summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/omapdrm/omap_crtc.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-27 16:32:45 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-27 16:32:45 +0300
commitb3e5ced63e051e8f911b795ac5b06229a5328f7b (patch)
treee63badb76509839ec948431859255923b6e2a09c /drivers/gpu/drm/omapdrm/omap_crtc.c
parente183201b9e917daf2530b637b2f34f1d5afb934d (diff)
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
downloadlinux-b3e5ced63e051e8f911b795ac5b06229a5328f7b.tar.xz
Merge tag 'v4.1-rc1' into patchwork
Linux 4.1-rc1 * tag 'v4.1-rc1': (11651 commits) Linux 4.1-rc1 x86_64, asm: Work around AMD SYSRET SS descriptor attribute issue v4l: xilinx: fix for include file movement platform/chrome: chromeos_laptop - instantiate Atmel at primary address RCU pathwalk breakage when running into a symlink overmounting something fix I_DIO_WAKEUP definition direct-io: only inc/dec inode->i_dio_count for file systems fs/9p: fix readdir() Btrfs: prevent list corruption during free space cache processing toshiba_acpi: Do not register vendor backlight when acpi_video bl is available x86: fix special __probe_kernel_write() tail zeroing case crypto: img-hash - CRYPTO_DEV_IMGTEC_HASH should depend on HAS_DMA crypto: x86/sha512_ssse3 - fixup for asm function prototype change nios2: rework cache nios2: Add types.h header required for __u32 type ALSA: hda - fix headset mic detection problem for one more machine eth: bf609 eth clock: add pclk clock for stmmac driver probe blackfin: Wire up missing syscalls Btrfs: fix inode cache writeout ACPI / scan: Add a scan handler for PRP0001 ...
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_crtc.c')
-rw-r--r--drivers/gpu/drm/omapdrm/omap_crtc.c622
1 files changed, 320 insertions, 302 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index b0566a1ca28f..f456544bf300 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -28,7 +28,6 @@
struct omap_crtc {
struct drm_crtc base;
- struct drm_plane *plane;
const char *name;
int pipe;
@@ -46,7 +45,6 @@ struct omap_crtc {
struct omap_video_timings timings;
bool enabled;
- bool full_update;
struct omap_drm_apply apply;
@@ -74,8 +72,14 @@ struct omap_crtc {
* XXX maybe fold into apply_work??
*/
struct work_struct page_flip_work;
+
+ bool ignore_digit_sync_lost;
};
+/* -----------------------------------------------------------------------------
+ * Helper Functions
+ */
+
uint32_t pipe2vbl(struct drm_crtc *crtc)
{
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
@@ -83,6 +87,22 @@ uint32_t pipe2vbl(struct drm_crtc *crtc)
return dispc_mgr_get_vsync_irq(omap_crtc->channel);
}
+const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc)
+{
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ return &omap_crtc->timings;
+}
+
+enum omap_channel omap_crtc_channel(struct drm_crtc *crtc)
+{
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ return omap_crtc->channel;
+}
+
+/* -----------------------------------------------------------------------------
+ * DSS Manager Functions
+ */
+
/*
* Manager-ops, callbacks from output when they need to configure
* the upstream part of the video pipe.
@@ -122,7 +142,63 @@ static void omap_crtc_start_update(struct omap_overlay_manager *mgr)
{
}
-static void set_enabled(struct drm_crtc *crtc, bool enable);
+/* Called only from CRTC pre_apply and suspend/resume handlers. */
+static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable)
+{
+ struct drm_device *dev = crtc->dev;
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ enum omap_channel channel = omap_crtc->channel;
+ struct omap_irq_wait *wait;
+ u32 framedone_irq, vsync_irq;
+ int ret;
+
+ if (dispc_mgr_is_enabled(channel) == enable)
+ return;
+
+ if (omap_crtc->channel == OMAP_DSS_CHANNEL_DIGIT) {
+ /*
+ * Digit output produces some sync lost interrupts during the
+ * first frame when enabling, so we need to ignore those.
+ */
+ omap_crtc->ignore_digit_sync_lost = true;
+ }
+
+ framedone_irq = dispc_mgr_get_framedone_irq(channel);
+ vsync_irq = dispc_mgr_get_vsync_irq(channel);
+
+ if (enable) {
+ wait = omap_irq_wait_init(dev, vsync_irq, 1);
+ } else {
+ /*
+ * When we disable the digit output, we need to wait for
+ * FRAMEDONE to know that DISPC has finished with the output.
+ *
+ * OMAP2/3 does not have FRAMEDONE irq for digit output, and in
+ * that case we need to use vsync interrupt, and wait for both
+ * even and odd frames.
+ */
+
+ if (framedone_irq)
+ wait = omap_irq_wait_init(dev, framedone_irq, 1);
+ else
+ wait = omap_irq_wait_init(dev, vsync_irq, 2);
+ }
+
+ dispc_mgr_enable(channel, enable);
+
+ ret = omap_irq_wait(dev, wait, msecs_to_jiffies(100));
+ if (ret) {
+ dev_err(dev->dev, "%s: timeout waiting for %s\n",
+ omap_crtc->name, enable ? "enable" : "disable");
+ }
+
+ if (omap_crtc->channel == OMAP_DSS_CHANNEL_DIGIT) {
+ omap_crtc->ignore_digit_sync_lost = false;
+ /* make sure the irq handler sees the value above */
+ mb();
+ }
+}
+
static int omap_crtc_enable(struct omap_overlay_manager *mgr)
{
@@ -131,7 +207,7 @@ static int omap_crtc_enable(struct omap_overlay_manager *mgr)
dispc_mgr_setup(omap_crtc->channel, &omap_crtc->info);
dispc_mgr_set_timings(omap_crtc->channel,
&omap_crtc->timings);
- set_enabled(&omap_crtc->base, true);
+ omap_crtc_set_enabled(&omap_crtc->base, true);
return 0;
}
@@ -140,7 +216,7 @@ static void omap_crtc_disable(struct omap_overlay_manager *mgr)
{
struct omap_crtc *omap_crtc = omap_crtcs[mgr->id];
- set_enabled(&omap_crtc->base, false);
+ omap_crtc_set_enabled(&omap_crtc->base, false);
}
static void omap_crtc_set_timings(struct omap_overlay_manager *mgr,
@@ -149,7 +225,6 @@ static void omap_crtc_set_timings(struct omap_overlay_manager *mgr,
struct omap_crtc *omap_crtc = omap_crtcs[mgr->id];
DBG("%s", omap_crtc->name);
omap_crtc->timings = *timings;
- omap_crtc->full_update = true;
}
static void omap_crtc_set_lcd_config(struct omap_overlay_manager *mgr,
@@ -174,19 +249,201 @@ static void omap_crtc_unregister_framedone_handler(
}
static const struct dss_mgr_ops mgr_ops = {
- .connect = omap_crtc_connect,
- .disconnect = omap_crtc_disconnect,
- .start_update = omap_crtc_start_update,
- .enable = omap_crtc_enable,
- .disable = omap_crtc_disable,
- .set_timings = omap_crtc_set_timings,
- .set_lcd_config = omap_crtc_set_lcd_config,
- .register_framedone_handler = omap_crtc_register_framedone_handler,
- .unregister_framedone_handler = omap_crtc_unregister_framedone_handler,
+ .connect = omap_crtc_connect,
+ .disconnect = omap_crtc_disconnect,
+ .start_update = omap_crtc_start_update,
+ .enable = omap_crtc_enable,
+ .disable = omap_crtc_disable,
+ .set_timings = omap_crtc_set_timings,
+ .set_lcd_config = omap_crtc_set_lcd_config,
+ .register_framedone_handler = omap_crtc_register_framedone_handler,
+ .unregister_framedone_handler = omap_crtc_unregister_framedone_handler,
};
-/*
- * CRTC funcs:
+/* -----------------------------------------------------------------------------
+ * Apply Logic
+ */
+
+static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
+{
+ struct omap_crtc *omap_crtc =
+ container_of(irq, struct omap_crtc, error_irq);
+
+ if (omap_crtc->ignore_digit_sync_lost) {
+ irqstatus &= ~DISPC_IRQ_SYNC_LOST_DIGIT;
+ if (!irqstatus)
+ return;
+ }
+
+ DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_crtc->name, irqstatus);
+}
+
+static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
+{
+ struct omap_crtc *omap_crtc =
+ container_of(irq, struct omap_crtc, apply_irq);
+ struct drm_crtc *crtc = &omap_crtc->base;
+
+ if (!dispc_mgr_go_busy(omap_crtc->channel)) {
+ struct omap_drm_private *priv =
+ crtc->dev->dev_private;
+ DBG("%s: apply done", omap_crtc->name);
+ __omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq);
+ queue_work(priv->wq, &omap_crtc->apply_work);
+ }
+}
+
+static void apply_worker(struct work_struct *work)
+{
+ struct omap_crtc *omap_crtc =
+ container_of(work, struct omap_crtc, apply_work);
+ struct drm_crtc *crtc = &omap_crtc->base;
+ struct drm_device *dev = crtc->dev;
+ struct omap_drm_apply *apply, *n;
+ bool need_apply;
+
+ /*
+ * Synchronize everything on mode_config.mutex, to keep
+ * the callbacks and list modification all serialized
+ * with respect to modesetting ioctls from userspace.
+ */
+ drm_modeset_lock(&crtc->mutex, NULL);
+ dispc_runtime_get();
+
+ /*
+ * If we are still pending a previous update, wait.. when the
+ * pending update completes, we get kicked again.
+ */
+ if (omap_crtc->apply_irq.registered)
+ goto out;
+
+ /* finish up previous apply's: */
+ list_for_each_entry_safe(apply, n,
+ &omap_crtc->pending_applies, pending_node) {
+ apply->post_apply(apply);
+ list_del(&apply->pending_node);
+ }
+
+ need_apply = !list_empty(&omap_crtc->queued_applies);
+
+ /* then handle the next round of of queued apply's: */
+ list_for_each_entry_safe(apply, n,
+ &omap_crtc->queued_applies, queued_node) {
+ apply->pre_apply(apply);
+ list_del(&apply->queued_node);
+ apply->queued = false;
+ list_add_tail(&apply->pending_node,
+ &omap_crtc->pending_applies);
+ }
+
+ if (need_apply) {
+ enum omap_channel channel = omap_crtc->channel;
+
+ DBG("%s: GO", omap_crtc->name);
+
+ if (dispc_mgr_is_enabled(channel)) {
+ dispc_mgr_go(channel);
+ omap_irq_register(dev, &omap_crtc->apply_irq);
+ } else {
+ struct omap_drm_private *priv = dev->dev_private;
+ queue_work(priv->wq, &omap_crtc->apply_work);
+ }
+ }
+
+out:
+ dispc_runtime_put();
+ drm_modeset_unlock(&crtc->mutex);
+}
+
+int omap_crtc_apply(struct drm_crtc *crtc,
+ struct omap_drm_apply *apply)
+{
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+
+ WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
+
+ /* no need to queue it again if it is already queued: */
+ if (apply->queued)
+ return 0;
+
+ apply->queued = true;
+ list_add_tail(&apply->queued_node, &omap_crtc->queued_applies);
+
+ /*
+ * If there are no currently pending updates, then go ahead and
+ * kick the worker immediately, otherwise it will run again when
+ * the current update finishes.
+ */
+ if (list_empty(&omap_crtc->pending_applies)) {
+ struct omap_drm_private *priv = crtc->dev->dev_private;
+ queue_work(priv->wq, &omap_crtc->apply_work);
+ }
+
+ return 0;
+}
+
+static void omap_crtc_pre_apply(struct omap_drm_apply *apply)
+{
+ struct omap_crtc *omap_crtc =
+ container_of(apply, struct omap_crtc, apply);
+ struct drm_crtc *crtc = &omap_crtc->base;
+ struct omap_drm_private *priv = crtc->dev->dev_private;
+ struct drm_encoder *encoder = NULL;
+ unsigned int i;
+
+ DBG("%s: enabled=%d", omap_crtc->name, omap_crtc->enabled);
+
+ for (i = 0; i < priv->num_encoders; i++) {
+ if (priv->encoders[i]->crtc == crtc) {
+ encoder = priv->encoders[i];
+ break;
+ }
+ }
+
+ if (omap_crtc->current_encoder && encoder != omap_crtc->current_encoder)
+ omap_encoder_set_enabled(omap_crtc->current_encoder, false);
+
+ omap_crtc->current_encoder = encoder;
+
+ if (!omap_crtc->enabled) {
+ if (encoder)
+ omap_encoder_set_enabled(encoder, false);
+ } else {
+ if (encoder) {
+ omap_encoder_set_enabled(encoder, false);
+ omap_encoder_update(encoder, omap_crtc->mgr,
+ &omap_crtc->timings);
+ omap_encoder_set_enabled(encoder, true);
+ }
+ }
+}
+
+static void omap_crtc_post_apply(struct omap_drm_apply *apply)
+{
+ /* nothing needed for post-apply */
+}
+
+void omap_crtc_flush(struct drm_crtc *crtc)
+{
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ int loops = 0;
+
+ while (!list_empty(&omap_crtc->pending_applies) ||
+ !list_empty(&omap_crtc->queued_applies) ||
+ omap_crtc->event || omap_crtc->old_fb) {
+
+ if (++loops > 10) {
+ dev_err(crtc->dev->dev,
+ "omap_crtc_flush() timeout\n");
+ break;
+ }
+
+ schedule_timeout_uninterruptible(msecs_to_jiffies(20));
+ }
+}
+
+/* -----------------------------------------------------------------------------
+ * CRTC Functions
*/
static void omap_crtc_destroy(struct drm_crtc *crtc)
@@ -214,17 +471,13 @@ static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
if (enabled != omap_crtc->enabled) {
omap_crtc->enabled = enabled;
- omap_crtc->full_update = true;
omap_crtc_apply(crtc, &omap_crtc->apply);
- /* also enable our private plane: */
- WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
-
- /* and any attached overlay planes: */
+ /* Enable/disable all planes associated with the CRTC. */
for (i = 0; i < priv->num_planes; i++) {
struct drm_plane *plane = priv->planes[i];
if (plane->crtc == crtc)
- WARN_ON(omap_plane_dpms(plane, mode));
+ WARN_ON(omap_plane_set_enable(plane, enabled));
}
}
}
@@ -256,13 +509,17 @@ static int omap_crtc_mode_set(struct drm_crtc *crtc,
mode->type, mode->flags);
copy_timings_drm_to_omap(&omap_crtc->timings, mode);
- omap_crtc->full_update = true;
- return omap_plane_mode_set(omap_crtc->plane, crtc, crtc->primary->fb,
- 0, 0, mode->hdisplay, mode->vdisplay,
- x << 16, y << 16,
- mode->hdisplay << 16, mode->vdisplay << 16,
- NULL, NULL);
+ /*
+ * The primary plane CRTC can be reset if the plane is disabled directly
+ * through the universal plane API. Set it again here.
+ */
+ crtc->primary->crtc = crtc;
+
+ return omap_plane_mode_set(crtc->primary, crtc, crtc->primary->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ x, y, mode->hdisplay, mode->vdisplay,
+ NULL, NULL);
}
static void omap_crtc_prepare(struct drm_crtc *crtc)
@@ -282,15 +539,13 @@ static void omap_crtc_commit(struct drm_crtc *crtc)
static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- struct drm_plane *plane = omap_crtc->plane;
+ struct drm_plane *plane = crtc->primary;
struct drm_display_mode *mode = &crtc->mode;
return omap_plane_mode_set(plane, crtc, crtc->primary->fb,
- 0, 0, mode->hdisplay, mode->vdisplay,
- x << 16, y << 16,
- mode->hdisplay << 16, mode->vdisplay << 16,
- NULL, NULL);
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ x, y, mode->hdisplay, mode->vdisplay,
+ NULL, NULL);
}
static void vblank_cb(void *arg)
@@ -299,6 +554,7 @@ static void vblank_cb(void *arg)
struct drm_device *dev = crtc->dev;
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
unsigned long flags;
+ struct drm_framebuffer *fb;
spin_lock_irqsave(&dev->event_lock, flags);
@@ -306,10 +562,15 @@ static void vblank_cb(void *arg)
if (omap_crtc->event)
drm_send_vblank_event(dev, omap_crtc->pipe, omap_crtc->event);
+ fb = omap_crtc->old_fb;
+
omap_crtc->event = NULL;
omap_crtc->old_fb = NULL;
spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ if (fb)
+ drm_framebuffer_unreference(fb);
}
static void page_flip_worker(struct work_struct *work)
@@ -321,11 +582,10 @@ static void page_flip_worker(struct work_struct *work)
struct drm_gem_object *bo;
drm_modeset_lock(&crtc->mutex, NULL);
- omap_plane_mode_set(omap_crtc->plane, crtc, crtc->primary->fb,
- 0, 0, mode->hdisplay, mode->vdisplay,
- crtc->x << 16, crtc->y << 16,
- mode->hdisplay << 16, mode->vdisplay << 16,
- vblank_cb, crtc);
+ omap_plane_mode_set(crtc->primary, crtc, crtc->primary->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ crtc->x, crtc->y, mode->hdisplay, mode->vdisplay,
+ vblank_cb, crtc);
drm_modeset_unlock(&crtc->mutex);
bo = omap_framebuffer_bo(crtc->primary->fb, 0);
@@ -361,11 +621,12 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
if (omap_crtc->old_fb) {
spin_unlock_irqrestore(&dev->event_lock, flags);
dev_err(dev->dev, "already a pending flip\n");
- return -EINVAL;
+ return -EBUSY;
}
omap_crtc->event = event;
omap_crtc->old_fb = primary->fb = fb;
+ drm_framebuffer_reference(omap_crtc->old_fb);
spin_unlock_irqrestore(&dev->event_lock, flags);
@@ -385,7 +646,6 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
static int omap_crtc_set_property(struct drm_crtc *crtc,
struct drm_property *property, uint64_t val)
{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
struct omap_drm_private *priv = crtc->dev->dev_private;
if (property == priv->rotation_prop) {
@@ -393,7 +653,7 @@ static int omap_crtc_set_property(struct drm_crtc *crtc,
!!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270)));
}
- return omap_plane_set_property(omap_crtc->plane, property, val);
+ return omap_plane_set_property(crtc->primary, property, val);
}
static const struct drm_crtc_funcs omap_crtc_funcs = {
@@ -412,256 +672,15 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
.mode_set_base = omap_crtc_mode_set_base,
};
-const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc)
-{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- return &omap_crtc->timings;
-}
-
-enum omap_channel omap_crtc_channel(struct drm_crtc *crtc)
-{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- return omap_crtc->channel;
-}
-
-static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
-{
- struct omap_crtc *omap_crtc =
- container_of(irq, struct omap_crtc, error_irq);
- struct drm_crtc *crtc = &omap_crtc->base;
- DRM_ERROR("%s: errors: %08x\n", omap_crtc->name, irqstatus);
- /* avoid getting in a flood, unregister the irq until next vblank */
- __omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
-}
-
-static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
-{
- struct omap_crtc *omap_crtc =
- container_of(irq, struct omap_crtc, apply_irq);
- struct drm_crtc *crtc = &omap_crtc->base;
-
- if (!omap_crtc->error_irq.registered)
- __omap_irq_register(crtc->dev, &omap_crtc->error_irq);
-
- if (!dispc_mgr_go_busy(omap_crtc->channel)) {
- struct omap_drm_private *priv =
- crtc->dev->dev_private;
- DBG("%s: apply done", omap_crtc->name);
- __omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq);
- queue_work(priv->wq, &omap_crtc->apply_work);
- }
-}
-
-static void apply_worker(struct work_struct *work)
-{
- struct omap_crtc *omap_crtc =
- container_of(work, struct omap_crtc, apply_work);
- struct drm_crtc *crtc = &omap_crtc->base;
- struct drm_device *dev = crtc->dev;
- struct omap_drm_apply *apply, *n;
- bool need_apply;
-
- /*
- * Synchronize everything on mode_config.mutex, to keep
- * the callbacks and list modification all serialized
- * with respect to modesetting ioctls from userspace.
- */
- drm_modeset_lock(&crtc->mutex, NULL);
- dispc_runtime_get();
-
- /*
- * If we are still pending a previous update, wait.. when the
- * pending update completes, we get kicked again.
- */
- if (omap_crtc->apply_irq.registered)
- goto out;
-
- /* finish up previous apply's: */
- list_for_each_entry_safe(apply, n,
- &omap_crtc->pending_applies, pending_node) {
- apply->post_apply(apply);
- list_del(&apply->pending_node);
- }
-
- need_apply = !list_empty(&omap_crtc->queued_applies);
-
- /* then handle the next round of of queued apply's: */
- list_for_each_entry_safe(apply, n,
- &omap_crtc->queued_applies, queued_node) {
- apply->pre_apply(apply);
- list_del(&apply->queued_node);
- apply->queued = false;
- list_add_tail(&apply->pending_node,
- &omap_crtc->pending_applies);
- }
-
- if (need_apply) {
- enum omap_channel channel = omap_crtc->channel;
-
- DBG("%s: GO", omap_crtc->name);
-
- if (dispc_mgr_is_enabled(channel)) {
- omap_irq_register(dev, &omap_crtc->apply_irq);
- dispc_mgr_go(channel);
- } else {
- struct omap_drm_private *priv = dev->dev_private;
- queue_work(priv->wq, &omap_crtc->apply_work);
- }
- }
-
-out:
- dispc_runtime_put();
- drm_modeset_unlock(&crtc->mutex);
-}
-
-int omap_crtc_apply(struct drm_crtc *crtc,
- struct omap_drm_apply *apply)
-{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-
- WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
-
- /* no need to queue it again if it is already queued: */
- if (apply->queued)
- return 0;
-
- apply->queued = true;
- list_add_tail(&apply->queued_node, &omap_crtc->queued_applies);
-
- /*
- * If there are no currently pending updates, then go ahead and
- * kick the worker immediately, otherwise it will run again when
- * the current update finishes.
- */
- if (list_empty(&omap_crtc->pending_applies)) {
- struct omap_drm_private *priv = crtc->dev->dev_private;
- queue_work(priv->wq, &omap_crtc->apply_work);
- }
-
- return 0;
-}
-
-/* called only from apply */
-static void set_enabled(struct drm_crtc *crtc, bool enable)
-{
- struct drm_device *dev = crtc->dev;
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- enum omap_channel channel = omap_crtc->channel;
- struct omap_irq_wait *wait;
- u32 framedone_irq, vsync_irq;
- int ret;
-
- if (dispc_mgr_is_enabled(channel) == enable)
- return;
-
- /*
- * Digit output produces some sync lost interrupts during the first
- * frame when enabling, so we need to ignore those.
- */
- omap_irq_unregister(crtc->dev, &omap_crtc->error_irq);
-
- framedone_irq = dispc_mgr_get_framedone_irq(channel);
- vsync_irq = dispc_mgr_get_vsync_irq(channel);
-
- if (enable) {
- wait = omap_irq_wait_init(dev, vsync_irq, 1);
- } else {
- /*
- * When we disable the digit output, we need to wait for
- * FRAMEDONE to know that DISPC has finished with the output.
- *
- * OMAP2/3 does not have FRAMEDONE irq for digit output, and in
- * that case we need to use vsync interrupt, and wait for both
- * even and odd frames.
- */
-
- if (framedone_irq)
- wait = omap_irq_wait_init(dev, framedone_irq, 1);
- else
- wait = omap_irq_wait_init(dev, vsync_irq, 2);
- }
-
- dispc_mgr_enable(channel, enable);
-
- ret = omap_irq_wait(dev, wait, msecs_to_jiffies(100));
- if (ret) {
- dev_err(dev->dev, "%s: timeout waiting for %s\n",
- omap_crtc->name, enable ? "enable" : "disable");
- }
-
- omap_irq_register(crtc->dev, &omap_crtc->error_irq);
-}
-
-static void omap_crtc_pre_apply(struct omap_drm_apply *apply)
-{
- struct omap_crtc *omap_crtc =
- container_of(apply, struct omap_crtc, apply);
- struct drm_crtc *crtc = &omap_crtc->base;
- struct drm_encoder *encoder = NULL;
-
- DBG("%s: enabled=%d, full=%d", omap_crtc->name,
- omap_crtc->enabled, omap_crtc->full_update);
-
- if (omap_crtc->full_update) {
- struct omap_drm_private *priv = crtc->dev->dev_private;
- int i;
- for (i = 0; i < priv->num_encoders; i++) {
- if (priv->encoders[i]->crtc == crtc) {
- encoder = priv->encoders[i];
- break;
- }
- }
- }
-
- if (omap_crtc->current_encoder && encoder != omap_crtc->current_encoder)
- omap_encoder_set_enabled(omap_crtc->current_encoder, false);
-
- omap_crtc->current_encoder = encoder;
-
- if (!omap_crtc->enabled) {
- if (encoder)
- omap_encoder_set_enabled(encoder, false);
- } else {
- if (encoder) {
- omap_encoder_set_enabled(encoder, false);
- omap_encoder_update(encoder, omap_crtc->mgr,
- &omap_crtc->timings);
- omap_encoder_set_enabled(encoder, true);
- }
- }
-
- omap_crtc->full_update = false;
-}
-
-static void omap_crtc_post_apply(struct omap_drm_apply *apply)
-{
- /* nothing needed for post-apply */
-}
-
-void omap_crtc_flush(struct drm_crtc *crtc)
-{
- struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- int loops = 0;
-
- while (!list_empty(&omap_crtc->pending_applies) ||
- !list_empty(&omap_crtc->queued_applies) ||
- omap_crtc->event || omap_crtc->old_fb) {
-
- if (++loops > 10) {
- dev_err(crtc->dev->dev,
- "omap_crtc_flush() timeout\n");
- break;
- }
-
- schedule_timeout_uninterruptible(msecs_to_jiffies(20));
- }
-}
+/* -----------------------------------------------------------------------------
+ * Init and Cleanup
+ */
static const char *channel_names[] = {
- [OMAP_DSS_CHANNEL_LCD] = "lcd",
- [OMAP_DSS_CHANNEL_DIGIT] = "tv",
- [OMAP_DSS_CHANNEL_LCD2] = "lcd2",
- [OMAP_DSS_CHANNEL_LCD3] = "lcd3",
+ [OMAP_DSS_CHANNEL_LCD] = "lcd",
+ [OMAP_DSS_CHANNEL_DIGIT] = "tv",
+ [OMAP_DSS_CHANNEL_LCD2] = "lcd2",
+ [OMAP_DSS_CHANNEL_LCD3] = "lcd3",
};
void omap_crtc_pre_init(void)
@@ -681,12 +700,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
struct drm_crtc *crtc = NULL;
struct omap_crtc *omap_crtc;
struct omap_overlay_manager_info *info;
+ int ret;
DBG("%s", channel_names[channel]);
omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL);
if (!omap_crtc)
- goto fail;
+ return NULL;
crtc = &omap_crtc->base;
@@ -700,8 +720,6 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
omap_crtc->apply.post_apply = omap_crtc_post_apply;
omap_crtc->channel = channel;
- omap_crtc->plane = plane;
- omap_crtc->plane->crtc = crtc;
omap_crtc->name = channel_names[channel];
omap_crtc->pipe = id;
@@ -723,18 +741,18 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
info->trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
info->trans_enabled = false;
- drm_crtc_init(dev, crtc, &omap_crtc_funcs);
+ ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL,
+ &omap_crtc_funcs);
+ if (ret < 0) {
+ kfree(omap_crtc);
+ return NULL;
+ }
+
drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
- omap_plane_install_properties(omap_crtc->plane, &crtc->base);
+ omap_plane_install_properties(crtc->primary, &crtc->base);
omap_crtcs[channel] = omap_crtc;
return crtc;
-
-fail:
- if (crtc)
- omap_crtc_destroy(crtc);
-
- return NULL;
}