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authorChris Wilson <chris@chris-wilson.co.uk>2013-05-03 17:36:25 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-05-21 12:15:58 +0200
commit2d05eae1c92f93ace0fc6f282c55527d293297dd (patch)
tree8297d73a3c446d29d6bf338a7eabe2880b114345 /drivers/gpu
parent1c98b4871cca4b7ce07e19f92f934d47cf7210b0 (diff)
downloadlinux-2d05eae1c92f93ace0fc6f282c55527d293297dd.tar.gz
drm/i915: Propagate errors back from fb set-base
Along the modesetting short cut where we skip trying to do a full
modeset and instead simply update the framebuffer base registers, we
failed to handle any errors reported.

This regression has been introduced in

commit 94352cf9a5328bb1a44288e6c2c1276695f8a356
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Jul 5 22:51:56 2012 +0200

    drm/i915: push crtc->fb update into pipe_set_base

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index efe829919755..300942a7d144 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8332,11 +8332,6 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
 
 		ret = intel_set_mode(set->crtc, set->mode,
 				     set->x, set->y, set->fb);
-		if (ret) {
-			DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n",
-				  set->crtc->base.id, ret);
-			goto fail;
-		}
 	} else if (config->fb_changed) {
 		intel_crtc_wait_for_pending_flips(set->crtc);
 
@@ -8344,18 +8339,18 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
 					  set->x, set->y, set->fb);
 	}
 
-	intel_set_config_free(config);
-
-	return 0;
-
+	if (ret) {
+		DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n",
+			  set->crtc->base.id, ret);
 fail:
-	intel_set_config_restore_state(dev, config);
+		intel_set_config_restore_state(dev, config);
 
-	/* Try to restore the config */
-	if (config->mode_changed &&
-	    intel_set_mode(save_set.crtc, save_set.mode,
-			   save_set.x, save_set.y, save_set.fb))
-		DRM_ERROR("failed to restore config after modeset failure\n");
+		/* Try to restore the config */
+		if (config->mode_changed &&
+		    intel_set_mode(save_set.crtc, save_set.mode,
+				   save_set.x, save_set.y, save_set.fb))
+			DRM_ERROR("failed to restore config after modeset failure\n");
+	}
 
 out_config:
 	intel_set_config_free(config);