* [PATCH v2 01/10] drm/fb-helper: Call dirty helper after writing to fbdev [not found] <20201120102545.4047-1-tzimmermann@suse.de> @ 2020-11-20 10:25 ` Thomas Zimmermann 2020-11-23 19:20 ` Sam Ravnborg 0 siblings, 1 reply; 2+ messages in thread From: Thomas Zimmermann @ 2020-11-20 10:25 UTC (permalink / raw) To: daniel, airlied, sam, mripard, maarten.lankhorst, christian.koenig, ville.syrjala Cc: Daniel Vetter, virtualization, Thomas Zimmermann, dri-devel If fbdev uses a shadow framebuffer, call the damage handler. Otherwise the update might not make it to the screen. v2: * mark virtual screen as dirty (Ville) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 222ec45f4c69 ("drm/fb_helper: Support framebuffers in I/O memory") Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: dri-devel@lists.freedesktop.org Cc: virtualization@lists.linux-foundation.org --- drivers/gpu/drm/drm_fb_helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 25edf670867c..9c673f33d222 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2189,6 +2189,9 @@ static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf, if (ret > 0) *ppos += ret; + if (ret > 0) + drm_fb_helper_dirty(info, 0, 0, info->var.xres_virtual, info->var.yres_virtual); + return ret ? ret : err; } -- 2.29.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 01/10] drm/fb-helper: Call dirty helper after writing to fbdev 2020-11-20 10:25 ` [PATCH v2 01/10] drm/fb-helper: Call dirty helper after writing to fbdev Thomas Zimmermann @ 2020-11-23 19:20 ` Sam Ravnborg 0 siblings, 0 replies; 2+ messages in thread From: Sam Ravnborg @ 2020-11-23 19:20 UTC (permalink / raw) To: Thomas Zimmermann Cc: airlied, Daniel Vetter, maarten.lankhorst, mripard, virtualization, dri-devel, daniel, christian.koenig, ville.syrjala On Fri, Nov 20, 2020 at 11:25:36AM +0100, Thomas Zimmermann wrote: > If fbdev uses a shadow framebuffer, call the damage handler. Otherwise > the update might not make it to the screen. > > v2: > * mark virtual screen as dirty (Ville) > > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> > Fixes: 222ec45f4c69 ("drm/fb_helper: Support framebuffers in I/O memory") > Cc: Thomas Zimmermann <tzimmermann@suse.de> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch> > Cc: Sam Ravnborg <sam@ravnborg.org> > Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> > Cc: Maxime Ripard <mripard@kernel.org> > Cc: David Airlie <airlied@linux.ie> > Cc: Daniel Vetter <daniel@ffwll.ch> > Cc: Gerd Hoffmann <kraxel@redhat.com> > Cc: dri-devel@lists.freedesktop.org > Cc: virtualization@lists.linux-foundation.org Acked-by: Sam Ravnborg <sam@ravnborg.org> _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization ^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-11-20 10:25 ` [PATCH v2 01/10] drm/fb-helper: Call dirty helper after writing to fbdev Thomas Zimmermann
2020-11-23 19:20 ` Sam Ravnborg
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