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drm/exynos: move finish page flip to a common place 

This patch implements the exynos_drm_crtc_finish_pageflip in
exynos_drm_crtc.c. This avoids the duplication of same code
in mixer, fimd and vidi.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Stephane Marchesin <marcheu@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Rahul Sharma 2013-01-03 05:44:04 -05:00 committed by Inki Dae
parent 28998afa13
commit 663d876670
5 changed files with 36 additions and 88 deletions
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30
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -393,3 +393,33 @@ void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc)
exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
exynos_drm_disable_vblank);
}
void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc)
{
struct exynos_drm_private *dev_priv = dev->dev_private;
struct drm_pending_vblank_event *e, *t;
struct timeval now;
unsigned long flags;
DRM_DEBUG_KMS("%s\n", __FILE__);
spin_lock_irqsave(&dev->event_lock, flags);
list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
base.link) {
/* if event's pipe isn't same as crtc then ignore it. */
if (crtc != e->pipe)
continue;
do_gettimeofday(&now);
e->event.sequence = 0;
e->event.tv_sec = now.tv_sec;
e->event.tv_usec = now.tv_usec;
list_move_tail(&e->base.link, &e->base.file_priv->event_list);
wake_up_interruptible(&e->base.file_priv->event_wait);
drm_vblank_put(dev, crtc);
}
spin_unlock_irqrestore(&dev->event_lock, flags);
}

1
drivers/gpu/drm/exynos/exynos_drm_crtc.h
View File

@ -18,5 +18,6 @@
int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc);
#endif

30
drivers/gpu/drm/exynos/exynos_drm_fimd.c
View File

@ -663,34 +663,6 @@ static struct exynos_drm_manager fimd_manager = {
.display_ops = &fimd_display_ops,
};
static void fimd_finish_pageflip(struct drm_device *drm_dev, int crtc)
{
struct exynos_drm_private *dev_priv = drm_dev->dev_private;
struct drm_pending_vblank_event *e, *t;
struct timeval now;
unsigned long flags;
spin_lock_irqsave(&drm_dev->event_lock, flags);
list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
base.link) {
/* if event's pipe isn't same as crtc then ignore it. */
if (crtc != e->pipe)
continue;
do_gettimeofday(&now);
e->event.sequence = 0;
e->event.tv_sec = now.tv_sec;
e->event.tv_usec = now.tv_usec;
list_move_tail(&e->base.link, &e->base.file_priv->event_list);
wake_up_interruptible(&e->base.file_priv->event_wait);
drm_vblank_put(drm_dev, crtc);
}
spin_unlock_irqrestore(&drm_dev->event_lock, flags);
}
static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
{
struct fimd_context *ctx = (struct fimd_context *)dev_id;
@ -710,7 +682,7 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
goto out;
drm_handle_vblank(drm_dev, manager->pipe);
fimd_finish_pageflip(drm_dev, manager->pipe);
exynos_drm_crtc_finish_pageflip(drm_dev, manager->pipe);
/* set wait vsync event to zero and wake up queue. */
if (atomic_read(&ctx->wait_vsync_event)) {

30
drivers/gpu/drm/exynos/exynos_drm_vidi.c
View File

@ -372,34 +372,6 @@ static struct exynos_drm_manager vidi_manager = {
.display_ops = &vidi_display_ops,
};
static void vidi_finish_pageflip(struct drm_device *drm_dev, int crtc)
{
struct exynos_drm_private *dev_priv = drm_dev->dev_private;
struct drm_pending_vblank_event *e, *t;
struct timeval now;
unsigned long flags;
spin_lock_irqsave(&drm_dev->event_lock, flags);
list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
base.link) {
/* if event's pipe isn't same as crtc then ignore it. */
if (crtc != e->pipe)
continue;
do_gettimeofday(&now);
e->event.sequence = 0;
e->event.tv_sec = now.tv_sec;
e->event.tv_usec = now.tv_usec;
list_move_tail(&e->base.link, &e->base.file_priv->event_list);
wake_up_interruptible(&e->base.file_priv->event_wait);
drm_vblank_put(drm_dev, crtc);
}
spin_unlock_irqrestore(&drm_dev->event_lock, flags);
}
static void vidi_fake_vblank_handler(struct work_struct *work)
{
struct vidi_context *ctx = container_of(work, struct vidi_context,
@ -424,7 +396,7 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
mutex_unlock(&ctx->lock);
vidi_finish_pageflip(subdrv->drm_dev, manager->pipe);
exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe);
}
static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)

33
drivers/gpu/drm/exynos/exynos_mixer.c
View File

@ -35,6 +35,7 @@
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_hdmi.h"
#include "exynos_drm_iommu.h"
@ -949,35 +950,6 @@ static struct exynos_mixer_ops mixer_ops = {
.win_disable = mixer_win_disable,
};
/* for pageflip event */
static void mixer_finish_pageflip(struct drm_device *drm_dev, int crtc)
{
struct exynos_drm_private *dev_priv = drm_dev->dev_private;
struct drm_pending_vblank_event *e, *t;
struct timeval now;
unsigned long flags;
spin_lock_irqsave(&drm_dev->event_lock, flags);
list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
base.link) {
/* if event's pipe isn't same as crtc then ignore it. */
if (crtc != e->pipe)
continue;
do_gettimeofday(&now);
e->event.sequence = 0;
e->event.tv_sec = now.tv_sec;
e->event.tv_usec = now.tv_usec;
list_move_tail(&e->base.link, &e->base.file_priv->event_list);
wake_up_interruptible(&e->base.file_priv->event_wait);
drm_vblank_put(drm_dev, crtc);
}
spin_unlock_irqrestore(&drm_dev->event_lock, flags);
}
static irqreturn_t mixer_irq_handler(int irq, void *arg)
{
struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg;
@ -1006,7 +978,8 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg)
}
drm_handle_vblank(drm_hdmi_ctx->drm_dev, ctx->pipe);
mixer_finish_pageflip(drm_hdmi_ctx->drm_dev, ctx->pipe);
exynos_drm_crtc_finish_pageflip(drm_hdmi_ctx->drm_dev,
ctx->pipe);
/* set wait vsync event to zero and wake up queue. */
if (atomic_read(&ctx->wait_vsync_event)) {