diff options
| author |   Evan Quan <evan.quan@amd.com> | 2017-09-26 11:49:28 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2017-10-06 17:43:42 -0400 |
| commit | 88ed3377d0a6175233414dcd21b751a40f86fa29 (patch) | |
| tree | 1d1032588400ce0d85508a4120a01a6749d586e1 /drivers/gpu/drm/amd | |
| parent | drm/amd/powerplay: get raven max/min gfx clocks (v2) (diff) | |
| download | linux-dev-88ed3377d0a6175233414dcd21b751a40f86fa29.tar.xz linux-dev-88ed3377d0a6175233414dcd21b751a40f86fa29.zip | |
drm/amd/powerplay: get raven current sclk and mclk (v2)
v2: squash in rebase fix (Tom)
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c index 1ba69d65ed8b..a0c36f2a0cd3 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c @@ -850,13 +850,37 @@ static int rv_thermal_get_temperature(struct pp_hwmgr *hwmgr) static int rv_read_sensor(struct pp_hwmgr *hwmgr, int idx, void *value, int *size) { + uint32_t sclk, mclk; + int ret = 0; + switch (idx) { + case AMDGPU_PP_SENSOR_GFX_SCLK: + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency); + if (!ret) { + rv_read_arg_from_smc(hwmgr, &sclk); + /* in units of 10KHZ */ + *((uint32_t *)value) = sclk * 100; + *size = 4; + } + break; + case AMDGPU_PP_SENSOR_GFX_MCLK: + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency); + if (!ret) { + rv_read_arg_from_smc(hwmgr, &mclk); + /* in units of 10KHZ */ + *((uint32_t *)value) = mclk * 100; + *size = 4; + } + break; case AMDGPU_PP_SENSOR_GPU_TEMP: *((uint32_t *)value) = rv_thermal_get_temperature(hwmgr); - return 0; + break; default: - return -EINVAL; + ret = -EINVAL; + break; } + + return ret; } static const struct pp_hwmgr_func rv_hwmgr_funcs = { |