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drm/msm: Enable expanded apriv support for a650

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a650 supports expanded apriv support that allows us to map critical buffers
(ringbuffer and memstore) as as privileged to protect them from corruption.

Cc: stable@vger.kernel.org
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Jordan Crouse
2020-09-03 20:03:11 -06:00
committed by Rob Clark
parent 34221545d2
commit 604234f336
4 changed files with 19 additions and 4 deletions
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2
drivers/gpu/drm/msm/msm_gpu.c
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@@ -908,7 +908,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
memptrs = msm_gem_kernel_new(drm,
sizeof(struct msm_rbmemptrs) * nr_rings,
MSM_BO_UNCACHED, gpu->aspace, &gpu->memptrs_bo,
check_apriv(gpu, MSM_BO_UNCACHED), gpu->aspace, &gpu->memptrs_bo,
&memptrs_iova);
if (IS_ERR(memptrs)) {