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* [PATCH] drm/i915: Propagate errors back from fb set-base
@ 2013-05-03 16:36 Chris Wilson
  2013-05-03 16:55 ` Daniel Vetter
  0 siblings, 1 reply; 4+ messages in thread
From: Chris Wilson @ 2013-05-03 16:36 UTC (permalink / raw)
  To: intel-gfx

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.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_display.c |   25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2939524..62eafc7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8572,11 +8572,6 @@ 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);
 
@@ -8584,18 +8579,18 @@ 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);
-- 
1.7.10.4

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/i915: Propagate errors back from fb set-base
  2013-05-03 16:36 [PATCH] drm/i915: Propagate errors back from fb set-base Chris Wilson
@ 2013-05-03 16:55 ` Daniel Vetter
  2013-05-21  8:54   ` Chris Wilson
  0 siblings, 1 reply; 4+ messages in thread
From: Daniel Vetter @ 2013-05-03 16:55 UTC (permalink / raw)
  To: Chris Wilson; +Cc: intel-gfx

On Fri, May 3, 2013 at 6:36 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> 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.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>


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

/me hangs head in shame
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/i915: Propagate errors back from fb set-base
  2013-05-03 16:55 ` Daniel Vetter
@ 2013-05-21  8:54   ` Chris Wilson
  2013-05-21 10:16     ` Daniel Vetter
  0 siblings, 1 reply; 4+ messages in thread
From: Chris Wilson @ 2013-05-21  8:54 UTC (permalink / raw)
  To: Daniel Vetter; +Cc: intel-gfx

On Fri, May 03, 2013 at 06:55:35PM +0200, Daniel Vetter wrote:
> On Fri, May 3, 2013 at 6:36 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> > 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.
> >
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> 
> 
> 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
> 
> /me hangs head in shame

Ping?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/i915: Propagate errors back from fb set-base
  2013-05-21  8:54   ` Chris Wilson
@ 2013-05-21 10:16     ` Daniel Vetter
  0 siblings, 0 replies; 4+ messages in thread
From: Daniel Vetter @ 2013-05-21 10:16 UTC (permalink / raw)
  To: Chris Wilson, Daniel Vetter, intel-gfx, Barnes, Jesse

On Tue, May 21, 2013 at 09:54:09AM +0100, Chris Wilson wrote:
> On Fri, May 03, 2013 at 06:55:35PM +0200, Daniel Vetter wrote:
> > On Fri, May 3, 2013 at 6:36 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> > > 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.
> > >
> > > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > 
> > 
> > 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
> > 
> > /me hangs head in shame
> 
> Ping?

Picked up for -fixes, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2013-05-21 10:16 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2013-05-03 16:36 [PATCH] drm/i915: Propagate errors back from fb set-base Chris Wilson
2013-05-03 16:55 ` Daniel Vetter
2013-05-21  8:54   ` Chris Wilson
2013-05-21 10:16     ` Daniel Vetter

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