On Wed, Sep 09, 2015 at 01:46:21PM +0200, Maarten Lankhorst wrote:
> This may cause issues because encoders are already destroyed so removing
> active primaries may use freed memory. Instead free the fb directly,
> ignoring refcount.
So what about fixing the cause, not the symptom? That is remove
framebuffers before nuking crtc/encoders/etc.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_crtc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 474f328535a1..9b9c4b41422a 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -5742,7 +5742,7 @@ void drm_mode_config_cleanup(struct drm_device *dev)
> */
> WARN_ON(!list_empty(&dev->mode_config.fb_list));
> list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
> - drm_framebuffer_remove(fb);
> + drm_framebuffer_free(&fb->refcount);
> }
>
> list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
> --
> 2.1.0
>
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--
Ville Syrjälä
Intel OTC
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