From: abdoulaye berthe <abdoulaye.berthe@xxxxxxx>
[Why]
Failure to read Detailed Capabilities Info.
[How]
Read Detailed Capbilities Info 80h-08Fh.
Signed-off-by: abdoulaye berthe <abdoulaye.berthe@xxxxxxx>
Reviewed-by: Wenjing Liu <Wenjing.Liu@xxxxxxx>
Acked-by: Leo Li <sunpeng.li@xxxxxxx>
---
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 4d1f8ac..849a3a3 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,
--
2.7.4
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