Re: [Intel-gfx] [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag

2018-09-11 Thread Daniel Vetter
On Tue, Sep 11, 2018 at 10:47:34AM +0200, Bartlomiej Zolnierkiewicz wrote: > On 09/11/2018 09:42 AM, Daniel Vetter wrote: > > On Mon, Sep 10, 2018 at 02:48:43PM +0200, Bartlomiej Zolnierkiewicz wrote: > >> > >> On 08/22/2018 10:54 AM, Daniel Vetter wrote: > >>> This was only added for the drm's fbd

Re: [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag

2018-09-11 Thread Bartlomiej Zolnierkiewicz
On 09/11/2018 09:42 AM, Daniel Vetter wrote: > On Mon, Sep 10, 2018 at 02:48:43PM +0200, Bartlomiej Zolnierkiewicz wrote: >> >> On 08/22/2018 10:54 AM, Daniel Vetter wrote: >>> This was only added for the drm's fbdev emulation support, so that it >>> would try harder to show the Oops. >>> >>> Unfor

Re: [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag

2018-09-11 Thread Daniel Vetter
On Mon, Sep 10, 2018 at 02:48:43PM +0200, Bartlomiej Zolnierkiewicz wrote: > > On 08/22/2018 10:54 AM, Daniel Vetter wrote: > > This was only added for the drm's fbdev emulation support, so that it > > would try harder to show the Oops. > > > > Unfortunately this never really worked reliably, and

Re: [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag

2018-09-10 Thread Bartlomiej Zolnierkiewicz
On 08/22/2018 10:54 AM, Daniel Vetter wrote: > This was only added for the drm's fbdev emulation support, so that it > would try harder to show the Oops. > > Unfortunately this never really worked reliably, and in practice ended > up pushing the real Oops off the screen due to plentyfull locking,

[PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag

2018-08-22 Thread Daniel Vetter
This was only added for the drm's fbdev emulation support, so that it would try harder to show the Oops. Unfortunately this never really worked reliably, and in practice ended up pushing the real Oops off the screen due to plentyfull locking, sleep-while-atomic and other issues. So we removed all