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authorSamson Tam <Samson.Tam@amd.com>2024-11-20 01:05:58 -0500
committerAlex Deucher <alexander.deucher@amd.com>2024-12-10 10:26:49 -0500
commit257b42dcdf40998650ebd67d00c0d4f43b1cc195 (patch)
tree67a3e026f0a6563759fc40f41e7d3f751bb404dc
parent340e463e65625bcc7862a95ce7443dac33ab8de1 (diff)
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: 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>
-rw-r--r--drivers/gpu/drm/amd/display/dc/spl/dc_spl.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
index c92312fec7a9..72d55e9a4fd7 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
@@ -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