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drm/amd/display: CTS 4.2.2.7

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[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>
This commit is contained in:
abdoulaye berthe 2018-11-02 12:07:46 -04:00 committed by Alex Deucher
parent 71f7f3e01b
commit 242b0c8ffa
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -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,