Commit 257b42dc authored by Samson Tam's avatar Samson Tam Committed by Alex Deucher
Browse files

drm/amd/display: fix v tap calculation for non-adaptive scaling in SPL 



[Why & How]
v and h tap calculations slightly different
Use h tap calculation for both v and h tap

Reviewed-by: default avatarNavid Assadian <navid.assadian@amd.com>
Signed-off-by: default avatarSamson Tam <Samson.Tam@amd.com>
Signed-off-by: default avatarFangzhi Zuo <jerry.zuo@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 340e463e

drivers/gpu/drm/amd/display/dc/spl/dc_spl.c

+4 −4
Original line number Diff line number Diff line
@@ -899,8 +899,8 @@ static void spl_get_taps_non_adaptive_scaler( 


	if (in_taps->v_taps == 0) {

		if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 1)

			spl_scratch->scl_data.taps.v_taps = spl_min(spl_fixpt_ceil(spl_fixpt_mul_int(

				spl_scratch->scl_data.ratios.vert, 2)), 8);

			spl_scratch->scl_data.taps.v_taps = spl_min(2 * spl_fixpt_ceil(

				spl_scratch->scl_data.ratios.vert), 8);

		else

			spl_scratch->scl_data.taps.v_taps = 4;

	} else
@@ -908,8 +908,8 @@ static void spl_get_taps_non_adaptive_scaler( 


	if (in_taps->v_taps_c == 0) {

		if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 1)

			spl_scratch->scl_data.taps.v_taps_c = spl_min(spl_fixpt_ceil(spl_fixpt_mul_int(

				spl_scratch->scl_data.ratios.vert_c, 2)), 8);

			spl_scratch->scl_data.taps.v_taps_c = spl_min(2 * spl_fixpt_ceil(

				spl_scratch->scl_data.ratios.vert_c), 8);

		else

			spl_scratch->scl_data.taps.v_taps_c = 4;

	} else