> -----Original Message----- > From: Evan Quan [mailto:evan.quan at amd.com] > Sent: Friday, September 29, 2017 9:10 PM > To: amd-gfx at lists.freedesktop.org > Cc: Deucher, Alexander; Zhang, Jerry; Quan, Evan > Subject: [PATCH 3/4] drm/amd/powerplay: get raven current sclk and mclk > > Change-Id: I17120a53bc3cebd8cc7eb9f3d83124905632a409 > Signed-off-by: Evan Quan <evan.quan at amd.com> Add a better patch description. Something like: Add sclk and mclk support to the read sensors interface With that fixed: Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > --- > drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 28 > ++++++++++++++++++++++++-- > 1 file 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 e2ad41d..a20a6fe 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->smumgr, > PPSMC_MSG_GetGfxclkFrequency); > + if (!ret) { > + rv_read_arg_from_smc(hwmgr->smumgr, &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->smumgr, > PPSMC_MSG_GetFclkFrequency); > + if (!ret) { > + rv_read_arg_from_smc(hwmgr->smumgr, &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 = { > -- > 2.7.4
