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drm/armada: add a common frame work allocator

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Add and use a common frame work allocator, initialising the frame work
to a sane state.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2017-07-07 15:55:45 +01:00
parent d3b8421543
commit 901bb88991
1 changed files with 17 additions and 7 deletions
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24
drivers/gpu/drm/armada/armada_crtc.c
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@ -293,6 +293,21 @@ static void armada_drm_crtc_complete_frame_work(struct armada_crtc *dcrtc,
kfree(fwork);
}
static struct armada_frame_work *armada_drm_crtc_alloc_frame_work(void)
{
struct armada_frame_work *work;
int i = 0;
work = kzalloc(sizeof(*work), GFP_KERNEL);
if (!work)
return NULL;
work->work.fn = armada_drm_crtc_complete_frame_work;
armada_reg_queue_end(work->regs, i);
return work;
}
static void armada_drm_crtc_finish_fb(struct armada_crtc *dcrtc,
struct drm_framebuffer *fb, bool force)
{
@ -307,13 +322,9 @@ static void armada_drm_crtc_finish_fb(struct armada_crtc *dcrtc,
return;
}
work = kmalloc(sizeof(*work), GFP_KERNEL);
work = armada_drm_crtc_alloc_frame_work();
if (work) {
int i = 0;
work->work.fn = armada_drm_crtc_complete_frame_work;
work->event = NULL;
work->old_fb = fb;
armada_reg_queue_end(work->regs, i);
if (armada_drm_crtc_queue_frame_work(dcrtc, work) == 0)
return;
@ -1033,11 +1044,10 @@ static int armada_drm_crtc_page_flip(struct drm_crtc *crtc,
if (fb->format != crtc->primary->fb->format)
return -EINVAL;
work = kmalloc(sizeof(*work), GFP_KERNEL);
work = armada_drm_crtc_alloc_frame_work();
if (!work)
return -ENOMEM;
work->work.fn = armada_drm_crtc_complete_frame_work;
work->event = event;
work->old_fb = dcrtc->crtc.primary->fb;