2011-10-04 04:19:01 -06:00
|
|
|
/* exynos_drm_crtc.c
|
|
|
|
*
|
|
|
|
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
|
|
|
|
* Authors:
|
|
|
|
* Inki Dae <inki.dae@samsung.com>
|
|
|
|
* Joonyoung Shim <jy0922.shim@samsung.com>
|
|
|
|
* Seung-Woo Kim <sw0312.kim@samsung.com>
|
|
|
|
*
|
2012-12-17 10:30:17 -07:00
|
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
|
|
* under the terms of the GNU General Public License as published by the
|
|
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
|
|
* option) any later version.
|
2011-10-04 04:19:01 -06:00
|
|
|
*/
|
|
|
|
|
2012-10-02 11:01:07 -06:00
|
|
|
#include <drm/drmP.h>
|
|
|
|
#include <drm/drm_crtc_helper.h>
|
2011-10-04 04:19:01 -06:00
|
|
|
|
|
|
|
#include "exynos_drm_drv.h"
|
|
|
|
#include "exynos_drm_encoder.h"
|
2012-06-26 23:27:04 -06:00
|
|
|
#include "exynos_drm_plane.h"
|
2011-10-04 04:19:01 -06:00
|
|
|
|
|
|
|
#define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\
|
|
|
|
drm_crtc)
|
|
|
|
|
2012-06-26 23:27:11 -06:00
|
|
|
enum exynos_crtc_mode {
|
|
|
|
CRTC_MODE_NORMAL, /* normal mode */
|
|
|
|
CRTC_MODE_BLANK, /* The private plane of crtc is blank */
|
|
|
|
};
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
/*
|
|
|
|
* Exynos specific crtc structure.
|
|
|
|
*
|
|
|
|
* @drm_crtc: crtc object.
|
2012-06-26 23:27:04 -06:00
|
|
|
* @drm_plane: pointer of private plane object for this crtc
|
2011-10-04 04:19:01 -06:00
|
|
|
* @pipe: a crtc index created at load() with a new crtc object creation
|
|
|
|
* and the crtc object would be set to private->crtc array
|
|
|
|
* to get a crtc object corresponding to this pipe from private->crtc
|
|
|
|
* array when irq interrupt occured. the reason of using this pipe is that
|
|
|
|
* drm framework doesn't support multiple irq yet.
|
|
|
|
* we can refer to the crtc to current hardware interrupt occured through
|
|
|
|
* this pipe value.
|
2011-12-05 19:06:54 -07:00
|
|
|
* @dpms: store the crtc dpms value
|
2012-06-26 23:27:11 -06:00
|
|
|
* @mode: store the crtc mode value
|
2011-10-04 04:19:01 -06:00
|
|
|
*/
|
|
|
|
struct exynos_drm_crtc {
|
|
|
|
struct drm_crtc drm_crtc;
|
2012-06-26 23:27:04 -06:00
|
|
|
struct drm_plane *plane;
|
2011-10-04 04:19:01 -06:00
|
|
|
unsigned int pipe;
|
2011-12-05 19:06:54 -07:00
|
|
|
unsigned int dpms;
|
2012-06-26 23:27:11 -06:00
|
|
|
enum exynos_crtc_mode mode;
|
2011-10-04 04:19:01 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
|
|
|
|
{
|
2011-11-04 02:04:45 -06:00
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
2011-10-04 04:19:01 -06:00
|
|
|
|
2011-11-04 02:04:45 -06:00
|
|
|
DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
|
|
|
|
|
2011-12-05 19:06:54 -07:00
|
|
|
if (exynos_crtc->dpms == mode) {
|
|
|
|
DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2012-06-26 23:27:09 -06:00
|
|
|
exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
|
|
|
|
exynos_crtc->dpms = mode;
|
2011-10-04 04:19:01 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
|
|
|
|
{
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
|
|
|
/* drm framework doesn't check NULL. */
|
|
|
|
}
|
|
|
|
|
|
|
|
static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
|
|
|
|
{
|
2011-11-04 02:04:45 -06:00
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
2012-08-20 06:29:25 -06:00
|
|
|
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
|
2012-06-26 23:27:05 -06:00
|
|
|
exynos_plane_commit(exynos_crtc->plane);
|
2012-06-26 23:27:09 -06:00
|
|
|
exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON);
|
2011-10-04 04:19:01 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
|
|
|
exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
|
2012-07-17 09:56:50 -06:00
|
|
|
const struct drm_display_mode *mode,
|
2011-10-04 04:19:01 -06:00
|
|
|
struct drm_display_mode *adjusted_mode)
|
|
|
|
{
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
|
|
|
/* drm framework doesn't check NULL */
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
|
|
|
|
struct drm_display_mode *adjusted_mode, int x, int y,
|
|
|
|
struct drm_framebuffer *old_fb)
|
|
|
|
{
|
2012-06-26 23:27:01 -06:00
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
2012-06-26 23:27:05 -06:00
|
|
|
struct drm_plane *plane = exynos_crtc->plane;
|
|
|
|
unsigned int crtc_w;
|
|
|
|
unsigned int crtc_h;
|
2012-06-26 23:27:02 -06:00
|
|
|
int pipe = exynos_crtc->pipe;
|
2012-06-26 23:27:01 -06:00
|
|
|
int ret;
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
2012-03-16 03:47:04 -06:00
|
|
|
/*
|
|
|
|
* copy the mode data adjusted by mode_fixup() into crtc->mode
|
|
|
|
* so that hardware can be seet to proper mode.
|
|
|
|
*/
|
|
|
|
memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
|
2011-10-04 04:19:01 -06:00
|
|
|
|
2012-06-26 23:27:05 -06:00
|
|
|
crtc_w = crtc->fb->width - x;
|
|
|
|
crtc_h = crtc->fb->height - y;
|
|
|
|
|
|
|
|
ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
|
|
|
|
x, y, crtc_w, crtc_h);
|
2012-06-26 23:27:01 -06:00
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
2012-06-26 23:27:05 -06:00
|
|
|
plane->crtc = crtc;
|
|
|
|
plane->fb = crtc->fb;
|
|
|
|
|
2012-06-26 23:27:02 -06:00
|
|
|
exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe);
|
2012-06-26 23:27:01 -06:00
|
|
|
|
|
|
|
return 0;
|
2011-10-04 04:19:01 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
|
|
|
|
struct drm_framebuffer *old_fb)
|
|
|
|
{
|
2012-06-26 23:27:05 -06:00
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
struct drm_plane *plane = exynos_crtc->plane;
|
|
|
|
unsigned int crtc_w;
|
|
|
|
unsigned int crtc_h;
|
2011-10-04 04:19:01 -06:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
2012-09-13 22:29:47 -06:00
|
|
|
/* when framebuffer changing is requested, crtc's dpms should be on */
|
|
|
|
if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
|
|
|
|
DRM_ERROR("failed framebuffer changing request.\n");
|
|
|
|
return -EPERM;
|
|
|
|
}
|
|
|
|
|
2012-06-26 23:27:05 -06:00
|
|
|
crtc_w = crtc->fb->width - x;
|
|
|
|
crtc_h = crtc->fb->height - y;
|
|
|
|
|
|
|
|
ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
|
|
|
|
x, y, crtc_w, crtc_h);
|
2011-10-04 04:19:01 -06:00
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
2012-06-26 23:27:07 -06:00
|
|
|
exynos_drm_crtc_commit(crtc);
|
2011-10-04 04:19:01 -06:00
|
|
|
|
2012-06-26 23:27:05 -06:00
|
|
|
return 0;
|
2011-10-04 04:19:01 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc)
|
|
|
|
{
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
/* drm framework doesn't check NULL */
|
|
|
|
}
|
|
|
|
|
2012-06-26 23:27:10 -06:00
|
|
|
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
|
|
|
|
{
|
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
|
|
|
exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF);
|
|
|
|
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
|
|
|
|
}
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
|
|
|
|
.dpms = exynos_drm_crtc_dpms,
|
|
|
|
.prepare = exynos_drm_crtc_prepare,
|
|
|
|
.commit = exynos_drm_crtc_commit,
|
|
|
|
.mode_fixup = exynos_drm_crtc_mode_fixup,
|
|
|
|
.mode_set = exynos_drm_crtc_mode_set,
|
|
|
|
.mode_set_base = exynos_drm_crtc_mode_set_base,
|
|
|
|
.load_lut = exynos_drm_crtc_load_lut,
|
2012-06-26 23:27:10 -06:00
|
|
|
.disable = exynos_drm_crtc_disable,
|
2011-10-04 04:19:01 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
|
|
|
|
struct drm_framebuffer *fb,
|
|
|
|
struct drm_pending_vblank_event *event)
|
|
|
|
{
|
|
|
|
struct drm_device *dev = crtc->dev;
|
|
|
|
struct exynos_drm_private *dev_priv = dev->dev_private;
|
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
struct drm_framebuffer *old_fb = crtc->fb;
|
|
|
|
int ret = -EINVAL;
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
2012-09-11 03:25:21 -06:00
|
|
|
/* when the page flip is requested, crtc's dpms should be on */
|
|
|
|
if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
|
|
|
|
DRM_ERROR("failed page flip request.\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
|
2011-10-13 22:29:51 -06:00
|
|
|
if (event) {
|
|
|
|
/*
|
|
|
|
* the pipe from user always is 0 so we can set pipe number
|
|
|
|
* of current owner to event.
|
|
|
|
*/
|
|
|
|
event->pipe = exynos_crtc->pipe;
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
ret = drm_vblank_get(dev, exynos_crtc->pipe);
|
|
|
|
if (ret) {
|
|
|
|
DRM_DEBUG("failed to acquire vblank counter\n");
|
2011-10-13 22:29:51 -06:00
|
|
|
list_del(&event->base.link);
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
2012-11-02 05:30:47 -06:00
|
|
|
spin_lock_irq(&dev->event_lock);
|
2012-02-14 19:25:20 -07:00
|
|
|
list_add_tail(&event->base.link,
|
|
|
|
&dev_priv->pageflip_event_list);
|
2012-11-02 05:30:47 -06:00
|
|
|
spin_unlock_irq(&dev->event_lock);
|
2012-02-14 19:25:20 -07:00
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
crtc->fb = fb;
|
2012-06-26 23:27:05 -06:00
|
|
|
ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y,
|
|
|
|
NULL);
|
2011-10-04 04:19:01 -06:00
|
|
|
if (ret) {
|
|
|
|
crtc->fb = old_fb;
|
2012-11-02 05:30:47 -06:00
|
|
|
|
|
|
|
spin_lock_irq(&dev->event_lock);
|
2011-10-04 04:19:01 -06:00
|
|
|
drm_vblank_put(dev, exynos_crtc->pipe);
|
2011-10-13 22:29:51 -06:00
|
|
|
list_del(&event->base.link);
|
2012-11-02 05:30:47 -06:00
|
|
|
spin_unlock_irq(&dev->event_lock);
|
2011-10-04 04:19:01 -06:00
|
|
|
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
out:
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
|
|
|
|
{
|
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
struct exynos_drm_private *private = crtc->dev->dev_private;
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
|
|
|
private->crtc[exynos_crtc->pipe] = NULL;
|
|
|
|
|
|
|
|
drm_crtc_cleanup(crtc);
|
|
|
|
kfree(exynos_crtc);
|
|
|
|
}
|
|
|
|
|
2012-06-26 23:27:11 -06:00
|
|
|
static int exynos_drm_crtc_set_property(struct drm_crtc *crtc,
|
|
|
|
struct drm_property *property,
|
|
|
|
uint64_t val)
|
|
|
|
{
|
|
|
|
struct drm_device *dev = crtc->dev;
|
|
|
|
struct exynos_drm_private *dev_priv = dev->dev_private;
|
|
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __func__);
|
|
|
|
|
|
|
|
if (property == dev_priv->crtc_mode_property) {
|
|
|
|
enum exynos_crtc_mode mode = val;
|
|
|
|
|
|
|
|
if (mode == exynos_crtc->mode)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
exynos_crtc->mode = mode;
|
|
|
|
|
|
|
|
switch (mode) {
|
|
|
|
case CRTC_MODE_NORMAL:
|
|
|
|
exynos_drm_crtc_commit(crtc);
|
|
|
|
break;
|
|
|
|
case CRTC_MODE_BLANK:
|
|
|
|
exynos_plane_dpms(exynos_crtc->plane,
|
|
|
|
DRM_MODE_DPMS_OFF);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
static struct drm_crtc_funcs exynos_crtc_funcs = {
|
|
|
|
.set_config = drm_crtc_helper_set_config,
|
|
|
|
.page_flip = exynos_drm_crtc_page_flip,
|
|
|
|
.destroy = exynos_drm_crtc_destroy,
|
2012-06-26 23:27:11 -06:00
|
|
|
.set_property = exynos_drm_crtc_set_property,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct drm_prop_enum_list mode_names[] = {
|
|
|
|
{ CRTC_MODE_NORMAL, "normal" },
|
|
|
|
{ CRTC_MODE_BLANK, "blank" },
|
2011-10-04 04:19:01 -06:00
|
|
|
};
|
|
|
|
|
2012-06-26 23:27:11 -06:00
|
|
|
static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc)
|
|
|
|
{
|
|
|
|
struct drm_device *dev = crtc->dev;
|
|
|
|
struct exynos_drm_private *dev_priv = dev->dev_private;
|
|
|
|
struct drm_property *prop;
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __func__);
|
|
|
|
|
|
|
|
prop = dev_priv->crtc_mode_property;
|
|
|
|
if (!prop) {
|
|
|
|
prop = drm_property_create_enum(dev, 0, "mode", mode_names,
|
|
|
|
ARRAY_SIZE(mode_names));
|
|
|
|
if (!prop)
|
|
|
|
return;
|
|
|
|
|
|
|
|
dev_priv->crtc_mode_property = prop;
|
|
|
|
}
|
|
|
|
|
|
|
|
drm_object_attach_property(&crtc->base, prop, 0);
|
|
|
|
}
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
|
|
|
|
{
|
|
|
|
struct exynos_drm_crtc *exynos_crtc;
|
|
|
|
struct exynos_drm_private *private = dev->dev_private;
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
|
|
|
exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL);
|
|
|
|
if (!exynos_crtc) {
|
|
|
|
DRM_ERROR("failed to allocate exynos crtc\n");
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
exynos_crtc->pipe = nr;
|
2011-12-05 19:06:54 -07:00
|
|
|
exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
|
2012-06-26 23:27:04 -06:00
|
|
|
exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true);
|
|
|
|
if (!exynos_crtc->plane) {
|
|
|
|
kfree(exynos_crtc);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
crtc = &exynos_crtc->drm_crtc;
|
|
|
|
|
|
|
|
private->crtc[nr] = crtc;
|
|
|
|
|
|
|
|
drm_crtc_init(dev, crtc, &exynos_crtc_funcs);
|
|
|
|
drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
|
|
|
|
|
2012-06-26 23:27:11 -06:00
|
|
|
exynos_drm_crtc_attach_mode_property(crtc);
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc)
|
|
|
|
{
|
|
|
|
struct exynos_drm_private *private = dev->dev_private;
|
2011-12-05 19:06:54 -07:00
|
|
|
struct exynos_drm_crtc *exynos_crtc =
|
|
|
|
to_exynos_crtc(private->crtc[crtc]);
|
2011-10-04 04:19:01 -06:00
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
2011-12-05 19:06:54 -07:00
|
|
|
if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
|
|
|
|
return -EPERM;
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
|
|
|
|
exynos_drm_enable_vblank);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc)
|
|
|
|
{
|
|
|
|
struct exynos_drm_private *private = dev->dev_private;
|
2011-12-05 19:06:54 -07:00
|
|
|
struct exynos_drm_crtc *exynos_crtc =
|
|
|
|
to_exynos_crtc(private->crtc[crtc]);
|
2011-10-04 04:19:01 -06:00
|
|
|
|
|
|
|
DRM_DEBUG_KMS("%s\n", __FILE__);
|
|
|
|
|
2011-12-05 19:06:54 -07:00
|
|
|
if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
|
|
|
|
return;
|
|
|
|
|
2011-10-04 04:19:01 -06:00
|
|
|
exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
|
|
|
|
exynos_drm_disable_vblank);
|
|
|
|
}
|
2013-01-03 03:44:04 -07:00
|
|
|
|
|
|
|
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);
|
|
|
|
}
|