Den 28.01.2019 12.49, skrev Gerd Hoffmann:
> On Mon, Jan 28, 2019 at 11:25:28AM +0100, Noralf Trønnes wrote:
>>
>>
>> Den 28.01.2019 07.48, skrev Gerd Hoffmann:
Fix by using drm_fb_helper_lastclose() which checks if fbdev is in use.
>>>
static int drm_fbdev_client_restore(struct drm_cl
On Mon, Jan 28, 2019 at 11:25:28AM +0100, Noralf Trønnes wrote:
>
>
> Den 28.01.2019 07.48, skrev Gerd Hoffmann:
> >> Fix by using drm_fb_helper_lastclose() which checks if fbdev is in use.
> >
> >> static int drm_fbdev_client_restore(struct drm_client_dev *client)
> >> {
> >> - struct drm_fb
Den 28.01.2019 07.48, skrev Gerd Hoffmann:
>> Fix by using drm_fb_helper_lastclose() which checks if fbdev is in use.
>
>> static int drm_fbdev_client_restore(struct drm_client_dev *client)
>> {
>> -struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
>> -
>> -drm_fb_he
> Fix by using drm_fb_helper_lastclose() which checks if fbdev is in use.
> static int drm_fbdev_client_restore(struct drm_client_dev *client)
> {
> - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
> -
> - drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
> +
If fbdev setup has failed, lastclose will give a NULL pointer deref:
[ 77.794295] [drm:drm_lastclose]
[ 77.794414] [drm:drm_lastclose] driver lastclose completed
[ 77.794660] Unable to handle kernel NULL pointer dereference at virtual
address 0014
[ 77.809460] pgd = b376b71b
[ 77.81
