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Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Regards,
Hawking
-----Original Message-----
From: Kamal, Asad <Asad.Kamal@xxxxxxx>
Sent: Tuesday, May 28, 2024 00:29
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Ma, Le <Le.Ma@xxxxxxx>; Zhang, Morris <Shiwu.Zhang@xxxxxxx>; Kamal, Asad <Asad.Kamal@xxxxxxx>; Cheung, Donald <donald.cheung@xxxxxxx>; Khatir, Sepehr <sepehr.khatir@xxxxxxx>; Oliveira, Daniel <Daniel.Oliveira@xxxxxxx>; Poag, Charis <Charis.Poag@xxxxxxx>; Liu, Shuzhou (Bill) <Shuzhou.Liu@xxxxxxx>
Subject: [PATCH] drm/amdgpu: Add flags to distinguish vf/pf/pt mode
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
Signed-off-by: Asad Kamal <asad.kamal@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
---
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 2da76fadf6ea..60d5758939ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -116,9 +116,10 @@
* - 3.55.0 - Add AMDGPU_INFO_GPUVM_FAULT query
* - 3.56.0 - Update IB start address and size alignment for decode and encode
* - 3.57.0 - Compute tunneling on GFX10+
+ * - 3.58.0 - 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 57
+#define KMS_DRIVER_MINOR 58
#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 66782be5917b..260cd0ad286d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -869,6 +869,15 @@ 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 5b6c0055cfcf..ae3f4e275f20 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -754,6 +754,16 @@ 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? */
--
2.42.0
