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authorRob Clark <robdclark@chromium.org>2019-04-15 16:55:45 -0700
committerRob Clark <robdclark@chromium.org>2019-04-19 11:49:42 -0700
commitd674c963af7470b6394b4b7f98cf2716b3a757d7 (patch)
tree5c0a4c4b01f594a92c08db80efa1bf7c63cbb4ef /include/uapi/drm
parentdrm/msm: a5xx: fix possible object reference leak (diff)
downloadlinux-dev-d674c963af7470b6394b4b7f98cf2716b3a757d7.tar.xz
linux-dev-d674c963af7470b6394b4b7f98cf2716b3a757d7.zip
drm/msm/gpu: add per-process pagetables param
For now it always returns '0' (false), but once the iommu work is in place to enable per-process pagetables we can update the value returned. Userspace needs to know this to make an informed decision about exposing KHR_robustness. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Diffstat (limited to 'include/uapi/drm')
-rw-r--r--include/uapi/drm/msm_drm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index 91a16b333c69..a9fdcf1689ce 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -74,6 +74,7 @@ struct drm_msm_timespec {
#define MSM_PARAM_TIMESTAMP 0x05
#define MSM_PARAM_GMEM_BASE 0x06
#define MSM_PARAM_NR_RINGS 0x07
+#define MSM_PARAM_PP_PGTABLE 0x08 /* => 1 for per-process pagetables, else 0 */
struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */