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Subject[PATCH 1/2] staging: vboxvideo: Pass a new framebuffer to vbox_crtc_do_set_base
Date
This modifies vbox_crtc_do_set_base() to take a new framebuffer to
be activated, instead of the existing framebuffer attached to the crtc.
This change allows the function to be given the new framebuffer from
a page-flip request.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
drivers/staging/vboxvideo/vbox_mode.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c
index b265fe9..688e80d 100644
--- a/drivers/staging/vboxvideo/vbox_mode.c
+++ b/drivers/staging/vboxvideo/vbox_mode.c
@@ -222,7 +222,9 @@ static bool vbox_set_up_input_mapping(struct vbox_private *vbox)
}

static int vbox_crtc_do_set_base(struct drm_crtc *crtc,
- struct drm_framebuffer *old_fb, int x, int y)
+ struct drm_framebuffer *old_fb,
+ struct drm_framebuffer *new_fb,
+ int x, int y)
{
struct vbox_private *vbox = crtc->dev->dev_private;
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
@@ -245,7 +247,7 @@ static int vbox_crtc_do_set_base(struct drm_crtc *crtc,
vbox_bo_unreserve(bo);
}

- vbox_fb = to_vbox_framebuffer(CRTC_FB(crtc));
+ vbox_fb = to_vbox_framebuffer(new_fb);
obj = vbox_fb->obj;
bo = gem_to_vbox_bo(obj);

@@ -281,7 +283,7 @@ static int vbox_crtc_do_set_base(struct drm_crtc *crtc,
static int vbox_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
- return vbox_crtc_do_set_base(crtc, old_fb, x, y);
+ return vbox_crtc_do_set_base(crtc, old_fb, CRTC_FB(crtc), x, y);
}

static int vbox_crtc_mode_set(struct drm_crtc *crtc,
--
2.7.4
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