From 92c7552382ac165215514228590652e01d43562d Mon Sep 17 00:00:00 2001
From: Aric Cyr <aric.cyr@amd.com>
Date: Tue, 22 Jun 2021 16:17:50 -0400
Subject: drm/amd/display: increase max EDID size to 2k
Git-commit: 7b101c95486cffbc65be4b41eda0d49f8cbb0173
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
[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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 8016e22114ce..d8e80107b7cc 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
--
2.38.1