[PATCH 10/22] drm/msm: Nuke weird on stack mode copy

Ville Syrjala ville.syrjala at linux.intel.com
Fri Feb 18 10:03:51 UTC 2022


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

This on stack middle man mode looks entirely pointless.
Just duplicate the original mode directly.

Cc: Rob Clark <robdclark at gmail.com>
Cc: Sean Paul <sean at poorly.run>
Cc: Abhinav Kumar <quic_abhinavk at quicinc.com>
Cc: linux-arm-msm at vger.kernel.org
Cc: freedreno at lists.freedesktop.org
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/msm/dp/dp_drm.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index d4d360d19eba..09188d02aa1e 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -56,7 +56,7 @@ 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;
+	struct drm_display_mode *m;
 
 	if (!connector)
 		return 0;
@@ -82,13 +82,11 @@ static int dp_connector_get_modes(struct drm_connector *connector)
 			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);
+			m = drm_mode_duplicate(connector->dev, &dp_mode->drm_mode);
 			if (!m) {
 				DRM_ERROR("failed to add mode %ux%u\n",
-				       drm_mode.hdisplay,
-				       drm_mode.vdisplay);
+					  dp_mode->drm_mode.hdisplay,
+					  dp_mode->drm_mode.vdisplay);
 				kfree(dp_mode);
 				return 0;
 			}
-- 
2.34.1



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