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| author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-07-07 17:56:20 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2017-12-08 15:17:23 +0300 |
| commit | 2839d45c7d92a521364347dbd023d218a5913e26 (patch) | |
| tree | 1b4db4aeca88a1029f7b577bd8e767e71c3d7c86 /drivers/gpu/drm/armada/armada_crtc.c | |
| parent | eaab01307554175a004ad60728beb691cc841a8c (diff) | |
| download | linux-2839d45c7d92a521364347dbd023d218a5913e26.tar.xz | |
drm/armada: add work cancel callback
Add a work cancel callback, so that work items can add functionality to
clean themselves up when they are cancelled.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/armada/armada_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/armada/armada_crtc.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 4d3db441466e..f10ab0275ce7 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -216,6 +216,19 @@ static unsigned armada_drm_crtc_calc_fb(struct drm_framebuffer *fb, return i; } +static void armada_drm_plane_work_call(struct armada_crtc *dcrtc, + struct armada_plane_work *work, + void (*fn)(struct armada_crtc *, struct armada_plane_work *)) +{ + struct armada_plane *dplane = drm_to_armada_plane(work->plane); + + if (fn) + fn(dcrtc, work); + drm_crtc_vblank_put(&dcrtc->crtc); + + wake_up(&dplane->frame_wait); +} + static void armada_drm_plane_work_run(struct armada_crtc *dcrtc, struct drm_plane *plane) { @@ -223,12 +236,8 @@ static void armada_drm_plane_work_run(struct armada_crtc *dcrtc, struct armada_plane_work *work = xchg(&dplane->work, NULL); /* Handle any pending frame work. */ - if (work) { - work->fn(dcrtc, work); - drm_crtc_vblank_put(&dcrtc->crtc); - } - - wake_up(&dplane->frame_wait); + if (work) + armada_drm_plane_work_call(dcrtc, work, work->fn); } int armada_drm_plane_work_queue(struct armada_crtc *dcrtc, @@ -261,7 +270,7 @@ void armada_drm_plane_work_cancel(struct armada_crtc *dcrtc, struct armada_plane_work *work = xchg(&dplane->work, NULL); if (work) - drm_crtc_vblank_put(&dcrtc->crtc); + armada_drm_plane_work_call(dcrtc, work, work->cancel); } static void armada_drm_crtc_complete_frame_work(struct armada_crtc *dcrtc, |