diff options
Diffstat (limited to 'vc4-fix-vblank-cursor-update-issue.patch')
| -rw-r--r-- | vc4-fix-vblank-cursor-update-issue.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/vc4-fix-vblank-cursor-update-issue.patch b/vc4-fix-vblank-cursor-update-issue.patch deleted file mode 100644 index 8537d67ca..000000000 --- a/vc4-fix-vblank-cursor-update-issue.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 6d24c1c5918907ab78a5729b78c0d165deb3cc2b Mon Sep 17 00:00:00 2001 -From: Michael Zoran <mzoran@crowfest.net> -Date: Thu, 23 Feb 2017 17:54:31 -0800 -Subject: drm/vc4: Don't wait for vblank when updating the cursor - -Commonly used desktop environments such as xfce4 and gnome -on debian sid can flood the graphics drivers with cursor -updates. Because the current implementation is waiting -for a vblank between cursor updates, this will cause the -display to hang for a long time since a typical refresh -rate is only 60Hz. - -This is unnecessary and unexpected by user mode software, -so simply swap out the cursor frame buffer without waiting. - -Signed-off-by: Michael Zoran <mzoran@crowfest.net> -Reviewed-by: Eric Anholt <eric@anholt.net> -Link: http://patchwork.freedesktop.org/patch/msgid/20170224015431.24583-1-mzoran@crowfest.net - -diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c -index f7a229d..110224c 100644 ---- a/drivers/gpu/drm/vc4/vc4_plane.c -+++ b/drivers/gpu/drm/vc4/vc4_plane.c -@@ -20,6 +20,7 @@ - - #include "vc4_drv.h" - #include "vc4_regs.h" -+#include "drm_atomic.h" - #include "drm_atomic_helper.h" - #include "drm_fb_cma_helper.h" - #include "drm_plane_helper.h" -@@ -769,12 +770,6 @@ vc4_update_plane(struct drm_plane *plane, - if (!plane_state) - goto out; - -- /* If we're changing the cursor contents, do that in the -- * normal vblank-synced atomic path. -- */ -- if (fb != plane_state->fb) -- goto out; -- - /* No configuring new scaling in the fast path. */ - if (crtc_w != plane_state->crtc_w || - crtc_h != plane_state->crtc_h || -@@ -783,6 +778,11 @@ vc4_update_plane(struct drm_plane *plane, - goto out; - } - -+ if (fb != plane_state->fb) { -+ drm_atomic_set_fb_for_plane(plane->state, fb); -+ vc4_plane_async_set_fb(plane, fb); -+ } -+ - /* Set the cursor's position on the screen. This is the - * expected change from the drm_mode_cursor_universal() - * helper. --- -cgit v0.10.2 - |