Commit b12f60ac authored by Martin Leung's avatar Martin Leung Committed by Alex Deucher
Browse files

drm/amd/display: Fix typo when retrieving dppclk from UEFI config 



[why]
In some boot configurations we need to retrieve the currently
UEFI-set dppclk, but there was a typo in the calculation

[how]
Fix typo to make dpp_clk calculate off dpp_clk divider instead of
disp_clk

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarMartin Leung <martin.leung@amd.com>
Reviewed-by: default avatarSung Lee <Sung.Lee@amd.com>
Acked-by: default avatarEryk Brol <eryk.brol@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d3cf9fa6

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c

+1 −1
Original line number Diff line number Diff line
@@ -361,7 +361,7 @@ void dcn2_read_clocks_from_hw_dentist(struct clk_mgr *clk_mgr_base) 
	REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, &dppclk_wdivider);



	disp_divider = dentist_get_divider_from_did(dispclk_wdivider);

	dpp_divider = dentist_get_divider_from_did(dispclk_wdivider);

	dpp_divider = dentist_get_divider_from_did(dppclk_wdivider);



	if (disp_divider && dpp_divider) {

		/* Calculate the current DFS clock, in kHz.*/