drm/amd/powerplay: fix issue that get wrong reference clock value.

use wrong parameter to compute the reference clock.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
index 3bed991..0242e34 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
@@ -5893,7 +5893,7 @@ uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr)
        if (!fw_info)
                return 0;
 
-       reference_clock = le16_to_cpu(fw_info->usMinPixelClockPLL_Output);
+       reference_clock = le16_to_cpu(fw_info->usReferenceClock);
 
        divide = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL, XTALIN_DIVIDE);