Message ID | 20171011171201.22911-1-seth.forshee@canonical.com |
---|---|
State | New |
Headers | show |
Series | [artful] qxl: fix framebuffer unpinning | expand |
On Wed, Oct 11, 2017 at 12:12:01PM -0500, Seth Forshee wrote: > From: Gerd Hoffmann <kraxel@redhat.com> > > BugLink: http://bugs.launchpad.net/bugs/1711358 > > qxl_plane_cleanup_fb() unpins the just activated framebuffer > instead of the old one. Oops. Fix it. > > Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk> > Fixes: 1277eed5fecb8830c8cc414ad70c1ef640464bc0 > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> > Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> > Link: http://patchwork.freedesktop.org/patch/msgid/20170918074145.2257-1-kraxel@redhat.com > (cherry picked from commit 5f3d862a736398e7068fa67142133f1713fdee8c) > Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Clean cherry pick. Acked-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> > --- > drivers/gpu/drm/qxl/qxl_display.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c > index 03fe182203ce..274df74a128c 100644 > --- a/drivers/gpu/drm/qxl/qxl_display.c > +++ b/drivers/gpu/drm/qxl/qxl_display.c > @@ -701,14 +701,15 @@ static void qxl_plane_cleanup_fb(struct drm_plane *plane, > struct drm_gem_object *obj; > struct qxl_bo *user_bo; > > - if (!plane->state->fb) { > - /* we never executed prepare_fb, so there's nothing to > + if (!old_state->fb) { > + /* > + * we never executed prepare_fb, so there's nothing to > * unpin. > */ > return; > } > > - obj = to_qxl_framebuffer(plane->state->fb)->obj; > + obj = to_qxl_framebuffer(old_state->fb)->obj; > user_bo = gem_to_qxl_bo(obj); > qxl_bo_unpin(user_bo); > } > -- > 2.14.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
On Wed, Oct 11, 2017 at 12:12:01PM -0500, Seth Forshee wrote: > From: Gerd Hoffmann <kraxel@redhat.com> > > BugLink: http://bugs.launchpad.net/bugs/1711358 > > qxl_plane_cleanup_fb() unpins the just activated framebuffer > instead of the old one. Oops. Fix it. > > Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk> > Fixes: 1277eed5fecb8830c8cc414ad70c1ef640464bc0 > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> > Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> > Link: http://patchwork.freedesktop.org/patch/msgid/20170918074145.2257-1-kraxel@redhat.com > (cherry picked from commit 5f3d862a736398e7068fa67142133f1713fdee8c) > Signed-off-by: Seth Forshee <seth.forshee@canonical.com> > --- > drivers/gpu/drm/qxl/qxl_display.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c > index 03fe182203ce..274df74a128c 100644 > --- a/drivers/gpu/drm/qxl/qxl_display.c > +++ b/drivers/gpu/drm/qxl/qxl_display.c > @@ -701,14 +701,15 @@ static void qxl_plane_cleanup_fb(struct drm_plane *plane, > struct drm_gem_object *obj; > struct qxl_bo *user_bo; > > - if (!plane->state->fb) { > - /* we never executed prepare_fb, so there's nothing to > + if (!old_state->fb) { > + /* > + * we never executed prepare_fb, so there's nothing to > * unpin. > */ > return; > } > > - obj = to_qxl_framebuffer(plane->state->fb)->obj; > + obj = to_qxl_framebuffer(old_state->fb)->obj; > user_bo = gem_to_qxl_bo(obj); > qxl_bo_unpin(user_bo); > } Looks to do what is claimed. Specific to the driver and tested. Acked-by: Andy Whitcroft <apw@canonical.com> -apw
On Wed, Oct 11, 2017 at 12:12:01PM -0500, Seth Forshee wrote: > From: Gerd Hoffmann <kraxel@redhat.com> > > BugLink: http://bugs.launchpad.net/bugs/1711358 > > qxl_plane_cleanup_fb() unpins the just activated framebuffer > instead of the old one. Oops. Fix it. > > Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk> > Fixes: 1277eed5fecb8830c8cc414ad70c1ef640464bc0 > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> > Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> > Link: http://patchwork.freedesktop.org/patch/msgid/20170918074145.2257-1-kraxel@redhat.com > (cherry picked from commit 5f3d862a736398e7068fa67142133f1713fdee8c) > Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Applied to artful/master-next.
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 03fe182203ce..274df74a128c 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -701,14 +701,15 @@ static void qxl_plane_cleanup_fb(struct drm_plane *plane, struct drm_gem_object *obj; struct qxl_bo *user_bo; - if (!plane->state->fb) { - /* we never executed prepare_fb, so there's nothing to + if (!old_state->fb) { + /* + * we never executed prepare_fb, so there's nothing to * unpin. */ return; } - obj = to_qxl_framebuffer(plane->state->fb)->obj; + obj = to_qxl_framebuffer(old_state->fb)->obj; user_bo = gem_to_qxl_bo(obj); qxl_bo_unpin(user_bo); }