Commit da339aa4 authored Oct 21, 2022 by Leo Chen Committed by Alex Deucher Nov 01, 2022

drm/amd/display: Add a debug option HBR2CP2520 over TPS4



[Why & How] There are cases when we may need to override the hardcoded
TPS4 test pattern. Added parameters and config option to be able to
allow this.

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Leo Chen <sancchen@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 935e35d8

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

+1 −0

Original line number	Diff line number	Diff line
		@@ -393,6 +393,7 @@ struct dc_config {
		bool disable_dmcu;
		bool enable_4to1MPC;
		bool enable_windowed_mpo_odm;
		bool forceHBR2CP2520; // Used for switching between test patterns TPS4 and CP2520
		uint32_t allow_edp_hotplug_detection;
		bool clamp_min_dcfclk;
		uint64_t vblank_alignment_dto_params;

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1902,6 +1902,8 @@ static bool dcn31_resource_construct(
		dc->caps.max_slave_rgb_planes = 2;
		dc->caps.post_blend_color_processing = true;
		dc->caps.force_dp_tps4_for_cp2520 = true;
		if (dc->config.forceHBR2CP2520)
		dc->caps.force_dp_tps4_for_cp2520 = false;
		dc->caps.dp_hpo = true;
		dc->caps.dp_hdmi21_pcon_support = true;
		dc->caps.edp_dsc_support = true;

drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1770,6 +1770,8 @@ static bool dcn314_resource_construct(
		dc->caps.max_slave_rgb_planes = 2;
		dc->caps.post_blend_color_processing = true;
		dc->caps.force_dp_tps4_for_cp2520 = true;
		if (dc->config.forceHBR2CP2520)
		dc->caps.force_dp_tps4_for_cp2520 = false;
		dc->caps.dp_hpo = true;
		dc->caps.dp_hdmi21_pcon_support = true;
		dc->caps.edp_dsc_support = true;

drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1783,6 +1783,8 @@ static bool dcn315_resource_construct(
		dc->caps.max_slave_rgb_planes = 2;
		dc->caps.post_blend_color_processing = true;
		dc->caps.force_dp_tps4_for_cp2520 = true;
		if (dc->config.forceHBR2CP2520)
		dc->caps.force_dp_tps4_for_cp2520 = false;
		dc->caps.dp_hpo = true;
		dc->caps.dp_hdmi21_pcon_support = true;
		dc->caps.edp_dsc_support = true;

drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1785,6 +1785,8 @@ static bool dcn316_resource_construct(
		dc->caps.max_slave_rgb_planes = 2;
		dc->caps.post_blend_color_processing = true;
		dc->caps.force_dp_tps4_for_cp2520 = true;
		if (dc->config.forceHBR2CP2520)
		dc->caps.force_dp_tps4_for_cp2520 = false;
		dc->caps.dp_hpo = true;
		dc->caps.dp_hdmi21_pcon_support = true;
		dc->caps.edp_dsc_support = true;