[PATCH] drm/cirrus: fix connector leak at unload

[PATCH] drm/cirrus: fix connector leak at unload

[Rob Clark]

This fixes an '*ERROR* connector VGA-2 leaked!' splat at driver unload.

Signed-off-by: Rob Clark <robdclark@gmail.com>
---
Similar case to the issue that was fixed recently in drm/ast

 drivers/gpu/drm/cirrus/cirrus_fbdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index 4dd499c7d1ba..bb379ec4c182 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -256,6 +256,8 @@ static int cirrus_fbdev_destroy(struct drm_device *dev,
 {
 	struct drm_framebuffer *gfb = gfbdev->gfb;
 
+	drm_crtc_force_disable_all(dev);
+
 	drm_fb_helper_unregister_fbi(&gfbdev->helper);
 
 	vfree(gfbdev->sysram);
-- 
2.20.1

Re: [PATCH] drm/cirrus: fix connector leak at unload

[Daniel Vetter]

On Fri, Jan 11, 2019 at 09:02:34AM -0500, Rob Clark wrote:
> This fixes an '*ERROR* connector VGA-2 leaked!' splat at driver unload.
> 
> Signed-off-by: Rob Clark <robdclark@gmail.com>
> ---
> Similar case to the issue that was fixed recently in drm/ast

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

> 
>  drivers/gpu/drm/cirrus/cirrus_fbdev.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> index 4dd499c7d1ba..bb379ec4c182 100644
> --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> @@ -256,6 +256,8 @@ static int cirrus_fbdev_destroy(struct drm_device *dev,
>  {
>  	struct drm_framebuffer *gfb = gfbdev->gfb;
>  
> +	drm_crtc_force_disable_all(dev);
> +
>  	drm_fb_helper_unregister_fbi(&gfbdev->helper);
>  
>  	vfree(gfbdev->sysram);
> -- 
> 2.20.1
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

Re: [PATCH] drm/cirrus: fix connector leak at unload

[Daniel Vetter]

On Fri, Jan 11, 2019 at 11:06:20PM +0100, Daniel Vetter wrote:
> On Fri, Jan 11, 2019 at 09:02:34AM -0500, Rob Clark wrote:
> > This fixes an '*ERROR* connector VGA-2 leaked!' splat at driver unload.
> > 
> > Signed-off-by: Rob Clark <robdclark@gmail.com>
> > ---
> > Similar case to the issue that was fixed recently in drm/ast
> 
> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Actually I just pushed a patch to drm-misc-next to rename this function to
drm_helper_force_disable_all(), so you need to respin ... My r-b still
holds.
-Daniel

> 
> > 
> >  drivers/gpu/drm/cirrus/cirrus_fbdev.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> > index 4dd499c7d1ba..bb379ec4c182 100644
> > --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> > +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> > @@ -256,6 +256,8 @@ static int cirrus_fbdev_destroy(struct drm_device *dev,
> >  {
> >  	struct drm_framebuffer *gfb = gfbdev->gfb;
> >  
> > +	drm_crtc_force_disable_all(dev);
> > +
> >  	drm_fb_helper_unregister_fbi(&gfbdev->helper);
> >  
> >  	vfree(gfbdev->sysram);
> > -- 
> > 2.20.1
> > 
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

Re: [PATCH] drm/cirrus: fix connector leak at unload

[Gerd Hoffmann]

On Fri, Jan 11, 2019 at 11:16:38PM +0100, Daniel Vetter wrote:
> On Fri, Jan 11, 2019 at 11:06:20PM +0100, Daniel Vetter wrote:
> > On Fri, Jan 11, 2019 at 09:02:34AM -0500, Rob Clark wrote:
> > > This fixes an '*ERROR* connector VGA-2 leaked!' splat at driver unload.
> > > 
> > > Signed-off-by: Rob Clark <robdclark@gmail.com>
> > > ---
> > > Similar case to the issue that was fixed recently in drm/ast
> > 
> > Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> 
> Actually I just pushed a patch to drm-misc-next to rename this function to
> drm_helper_force_disable_all(), so you need to respin ... My r-b still
> holds.

Fixed and queued up.

thanks,
  Gerd