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drm/msm: add internal MSM_BO_MAP_PRIV flag 

This flag sets IOMMU_PRIV, which is required for some a6xx GMU objects.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Jordan Crouse <jcrouse@codeauorora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Jonathan Marek 2020-04-23 17:09:14 -04:00 committed by Rob Clark
parent d3b8877e57
commit 0b462d7a71
2 changed files with 4 additions and 0 deletions
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3
drivers/gpu/drm/msm/msm_gem.c
View File

@ -428,6 +428,9 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj,
if (!(msm_obj->flags & MSM_BO_GPU_READONLY))
prot |= IOMMU_WRITE;
if (msm_obj->flags & MSM_BO_MAP_PRIV)
prot |= IOMMU_PRIV;
WARN_ON(!mutex_is_locked(&msm_obj->lock));
if (WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED))

1
drivers/gpu/drm/msm/msm_gem.h
View File

@ -13,6 +13,7 @@
/* Additional internal-use only BO flags: */
#define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */
#define MSM_BO_MAP_PRIV 0x20000000 /* use IOMMU_PRIV when mapping */
struct msm_gem_address_space {
const char *name;