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

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

Reviewed-by: Navid Assadian <navid.assadian@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samson Tam
2024-11-20 01:05:58 -05:00
committed by Alex Deucher
parent 340e463e65
commit 257b42dcdf
1 changed files with 4 additions and 4 deletions
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drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
+4 -4
View File
@@ -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