On Wed, Aug 11, 2021 at 12:52 PM Michel Dänzer <michel@xxxxxxxxxxx> wrote:
>
> From: Michel Dänzer <mdaenzer@xxxxxxxxxx>
>
> In contrast to schedule_delayed_work, this pushes back the work if it
> was already scheduled before. Specific behaviour change:
>
> Before:
>
> The scheduled work ran ~1 second after the first time ring_end_use was
> called, even if the ring was used again during that second.
>
> After:
>
> The scheduled work runs ~1 second after the last time ring_end_use is
> called.
>
> Inspired by the corresponding change in amdgpu_gfx_off_ctrl. While I
> haven't run into specific issues in this case, the new behaviour makes
> more sense to me.
>
> Signed-off-by: Michel Dänzer <mdaenzer@xxxxxxxxxx>
Makes sense to me. Applied the series.
Thanks!
Alex
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 2 +-
> 4 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
> index 8996cb4ed57a..2c0040153f6c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
> @@ -110,7 +110,7 @@ void amdgpu_jpeg_ring_begin_use(struct amdgpu_ring *ring)
> void amdgpu_jpeg_ring_end_use(struct amdgpu_ring *ring)
> {
> atomic_dec(&ring->adev->jpeg.total_submission_cnt);
> - schedule_delayed_work(&ring->adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT);
> + mod_delayed_work(system_wq, &ring->adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT);
> }
>
> int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring)
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index 0f576f294d8a..b6b1d7eeb8e5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -1283,7 +1283,7 @@ void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
> void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
> {
> if (!amdgpu_sriov_vf(ring->adev))
> - schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
> + mod_delayed_work(system_wq, &ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
> }
>
> /**
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> index 1ae7f824adc7..2253c18a6688 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> @@ -401,7 +401,7 @@ void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
> void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
> {
> if (!amdgpu_sriov_vf(ring->adev))
> - schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
> + mod_delayed_work(system_wq, &ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
> }
>
> /**
> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
> index 284bb42d6c86..d5937ab5ac80 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
> @@ -1874,7 +1874,7 @@ void vcn_v1_0_set_pg_for_begin_use(struct amdgpu_ring *ring, bool set_clocks)
>
> void vcn_v1_0_ring_end_use(struct amdgpu_ring *ring)
> {
> - schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
> + mod_delayed_work(system_wq, &ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
> mutex_unlock(&ring->adev->vcn.vcn1_jpeg1_workaround);
> }
>
> --
> 2.32.0
>
