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From 45421d0f38e5fd27e46170e544749907d5b3c6af Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Tue, 26 Sep 2017 11:49:28 +0800
Subject: [PATCH 1041/4131] drm/amd/powerplay: get raven current sclk and mclk
Change-Id: I17120a53bc3cebd8cc7eb9f3d83124905632a409
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>
---
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 9059b68..9ece560 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
@@ -930,13 +930,37 @@ 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
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