summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/msm
diff options
context:
space:
mode:
authorJonathan Marek <jonathan@marek.ca>2020-04-23 17:09:14 -0400
committerRob Clark <robdclark@chromium.org>2020-05-18 09:26:33 -0700
commit0b462d7a71c07e96b8f02cbc2d134fdc6e80ef34 (patch)
tree62517af5262e2ede94498c19b6c38642897f1cc5 /drivers/gpu/drm/msm
parentd3b8877e57247c628966b155c02b4ed2e61b88f2 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/msm')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c3
-rw-r--r--drivers/gpu/drm/msm/msm_gem.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index d8f56a34c117..6277fde13df9 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -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))
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index 30584eaf8cc8..972490b14ba5 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -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;