shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 20:07:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm/rockchip: dw-dp: Use drm_dp_read_dpcd_caps() helper

Browse Source 
Reads the extended DPRX caps (%DP_DP13_DPCD_REV) if present.

Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
Change-Id: I5c442e4c92917e136665b3dd5554abef9b7c81e5
This commit is contained in:
Wyon Bi
2021-11-26 15:26:24 +08:00
committed by Tao Huang
parent 347e6b3e3d
commit 956b7cc975
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/rockchip/dw-dp.c
View File

@@ -544,8 +544,7 @@ static int dw_dp_link_probe(struct dw_dp *dp)
dw_dp_link_reset(link);
ret = drm_dp_dpcd_read(&dp->aux, DP_DPCD_REV, link->dpcd,
sizeof(link->dpcd));
ret = drm_dp_read_dpcd_caps(&dp->aux, link->dpcd);
if (ret < 0)
return ret;
@@ -560,6 +559,7 @@ static int dw_dp_link_probe(struct dw_dp *dp)
link->caps.enhanced_framing = drm_dp_enhanced_frame_cap(link->dpcd);
link->caps.tps3_supported = drm_dp_tps3_supported(link->dpcd);
link->caps.tps4_supported = drm_dp_tps4_supported(link->dpcd);
link->caps.fast_training = drm_dp_fast_training_cap(link->dpcd);
link->caps.channel_coding = drm_dp_channel_coding_supported(link->dpcd);
link->caps.ssc = !!(link->dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5);