From: Abhinav Kumar <quic_abhin...@quicinc.com>
Add an API dp_display_get_panel() to initialize and return a DP
panel to be used by DP MST module. Since some of the fields of
DP panel are private, dp_display module needs to initialize these
parts and return the panel back.
Signed-off-by: Abhinav Kumar <quic_abhin...@quicinc.com>
Signed-off-by: Yongxing Mou <yongxing....@oss.qualcomm.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 23 +++++++++++++++++++++++
drivers/gpu/drm/msm/dp/dp_display.h | 2 ++
2 files changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index
84df34306fb557341bea288ea8c13b0c81b11919..abcab3ed43b6da5ef898355cf9b7561cd9fe0404
100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -632,6 +632,29 @@ static int msm_dp_irq_hpd_handle(struct
msm_dp_display_private *dp, u32 data)
return 0;
}
+struct msm_dp_panel *msm_dp_display_get_panel(struct msm_dp *msm_dp_display)
+{
+ struct msm_dp_display_private *dp;
+ struct msm_dp_panel *dp_panel;
+
+ dp = container_of(msm_dp_display, struct msm_dp_display_private,
msm_dp_display);
+
+ dp_panel = msm_dp_panel_get(&dp->msm_dp_display.pdev->dev, dp->aux,
dp->link,
+ dp->link_base, dp->mst2link_base,
dp->mst3link_base,
+ dp->pixel_base);
+
+ if (IS_ERR(dp->panel)) {
+ DRM_ERROR("failed to initialize panel\n");
+ return NULL;
+ }
+
+ memcpy(dp_panel->dpcd, dp->panel->dpcd, DP_RECEIVER_CAP_SIZE);
+ memcpy(&dp_panel->link_info, &dp->panel->link_info,
+ sizeof(dp->panel->link_info));
+
+ return dp_panel;
+}
+
static void msm_dp_display_deinit_sub_modules(struct msm_dp_display_private
*dp)
{
msm_dp_audio_put(dp->audio);
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h
b/drivers/gpu/drm/msm/dp/dp_display.h
index
b1ea027438d952c94f3ae80725c92e46c631bdb2..d5889b801d190b6f33b180ead898c1e4ebcbf8f3
100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -65,4 +65,6 @@ void msm_dp_display_unprepare(struct msm_dp *dp);
int msm_dp_display_get_active_stream_cnt(struct msm_dp *msm_dp_display);
+struct msm_dp_panel *msm_dp_display_get_panel(struct msm_dp *msm_dp_display);
+
#endif /* _DP_DISPLAY_H_ */
--
2.34.1
