Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: expose peak profiling mode shader/memory clocks
Expose those informations to UMD who need them as for standard
profiling mode.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Evan Quan
and committed by
Alex Deucher
5cfd9784
b1a9557a
+22
+18
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+18
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
···
1014
1014
}
1015
1015
ui32 /= 100;
1016
1016
break;
1017
+
case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1018
+
/* get peak pstate sclk in Mhz */
1019
+
if (amdgpu_dpm_read_sensor(adev,
1020
+
AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1021
+
(void *)&ui32, &ui32_size)) {
1022
+
return -EINVAL;
1023
+
}
1024
+
ui32 /= 100;
1025
+
break;
1026
+
case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1027
+
/* get peak pstate mclk in Mhz */
1028
+
if (amdgpu_dpm_read_sensor(adev,
1029
+
AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1030
+
(void *)&ui32, &ui32_size)) {
1031
+
return -EINVAL;
1032
+
}
1033
+
ui32 /= 100;
1034
+
break;
1017
1035
default:
1018
1036
DRM_DEBUG_KMS("Invalid request %d\n",
1019
1037
info->sensor_info.type);
+4
include/uapi/drm/amdgpu_drm.h
+4
include/uapi/drm/amdgpu_drm.h
···
832
832
#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK 0x8
833
833
/* Subquery id: Query GPU stable pstate memory clock */
834
834
#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK 0x9
835
+
/* Subquery id: Query GPU peak pstate shader clock */
836
+
#define AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK 0xa
837
+
/* Subquery id: Query GPU peak pstate memory clock */
838
+
#define AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK 0xb
835
839
/* Number of VRAM page faults on CPU access. */
836
840
#define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E
837
841
#define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F