1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1640-drm-amd-display-extend-EDID-support-to-1kb.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1640-drm-amd-display-extend-EDID-support-to-1kb.patch
new file mode 100644
index 00000000..c694ab63
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1640-drm-amd-display-extend-EDID-support-to-1kb.patch
@@ -0,0 +1,33 @@
+From 027bc52fe7c2c9267feab07e8d5fff5695c1a386 Mon Sep 17 00:00:00 2001
+From: Jun Lei <Jun.Lei@amd.com>
+Date: Fri, 1 Mar 2019 11:21:17 -0500
+Subject: [PATCH 1640/2940] drm/amd/display: extend EDID support to 1kb
+
+[why]
+There exist displays with EDIDs > 512 bytes, existing code
+will cause us to ignore all extension blocks.
+
+Change-Id: I0458baf7f8cc41f04405e25f6efe8456c0b05a57
+Signed-off-by: Jun Lei <Jun.Lei@amd.com>
+Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
+Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dc_types.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
+index 2ed3687ab853..130d039ae137 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
++++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
+@@ -112,7 +112,7 @@ struct dc_context {
+ };
+ 
+ 
+-#define DC_MAX_EDID_BUFFER_SIZE 512
++#define DC_MAX_EDID_BUFFER_SIZE 1024
+ #define EDID_BLOCK_SIZE 128
+ #define MAX_SURFACE_NUM 4
+ #define NUM_PIXEL_FORMATS 10
+-- 
+2.17.1
+