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drm/msm: replace MSM_BO_UNCACHED with MSM_BO_WC for internal objects

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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>
This commit is contained in:
Jonathan Marek
2021-04-23 15:08:18 -04:00
committed by Rob Clark
parent 8eaf9b02ac
commit a5fc7aa901
7 changed files with 9 additions and 9 deletions
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2
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
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@@ -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);