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Message-ID: <CAHpthZqfzOXfxzv7OTaLK0x_qro1sHKOHqPeFxwNA4_5FYQrRw@mail.gmail.com>
Date: Thu, 19 Jun 2025 15:37:06 +0900
From: Ryosuke Yasuoka <ryasuoka@...hat.com>
To: Jocelyn Falempe <jfalempe@...hat.com>
Cc: kraxel@...hat.com, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, 
	tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch, 
	virtualization@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH drm-next] drm/bochs: Add support for drm_panic

On Thu, Jun 19, 2025 at 3:12 PM Jocelyn Falempe <jfalempe@...hat.com> wrote:
>
> On 13/06/2025 15:20, Ryosuke Yasuoka wrote:
> > Add drm_panic moudle for bochs drm so that panic screen can be displayed
> > on panic.
>
> Thanks for the patch, it's simple and looks good to me.
>
> Reviewed-by: Jocelyn Falempe <jfalempe@...hat.com>
>
> If no objections, I will push it next Monday.
>
> Best regards,
>
> --
>
> Jocelyn

Thank you Jocelyn for reviewing my patch.
Now I found a typo in the commit message; moudle -> module.

Let me fix it in v2.

Ryosuke

> >
> > Signed-off-by: Ryosuke Yasuoka <ryasuoka@...hat.com>
> > ---
> >   drivers/gpu/drm/tiny/bochs.c | 19 +++++++++++++++++++
> >   1 file changed, 19 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
> > index 8706763af8fb..ed42ad5c4927 100644
> > --- a/drivers/gpu/drm/tiny/bochs.c
> > +++ b/drivers/gpu/drm/tiny/bochs.c
> > @@ -19,6 +19,7 @@
> >   #include <drm/drm_gem_shmem_helper.h>
> >   #include <drm/drm_managed.h>
> >   #include <drm/drm_module.h>
> > +#include <drm/drm_panic.h>
> >   #include <drm/drm_plane_helper.h>
> >   #include <drm/drm_probe_helper.h>
> >
> > @@ -469,10 +470,28 @@ static void bochs_primary_plane_helper_atomic_update(struct drm_plane *plane,
> >       bochs_hw_setformat(bochs, fb->format);
> >   }
> >
> > +static int bochs_primary_plane_helper_get_scanout_buffer(struct drm_plane *plane,
> > +                                                       struct drm_scanout_buffer *sb)
> > +{
> > +     struct bochs_device *bochs = to_bochs_device(plane->dev);
> > +     struct iosys_map map = IOSYS_MAP_INIT_VADDR_IOMEM(bochs->fb_map);
> > +
> > +     if (plane->state && plane->state->fb) {
> > +             sb->format = plane->state->fb->format;
> > +             sb->width = plane->state->fb->width;
> > +             sb->height = plane->state->fb->height;
> > +             sb->pitch[0] = plane->state->fb->pitches[0];
> > +             sb->map[0] = map;
> > +             return 0;
> > +     }
> > +     return -ENODEV;
> > +}
> > +
> >   static const struct drm_plane_helper_funcs bochs_primary_plane_helper_funcs = {
> >       DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
> >       .atomic_check = bochs_primary_plane_helper_atomic_check,
> >       .atomic_update = bochs_primary_plane_helper_atomic_update,
> > +     .get_scanout_buffer = bochs_primary_plane_helper_get_scanout_buffer,
> >   };
> >
> >   static const struct drm_plane_funcs bochs_primary_plane_funcs = {
> >
> > base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
>


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