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drm/armada: move vbl code into armada_crtc

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Our vblank event code belongs in armada_crtc.c rather than the core of
the driver.  Move it there.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2015-06-29 17:52:16 +01:00
parent 0fb2970b4b
commit 7c8f7e1abc
4 changed files with 56 additions and 46 deletions
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46
drivers/gpu/drm/armada/armada_crtc.c
View File

@ -173,6 +173,44 @@ static unsigned armada_drm_crtc_calc_fb(struct drm_framebuffer *fb,
return i;
}
void armada_drm_vbl_event_add(struct armada_crtc *dcrtc,
struct armada_vbl_event *evt)
{
unsigned long flags;
bool not_on_list;
WARN_ON(drm_vblank_get(dcrtc->crtc.dev, dcrtc->num));
spin_lock_irqsave(&dcrtc->irq_lock, flags);
not_on_list = list_empty(&evt->node);
if (not_on_list)
list_add_tail(&evt->node, &dcrtc->vbl_list);
spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
if (!not_on_list)
drm_vblank_put(dcrtc->crtc.dev, dcrtc->num);
}
void armada_drm_vbl_event_remove(struct armada_crtc *dcrtc,
struct armada_vbl_event *evt)
{
if (!list_empty(&evt->node)) {
list_del_init(&evt->node);
drm_vblank_put(dcrtc->crtc.dev, dcrtc->num);
}
}
static void armada_drm_vbl_event_run(struct armada_crtc *dcrtc)
{
struct armada_vbl_event *e, *n;
list_for_each_entry_safe(e, n, &dcrtc->vbl_list, node) {
list_del_init(&e->node);
drm_vblank_put(dcrtc->crtc.dev, dcrtc->num);
e->fn(dcrtc, e->data);
}
}
static int armada_drm_crtc_queue_frame_work(struct armada_crtc *dcrtc,
struct armada_frame_work *work)
{
@ -356,7 +394,6 @@ static bool armada_drm_crtc_mode_fixup(struct drm_crtc *crtc,
static void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat)
{
struct armada_vbl_event *e, *n;
void __iomem *base = dcrtc->base;
if (stat & DMA_FF_UNDERFLOW)
@ -368,12 +405,7 @@ static void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat)
drm_handle_vblank(dcrtc->crtc.dev, dcrtc->num);
spin_lock(&dcrtc->irq_lock);
list_for_each_entry_safe(e, n, &dcrtc->vbl_list, node) {
list_del_init(&e->node);
drm_vblank_put(dcrtc->crtc.dev, dcrtc->num);
e->fn(dcrtc, e->data);
}
armada_drm_vbl_event_run(dcrtc);
if (stat & GRA_FRAME_IRQ && dcrtc->interlaced) {
int i = stat & GRA_FRAME_IRQ0 ? 0 : 1;

17
drivers/gpu/drm/armada/armada_crtc.h
View File

@ -75,6 +75,23 @@ struct armada_crtc {
};
#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
struct armada_vbl_event {
struct list_head node;
void *data;
void (*fn)(struct armada_crtc *, void *);
};
void armada_drm_vbl_event_add(struct armada_crtc *,
struct armada_vbl_event *);
void armada_drm_vbl_event_remove(struct armada_crtc *,
struct armada_vbl_event *);
#define armada_drm_vbl_event_init(_e, _f, _d) do { \
struct armada_vbl_event *__e = _e; \
INIT_LIST_HEAD(&__e->node); \
__e->data = _d; \
__e->fn = _f; \
} while (0)
void armada_drm_crtc_gamma_set(struct drm_crtc *, u16, u16, u16, int);
void armada_drm_crtc_gamma_get(struct drm_crtc *, u16 *, u16 *, u16 *, int);
void armada_drm_crtc_disable_irq(struct armada_crtc *, u32);

16
drivers/gpu/drm/armada/armada_drm.h
View File

@ -37,22 +37,6 @@ static inline uint32_t armada_pitch(uint32_t width, uint32_t bpp)
return ALIGN(pitch, 128);
}
struct armada_vbl_event {
struct list_head node;
void *data;
void (*fn)(struct armada_crtc *, void *);
};
void armada_drm_vbl_event_add(struct armada_crtc *,
struct armada_vbl_event *);
void armada_drm_vbl_event_remove(struct armada_crtc *,
struct armada_vbl_event *);
#define armada_drm_vbl_event_init(_e, _f, _d) do { \
struct armada_vbl_event *__e = _e; \
INIT_LIST_HEAD(&__e->node); \
__e->data = _d; \
__e->fn = _f; \
} while (0)
struct armada_private;

23
drivers/gpu/drm/armada/armada_drv.c
View File

@ -148,29 +148,6 @@ static int armada_drm_unload(struct drm_device *dev)
return 0;
}
void armada_drm_vbl_event_add(struct armada_crtc *dcrtc,
struct armada_vbl_event *evt)
{
unsigned long flags;
spin_lock_irqsave(&dcrtc->irq_lock, flags);
if (list_empty(&evt->node)) {
list_add_tail(&evt->node, &dcrtc->vbl_list);
drm_vblank_get(dcrtc->crtc.dev, dcrtc->num);
}
spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
}
void armada_drm_vbl_event_remove(struct armada_crtc *dcrtc,
struct armada_vbl_event *evt)
{
if (!list_empty(&evt->node)) {
list_del_init(&evt->node);
drm_vblank_put(dcrtc->crtc.dev, dcrtc->num);
}
}
/* These are called under the vbl_lock. */
static int armada_drm_enable_vblank(struct drm_device *dev, int crtc)
{