diff options
| author | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2015-08-15 13:26:17 -0300 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2015-08-31 00:27:38 +0900 |
| commit | a379df19356de97afdca37c4e8f5e8729215d6ea (patch) | |
| tree | a589e0417b0c0ae09d406259ca9cff1ce0e3676e /drivers/gpu/drm/exynos/exynos_drm_drv.h | |
| parent | cb11b3f18957f90f8adeb95adf694f52581416b3 (diff) | |
drm/exynos: add atomic asynchronous commit
The atomic modesetting interfaces supports async commits that should be
implemented by the drivers. If drm core requests an async commit
exynos_atomic_commit() will now schedule a work task to run the update later.
It also serializes commits that needs to run on the same crtc, putting the
following commit to wait until the current one is finished.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 81168034ce87..b06fbd43b475 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -170,6 +170,9 @@ struct drm_exynos_file_private { * @da_space_size: size of device address space. * if 0 then default value is used for it. * @pipe: the pipe number for this crtc/manager. + * @pending: the crtcs that have pending updates to finish + * @lock: protect access to @pending + * @wait: wait an atomic commit to finish */ struct exynos_drm_private { struct drm_fb_helper *fb_helper; @@ -185,6 +188,11 @@ struct exynos_drm_private { unsigned long da_space_size; unsigned int pipe; + + /* for atomic commit */ + u32 pending; + spinlock_t lock; + wait_queue_head_t wait; }; /* @@ -243,6 +251,9 @@ static inline int exynos_dpi_bind(struct drm_device *dev, } #endif +int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, + bool async); + extern struct platform_driver fimd_driver; extern struct platform_driver exynos5433_decon_driver; |