From 69490fd352064f6533271a74474b1c763e73d00c Mon Sep 17 00:00:00 2001
From: Anthony Koo <Anthony.Koo@amd.com>
Date: Fri, 15 Nov 2019 14:58:53 -0500
Subject: drm/amd/display: Limit NV12 chroma workaround
Git-commit: ddba76274fd59e664f4ea82ca45ea13d179ef179
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
[Why]
It is causing green Line at the bottom of SDR 480p
MPO playback
[How]
Limit workaround to vertical > 512
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
index 38661b9c61f8..332bf3d3a664 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
@@ -200,7 +200,7 @@ void hubp21_set_viewport(
* Disable w/a when rotated 180 degrees, causes vertical chroma offset
*/
patched_viewport_height = viewport_c->height;
- if (viewport_c->height != 0 && debug->nv12_iflip_vm_wa &&
+ if (debug->nv12_iflip_vm_wa && viewport_c->height > 512 &&
rotation != ROTATION_ANGLE_180) {
int pte_row_height = 0;
int pte_rows = 0;
--
2.28.0