Commit e49c5e12 authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

drm/amd/display: Add debug options for increasing phantom lines 



[Description]
- Add debug option for increasing number of phantom lines

Reviewed-by: default avatarNevenko Stupar <Nevenko.Stupar@amd.com>
Reviewed-by: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarBrian Chang <Brian.Chang@amd.com>
Signed-off-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fe4e2662

drivers/gpu/drm/amd/display/dc/dc.h

+1 −0
Original line number Diff line number Diff line
@@ -852,6 +852,7 @@ struct dc_debug_options { 
	unsigned int force_subvp_num_ways;

	unsigned int force_mall_ss_num_ways;

	bool alloc_extra_way_for_cursor;

	uint32_t subvp_extra_lines;

	bool force_usr_allow;

	/* uses value at boot and disables switch */

	bool disable_dtb_ref_clk_switch;

drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c

+3 −0
Original line number Diff line number Diff line
@@ -585,6 +585,9 @@ void dcn32_set_phantom_stream_timing(struct dc *dc, 
	num_dpp = vba->NoOfDPP[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]];

	phantom_vactive += num_dpp > 1 ? vba->meta_row_height[vba->pipe_plane[pipe_idx]] : 0;



	/* dc->debug.subvp_extra_lines 0 by default*/

	phantom_vactive += dc->debug.subvp_extra_lines;



	// For backporch of phantom pipe, use vstartup of the main pipe

	phantom_bp = get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);