On Mon, Oct 19, 2020 at 02:10:50PM -0700, Rob Clark wrote:
From: Rob Clark robdclark@chromium.org
In particular, converting the async atomic commit (for cursor updates, etc) to SCHED_FIFO kthread_worker helps with some cases where we wouldn't manage to flush the updates within the 1ms-before-vblank deadline resulting in fps drops when there is cursor movement.
Rob Clark (3): drm/msm/gpu: Convert retire/recover work to kthread_worker drm/msm/kms: Update msm_kms_init/destroy drm/msm/atomic: Convert to per-CRTC kthread_work
So i915 has it's own commit worker already for $reasons, but I don't think that's a good path to go down with more drivers. And the problem seems entirely generic in nature ... -Daniel
drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 3 +-- drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 6 ++--- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 4 +-- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +-- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 8 +++++- drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 8 +++++- drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 11 ++++++--- drivers/gpu/drm/msm/disp/mdp_kms.h | 9 +++++-- drivers/gpu/drm/msm/msm_atomic.c | 25 +++++++++++++++---- drivers/gpu/drm/msm/msm_drv.h | 3 ++- drivers/gpu/drm/msm/msm_gpu.c | 30 +++++++++++++++-------- drivers/gpu/drm/msm/msm_gpu.h | 13 +++++++--- drivers/gpu/drm/msm/msm_kms.h | 23 ++++++++++++++--- 13 files changed, 104 insertions(+), 43 deletions(-)
-- 2.26.2
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