plane *plane)
++static void omap_plane_pre_apply(struct omap_drm_apply *apply)
+ {
+- struct omap_plane *omap_plane = to_omap_plane(plane);
+- struct omap_overlay_info *info = &omap_plane->info;
++ struct omap_plane *omap_plane =
++ container_of(apply, struct omap_plane, apply);
+ struct omap_drm_window *win = &omap_plane->win;
++ struct drm_plane *plane = &omap_plane->base;
++ struct drm_device *dev = plane->dev;
++ struct omap_overlay_info *info = &omap_plane->info;
++ struct drm_crtc *crtc = plane->crtc;
++ enum omap_channel channel;
++ bool enabled = omap_plane->enabled && crtc;
++ bool ilace, replication;
+ int ret;
+
+- ret = update_pin(plane, plane->fb);
+- if (ret) {
+- dev_err(plane->dev->dev,
+- "could not pin fb: %d\n", ret);
+- omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
++ DBG("%s, enabled=%d", omap_plane->name, enabled);
++
++ /* if fb has changed, pin new fb: */
++ update_pin(plane, enabled ? plane->fb : NULL);
++
++ if (!enabled) {
++ dispc_ovl_enable(omap_plane->id, false);
+ return;
+ }
+
++ channel = omap_crtc_channel(crtc);
++
++ /* update scanout: */
+ omap_framebuffer_update_scanout(plane->fb, win, info);
+
+- DBG("%s: %d,%d: %08x %08x (%d)", omap_plane->ovl->name,
+- win->src_x, win->src_y,
+- (u32)info->paddr, (u32)info->p_uv_addr,
++ DBG("%dx%d -> %dx%d (%d)", info->width, info->height,
++ info->out_width, info->out_height,
+ info->screen_width);
++ DBG("%d,%d %08x %08x", info->pos_x, info->pos_y,
++ info->paddr, info->p_uv_addr);
++
++ /* TODO: */
++ ilace = false;
++ replication = false;
++
++ /* and finally, update omapdss: */
++ ret = dispc_ovl_setup(omap_plane->id, info,
++ replication, omap_crtc_timings(crtc), false);
++ if (ret) {
++ dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret);
++ return;
++ }
++
++ dispc_ovl_enable(omap_plane->id, true);
++ dispc_ovl_set_channel_out(omap_plane->id, channel);
++}
++
++static void omap_plane_post_apply(struct omap_drm_apply *apply)
++{
++ struct omap_plane *omap_plane =
++ container_of(apply, struct omap_plane, apply);
++ struct drm_plane *plane = &omap_plane->base;
++ struct omap_overlay_info *info = &omap_plane->info;
++ struct drm_gem_object *bo = NULL;
++ struct callback cb;
++
++ cb = omap_plane->apply_done_cb;
++ omap_plane->apply_done_cb.fxn = NULL;
++
++ while (kfifo_get(&omap_plane->unpin_fifo, &bo)) {
++ omap_gem_put_paddr(bo);
++ drm_gem_object_unreference_unlocked(bo);
++ }
++
++ if (cb.fxn)
++ cb.fxn(cb.arg);
++
++ if (omap_plane->enabled) {
++ omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y,
++ info->out_width, info->out_height);
++ }
++}
++
++static int apply(struct drm_plane *plane)
++{
++ if (plane->crtc) {
++ struct omap_plane *omap_plane = to_omap_plane(plane);
++ return omap_crtc_apply(plane->crtc, &omap_plane->apply);
++ }
++ return 0;
+ }
+
+ int omap_plane_mode_set(struct drm_plane *plane,
+@@ -313,7 +205,8 @@ int omap_plane_mode_set(struct drm_plane *plane,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+- uint32_t src_w, uint32_t src_h)
++ uint32_t src_w, uint32_t src_h,
++ void (*fxn)(void *), void *arg)
+ {
+ struct omap_plane *omap_plane = to_omap_plane(plane);
+ struct omap_drm_window *win = &omap_plane->win;
+@@ -329,17 +222,20 @@ int omap_plane_mode_set(struct drm_plane *plane,
+ win->src_w = src_w >> 16;
+ win->src_h = src_h >> 16;
+
+- /* note: this is done after this fxn returns.. but if we need
+- * to do a commit/update_scanout, etc before this returns we
+- * need the current value.
+- */
++ if (fxn) {
++ /* omap_crtc should ensure that a new page flip
++ * isn't permitted while there is one pending:
++ */
++ BUG_ON(omap_plane->apply_done_cb.fxn);
++
++ omap_plane->apply_done_cb.fxn = fxn;
++ omap_plane->apply_done_cb.arg = arg;
++ }
++
+ plane->fb = fb;
+ plane->crtc = crtc;
+
+- update_scanout(plane);
+- update_manager(plane);
+-
+- return 0;
++ return apply(plane);
+ }
+
+ static int omap_plane_update(struct drm_plane *plane,
+@@ -349,9 +245,12 @@ static int omap_plane_update(struct drm_plane *plane,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h)
+ {
+- omap_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h,
+- src_x, src_y, src_w, src_h);
+- return omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
++ struct omap_plane *omap_plane = to_omap_plane(plane);
++ omap_plane->enabled = true;
++ return omap_plane_mode_set(plane, crtc, fb,
++ crtc_x, crtc_y, crtc_w, crtc_h,
++ src_x, src_y, src_w, src_h,
++ NULL, NULL);
+ }
+
+ static int omap_plane_disable(struct drm_plane *plane)
+@@ -364,48 +263,32 @@ static int omap_plane_disable(struct drm_plane *plane)
+ static void omap_plane_destroy(struct drm_plane *plane)
+ {
+ struct omap_plane *omap_plane = to_omap_plane(plane);
+- DBG("%s", omap_plane->ovl->name);
++
++ DBG("%s", omap_plane->name);
++
++ omap_irq_unregister(plane->dev, &omap_plane->error_irq);
++
+ omap_plane_disable(plane);
+ drm_plane_cleanup(plane);
+- WARN_ON(omap_plane->pending_num_unpins + omap_plane->num_unpins > 0);
++
++ WARN_ON(!kfifo_is_empty(&omap_plane->unpin_fifo));
+ kfifo_free(&omap_plane->unpin_fifo);
++
+ kfree(omap_plane);
+ }
+
+ int omap_plane_dpms(struct drm_plane *plane, int mode)
+ {
+ struct omap_plane *omap_plane = to_omap_plane(plane);
+- struct omap_overlay *ovl = omap_plane->ovl;
+- int r;
++ bool enabled = (mode == DRM_MODE_DPMS_ON);
++ int ret = 0;
+
+- DBG("%s: %d", omap_plane->ovl->name, mode);
+-
+- if (mode == DRM_MODE_DPMS_ON) {
+- update_scanout(plane);
+- r = commit(plane);
+- if (!r)
+- r = ovl->enable(ovl);
+- } else {
+- struct omap_drm_private *priv = plane->dev->dev_private;
+- r = ovl->disable(ovl);
+- update_pin(plane, NULL);
+- queue_work(priv->wq, &omap_plane->work);
++ if (enabled != omap_plane->enabled) {
++ omap_plane->enabled = enabled;
++ ret = apply(plane);
+ }
+
+- return r;
+-}
+-
+-void omap_plane_on_endwin(struct drm_plane *plane,
+- void (*fxn)(void *), void *arg)
+-{
+- struct omap_plane *omap_plane = to_omap_plane(plane);
+-
+- mutex_lock(&omap_plane->unpin_mutex);
+- omap_plane->endwin.fxn = fxn;
+- omap_plane->endwin.arg = arg;
+- mutex_unlock(&omap_plane->unpin_mutex);
+-
+- install_irq(plane);
++ return ret;
+ }
+
+ /* helper to install properties which are common to planes and crtcs */
+@@ -454,25 +337,13 @@ int omap_plane_set_property(struct drm_plane *plane,
+ int ret = -EINVAL;
+
+ if (property == priv->rotation_prop) {
+- struct omap_overlay *ovl = omap_plane->ovl;
+-
+- DBG("%s: rotation: %02x", ovl->name, (uint32_t)val);
++ DBG("%s: rotation: %02x", omap_plane->name, (uint32_t)val);
+ omap_plane->win.rotation = val;
+-
+- if (ovl->is_enabled(ovl))
+- ret = omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+- else
+- ret = 0;
++ ret = apply(plane);
+ } else if (property == priv->zorder_prop) {
+- struct omap_overlay *ovl = omap_plane->ovl;
+-
+- DBG("%s: zorder: %d", ovl->name, (uint32_t)val);
++ DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val);
+ omap_plane->info.zorder = val;
+-
+- if (ovl->is_enabled(ovl))
+- ret = omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+- else
+- ret = 0;
++ ret = apply(plane);
+ }
+
+ return ret;
+@@ -485,20 +356,38 @@ static const struct drm_plane_funcs omap_plane_funcs = {
+ .set_property = omap_plane_set_property,
+ };
+
++static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
++{
++ struct omap_plane *omap_plane =
++ container_of(irq, struct omap_plane, error_irq);
++ DRM_ERROR("%s: errors: %08x\n", omap_plane->name, irqstatus);
++}
++
++static const char *plane_names[] = {
++ [OMAP_DSS_GFX] = "gfx",
++ [OMAP_DSS_VIDEO1] = "vid1",
++ [OMAP_DSS_VIDEO2] = "vid2",
++ [OMAP_DSS_VIDEO3] = "vid3",
++};
++
++static const uint32_t error_irqs[] = {
++ [OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW,
++ [OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW,
++ [OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW,
++ [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW,
++};
++
+ /* initialize plane */
+ struct drm_plane *omap_plane_init(struct drm_device *dev,
+- struct omap_overlay *ovl, unsigned int possible_crtcs,
+- bool priv)
++ int id, bool private_plane)
+ {
++ struct omap_drm_private *priv = dev->dev_private;
+ struct drm_plane *plane = NULL;
+ struct omap_plane *omap_plane;
++ struct omap_overlay_info *info;
+ int ret;
+
+- DBG("%s: possible_crtcs=%08x, priv=%d", ovl->name,
+- possible_crtcs, priv);
+-
+- /* friendly reminder to update table for future hw: */
+- WARN_ON(ovl->id >= ARRAY_SIZE(id2irq));
++ DBG("%s: priv=%d", plane_names[id], private_plane);
+
+ omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
+ if (!omap_plane) {
+@@ -506,47 +395,50 @@ struct drm_plane *omap_plane_init(struct drm_device *dev,
+ goto fail;
+ }
+
+- mutex_init(&omap_plane->unpin_mutex);
+-
+ ret = kfifo_alloc(&omap_plane->unpin_fifo, 16, GFP_KERNEL);
+ if (ret) {
+ dev_err(dev->dev, "could not allocate unpin FIFO\n");
+ goto fail;
+ }
+
+- INIT_WORK(&omap_plane->work, unpin_worker);
+-
+ omap_plane->nformats = omap_framebuffer_get_formats(
+ omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
+- ovl->supported_modes);
+- omap_plane->ovl = ovl;
++ dss_feat_get_supported_color_modes(id));
++ omap_plane->id = id;
++ omap_plane->name = plane_names[id];
++
+ plane = &omap_plane->base;
+
+- drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs,
+- omap_plane->formats, omap_plane->nformats, priv);
++ omap_plane->apply.pre_apply = omap_plane_pre_apply;
++ omap_plane->apply.post_apply = omap_plane_post_apply;
++
++ omap_plane->error_irq.irqmask = error_irqs[id];
++ omap_plane->error_irq.irq = omap_plane_error_irq;
++ omap_irq_register(dev, &omap_plane->error_irq);
++
++ drm_plane_init(dev, plane, (1 << priv->num_crtcs) - 1, &omap_plane_funcs,
++ omap_plane->formats, omap_plane->nformats, private_plane);
+
+ omap_plane_install_properties(plane, &plane->base);
+
+ /* get our starting configuration, set defaults for parameters
+ * we don't currently use, etc:
+ */
+- ovl->get_overlay_info(ovl, &omap_plane->info);
+- omap_plane->info.rotation_type = OMAP_DSS_ROT_DMA;
+- omap_plane->info.rotation = OMAP_DSS_ROT_0;
+- omap_plane->info.global_alpha = 0xff;
+- omap_plane->info.mirror = 0;
++ info = &omap_plane->info;
++ info->rotation_type = OMAP_DSS_ROT_DMA;
++ info->rotation = OMAP_DSS_ROT_0;
++ info->global_alpha = 0xff;
++ info->mirror = 0;
+
+ /* Set defaults depending on whether we are a CRTC or overlay
+ * layer.
+ * TODO add ioctl to give userspace an API to change this.. this
+ * will come in a subsequent patch.
+ */
+- if (priv)
++ if (private_plane)
+ omap_plane->info.zorder = 0;
+ else
+- omap_plane->info.zorder = ovl->id;
+-
+- update_manager(plane);
++ omap_plane->info.zorder = id;
+
+ return plane;
diff --git a/arm-tegra-nvec-kconfig.patch b/arm-tegra-nvec-kconfig.patch
index a3f568cd5..64aa9f8e3 100644
--- a/arm-tegra-nvec-kconfig.patch
+++ b/arm-tegra-nvec-kconfig.patch
@@ -1,10 +1,10 @@
---- linux-2.6.42.noarch/drivers/staging/nvec/Kconfig.orig 2012-02-02 08:16:12.512727480 -0600
-+++ linux-2.6.42.noarch/drivers/staging/nvec/Kconfig 2012-02-01 18:44:56.674990109 -0600
+--- linux-3.8.0-0.rc2.git1.1.fc19.x86_64/drivers/staging/nvec/Kconfig.orig 2013-01-07 11:04:43.493510550 +0000
++++ linux-3.8.0-0.rc2.git1.1.fc19.x86_64/drivers/staging/nvec/Kconfig 2013-01-07 11:14:18.186033211 +0000
@@ -1,6 +1,6 @@
config MFD_NVEC
bool "NV Tegra Embedded Controller SMBus Interface"
- depends on I2C && GPIOLIB && ARCH_TEGRA
-+ depends on I2C && GPIOLIB && ARCH_TEGRA && MFD_CORE=y
++ depends on I2C && GPIOLIB && ARCH_TEGRA && MFD_CORE
+ select MFD_CORE
help
Say Y here to enable support for a nVidia compliant embedded
- controller.
diff --git a/config-arm-generic b/config-arm-generic
index f1806ef00..ac77026fb 100644
--- a/config-arm-generic
+++ b/config-arm-generic
@@ -293,6 +293,7 @@ CONFIG_GPIO_MCP23S08=m
CONFIG_GPIO_ADNP=m
CONFIG_PL310_ERRATA_753970=y
+CONFIG_MFD_CORE=m
CONFIG_MFD_88PM800=m
CONFIG_MFD_88PM805=m
CONFIG_MFD_SYSCON=y
diff --git a/config-arm-omap b/config-arm-omap
index 71e400246..d020c68d8 100644
--- a/config-arm-omap
+++ b/config-arm-omap
@@ -306,8 +306,8 @@ CONFIG_PWM_TIEHRPWM=m
CONFIG_PWM_TWL=m
CONFIG_PWM_TWL_LED=m
-CONFIG_IR_RX51=m
-CONFIG_BATTERY_RX51=m
+# CONFIG_IR_RX51 is not set
+# CONFIG_BATTERY_RX51 is not set
# CONFIG_TIDSPBRIDGE is not set
# CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE=0x600000
diff --git a/config-arm-tegra b/config-arm-tegra
index e4d1fe12f..1738aedb9 100644
--- a/config-arm-tegra
+++ b/config-arm-tegra
@@ -75,9 +75,9 @@ CONFIG_SND_SOC_TEGRA_TRIMSLICE=m
# CONFIG_SND_SOC_TEGRA30_AHUB is not set
# CONFIG_SND_SOC_TEGRA30_I2S is not set
-CONFIG_MFD_NVEC=y
+# AC100 (PAZ00)
+# CONFIG_MFD_NVEC is not set
CONFIG_MFD_TPS80031=y
-
CONFIG_KEYBOARD_NVEC=y
CONFIG_SERIO_NVEC_PS2=y
CONFIG_NVEC_POWER=y
diff --git a/config-armv7 b/config-armv7
index 20c3c4ac2..2ff23c17a 100644
--- a/config-armv7
+++ b/config-armv7
@@ -172,7 +172,7 @@ CONFIG_FB_ARMCLCD=m
CONFIG_I2C_VERSATILE=m
CONFIG_OC_ETM=y
CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y
-CONFIG_SENSORS_VEXPRESS=m
+# CONFIG_SENSORS_VEXPRESS is not set
# unknown and needs review
CONFIG_ARM_AMBA=y
@@ -186,14 +186,50 @@ CONFIG_I2C_MV64XXX=m
CONFIG_PINCTRL_MVEBU=y
CONFIG_MVNETA=m
+# Allwinner a1x
+# CONFIG_SUNXI_RFKILL=y
+# CONFIG_SUNXI_NAND=y
+# CONFIG_SUNXI_DBGREG=m
+# CONFIG_WEMAC_SUN4I=y
+# CONFIG_KEYBOARD_SUN4IKEYPAD=m
+# CONFIG_KEYBOARD_SUN4I_KEYBOARD=m
+# CONFIG_IR_SUN4I=m
+# CONFIG_TOUCHSCREEN_SUN4I_TS=m
+# CONFIG_SUN4I_G2D=y
+# CONFIG_I2C_SUN4I=y
+# CONFIG_DRM_MALI=m
+# CONFIG_MALI=m
+# CONFIG_FB_SUNXI=m
+# CONFIG_FB_SUNXI_UMP=y
+# CONFIG_FB_SUNXI_LCD=m
+# CONFIG_FB_SUNXI_HDMI=m
+# CONFIG_SOUND_SUN4I=y
+# CONFIG_SND_SUN4I_SOC_CODEC=y
+# CONFIG_SND_SUN4I_SOC_HDMIAUDIO=y
+# CONFIG_SND_SUN4I_SOC_SPDIF=m
+# CONFIG_SND_SUN4I_SOC_I2S_INTERFACE=m
+# CONFIG_SND_SOC_I2C_AND_SPI=y
+# CONFIG_USB_SW_SUN4I_HCD=y
+# CONFIG_USB_SW_SUN4I_HCD0=y
+# CONFIG_USB_SW_SUN4I_HCI=y
+# CONFIG_USB_SW_SUN4I_EHCI0=y
+# CONFIG_USB_SW_SUN4I_EHCI1=y
+# CONFIG_USB_SW_SUN4I_OHCI0=y
+# CONFIG_USB_SW_SUN4I_OHCI1=y
+# CONFIG_USB_SW_SUN4I_USB=y
+# CONFIG_USB_SW_SUN4I_USB_MANAGER=y
+# CONFIG_MMC_SUNXI_POWER_CONTROL=y
+# CONFIG_MMC_SUNXI=y
+# CONFIG_RTC_DRV_SUN4I=y
+
# imx
CONFIG_BACKLIGHT_PWM=m
-CONFIG_DRM_IMX=m
-CONFIG_DRM_IMX_FB_HELPER=m
-CONFIG_DRM_IMX_PARALLEL_DISPLAY=m
-CONFIG_DRM_IMX_IPUV3_CORE=m
-CONFIG_DRM_IMX_IPUV3=m
-CONFIG_VIDEO_CODA=m
+# CONFIG_DRM_IMX is not set
+# CONFIG_DRM_IMX_FB_HELPER=m
+# CONFIG_DRM_IMX_PARALLEL_DISPLAY=m
+# CONFIG_DRM_IMX_IPUV3_CORE=m
+# CONFIG_DRM_IMX_IPUV3=m
+# CONFIG_VIDEO_CODA is not set
CONFIG_INPUT_PWM_BEEPER=m
@@ -275,6 +311,7 @@ CONFIG_EDAC_LEGACY_SYSFS=y
CONFIG_MPCORE_WATCHDOG=m
# Multi function devices
+CONFIG_MFD_CORE=m
CONFIG_MFD_T7L66XB=y
CONFIG_MFD_TC6387XB=y
CONFIG_MFD_SYSCON=y
diff --git a/kernel.spec b/kernel.spec
index 5163e0739..a4507fbc0 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -717,12 +717,16 @@ Patch21000: arm-export-read_current_timer.patch
Patch21001: arm-allnoconfig-error-__LINUX_ARM_ARCH__-undeclared.patch
# OMAP
+# https://patchwork.kernel.org/patch/1721241/
+# https://patchwork.kernel.org/patch/1839401/
Patch21003: arm-omapdrm-fixinc.patch
# ARM tegra
Patch21004: arm-tegra-nvec-kconfig.patch
Patch21005: arm-tegra-usb-no-reset-linux33.patch
-Patch21006: arm-tegra-sdhci-module-fix.patch
+
+# https://patchwork.kernel.org/patch/1909111/
+Patch21010: namei-include.patch
#rhbz 754518
Patch21235: scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
@@ -1304,10 +1308,10 @@ ApplyPatch vmbugon-warnon.patch
#
ApplyPatch arm-export-read_current_timer.patch
ApplyPatch arm-allnoconfig-error-__LINUX_ARM_ARCH__-undeclared.patch
-# ApplyPatch arm-omapdrm-fixinc.patch
+ApplyPatch arm-omapdrm-fixinc.patch
# ApplyPatch arm-tegra-nvec-kconfig.patch
ApplyPatch arm-tegra-usb-no-reset-linux33.patch
-# ApplyPatch arm-tegra-sdhci-module-fix.patch
+ApplyPatch namei-include.patch
#
# bugfixes to drivers and filesystems
@@ -2295,6 +2299,10 @@ fi
# ||----w |
# || ||
%changelog
+* Mon Jan 7 2013 Peter Robinson <pbrobinson@fedoraproject.org>
+- Further ARM config updates
+- Add patch to fix building omapdrm
+
* Mon Jan 07 2013 Justin M. Forbes <jforbes@redhat.com>
- Bye sparc