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

[Alex Deucher]

From: Rex Zhu <rex....@amd.com>

use wrong parameter to compute the reference clock.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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
--- 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);

-- 
2.5.5