diff options
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index ece184d20c0f..c39c1669c74c 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -360,12 +360,12 @@ static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *d return 0; } -static void msm_dp_display_lttpr_init(struct msm_dp_display_private *dp) +static void msm_dp_display_lttpr_init(struct msm_dp_display_private *dp, u8 *dpcd) { u8 lttpr_caps[DP_LTTPR_COMMON_CAP_SIZE]; int rc; - if (drm_dp_read_lttpr_common_caps(dp->aux, dp->panel->dpcd, lttpr_caps)) + if (drm_dp_read_lttpr_common_caps(dp->aux, dpcd, lttpr_caps)) return; rc = drm_dp_lttpr_init(dp->aux, drm_dp_lttpr_count(lttpr_caps)); @@ -378,12 +378,17 @@ static int msm_dp_display_process_hpd_high(struct msm_dp_display_private *dp) struct drm_connector *connector = dp->msm_dp_display.connector; const struct drm_display_info *info = &connector->display_info; int rc = 0; + u8 dpcd[DP_RECEIVER_CAP_SIZE]; - rc = msm_dp_panel_read_sink_caps(dp->panel, connector); + rc = drm_dp_read_dpcd_caps(dp->aux, dpcd); if (rc) goto end; - msm_dp_display_lttpr_init(dp); + msm_dp_display_lttpr_init(dp, dpcd); + + rc = msm_dp_panel_read_sink_caps(dp->panel, connector); + if (rc) + goto end; msm_dp_link_process_request(dp->link); |