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drm/qxl: Use drm_fb_helper deferred_io support

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Use the fbdev deferred io support in drm_fb_helper which mirrors the
one qxl has had.
This patch has only been compile tested.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461856717-6476-7-git-send-email-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes
2016-04-28 17:18:36 +02:00
committed by Daniel Vetter
parent 199c77179c
commit 6819c3c251
4 changed files with 65 additions and 178 deletions
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9
drivers/gpu/drm/qxl/qxl_display.c
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@@ -460,7 +460,7 @@ static const struct drm_crtc_funcs qxl_crtc_funcs = {
.page_flip = qxl_crtc_page_flip,
};
static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
@@ -522,12 +522,13 @@ int
qxl_framebuffer_init(struct drm_device *dev,
struct qxl_framebuffer *qfb,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj)
struct drm_gem_object *obj,
const struct drm_framebuffer_funcs *funcs)
{
int ret;
qfb->obj = obj;
ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
ret = drm_framebuffer_init(dev, &qfb->base, funcs);
if (ret) {
qfb->obj = NULL;
return ret;
@@ -994,7 +995,7 @@ qxl_user_framebuffer_create(struct drm_device *dev,
if (qxl_fb == NULL)
return NULL;
ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs);
if (ret) {
kfree(qxl_fb);
drm_gem_object_unreference_unlocked(obj);