drm/msm/dp: Get rid of dp_ctrl_on_stream_phy_test_report()

This API isn't really more than a couple lines now that we don't store
the pixel_rate to the struct member. Inline it into the caller.

Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/490775/
Link: https://lore.kernel.org/r/20220623002540.871994-4-swboyd@chromium.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

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

@@ -1565,36 +1565,15 @@ static bool dp_ctrl_send_phy_test_pattern(struct dp_ctrl_private *ctrl)
 	return success;
 }
 
-static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl)
+static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl)
 {
 	int ret;
-	struct dp_ctrl_private *ctrl;
 	unsigned long pixel_rate;
 
-	ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl);
-
-	pixel_rate = ctrl->panel->dp_mode.drm_mode.clock;
-	dp_ctrl_set_clock_rate(ctrl, DP_STREAM_PM, "stream_pixel", pixel_rate * 1000);
-
-	ret = dp_power_clk_enable(ctrl->power, DP_STREAM_PM, true);
-	if (ret) {
-		DRM_ERROR("Unable to start pixel clocks. ret=%d\n", ret);
-		return ret;
-	}
-
-	dp_ctrl_send_phy_test_pattern(ctrl);
-
-	return 0;
-}
-
-static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl)
-{
-	int ret = 0;
-
 	if (!ctrl->link->phy_params.phy_test_pattern_sel) {
 		drm_dbg_dp(ctrl->drm_dev,
 			"no test pattern selected by sink\n");
-		return ret;
+		return 0;
 	}
 
 	/*
@@ -1609,12 +1588,23 @@ static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl)
 	}
 
 	ret = dp_ctrl_on_link(&ctrl->dp_ctrl);
-	if (!ret)
-		ret = dp_ctrl_on_stream_phy_test_report(&ctrl->dp_ctrl);
-	else
+	if (ret) {
 		DRM_ERROR("failed to enable DP link controller\n");
+		return ret;
+	}
 
-	return ret;
+	pixel_rate = ctrl->panel->dp_mode.drm_mode.clock;
+	dp_ctrl_set_clock_rate(ctrl, DP_STREAM_PM, "stream_pixel", pixel_rate * 1000);
+
+	ret = dp_power_clk_enable(ctrl->power, DP_STREAM_PM, true);
+	if (ret) {
+		DRM_ERROR("Failed to start pixel clocks. ret=%d\n", ret);
+		return ret;
+	}
+
+	dp_ctrl_send_phy_test_pattern(ctrl);
+
+	return 0;
 }
 
 void dp_ctrl_handle_sink_request(struct dp_ctrl *dp_ctrl)