diff options
| author | Guchun Chen <guchun.chen@amd.com> | 2020-02-11 05:10:44 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-02-11 21:40:12 +0100 |
| commit | a934f9d866598ec777174d449a0dd903ea3db817 (patch) | |
| tree | 4290b16ea08be6ea1f154879ad743fa8cd26c993 | |
| parent | drm/amd/display: DCN2.x Do not program DPPCLK if same value (diff) | |
| download | linux-a934f9d866598ec777174d449a0dd903ea3db817.tar.xz linux-a934f9d866598ec777174d449a0dd903ea3db817.zip | |
drm/amdgpu: correct comment to clear up the confusion
Former comment looks to be one intended behavior in code,
actually it's not. So correct it.
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index be289f0fff37..b33a4eb39193 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -4374,7 +4374,12 @@ static int gfx_v9_0_ecc_late_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; - /* limit gds clearing operation in cold boot sequence */ + /* + * Temp workaround to fix the issue that CP firmware fails to + * update read pointer when CPDMA is writing clearing operation + * to GDS in suspend/resume sequence on several cards. So just + * limit this operation in cold boot sequence. + */ if (!adev->in_suspend) { r = gfx_v9_0_do_edc_gds_workarounds(adev); if (r) |