diff options
| author | Jonathan Marek <jonathan@marek.ca> | 2021-04-23 15:08:18 -0400 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-06-23 07:32:14 -0700 |
| commit | a5fc7aa901b6818c67cc7e5cef8201fbaab8fa1b (patch) | |
| tree | f8fd051216336dce321d52d41751c0f0b9fac51e /drivers/gpu/drm/msm/adreno/a6xx_gpu.c | |
| parent | 8eaf9b02acb5512db33d15ec039a6be285eaa5e2 (diff) | |
| download | lwn-a5fc7aa901b6818c67cc7e5cef8201fbaab8fa1b.tar.gz lwn-a5fc7aa901b6818c67cc7e5cef8201fbaab8fa1b.zip | |
drm/msm: replace MSM_BO_UNCACHED with MSM_BO_WC for internal objects
msm_gem_get_vaddr() currently always maps as writecombine, so use the right
flag instead of relying on broken behavior (things don't actually work if
they are mapped as uncached).
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Acked-by: Jordan Crouse <jordan@cosmicpenguin.net>
Link: https://lore.kernel.org/r/20210423190833.25319-3-jonathan@marek.ca
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index b4d8e1b01ee4..6212aa2a8081 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -852,7 +852,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu) if (!a6xx_gpu->shadow_bo) { a6xx_gpu->shadow = msm_gem_kernel_new_locked(gpu->dev, sizeof(u32) * gpu->nr_rings, - MSM_BO_UNCACHED | MSM_BO_MAP_PRIV, + MSM_BO_WC | MSM_BO_MAP_PRIV, gpu->aspace, &a6xx_gpu->shadow_bo, &a6xx_gpu->shadow_iova); |