Commit d674c963 authored by Rob Clark's avatar Rob Clark

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: default avatarRob Clark <robdclark@chromium.org>
Reviewed-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
parent 6cd5235c
...@@ -63,6 +63,9 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) ...@@ -63,6 +63,9 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value)
case MSM_PARAM_NR_RINGS: case MSM_PARAM_NR_RINGS:
*value = gpu->nr_rings; *value = gpu->nr_rings;
return 0; return 0;
case MSM_PARAM_PP_PGTABLE:
*value = 0;
return 0;
default: default:
DBG("%s: invalid param: %u", gpu->name, param); DBG("%s: invalid param: %u", gpu->name, param);
return -EINVAL; return -EINVAL;
......
...@@ -74,6 +74,7 @@ struct drm_msm_timespec { ...@@ -74,6 +74,7 @@ struct drm_msm_timespec {
#define MSM_PARAM_TIMESTAMP 0x05 #define MSM_PARAM_TIMESTAMP 0x05
#define MSM_PARAM_GMEM_BASE 0x06 #define MSM_PARAM_GMEM_BASE 0x06
#define MSM_PARAM_NR_RINGS 0x07 #define MSM_PARAM_NR_RINGS 0x07
#define MSM_PARAM_PP_PGTABLE 0x08 /* => 1 for per-process pagetables, else 0 */
struct drm_msm_param { struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */ __u32 pipe; /* in, MSM_PIPE_x */
......
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