xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon: rework page flip handling v4

Browse Source 
Instead of trying to flip inside the vblank period when
the buffer is idle, offload blocking for idle to a kernel
thread and program the flip directly into the hardware.

v2: add error handling, fix EBUSY handling
v3: add proper exclusive_lock handling
v4: update crtc->primary->fb when the flip actually happens

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Christian König
2014-06-03 18:13:21 -04:00
committed by Dave Airlie
parent b15eb4ea15
commit fa7f517cb2
3 changed files with 148 additions and 113 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/radeon/radeon.h
View File

@@ -676,14 +676,16 @@ void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
* IRQS.
*/
struct radeon_unpin_work {
struct work_struct work;
struct radeon_device *rdev;
int crtc_id;
struct radeon_fence *fence;
struct radeon_flip_work {
struct work_struct flip_work;
struct work_struct unpin_work;
struct radeon_device *rdev;
int crtc_id;
struct drm_framebuffer *fb;
struct drm_pending_vblank_event *event;
struct radeon_bo *old_rbo;
u64 new_crtc_base;
struct radeon_bo *old_rbo;
struct radeon_bo *new_rbo;
struct radeon_fence *fence;
};
struct r500_irq_stat_regs {