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Commit bce14857 authored Nov 13, 2017 by Dmytro Laktyushkin Committed by Alex Deucher Dec 14, 2017

drm/amd/display: set chroma taps to 1 when not scaling



Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 76121231

drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c

+9 −0

Original line number	Original line	Diff line number	Diff line
	@@ -897,6 +897,15 @@ bool dcn_validate_bandwidth(
	v->override_vta_ps[input_idx] = pipe->plane_res.scl_data.taps.v_taps;		v->override_vta_ps[input_idx] = pipe->plane_res.scl_data.taps.v_taps;
	v->override_hta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.h_taps_c;		v->override_hta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.h_taps_c;
	v->override_vta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.v_taps_c;		v->override_vta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.v_taps_c;
			/*
			* Spreadsheet doesn't handle taps_c is one properly,
			* need to force Chroma to always be scaled to pass
			* bandwidth validation.
			*/
			if (v->override_hta_pschroma[input_idx] == 1)
			v->override_hta_pschroma[input_idx] = 2;
			if (v->override_vta_pschroma[input_idx] == 1)
			v->override_vta_pschroma[input_idx] = 2;
	v->source_scan[input_idx] = (pipe->plane_state->rotation % 2) ? dcn_bw_vert : dcn_bw_hor;		v->source_scan[input_idx] = (pipe->plane_state->rotation % 2) ? dcn_bw_vert : dcn_bw_hor;
	}		}
	if (v->is_line_buffer_bpp_fixed == dcn_bw_yes)		if (v->is_line_buffer_bpp_fixed == dcn_bw_yes)

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c

+4 −5

Original line number	Original line	Diff line number	Diff line
	@@ -159,11 +159,10 @@ bool dpp_get_optimal_number_of_taps(
	scl_data->taps.h_taps = 1;		scl_data->taps.h_taps = 1;
	if (IDENTITY_RATIO(scl_data->ratios.vert))		if (IDENTITY_RATIO(scl_data->ratios.vert))
	scl_data->taps.v_taps = 1;		scl_data->taps.v_taps = 1;
	/*		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
	* Spreadsheet doesn't handle taps_c is one properly,		scl_data->taps.h_taps_c = 1;
	* need to force Chroma to always be scaled to pass		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
	* bandwidth validation.		scl_data->taps.v_taps_c = 1;
	*/
	}		}

	return true;		return true;