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From a2805ca24489e855c747154591f172b25c7b20f5 Mon Sep 17 00:00:00 2001
From: abdoulaye berthe <abdoulaye.berthe@amd.com>
Date: Fri, 2 Nov 2018 12:07:46 -0400
Subject: [PATCH 0881/2940] drm/amd/display: CTS 4.2.2.7
[Why]
Failure to read Detailed Capabilities Info.
[How]
Read Detailed Capbilities Info 80h-08Fh.
Signed-off-by: abdoulaye berthe <abdoulaye.berthe@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.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/core/dc_link_dp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 4d1f8ac069c1..849a3a3032f7 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2196,7 +2196,7 @@ static void get_active_converter_info(
}
if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_11) {
- uint8_t det_caps[4];
+ uint8_t det_caps[16]; /* CTS 4.2.2.7 expects source to read Detailed Capabilities Info : 00080h-0008F.*/
union dwnstream_port_caps_byte0 *port_caps =
(union dwnstream_port_caps_byte0 *)det_caps;
core_link_read_dpcd(link, DP_DOWNSTREAM_PORT_0,
--
2.17.1
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