[PATCH] drm/amd/powerplay: get real current gfxclk frequency instead of dpm level value

[Evan Quan]

Change-Id: Ie9a684d018f9ed43e3baadc6ba2c7525da97d659
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 13 ++++---------
 drivers/gpu/drm/amd/powerplay/inc/vega10_ppsmc.h   |  1 +
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 5fc2f20..b8102c4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3799,7 +3799,7 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 			      void *value, int *size)
 {
 	struct amdgpu_device *adev = hwmgr->adev;
-	uint32_t sclk_idx, mclk_idx, activity_percent = 0;
+	uint32_t sclk_mhz, mclk_idx, activity_percent = 0;
 	struct vega10_hwmgr *data = hwmgr->backend;
 	struct vega10_dpm_table *dpm_table = &data->dpm_table;
 	int ret = 0;
@@ -3807,14 +3807,9 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 
 	switch (idx) {
 	case AMDGPU_PP_SENSOR_GFX_SCLK:
-		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex);
-		sclk_idx = smum_get_argument(hwmgr);
-		if (sclk_idx <  dpm_table->gfx_table.count) {
-			*((uint32_t *)value) = dpm_table->gfx_table.dpm_levels[sclk_idx].value;
-			*size = 4;
-		} else {
-			ret = -EINVAL;
-		}
+		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetAverageGfxclkActualFrequency);
+		sclk_mhz = smum_get_argument(hwmgr);
+		*((uint32_t *)value) = sclk_mhz * 100;
 		break;
 	case AMDGPU_PP_SENSOR_GFX_MCLK:
 		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega10_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/vega10_ppsmc.h
index c3ed737..715b5a1 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/vega10_ppsmc.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/vega10_ppsmc.h
@@ -131,6 +131,7 @@ typedef uint16_t PPSMC_Result;
 #define PPSMC_MSG_RunAcgInOpenLoop               0x5E
 #define PPSMC_MSG_InitializeAcg                  0x5F
 #define PPSMC_MSG_GetCurrPkgPwr                  0x61
+#define PPSMC_MSG_GetAverageGfxclkActualFrequency 0x63
 #define PPSMC_MSG_SetPccThrottleLevel            0x67
 #define PPSMC_MSG_UpdatePkgPwrPidAlpha           0x68
 #define PPSMC_Message_Count                      0x69
-- 
2.7.4