diff options
| author | Inki Dae <inki.dae@samsung.com> | 2012-02-15 11:25:19 +0900 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-02-16 09:40:47 +0000 |
| commit | d081f5660422270856b77bcbbaa312138f556c9e (patch) | |
| tree | 1e60867d6c87e9c74369b47a3db1de755f810d2d /drivers/gpu/drm/exynos/exynos_drm_encoder.c | |
| parent | 6f811502a473a32a9b892fb35d77b8f91dc7484c (diff) | |
| download | linux-d081f5660422270856b77bcbbaa312138f556c9e.tar.gz linux-d081f5660422270856b77bcbbaa312138f556c9e.tar.xz linux-d081f5660422270856b77bcbbaa312138f556c9e.zip | |
drm/exynos: added possible_clones setup function.
basically, all crtcs are possible to clone each other.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_encoder.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 86b93dde219a..ef4754f1519b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -195,6 +195,40 @@ static struct drm_encoder_funcs exynos_encoder_funcs = { .destroy = exynos_drm_encoder_destroy, }; +static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder) +{ + struct drm_encoder *clone; + struct drm_device *dev = encoder->dev; + struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder); + struct exynos_drm_display_ops *display_ops = + exynos_encoder->manager->display_ops; + unsigned int clone_mask = 0; + int cnt = 0; + + list_for_each_entry(clone, &dev->mode_config.encoder_list, head) { + switch (display_ops->type) { + case EXYNOS_DISPLAY_TYPE_LCD: + case EXYNOS_DISPLAY_TYPE_HDMI: + clone_mask |= (1 << (cnt++)); + break; + default: + continue; + } + } + + return clone_mask; +} + +void exynos_drm_encoder_setup(struct drm_device *dev) +{ + struct drm_encoder *encoder; + + DRM_DEBUG_KMS("%s\n", __FILE__); + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) + encoder->possible_clones = exynos_drm_encoder_clones(encoder); +} + struct drm_encoder * exynos_drm_encoder_create(struct drm_device *dev, struct exynos_drm_manager *manager, |