Commit 3159d41d authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher

drm/amd/display: check if REFCLK_CNTL register is present

Check before programming the register since it isn't present on
all IPs using this code.
Signed-off-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: default avatarEric Bernstein <Eric.Bernstein@amd.com>
Acked-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9017a489
......@@ -2294,6 +2294,7 @@ 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);
if (REG(REFCLK_CNTL))
REG_WRITE(REFCLK_CNTL, 0);
//
......
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