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-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 6ad4ed7da629..bd2ccf8eb9cf 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -2304,7 +2304,8 @@ void dcn20_fpga_init_hw(struct dc *dc)
REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
- REG_WRITE(REFCLK_CNTL, 0);
+ if (REG(REFCLK_CNTL))
+ REG_WRITE(REFCLK_CNTL, 0);
//