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Commit 40377ef2 authored by Stéphane Marchesin's avatar Stéphane Marchesin Committed by Dave Airlie
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drm/udl: Implement page_flip ioctl 



This is a very crude page_flip implementation for UDL. There are ways
to make it better (make it asynchronous, make it do actual vsynced
flips...) but that's for another patch.

[airlied: fixup primary change]

Signed-off-by: default avatarStéphane Marchesin <marcheu@chromium.org>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 26507b06

drivers/gpu/drm/udl/udl_modeset.c

+21 −0
Original line number Diff line number Diff line
@@ -363,6 +363,26 @@ static void udl_crtc_destroy(struct drm_crtc *crtc) 
	kfree(crtc);

}



static int udl_crtc_page_flip(struct drm_crtc *crtc,

			      struct drm_framebuffer *fb,

			      struct drm_pending_vblank_event *event,

			      uint32_t page_flip_flags)

{

	struct udl_framebuffer *ufb = to_udl_fb(fb);

	struct drm_device *dev = crtc->dev;

	unsigned long flags;



	udl_handle_damage(ufb, 0, 0, fb->width, fb->height);



	spin_lock_irqsave(&dev->event_lock, flags);

	if (event)

		drm_send_vblank_event(dev, 0, event);

	spin_unlock_irqrestore(&dev->event_lock, flags);

	crtc->primary->fb = fb;



	return 0;

}



static void udl_crtc_prepare(struct drm_crtc *crtc)

{

}
@@ -384,6 +404,7 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = { 
static const struct drm_crtc_funcs udl_crtc_funcs = {

	.set_config = drm_crtc_helper_set_config,

	.destroy = udl_crtc_destroy,

	.page_flip = udl_crtc_page_flip,

};



static int udl_crtc_init(struct drm_device *dev)