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path: root/drivers/gpu/drm/exynos/exynos_drm_drv.h
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 6b8a30f23473..b7ba21dfb696 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -74,6 +74,7 @@ struct exynos_drm_plane {
unsigned int v_ratio;
dma_addr_t dma_addr[MAX_FB_BUFFER];
unsigned int zpos;
+ struct drm_framebuffer *pending_fb;
};
/*
@@ -87,6 +88,8 @@ struct exynos_drm_plane {
* @disable_vblank: specific driver callback for disabling vblank interrupt.
* @wait_for_vblank: wait for vblank interrupt to make sure that
* hardware overlay is updated.
+ * @atomic_begin: prepare a window to receive a update
+ * @atomic_flush: mark the end of a window update
* @update_plane: apply hardware specific overlay data to registers.
* @disable_plane: disable hardware specific overlay.
* @te_handler: trigger to transfer video image at the tearing effect
@@ -107,10 +110,14 @@ struct exynos_drm_crtc_ops {
int (*enable_vblank)(struct exynos_drm_crtc *crtc);
void (*disable_vblank)(struct exynos_drm_crtc *crtc);
void (*wait_for_vblank)(struct exynos_drm_crtc *crtc);
+ void (*atomic_begin)(struct exynos_drm_crtc *crtc,
+ struct exynos_drm_plane *plane);
void (*update_plane)(struct exynos_drm_crtc *crtc,
struct exynos_drm_plane *plane);
void (*disable_plane)(struct exynos_drm_crtc *crtc,
struct exynos_drm_plane *plane);
+ void (*atomic_flush)(struct exynos_drm_crtc *crtc,
+ struct exynos_drm_plane *plane);
void (*te_handler)(struct exynos_drm_crtc *crtc);
void (*clock_enable)(struct exynos_drm_crtc *crtc, bool enable);
};
@@ -129,6 +136,8 @@ struct exynos_drm_crtc_ops {
* this pipe value.
* @enabled: if the crtc is enabled or not
* @event: vblank event that is currently queued for flip
+ * @wait_update: wait all pending planes updates to finish
+ * @pending_update: number of pending plane updates in this crtc
* @ops: pointer to callbacks for exynos drm specific functionality
* @ctx: A pointer to the crtc's implementation specific context
*/
@@ -136,9 +145,9 @@ struct exynos_drm_crtc {
struct drm_crtc base;
enum exynos_drm_output_type type;
unsigned int pipe;
- bool enabled;
- wait_queue_head_t pending_flip_queue;
struct drm_pending_vblank_event *event;
+ wait_queue_head_t wait_update;
+ atomic_t pending_update;
const struct exynos_drm_crtc_ops *ops;
void *ctx;
};
@@ -164,6 +173,9 @@ 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;
@@ -179,6 +191,11 @@ 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;
};
/*
@@ -237,6 +254,9 @@ 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;