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authorStephen Boyd <[email protected]>2023-08-29 11:47:27 -0700
committerDmitry Baryshkov <[email protected]>2023-10-09 12:17:46 +0300
commitb7ba5db9c863a9981202862673bf6b13f2765021 (patch)
tree63b7d6c54ad5f8df66aca9452e26749a2fb1f783
parent744077f94e431214c10a2802a189a26ed57dd264 (diff)
drm/msm/dp: Use drm_dp_read_sink_count() helper
Use the common function drm_dp_read_sink_count() instead of open-coding it. This shrinks the kernel text a tiny bit. Cc: Vinod Polimera <[email protected]> Cc: Kuogee Hsieh <[email protected]> Signed-off-by: Stephen Boyd <[email protected]> Tested-by: Kuogee Hsieh <[email protected]> Reviewed-by: Kuogee Hsieh <[email protected]> Reviewed-by: Dmitry Baryshkov <[email protected]> Patchwork: https://patchwork.freedesktop.org/patch/554983/ Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Baryshkov <[email protected]>
-rw-r--r--drivers/gpu/drm/msm/dp/dp_panel.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 09d4f6c38ef8..a0523b18b9e9 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -147,8 +147,8 @@ static int dp_panel_update_modes(struct drm_connector *connector,
int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
struct drm_connector *connector)
{
- int rc = 0, bw_code;
- int rlen, count;
+ int rc, bw_code;
+ int count;
struct dp_panel_private *panel;
if (!dp_panel || !connector) {
@@ -174,16 +174,11 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
}
if (dp_panel->dfp_present) {
- rlen = drm_dp_dpcd_read(panel->aux, DP_SINK_COUNT,
- &count, 1);
- if (rlen == 1) {
- count = DP_GET_SINK_COUNT(count);
- if (!count) {
- DRM_ERROR("no downstream ports connected\n");
- panel->link->sink_count = 0;
- rc = -ENOTCONN;
- goto end;
- }
+ count = drm_dp_read_sink_count(panel->aux);
+ if (!count) {
+ DRM_ERROR("no downstream ports connected\n");
+ panel->link->sink_count = 0;
+ return -ENOTCONN;
}
}