Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-24 Thread Daniel Vetter
On Fri, Jul 24, 2020 at 8:24 AM Sam Ravnborg wrote: > > Hi Dave. > On Fri, Jul 24, 2020 at 02:53:30PM +1000, Dave Airlie wrote: > > On Tue, 14 Jul 2020 at 18:56, Thomas Zimmermann wrote: > > > > > > Hi > > > > > > Am 14.07.20 um 10:41 schrieb Daniel Vetter: > > > > On Tue, Jul 14, 2020 at

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-24 Thread Thomas Zimmermann
Hi Am 24.07.20 um 06:53 schrieb Dave Airlie: > On Tue, 14 Jul 2020 at 18:56, Thomas Zimmermann wrote: >> >> Hi >> >> Am 14.07.20 um 10:41 schrieb Daniel Vetter: >>> On Tue, Jul 14, 2020 at 08:41:58AM +0200, Thomas Zimmermann wrote: Hi Am 13.07.20 um 18:21 schrieb Daniel Vetter:

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-24 Thread Sam Ravnborg
Hi Dave. On Fri, Jul 24, 2020 at 02:53:30PM +1000, Dave Airlie wrote: > On Tue, 14 Jul 2020 at 18:56, Thomas Zimmermann wrote: > > > > Hi > > > > Am 14.07.20 um 10:41 schrieb Daniel Vetter: > > > On Tue, Jul 14, 2020 at 08:41:58AM +0200, Thomas Zimmermann wrote: > > >> Hi > > >> > > >> Am

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-23 Thread Dave Airlie
On Tue, 14 Jul 2020 at 18:56, Thomas Zimmermann wrote: > > Hi > > Am 14.07.20 um 10:41 schrieb Daniel Vetter: > > On Tue, Jul 14, 2020 at 08:41:58AM +0200, Thomas Zimmermann wrote: > >> Hi > >> > >> Am 13.07.20 um 18:21 schrieb Daniel Vetter: > >>> On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-14 Thread Thomas Zimmermann
Hi Am 14.07.20 um 10:41 schrieb Daniel Vetter: > On Tue, Jul 14, 2020 at 08:41:58AM +0200, Thomas Zimmermann wrote: >> Hi >> >> Am 13.07.20 um 18:21 schrieb Daniel Vetter: >>> On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas Zimmermann wrote: Hi Am 09.07.20 um 21:30 schrieb Sam

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-14 Thread Daniel Vetter
On Tue, Jul 14, 2020 at 08:41:58AM +0200, Thomas Zimmermann wrote: > Hi > > Am 13.07.20 um 18:21 schrieb Daniel Vetter: > > On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas Zimmermann wrote: > >> Hi > >> > >> Am 09.07.20 um 21:30 schrieb Sam Ravnborg: > >>> Mark reported that sparc64 would panic

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-14 Thread Thomas Zimmermann
Hi Am 13.07.20 um 18:21 schrieb Daniel Vetter: > On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas Zimmermann wrote: >> Hi >> >> Am 09.07.20 um 21:30 schrieb Sam Ravnborg: >>> Mark reported that sparc64 would panic while booting using qemu. >>> Mark bisected this to a patch that introduced generic

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-13 Thread Daniel Vetter
On Mon, Jul 13, 2020 at 8:39 PM Sam Ravnborg wrote: > > On Mon, Jul 13, 2020 at 06:21:59PM +0200, Daniel Vetter wrote: > > On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas Zimmermann wrote: > > > Hi > > > > > > Am 09.07.20 um 21:30 schrieb Sam Ravnborg: > > > > Mark reported that sparc64 would

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-13 Thread Sam Ravnborg
On Mon, Jul 13, 2020 at 06:21:59PM +0200, Daniel Vetter wrote: > On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas Zimmermann wrote: > > Hi > > > > Am 09.07.20 um 21:30 schrieb Sam Ravnborg: > > > Mark reported that sparc64 would panic while booting using qemu. > > > Mark bisected this to a patch

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-13 Thread Daniel Vetter
On Fri, Jul 10, 2020 at 08:28:16AM +0200, Thomas Zimmermann wrote: > Hi > > Am 09.07.20 um 21:30 schrieb Sam Ravnborg: > > Mark reported that sparc64 would panic while booting using qemu. > > Mark bisected this to a patch that introduced generic fbdev emulation to > > the bochs DRM driver. > >

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-10 Thread Dave Airlie
> > Acked-by: Thomas Zimmermann > > > > but I'd like to have someone with more architecture expertise ack this > > as well. > > Agreed. All my testing is using the bochs_drm framebuffer under > qemu-system-sparc64 > (a sun4u machine) so it would be nice to get an ACK from Dave or someone else >

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-10 Thread Mark Cave-Ayland
On 10/07/2020 07:28, Thomas Zimmermann wrote: Hi Sam, Thanks again for the patch. I've spotted some small typos that you may like to fix if you repost the patch: > Hi > > Am 09.07.20 um 21:30 schrieb Sam Ravnborg: >> Mark reported that sparc64 would panic while booting using qemu. >> Mark

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-10 Thread Thomas Zimmermann
Hi Am 09.07.20 um 21:30 schrieb Sam Ravnborg: > Mark reported that sparc64 would panic while booting using qemu. > Mark bisected this to a patch that introduced generic fbdev emulation to > the bochs DRM driver. > Mark pointed out that a similar bug was fixed before where > the sys helpers was

Re: [PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-09 Thread kernel test robot
Hi Sam, I love your patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm-tip/drm-tip linus/master v5.8-rc4 next-20200709] [cannot apply to drm/drm-next] [If your patch

[PATCH] drm/drm_fb_helper: fix fbdev with sparc64

2020-07-09 Thread Sam Ravnborg
Mark reported that sparc64 would panic while booting using qemu. Mark bisected this to a patch that introduced generic fbdev emulation to the bochs DRM driver. Mark pointed out that a similar bug was fixed before where the sys helpers was replaced by cfb helpers. The culprint here is that the