From: Aric Cyr <aric.cyr@amd.com>
Date: Tue, 22 Jun 2021 20:17:50 +0000 (-0400)
Subject: drm/amd/display: increase max EDID size to 2k
X-Git-Tag: accepted/tizen/unified/20230118.172025~6402^2~20^2~161
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7b101c95486cffbc65be4b41eda0d49f8cbb0173;p=platform%2Fkernel%2Flinux-rpi.git

drm/amd/display: increase max EDID size to 2k

[Why]
EDID CTS requires at least 2k (16 blocks) to be readable.

[How]
Increase EDID buffer size to 2k

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 8016e22..d8e8010 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -123,7 +123,7 @@ struct dc_context {
 };
 
 
-#define DC_MAX_EDID_BUFFER_SIZE 1280
+#define DC_MAX_EDID_BUFFER_SIZE 2048
 #define DC_EDID_BLOCK_SIZE 128
 #define MAX_SURFACE_NUM 4
 #define NUM_PIXEL_FORMATS 10