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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2476-drm-amd-display-fixed-DCC-corruption.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2476-drm-amd-display-fixed-DCC-corruption.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2476-drm-amd-display-fixed-DCC-corruption.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2476-drm-amd-display-fixed-DCC-corruption.patch
new file mode 100644
index 00000000..e9629f73
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2476-drm-amd-display-fixed-DCC-corruption.patch
@@ -0,0 +1,34 @@
+From 4415364a08ee448d8e80b93b94b1976c9ccdc0fc Mon Sep 17 00:00:00 2001
+From: Bob Yang <Bob.Yang@amd.com>
+Date: Mon, 18 Mar 2019 11:44:52 +0800
+Subject: [PATCH 2476/2940] drm/amd/display: fixed DCC corruption
+
+[Description]
+swath_bytes_horz_wc should be 256/64/64 for 2160p 32bpp surface
+
+Signed-off-by: Bob Yang <Bob.Yang@amd.com>
+Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
+Acked-by: Leo Li <sunpeng.li@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c
+index 09e8d10a7a01..b3a99b10cfbd 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c
+@@ -194,8 +194,8 @@ static void hubbub2_det_request_size(
+
+ hubbub2_get_blk256_size(&blk256_width, &blk256_height, bpe);
+
+- swath_bytes_horz_wc = height * blk256_height * bpe;
+- swath_bytes_vert_wc = width * blk256_width * bpe;
++ swath_bytes_horz_wc = width * blk256_height * bpe;
++ swath_bytes_vert_wc = height * blk256_width * bpe;
+
+ *req128_horz_wc = (2 * swath_bytes_horz_wc <= detile_buf_size) ?
+ false : /* full 256B request */
+--
+2.17.1
+