[PATCH v2 2/4] drm/msm/dp: simplify dp_connector_get_modes()

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Since dp_panel_get_modes() handling for dp_mode was removed,
dp_display_get_modes also doesn't change the passed dp_mode, drop the
unused dp_mode variable being allocated unused and then freed.

Reviewed-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/dp/dp_display.c |  9 ++-------
 drivers/gpu/drm/msm/dp/dp_display.h |  3 +--
 drivers/gpu/drm/msm/dp/dp_drm.c     | 29 +----------------------------
 3 files changed, 4 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 3dd790083cf7..93cdc4ebcf43 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -999,11 +999,9 @@ int dp_display_validate_mode(struct msm_dp *dp, u32 mode_pclk_khz)
 	return MODE_OK;
 }
 
-int dp_display_get_modes(struct msm_dp *dp,
-				struct dp_display_mode *dp_mode)
+int dp_display_get_modes(struct msm_dp *dp)
 {
 	struct dp_display_private *dp_display;
-	int ret = 0;
 
 	if (!dp) {
 		DRM_ERROR("invalid params\n");
@@ -1012,11 +1010,8 @@ int dp_display_get_modes(struct msm_dp *dp,
 
 	dp_display = container_of(dp, struct dp_display_private, dp_display);
 
-	ret = dp_panel_get_modes(dp_display->panel,
+	return dp_panel_get_modes(dp_display->panel,
 		dp->connector);
-	if (dp_mode->drm_mode.clock)
-		dp->max_pclk_khz = dp_mode->drm_mode.clock;
-	return ret;
 }
 
 bool dp_display_check_video_test(struct msm_dp *dp)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h
index 7af2b186d2d9..6efb5c853c89 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -33,8 +33,7 @@ struct msm_dp {
 int dp_display_set_plugged_cb(struct msm_dp *dp_display,
 		hdmi_codec_plugged_cb fn, struct device *codec_dev);
 int dp_display_validate_mode(struct msm_dp *dp_display, u32 mode_pclk_khz);
-int dp_display_get_modes(struct msm_dp *dp_display,
-		struct dp_display_mode *dp_mode);
+int dp_display_get_modes(struct msm_dp *dp_display);
 int dp_display_request_irq(struct msm_dp *dp_display);
 bool dp_display_check_video_test(struct msm_dp *dp_display);
 int dp_display_get_test_bpp(struct msm_dp *dp_display);
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index 80f59cf99089..af5f1b001192 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -55,49 +55,22 @@ static int dp_connector_get_modes(struct drm_connector *connector)
 {
 	int rc = 0;
 	struct msm_dp *dp;
-	struct dp_display_mode *dp_mode = NULL;
-	struct drm_display_mode *m, drm_mode;
 
 	if (!connector)
 		return 0;
 
 	dp = to_dp_connector(connector)->dp_display;
 
-	dp_mode = kzalloc(sizeof(*dp_mode),  GFP_KERNEL);
-	if (!dp_mode)
-		return 0;
-
 	/* pluggable case assumes EDID is read when HPD */
 	if (dp->is_connected) {
-		/*
-		 *The get_modes() function might return one mode that is stored
-		 * in dp_mode when compliance test is in progress. If not, the
-		 * return value is equal to the total number of modes supported
-		 * by the sink
-		 */
-		rc = dp_display_get_modes(dp, dp_mode);
+		rc = dp_display_get_modes(dp);
 		if (rc <= 0) {
 			DRM_ERROR("failed to get DP sink modes, rc=%d\n", rc);
-			kfree(dp_mode);
 			return rc;
 		}
-		if (dp_mode->drm_mode.clock) { /* valid DP mode */
-			memset(&drm_mode, 0x0, sizeof(drm_mode));
-			drm_mode_copy(&drm_mode, &dp_mode->drm_mode);
-			m = drm_mode_duplicate(connector->dev, &drm_mode);
-			if (!m) {
-				DRM_ERROR("failed to add mode %ux%u\n",
-				       drm_mode.hdisplay,
-				       drm_mode.vdisplay);
-				kfree(dp_mode);
-				return 0;
-			}
-			drm_mode_probed_add(connector, m);
-		}
 	} else {
 		DRM_DEBUG_DP("No sink connected\n");
 	}
-	kfree(dp_mode);
 	return rc;
 }
 
-- 
2.35.1




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