drm/amd/display: CTS 4.2.2.7 · tjh.dev/kernel@242b0c8

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

abdoulaye berthe and committed by

Alex Deucher 7 years ago 242b0c8f 71f7f3e0

+1 -1

1 changed file

expand all

drivers

gpu

drm

amd

display

core

dc_link_dp.c

+1 -1

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

··· 2196 2196 } 2197 2197 2198 2198 if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_11) { 2199 - uint8_t det_caps[4]; 2199 + uint8_t det_caps[16]; /* CTS 4.2.2.7 expects source to read Detailed Capabilities Info : 00080h-0008F.*/ 2200 2200 union dwnstream_port_caps_byte0 *port_caps = 2201 2201 (union dwnstream_port_caps_byte0 *)det_caps; 2202 2202 core_link_read_dpcd(link, DP_DOWNSTREAM_PORT_0,