From: Zhao Junwang <zhjw...@gmail.com>

PageFlips now use the atomic helper to work through the atomic
modesetting API.

v2: -Since driver is now fully atomic, we should add DRIVER_ATOMIC
     to .driver_features.

Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Signed-off-by: Zhao Junwang <zhjwpku at gmail.com>
---
 drivers/gpu/drm/bochs/bochs_drv.c |    2 +-
 drivers/gpu/drm/bochs/bochs_kms.c |   22 +---------------------
 2 files changed, 2 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs_drv.c 
b/drivers/gpu/drm/bochs/bochs_drv.c
index 98837bd..fc31643 100644
--- a/drivers/gpu/drm/bochs/bochs_drv.c
+++ b/drivers/gpu/drm/bochs/bochs_drv.c
@@ -79,7 +79,7 @@ static const struct file_operations bochs_fops = {
 };

 static struct drm_driver bochs_driver = {
-       .driver_features        = DRIVER_GEM | DRIVER_MODESET,
+       .driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
        .load                   = bochs_load,
        .unload                 = bochs_unload,
        .set_busid              = drm_pci_set_busid,
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c 
b/drivers/gpu/drm/bochs/bochs_kms.c
index f0e93e1..599f367 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -59,32 +59,12 @@ static void bochs_crtc_gamma_set(struct drm_crtc *crtc, u16 
*red, u16 *green,
 {
 }

-static int bochs_crtc_page_flip(struct drm_crtc *crtc,
-                               struct drm_framebuffer *fb,
-                               struct drm_pending_vblank_event *event,
-                               uint32_t page_flip_flags)
-{
-       struct bochs_device *bochs =
-               container_of(crtc, struct bochs_device, crtc);
-       struct drm_framebuffer *old_fb = crtc->primary->fb;
-       unsigned long irqflags;
-
-       crtc->primary->fb = fb;
-       drm_helper_crtc_mode_set_base(crtc, 0, 0, old_fb);
-       if (event) {
-               spin_lock_irqsave(&bochs->dev->event_lock, irqflags);
-               drm_send_vblank_event(bochs->dev, -1, event);
-               spin_unlock_irqrestore(&bochs->dev->event_lock, irqflags);
-       }
-       return 0;
-}
-
 /* These provide the minimum set of functions required to handle a CRTC */
 static const struct drm_crtc_funcs bochs_crtc_funcs = {
        .gamma_set = bochs_crtc_gamma_set,
        .set_config = drm_atomic_helper_set_config,
        .destroy = drm_crtc_cleanup,
-       .page_flip = bochs_crtc_page_flip,
+       .page_flip = drm_atomic_helper_page_flip,
        .reset = drm_atomic_helper_crtc_reset,
        .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
-- 
1.7.10.4


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