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qxl: fix framebuffer unpinning 

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: 1277eed5fe
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
This commit is contained in:
Gerd Hoffmann 2017-09-18 09:41:45 +02:00
parent 4ba72fc080
commit 5f3d862a73
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/qxl/qxl_display.c
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@ -702,14 +702,15 @@ 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);
}