[PATCH 7/9] drm/amd/display: fix v tap calculation for non-adaptive scaling in SPL

[Fangzhi Zuo]

From: Samson Tam <Samson.Tam at amd.com>

[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 at amd.com>
Signed-off-by: Samson Tam <Samson.Tam at amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo at amd.com>
---
 drivers/gpu/drm/amd/display/dc/spl/dc_spl.c | 8 ++++----
 1 file 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
-- 
2.43.0