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drm fixes for 5.13-rc7 

amdgpu:
 - GFX9 and 10 powergating fixes
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Merge tag 'drm-fixes-2021-06-18' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Not much happening in fixes land this week only one PR for two amdgpu
  powergating fixes was waiting for me, maybe something will show up
  over the weekend, maybe not.

  amdgpu:

   - GFX9 and 10 powergating fixes"

* tag 'drm-fixes-2021-06-18' of git://anongit.freedesktop.org/drm/drm:
  drm/amdgpu/gfx10: enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full doorbell.
  drm/amdgpu/gfx9: fix the doorbell missing when in CGPG issue.
This commit is contained in:
Linus Torvalds 2021-06-18 10:36:18 -07:00
parent fd0aa1a456 c55338d34c
commit c3bf96eaa4
2 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
View File

@ -6871,8 +6871,12 @@ static int gfx_v10_0_kiq_init_register(struct amdgpu_ring *ring)
if (ring->use_doorbell) {
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
(adev->doorbell_index.kiq * 2) << 2);
/* If GC has entered CGPG, ringing doorbell > first page doesn't
* wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
* this issue.
*/
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
(adev->doorbell_index.userqueue_end * 2) << 2);
(adev->doorbell.size - 4));
}
WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,

6
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
View File

@ -3673,8 +3673,12 @@ static int gfx_v9_0_kiq_init_register(struct amdgpu_ring *ring)
if (ring->use_doorbell) {
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
(adev->doorbell_index.kiq * 2) << 2);
/* If GC has entered CGPG, ringing doorbell > first page doesn't
* wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
* this issue.
*/
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
(adev->doorbell_index.userqueue_end * 2) << 2);
(adev->doorbell.size - 4));
}
WREG32_SOC15_RLC(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,