drm/amdgpu: new ids flag for tmz (v2)

Allows UMD to know if TMZ is supported and enabled.

This commit also bumps KMS_DRIVER_MINOR because if we don't
UMD can't tell if "ids_flags & AMDGPU_IDS_FLAGS_TMZ == 0" means
"tmz is not enabled" or "tmz may be enabled but the kernel doesn't
report it".

v2: use amdgpu_is_tmz() and reworded commit message.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 5156c67..92d0368 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -88,9 +88,10 @@
  * - 3.37.0 - L2 is invalidated before SDMA IBs, needed for correctness
  * - 3.38.0 - Add AMDGPU_IB_FLAG_EMIT_MEM_SYNC
  * - 3.39.0 - DMABUF implicit sync does a full pipeline sync
+ * - 3.40.0 - Add AMDGPU_IDS_FLAGS_TMZ
  */
 #define KMS_DRIVER_MAJOR       3
-#define KMS_DRIVER_MINOR       39
+#define KMS_DRIVER_MINOR       40
 #define KMS_DRIVER_PATCHLEVEL  0
 
 int amdgpu_vram_limit = 0;

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index e99ad03..58580a4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -737,6 +737,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
                        dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
                if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
                        dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
+               if (amdgpu_is_tmz(adev))
+                       dev_info.ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
 
                vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
                vm_size -= AMDGPU_VA_RESERVED_SIZE;

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 3218576..c5ff2b2 100644 (file)
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -673,6 +673,7 @@ struct drm_amdgpu_cs_chunk_data {
  */
 #define AMDGPU_IDS_FLAGS_FUSION         0x1
 #define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
+#define AMDGPU_IDS_FLAGS_TMZ            0x4
 
 /* indicate if acceleration can be working */
 #define AMDGPU_INFO_ACCEL_WORKING              0x00