Commit b7ba5db9 authored by Stephen Boyd's avatar Stephen Boyd Committed by Dmitry Baryshkov
Browse files

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 <quic_vpolimer@quicinc.com>
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: default avatarStephen Boyd <swboyd@chromium.org>
Tested-by: default avatarKuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: default avatarKuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/554983/
Link: https://lore.kernel.org/r/20230829184735.2841739-3-swboyd@chromium.org


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 744077f9

drivers/gpu/drm/msm/dp/dp_panel.c

+7 −12
Original line number Diff line number Diff line
@@ -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);

		count = drm_dp_read_sink_count(panel->aux);

		if (!count) {

			DRM_ERROR("no downstream ports connected\n");

			panel->link->sink_count = 0;

				rc = -ENOTCONN;

				goto end;

			}

			return -ENOTCONN;

		}

	}