[PATCH] drm/amdgpu: Add flags to distinguish vf/pf/pt mode

[Alex Deucher]

From: Asad Kamal <asad.kamal at amd.com>

Add extra flag definition for ids_flag field to distinguish
between vf/pf/pt modes

v2: Updated kms driver minor version & removed pf check as default is 0
v3: Fix up version (Alex)
v4: rebase (Alex)

Proposed userspace:
https://github.com/ROCm/amdsmi/commit/e663bed7d6b3df79f5959e73981749b1f22ec698

Signed-off-by: Asad Kamal <asad.kamal at amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c |  3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c |  9 +++++++++
 include/uapi/drm/amdgpu_drm.h           | 10 ++++++++++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 95dd2fbc26c54..0b058f4c8fff9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -123,9 +123,10 @@
  * - 3.59.0 - Cleared VRAM
  * - 3.60.0 - Add AMDGPU_TILING_GFX12_DCC_WRITE_COMPRESS_DISABLE (Vulkan requirement)
  * - 3.61.0 - Contains fix for RV/PCO compute queues
+ * - 3.62.0 - Add AMDGPU_IDS_FLAGS_MODE_PF, AMDGPU_IDS_FLAGS_MODE_VF & AMDGPU_IDS_FLAGS_MODE_PT
  */
 #define KMS_DRIVER_MAJOR	3
-#define KMS_DRIVER_MINOR	61
+#define KMS_DRIVER_MINOR	62
 #define KMS_DRIVER_PATCHLEVEL	0
 
 /*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 2c76bc5e25d92..bfdee93d0446f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -909,6 +909,15 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
 
+		if (amdgpu_passthrough(adev))
+			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_PT <<
+						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
+						AMDGPU_IDS_FLAGS_MODE_MASK;
+		else if (amdgpu_sriov_vf(adev))
+			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_VF <<
+						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
+						AMDGPU_IDS_FLAGS_MODE_MASK;
+
 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 		vm_size -= AMDGPU_VA_RESERVED_TOP;
 
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index ed4ee109cd222..9fcf81ab39a94 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -1025,6 +1025,16 @@ struct drm_amdgpu_cs_chunk_cp_gfx_shadow {
 #define AMDGPU_IDS_FLAGS_TMZ            0x4
 #define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD 0x8
 
+/*
+ *  Query h/w info: Flag identifying VF/PF/PT mode
+ *
+ */
+#define AMDGPU_IDS_FLAGS_MODE_MASK      0x300
+#define AMDGPU_IDS_FLAGS_MODE_SHIFT     0x8
+#define AMDGPU_IDS_FLAGS_MODE_PF        0x0
+#define AMDGPU_IDS_FLAGS_MODE_VF        0x1
+#define AMDGPU_IDS_FLAGS_MODE_PT        0x2
+
 /* indicate if acceleration can be working */
 #define AMDGPU_INFO_ACCEL_WORKING		0x00
 /* get the crtc_id from the mode object id? */
-- 
2.48.1