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authorRex Zhu <Rex.Zhu@amd.com>2018-01-08 13:59:05 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:17:53 -0500
commit5ed8d656d60fd19d14bed647793eff0913627fd7 (patch)
tree8e6e529fbc691cb0b2c1ea8526b6d0b3b42c863b /drivers/gpu/drm/amd/powerplay
parentdd70949d9054faf1fb037950b7b17a4b1a5b9669 (diff)
drm/amd/pp: Add stable Pstate clk display support in debugfs
The additional output are: PSTATE_SCLK and PSTATE_MCLK value in MHz as: 300 MHz (PSTATE_SCLK) 300 MHz (PSTATE_MCLK) Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 5e2252127fe5..d9cb424ff7e9 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -992,22 +992,27 @@ static int pp_dpm_read_sensor(void *handle, int idx,
int ret = 0;
ret = pp_check(pp_handle);
-
if (ret)
return ret;
+ if (value == NULL)
+ return -EINVAL;
+
hwmgr = pp_handle->hwmgr;
- if (hwmgr->hwmgr_func->read_sensor == NULL) {
- pr_info("%s was not implemented.\n", __func__);
+ switch (idx) {
+ case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
+ *((uint32_t *)value) = hwmgr->pstate_sclk;
return 0;
+ case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
+ *((uint32_t *)value) = hwmgr->pstate_mclk;
+ return 0;
+ default:
+ mutex_lock(&pp_handle->pp_lock);
+ ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);
+ mutex_unlock(&pp_handle->pp_lock);
+ return ret;
}
-
- mutex_lock(&pp_handle->pp_lock);
- ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);
- mutex_unlock(&pp_handle->pp_lock);
-
- return ret;
}
static struct amd_vce_state*