diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
tree | b11842027dc6641da63f4bcc524f8678263304a3 /drivers/gpu/drm/omapdrm | |
parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) |
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_connector.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_crtc.c | 541 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_debugfs.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 21 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.c | 224 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.h | 65 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_encoder.c | 99 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_fb.c | 39 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_fbdev.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem.c | 30 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_irq.c | 106 | ||||
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_plane.c | 444 |
13 files changed, 705 insertions, 894 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 17739737d..83f2a9177 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -17,10 +17,11 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "omap_drv.h" +#include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> -#include "drm_crtc.h" -#include "drm_crtc_helper.h" +#include "omap_drv.h" /* * connector funcs @@ -259,10 +260,13 @@ struct drm_encoder *omap_connector_attached_encoder( } static const struct drm_connector_funcs omap_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, + .reset = drm_atomic_helper_connector_reset, .detect = omap_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = omap_connector_destroy, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static const struct drm_connector_helper_funcs omap_connector_helper_funcs = { diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index f456544bf..23d9c928c 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -17,12 +17,14 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "omap_drv.h" - +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> #include <drm/drm_mode.h> #include <drm/drm_plane_helper.h> -#include "drm_crtc.h" -#include "drm_crtc_helper.h" + +#include "omap_drv.h" #define to_omap_crtc(x) container_of(x, struct omap_crtc, base) @@ -30,10 +32,7 @@ struct omap_crtc { struct drm_crtc base; const char *name; - int pipe; enum omap_channel channel; - struct omap_overlay_manager_info info; - struct drm_encoder *current_encoder; /* * Temporary: eventually this will go away, but it is needed @@ -44,36 +43,14 @@ struct omap_crtc { struct omap_overlay_manager *mgr; struct omap_video_timings timings; - bool enabled; - struct omap_drm_apply apply; - - struct omap_drm_irq apply_irq; + struct omap_drm_irq vblank_irq; struct omap_drm_irq error_irq; - /* list of in-progress apply's: */ - struct list_head pending_applies; - - /* list of queued apply's: */ - struct list_head queued_applies; - - /* for handling queued and in-progress applies: */ - struct work_struct apply_work; - - /* if there is a pending flip, these will be non-null: */ - struct drm_pending_vblank_event *event; - struct drm_framebuffer *old_fb; - - /* for handling page flips without caring about what - * the callback is called from. Possibly we should just - * make omap_gem always call the cb from the worker so - * we don't have to care about this.. - * - * XXX maybe fold into apply_work?? - */ - struct work_struct page_flip_work; - bool ignore_digit_sync_lost; + + bool pending; + wait_queue_head_t pending_wait; }; /* ----------------------------------------------------------------------------- @@ -87,7 +64,7 @@ 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_video_timings *omap_crtc_timings(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); return &omap_crtc->timings; @@ -99,6 +76,15 @@ enum omap_channel omap_crtc_channel(struct drm_crtc *crtc) return omap_crtc->channel; } +int omap_crtc_wait_pending(struct drm_crtc *crtc) +{ + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + + return wait_event_timeout(omap_crtc->pending_wait, + !omap_crtc->pending, + msecs_to_jiffies(50)); +} + /* ----------------------------------------------------------------------------- * DSS Manager Functions */ @@ -116,7 +102,7 @@ enum omap_channel omap_crtc_channel(struct drm_crtc *crtc) static struct omap_crtc *omap_crtcs[8]; /* we can probably ignore these until we support command-mode panels: */ -static int omap_crtc_connect(struct omap_overlay_manager *mgr, +static int omap_crtc_dss_connect(struct omap_overlay_manager *mgr, struct omap_dss_device *dst) { if (mgr->output) @@ -131,18 +117,18 @@ static int omap_crtc_connect(struct omap_overlay_manager *mgr, return 0; } -static void omap_crtc_disconnect(struct omap_overlay_manager *mgr, +static void omap_crtc_dss_disconnect(struct omap_overlay_manager *mgr, struct omap_dss_device *dst) { mgr->output->manager = NULL; mgr->output = NULL; } -static void omap_crtc_start_update(struct omap_overlay_manager *mgr) +static void omap_crtc_dss_start_update(struct omap_overlay_manager *mgr) { } -/* Called only from CRTC pre_apply and suspend/resume handlers. */ +/* Called only from the encoder enable/disable and suspend/resume handlers. */ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) { struct drm_device *dev = crtc->dev; @@ -200,11 +186,18 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) } -static int omap_crtc_enable(struct omap_overlay_manager *mgr) +static int omap_crtc_dss_enable(struct omap_overlay_manager *mgr) { struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; + struct omap_overlay_manager_info info; + + memset(&info, 0, sizeof(info)); + info.default_color = 0x00000000; + info.trans_key = 0x00000000; + info.trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST; + info.trans_enabled = false; - dispc_mgr_setup(omap_crtc->channel, &omap_crtc->info); + dispc_mgr_setup(omap_crtc->channel, &info); dispc_mgr_set_timings(omap_crtc->channel, &omap_crtc->timings); omap_crtc_set_enabled(&omap_crtc->base, true); @@ -212,14 +205,14 @@ static int omap_crtc_enable(struct omap_overlay_manager *mgr) return 0; } -static void omap_crtc_disable(struct omap_overlay_manager *mgr) +static void omap_crtc_dss_disable(struct omap_overlay_manager *mgr) { struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; omap_crtc_set_enabled(&omap_crtc->base, false); } -static void omap_crtc_set_timings(struct omap_overlay_manager *mgr, +static void omap_crtc_dss_set_timings(struct omap_overlay_manager *mgr, const struct omap_video_timings *timings) { struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; @@ -227,7 +220,7 @@ static void omap_crtc_set_timings(struct omap_overlay_manager *mgr, omap_crtc->timings = *timings; } -static void omap_crtc_set_lcd_config(struct omap_overlay_manager *mgr, +static void omap_crtc_dss_set_lcd_config(struct omap_overlay_manager *mgr, const struct dss_lcd_mgr_config *config) { struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; @@ -235,211 +228,99 @@ static void omap_crtc_set_lcd_config(struct omap_overlay_manager *mgr, dispc_mgr_set_lcd_config(omap_crtc->channel, config); } -static int omap_crtc_register_framedone_handler( +static int omap_crtc_dss_register_framedone( struct omap_overlay_manager *mgr, void (*handler)(void *), void *data) { return 0; } -static void omap_crtc_unregister_framedone_handler( +static void omap_crtc_dss_unregister_framedone( struct omap_overlay_manager *mgr, void (*handler)(void *), void *data) { } 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_dss_connect, + .disconnect = omap_crtc_dss_disconnect, + .start_update = omap_crtc_dss_start_update, + .enable = omap_crtc_dss_enable, + .disable = omap_crtc_dss_disable, + .set_timings = omap_crtc_dss_set_timings, + .set_lcd_config = omap_crtc_dss_set_lcd_config, + .register_framedone_handler = omap_crtc_dss_register_framedone, + .unregister_framedone_handler = omap_crtc_dss_unregister_framedone, }; /* ----------------------------------------------------------------------------- - * Apply Logic + * Setup, Flush and Page Flip */ -static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus) +static void omap_crtc_complete_page_flip(struct drm_crtc *crtc) { - 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; - } + struct drm_pending_vblank_event *event; + struct drm_device *dev = crtc->dev; + unsigned long flags; - DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_crtc->name, irqstatus); -} + event = crtc->state->event; -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); - } -} + if (!event) + return; -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; + spin_lock_irqsave(&dev->event_lock, flags); - /* - * 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(); + list_del(&event->base.link); /* - * If we are still pending a previous update, wait.. when the - * pending update completes, we get kicked again. + * Queue the event for delivery if it's still linked to a file + * handle, otherwise just destroy it. */ - 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); + if (event->base.file_priv) + drm_crtc_send_vblank_event(crtc, event); + else + event->base.destroy(&event->base); - /* 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); + spin_unlock_irqrestore(&dev->event_lock, flags); } -int omap_crtc_apply(struct drm_crtc *crtc, - struct omap_drm_apply *apply) +static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus) { - 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); + struct omap_crtc *omap_crtc = + container_of(irq, struct omap_crtc, error_irq); - /* - * 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); + if (omap_crtc->ignore_digit_sync_lost) { + irqstatus &= ~DISPC_IRQ_SYNC_LOST_DIGIT; + if (!irqstatus) + return; } - return 0; + DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_crtc->name, irqstatus); } -static void omap_crtc_pre_apply(struct omap_drm_apply *apply) +static void omap_crtc_vblank_irq(struct omap_drm_irq *irq, uint32_t irqstatus) { 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; + container_of(irq, struct omap_crtc, vblank_irq); + struct drm_device *dev = omap_crtc->base.dev; - 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); - } - } -} + if (dispc_mgr_go_busy(omap_crtc->channel)) + return; -static void omap_crtc_post_apply(struct omap_drm_apply *apply) -{ - /* nothing needed for post-apply */ -} + DBG("%s: apply done", omap_crtc->name); -void omap_crtc_flush(struct drm_crtc *crtc) -{ - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - int loops = 0; + __omap_irq_unregister(dev, &omap_crtc->vblank_irq); - while (!list_empty(&omap_crtc->pending_applies) || - !list_empty(&omap_crtc->queued_applies) || - omap_crtc->event || omap_crtc->old_fb) { + rmb(); + WARN_ON(!omap_crtc->pending); + omap_crtc->pending = false; + wmb(); - if (++loops > 10) { - dev_err(crtc->dev->dev, - "omap_crtc_flush() timeout\n"); - break; - } + /* wake up userspace */ + omap_crtc_complete_page_flip(&omap_crtc->base); - schedule_timeout_uninterruptible(msecs_to_jiffies(20)); - } + /* wake up omap_atomic_complete */ + wake_up(&omap_crtc->pending_wait); } /* ----------------------------------------------------------------------------- @@ -452,7 +333,7 @@ static void omap_crtc_destroy(struct drm_crtc *crtc) DBG("%s", omap_crtc->name); - WARN_ON(omap_crtc->apply_irq.registered); + WARN_ON(omap_crtc->vblank_irq.registered); omap_irq_unregister(crtc->dev, &omap_crtc->error_irq); drm_crtc_cleanup(crtc); @@ -460,28 +341,6 @@ static void omap_crtc_destroy(struct drm_crtc *crtc) kfree(omap_crtc); } -static void omap_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct omap_drm_private *priv = crtc->dev->dev_private; - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - bool enabled = (mode == DRM_MODE_DPMS_ON); - int i; - - DBG("%s: %d", omap_crtc->name, mode); - - if (enabled != omap_crtc->enabled) { - omap_crtc->enabled = enabled; - omap_crtc_apply(crtc, &omap_crtc->apply); - - /* 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_set_enable(plane, enabled)); - } - } -} - static bool omap_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -489,187 +348,127 @@ static bool omap_crtc_mode_fixup(struct drm_crtc *crtc, return true; } -static int omap_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) +static void omap_crtc_enable(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - mode = adjusted_mode; + DBG("%s", omap_crtc->name); - DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", - omap_crtc->name, mode->base.id, mode->name, - mode->vrefresh, mode->clock, - mode->hdisplay, mode->hsync_start, - mode->hsync_end, mode->htotal, - mode->vdisplay, mode->vsync_start, - mode->vsync_end, mode->vtotal, - mode->type, mode->flags); + rmb(); + WARN_ON(omap_crtc->pending); + omap_crtc->pending = true; + wmb(); - copy_timings_drm_to_omap(&omap_crtc->timings, mode); + omap_irq_register(crtc->dev, &omap_crtc->vblank_irq); - /* - * 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); + drm_crtc_vblank_on(crtc); } -static void omap_crtc_prepare(struct drm_crtc *crtc) +static void omap_crtc_disable(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - DBG("%s", omap_crtc->name); - omap_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); -} -static void omap_crtc_commit(struct drm_crtc *crtc) -{ - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); DBG("%s", omap_crtc->name); - omap_crtc_dpms(crtc, DRM_MODE_DPMS_ON); -} - -static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) -{ - 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, y, mode->hdisplay, mode->vdisplay, - NULL, NULL); + drm_crtc_vblank_off(crtc); } -static void vblank_cb(void *arg) +static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) { - struct drm_crtc *crtc = 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); + struct drm_display_mode *mode = &crtc->state->adjusted_mode; - /* wakeup userspace */ - 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); + DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", + omap_crtc->name, mode->base.id, mode->name, + mode->vrefresh, mode->clock, + mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal, + mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal, + mode->type, mode->flags); - if (fb) - drm_framebuffer_unreference(fb); + copy_timings_drm_to_omap(&omap_crtc->timings, mode); } -static void page_flip_worker(struct work_struct *work) +static void omap_crtc_atomic_begin(struct drm_crtc *crtc) { - struct omap_crtc *omap_crtc = - container_of(work, struct omap_crtc, page_flip_work); - struct drm_crtc *crtc = &omap_crtc->base; - struct drm_display_mode *mode = &crtc->mode; - struct drm_gem_object *bo; - - drm_modeset_lock(&crtc->mutex, NULL); - 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); - drm_gem_object_unreference_unlocked(bo); } -static void page_flip_cb(void *arg) +static void omap_crtc_atomic_flush(struct drm_crtc *crtc) { - struct drm_crtc *crtc = arg; struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - struct omap_drm_private *priv = crtc->dev->dev_private; - /* avoid assumptions about what ctxt we are called from: */ - queue_work(priv->wq, &omap_crtc->page_flip_work); -} + WARN_ON(omap_crtc->vblank_irq.registered); -static int omap_crtc_page_flip_locked(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t page_flip_flags) -{ - struct drm_device *dev = crtc->dev; - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - struct drm_plane *primary = crtc->primary; - struct drm_gem_object *bo; - unsigned long flags; + if (dispc_mgr_is_enabled(omap_crtc->channel)) { - DBG("%d -> %d (event=%p)", primary->fb ? primary->fb->base.id : -1, - fb->base.id, event); + DBG("%s: GO", omap_crtc->name); - spin_lock_irqsave(&dev->event_lock, flags); + rmb(); + WARN_ON(omap_crtc->pending); + omap_crtc->pending = true; + wmb(); - if (omap_crtc->old_fb) { - spin_unlock_irqrestore(&dev->event_lock, flags); - dev_err(dev->dev, "already a pending flip\n"); - return -EBUSY; + dispc_mgr_go(omap_crtc->channel); + omap_irq_register(crtc->dev, &omap_crtc->vblank_irq); } - omap_crtc->event = event; - omap_crtc->old_fb = primary->fb = fb; - drm_framebuffer_reference(omap_crtc->old_fb); + crtc->invert_dimensions = !!(crtc->primary->state->rotation & + (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))); +} - spin_unlock_irqrestore(&dev->event_lock, flags); +static int omap_crtc_atomic_set_property(struct drm_crtc *crtc, + struct drm_crtc_state *state, + struct drm_property *property, + uint64_t val) +{ + struct drm_plane_state *plane_state; + struct drm_plane *plane = crtc->primary; /* - * Hold a reference temporarily until the crtc is updated - * and takes the reference to the bo. This avoids it - * getting freed from under us: + * Delegate property set to the primary plane. Get the plane state and + * set the property directly. */ - bo = omap_framebuffer_bo(fb, 0); - drm_gem_object_reference(bo); - omap_gem_op_async(bo, OMAP_GEM_READ, page_flip_cb, crtc); + plane_state = drm_atomic_get_plane_state(state->state, plane); + if (!plane_state) + return -EINVAL; - return 0; + return drm_atomic_plane_set_property(plane, plane_state, property, val); } -static int omap_crtc_set_property(struct drm_crtc *crtc, - struct drm_property *property, uint64_t val) +static int omap_crtc_atomic_get_property(struct drm_crtc *crtc, + const struct drm_crtc_state *state, + struct drm_property *property, + uint64_t *val) { - struct omap_drm_private *priv = crtc->dev->dev_private; - - if (property == priv->rotation_prop) { - crtc->invert_dimensions = - !!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270))); - } - - return omap_plane_set_property(crtc->primary, property, val); + /* + * Delegate property get to the primary plane. The + * drm_atomic_plane_get_property() function isn't exported, but can be + * called through drm_object_property_get_value() as that will call + * drm_atomic_get_property() for atomic drivers. + */ + return drm_object_property_get_value(&crtc->primary->base, property, + val); } static const struct drm_crtc_funcs omap_crtc_funcs = { - .set_config = drm_crtc_helper_set_config, + .reset = drm_atomic_helper_crtc_reset, + .set_config = drm_atomic_helper_set_config, .destroy = omap_crtc_destroy, - .page_flip = omap_crtc_page_flip_locked, - .set_property = omap_crtc_set_property, + .page_flip = drm_atomic_helper_page_flip, + .set_property = drm_atomic_helper_crtc_set_property, + .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, + .atomic_set_property = omap_crtc_atomic_set_property, + .atomic_get_property = omap_crtc_atomic_get_property, }; static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = { - .dpms = omap_crtc_dpms, .mode_fixup = omap_crtc_mode_fixup, - .mode_set = omap_crtc_mode_set, - .prepare = omap_crtc_prepare, - .commit = omap_crtc_commit, - .mode_set_base = omap_crtc_mode_set_base, + .mode_set_nofb = omap_crtc_mode_set_nofb, + .disable = omap_crtc_disable, + .enable = omap_crtc_enable, + .atomic_begin = omap_crtc_atomic_begin, + .atomic_flush = omap_crtc_atomic_flush, }; /* ----------------------------------------------------------------------------- @@ -699,7 +498,6 @@ 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]); @@ -710,21 +508,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, crtc = &omap_crtc->base; - INIT_WORK(&omap_crtc->page_flip_work, page_flip_worker); - INIT_WORK(&omap_crtc->apply_work, apply_worker); - - INIT_LIST_HEAD(&omap_crtc->pending_applies); - INIT_LIST_HEAD(&omap_crtc->queued_applies); - - omap_crtc->apply.pre_apply = omap_crtc_pre_apply; - omap_crtc->apply.post_apply = omap_crtc_post_apply; + init_waitqueue_head(&omap_crtc->pending_wait); omap_crtc->channel = channel; omap_crtc->name = channel_names[channel]; - omap_crtc->pipe = id; - omap_crtc->apply_irq.irqmask = pipe2vbl(crtc); - omap_crtc->apply_irq.irq = omap_crtc_apply_irq; + omap_crtc->vblank_irq.irqmask = pipe2vbl(crtc); + omap_crtc->vblank_irq.irq = omap_crtc_vblank_irq; omap_crtc->error_irq.irqmask = dispc_mgr_get_sync_lost_irq(channel); @@ -734,13 +524,6 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, /* temporary: */ omap_crtc->mgr = omap_dss_get_overlay_manager(channel); - /* TODO: fix hard-coded setup.. add properties! */ - info = &omap_crtc->info; - info->default_color = 0x00000000; - info->trans_key = 0x00000000; - info->trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST; - info->trans_enabled = false; - ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL, &omap_crtc_funcs); if (ret < 0) { diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c index d4c04d69f..ee91a2512 100644 --- a/drivers/gpu/drm/omapdrm/omap_debugfs.c +++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c @@ -17,12 +17,12 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <drm/drm_crtc.h> +#include <drm/drm_fb_helper.h> + #include "omap_drv.h" #include "omap_dmm_tiler.h" -#include "drm_fb_helper.h" - - #ifdef CONFIG_DEBUG_FS static int gem_show(struct seq_file *m, void *arg) diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index 042038e8a..7841970de 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -15,21 +15,22 @@ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ + +#include <linux/completion.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/errno.h> #include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/mm.h> #include <linux/module.h> #include <linux/platform_device.h> /* platform_device() */ -#include <linux/errno.h> #include <linux/sched.h> -#include <linux/wait.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> #include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/mm.h> #include <linux/time.h> -#include <linux/list.h> -#include <linux/completion.h> +#include <linux/vmalloc.h> +#include <linux/wait.h> #include "omap_dmm_tiler.h" #include "omap_dmm_priv.h" @@ -284,7 +285,7 @@ static int dmm_txn_commit(struct dmm_txn *txn, bool wait) if (wait) { if (!wait_for_completion_timeout(&engine->compl, - msecs_to_jiffies(1))) { + msecs_to_jiffies(100))) { dev_err(dmm->dev, "timed out waiting for done\n"); ret = -ETIMEDOUT; } diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 94920d47e..419c2e49a 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -17,11 +17,15 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "omap_drv.h" +#include <linux/wait.h> + +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_fb_helper.h> -#include "drm_crtc_helper.h" -#include "drm_fb_helper.h" #include "omap_dmm_tiler.h" +#include "omap_drv.h" #define DRIVER_NAME MODULE_NAME #define DRIVER_DESC "OMAP DRM" @@ -55,9 +59,153 @@ static void omap_fb_output_poll_changed(struct drm_device *dev) drm_fb_helper_hotplug_event(priv->fbdev); } +struct omap_atomic_state_commit { + struct work_struct work; + struct drm_device *dev; + struct drm_atomic_state *state; + u32 crtcs; +}; + +static void omap_atomic_wait_for_completion(struct drm_device *dev, + struct drm_atomic_state *old_state) +{ + struct drm_crtc_state *old_crtc_state; + struct drm_crtc *crtc; + unsigned int i; + int ret; + + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { + if (!crtc->state->enable) + continue; + + ret = omap_crtc_wait_pending(crtc); + + if (!ret) + dev_warn(dev->dev, + "atomic complete timeout (pipe %u)!\n", i); + } +} + +static void omap_atomic_complete(struct omap_atomic_state_commit *commit) +{ + struct drm_device *dev = commit->dev; + struct omap_drm_private *priv = dev->dev_private; + struct drm_atomic_state *old_state = commit->state; + + /* Apply the atomic update. */ + dispc_runtime_get(); + + drm_atomic_helper_commit_modeset_disables(dev, old_state); + drm_atomic_helper_commit_planes(dev, old_state); + drm_atomic_helper_commit_modeset_enables(dev, old_state); + + omap_atomic_wait_for_completion(dev, old_state); + + drm_atomic_helper_cleanup_planes(dev, old_state); + + dispc_runtime_put(); + + drm_atomic_state_free(old_state); + + /* Complete the commit, wake up any waiter. */ + spin_lock(&priv->commit.lock); + priv->commit.pending &= ~commit->crtcs; + spin_unlock(&priv->commit.lock); + + wake_up_all(&priv->commit.wait); + + kfree(commit); +} + +static void omap_atomic_work(struct work_struct *work) +{ + struct omap_atomic_state_commit *commit = + container_of(work, struct omap_atomic_state_commit, work); + + omap_atomic_complete(commit); +} + +static bool omap_atomic_is_pending(struct omap_drm_private *priv, + struct omap_atomic_state_commit *commit) +{ + bool pending; + + spin_lock(&priv->commit.lock); + pending = priv->commit.pending & commit->crtcs; + spin_unlock(&priv->commit.lock); + + return pending; +} + +static int omap_atomic_commit(struct drm_device *dev, + struct drm_atomic_state *state, bool async) +{ + struct omap_drm_private *priv = dev->dev_private; + struct omap_atomic_state_commit *commit; + unsigned long flags; + unsigned int i; + int ret; + + ret = drm_atomic_helper_prepare_planes(dev, state); + if (ret) + return ret; + + /* Allocate the commit object. */ + commit = kzalloc(sizeof(*commit), GFP_KERNEL); + if (commit == NULL) { + ret = -ENOMEM; + goto error; + } + + INIT_WORK(&commit->work, omap_atomic_work); + commit->dev = dev; + commit->state = state; + + /* Wait until all affected CRTCs have completed previous commits and + * mark them as pending. + */ + for (i = 0; i < dev->mode_config.num_crtc; ++i) { + if (state->crtcs[i]) + commit->crtcs |= 1 << drm_crtc_index(state->crtcs[i]); + } + + wait_event(priv->commit.wait, !omap_atomic_is_pending(priv, commit)); + + spin_lock(&priv->commit.lock); + priv->commit.pending |= commit->crtcs; + spin_unlock(&priv->commit.lock); + + /* Keep track of all CRTC events to unlink them in preclose(). */ + spin_lock_irqsave(&dev->event_lock, flags); + for (i = 0; i < dev->mode_config.num_crtc; ++i) { + struct drm_crtc_state *cstate = state->crtc_states[i]; + + if (cstate && cstate->event) + list_add_tail(&cstate->event->base.link, + &priv->commit.events); + } + spin_unlock_irqrestore(&dev->event_lock, flags); + + /* Swap the state, this is the point of no return. */ + drm_atomic_helper_swap_state(dev, state); + + if (async) + schedule_work(&commit->work); + else + omap_atomic_complete(commit); + + return 0; + +error: + drm_atomic_helper_cleanup_planes(dev, state); + return ret; +} + static const struct drm_mode_config_funcs omap_mode_config_funcs = { .fb_create = omap_framebuffer_create, .output_poll_changed = omap_fb_output_poll_changed, + .atomic_check = drm_atomic_helper_check, + .atomic_commit = omap_atomic_commit, }; static int get_connector_type(struct omap_dss_device *dssdev) @@ -151,6 +299,27 @@ static int omap_modeset_create_crtc(struct drm_device *dev, int id, return 0; } +static int omap_modeset_init_properties(struct drm_device *dev) +{ + struct omap_drm_private *priv = dev->dev_private; + + if (priv->has_dmm) { + dev->mode_config.rotation_property = + drm_mode_create_rotation_property(dev, + BIT(DRM_ROTATE_0) | BIT(DRM_ROTATE_90) | + BIT(DRM_ROTATE_180) | BIT(DRM_ROTATE_270) | + BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y)); + if (!dev->mode_config.rotation_property) + return -ENOMEM; + } + + priv->zorder_prop = drm_property_create_range(dev, 0, "zorder", 0, 3); + if (!priv->zorder_prop) + return -ENOMEM; + + return 0; +} + static int omap_modeset_init(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; @@ -165,6 +334,10 @@ static int omap_modeset_init(struct drm_device *dev) omap_drm_irq_install(dev); + ret = omap_modeset_init_properties(dev); + if (ret < 0) + return ret; + /* * We usually don't want to create a CRTC for each manager, at least * not until we have a way to expose private planes to userspace. @@ -325,6 +498,8 @@ static int omap_modeset_init(struct drm_device *dev) dev->mode_config.funcs = &omap_mode_config_funcs; + drm_mode_config_reset(dev); + return 0; } @@ -477,6 +652,7 @@ static int dev_load(struct drm_device *dev, unsigned long flags) { struct omap_drm_platform_data *pdata = dev->dev->platform_data; struct omap_drm_private *priv; + unsigned int i; int ret; DBG("load: dev=%p", dev); @@ -490,6 +666,9 @@ static int dev_load(struct drm_device *dev, unsigned long flags) dev->dev_private = priv; priv->wq = alloc_ordered_workqueue("omapdrm", 0); + init_waitqueue_head(&priv->commit.wait); + spin_lock_init(&priv->commit.lock); + INIT_LIST_HEAD(&priv->commit.events); spin_lock_init(&priv->list_lock); INIT_LIST_HEAD(&priv->obj_list); @@ -504,10 +683,14 @@ static int dev_load(struct drm_device *dev, unsigned long flags) return ret; } + /* Initialize vblank handling, start with all CRTCs disabled. */ ret = drm_vblank_init(dev, priv->num_crtcs); if (ret) dev_warn(dev->dev, "could not init vblank\n"); + for (i = 0; i < priv->num_crtcs; i++) + drm_crtc_vblank_off(priv->crtcs[i]); + priv->fbdev = omap_fbdev_init(dev); if (!priv->fbdev) { dev_warn(dev->dev, "omap_fbdev_init failed\n"); @@ -525,7 +708,6 @@ static int dev_load(struct drm_device *dev, unsigned long flags) static int dev_unload(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - int i; DBG("unload: dev=%p", dev); @@ -534,10 +716,6 @@ static int dev_unload(struct drm_device *dev) if (priv->fbdev) omap_fbdev_free(dev); - /* flush crtcs so the fbs get released */ - for (i = 0; i < priv->num_crtcs; i++) - omap_crtc_flush(priv->crtcs[i]); - omap_modeset_free(dev); omap_gem_deinit(dev); @@ -583,7 +761,7 @@ static void dev_lastclose(struct drm_device *dev) DBG("lastclose: dev=%p", dev); - if (priv->rotation_prop) { + if (dev->mode_config.rotation_property) { /* need to restore default rotation state.. not sure * if there is a cleaner way to restore properties to * default state? Maybe a flag that properties should @@ -592,12 +770,12 @@ static void dev_lastclose(struct drm_device *dev) */ for (i = 0; i < priv->num_crtcs; i++) { drm_object_property_set_value(&priv->crtcs[i]->base, - priv->rotation_prop, 0); + dev->mode_config.rotation_property, 0); } for (i = 0; i < priv->num_planes; i++) { drm_object_property_set_value(&priv->planes[i]->base, - priv->rotation_prop, 0); + dev->mode_config.rotation_property, 0); } } @@ -610,7 +788,24 @@ static void dev_lastclose(struct drm_device *dev) static void dev_preclose(struct drm_device *dev, struct drm_file *file) { + struct omap_drm_private *priv = dev->dev_private; + struct drm_pending_event *event; + unsigned long flags; + DBG("preclose: dev=%p", dev); + + /* + * Unlink all pending CRTC events to make sure they won't be queued up + * by a pending asynchronous commit. + */ + spin_lock_irqsave(&dev->event_lock, flags); + list_for_each_entry(event, &priv->commit.events, link) { + if (event->file_priv == file) { + file->event_space += event->event->length; + event->file_priv = NULL; + } + } + spin_unlock_irqrestore(&dev->event_lock, flags); } static void dev_postclose(struct drm_device *dev, struct drm_file *file) @@ -636,8 +831,7 @@ static const struct file_operations omapdriver_fops = { }; static struct drm_driver omap_drm_driver = { - .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM - | DRIVER_PRIME, + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, .load = dev_load, .unload = dev_unload, .open = dev_open, @@ -648,10 +842,6 @@ static struct drm_driver omap_drm_driver = { .get_vblank_counter = drm_vblank_count, .enable_vblank = omap_irq_enable_vblank, .disable_vblank = omap_irq_disable_vblank, - .irq_preinstall = omap_irq_preinstall, - .irq_postinstall = omap_irq_postinstall, - .irq_uninstall = omap_irq_uninstall, - .irq_handler = omap_irq_handler, #ifdef CONFIG_DEBUG_FS .debugfs_init = omap_debugfs_init, .debugfs_cleanup = omap_debugfs_cleanup, diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index b31c79f15..12081e61d 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -20,15 +20,16 @@ #ifndef __OMAP_DRV_H__ #define __OMAP_DRV_H__ -#include <video/omapdss.h> #include <linux/module.h> +#include <linux/platform_data/omap_drm.h> #include <linux/types.h> +#include <linux/wait.h> +#include <video/omapdss.h> + #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> -#include <drm/omap_drm.h> #include <drm/drm_gem.h> -#include <linux/platform_data/omap_drm.h> - +#include <drm/omap_drm.h> #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */ @@ -50,21 +51,6 @@ struct omap_drm_window { uint32_t src_w, src_h; }; -/* Once GO bit is set, we can't make further updates to shadowed registers - * until the GO bit is cleared. So various parts in the kms code that need - * to update shadowed registers queue up a pair of callbacks, pre_apply - * which is called before setting GO bit, and post_apply that is called - * after GO bit is cleared. The crtc manages the queuing, and everyone - * else goes thru omap_crtc_apply() using these callbacks so that the - * code which has to deal w/ GO bit state is centralized. - */ -struct omap_drm_apply { - struct list_head pending_node, queued_node; - bool queued; - void (*pre_apply)(struct omap_drm_apply *apply); - void (*post_apply)(struct omap_drm_apply *apply); -}; - /* For transiently registering for different DSS irqs that various parts * of the KMS code need during setup/configuration. We these are not * necessarily the same as what drm_vblank_get/put() are requesting, and @@ -114,13 +100,20 @@ struct omap_drm_private { bool has_dmm; /* properties: */ - struct drm_property *rotation_prop; struct drm_property *zorder_prop; /* irq handling: */ struct list_head irq_list; /* list of omap_drm_irq */ uint32_t vblank_mask; /* irq bits set for userspace vblank */ struct omap_drm_irq error_handler; + + /* atomic commit */ + struct { + struct list_head events; + wait_queue_head_t wait; + u32 pending; + spinlock_t lock; /* Protects commit.pending */ + } commit; }; @@ -138,51 +131,31 @@ int omap_gem_resume(struct device *dev); int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id); void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id); -irqreturn_t omap_irq_handler(int irq, void *arg); -void omap_irq_preinstall(struct drm_device *dev); -int omap_irq_postinstall(struct drm_device *dev); -void omap_irq_uninstall(struct drm_device *dev); void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); -int omap_drm_irq_uninstall(struct drm_device *dev); +void omap_drm_irq_uninstall(struct drm_device *dev); int omap_drm_irq_install(struct drm_device *dev); struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); void omap_fbdev_free(struct drm_device *dev); -const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc); +struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc); enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); -int omap_crtc_apply(struct drm_crtc *crtc, - struct omap_drm_apply *apply); void omap_crtc_pre_init(void); void omap_crtc_pre_uninit(void); struct drm_crtc *omap_crtc_init(struct drm_device *dev, struct drm_plane *plane, enum omap_channel channel, int id); -void omap_crtc_flush(struct drm_crtc *crtc); +int omap_crtc_wait_pending(struct drm_crtc *crtc); struct drm_plane *omap_plane_init(struct drm_device *dev, int id, enum drm_plane_type type); -int omap_plane_set_enable(struct drm_plane *plane, bool enable); -int omap_plane_mode_set(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - unsigned int src_x, unsigned int src_y, - unsigned int src_w, unsigned int src_h, - void (*fxn)(void *), void *arg); void omap_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj); -int omap_plane_set_property(struct drm_plane *plane, - struct drm_property *property, uint64_t val); struct drm_encoder *omap_encoder_init(struct drm_device *dev, struct omap_dss_device *dssdev); -int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled); -int omap_encoder_update(struct drm_encoder *encoder, - struct omap_overlay_manager *mgr, - struct omap_video_timings *timings); struct drm_connector *omap_connector_init(struct drm_device *dev, int connector_type, struct omap_dss_device *dssdev, @@ -204,7 +177,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); int omap_framebuffer_pin(struct drm_framebuffer *fb); -int omap_framebuffer_unpin(struct drm_framebuffer *fb); +void omap_framebuffer_unpin(struct drm_framebuffer *fb); void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, struct omap_drm_window *win, struct omap_overlay_info *info); struct drm_connector *omap_framebuffer_get_next_connector( @@ -238,7 +211,7 @@ void omap_gem_dma_sync(struct drm_gem_object *obj, enum dma_data_direction dir); int omap_gem_get_paddr(struct drm_gem_object *obj, dma_addr_t *paddr, bool remap); -int omap_gem_put_paddr(struct drm_gem_object *obj); +void omap_gem_put_paddr(struct drm_gem_object *obj); int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, bool remap); int omap_gem_put_pages(struct drm_gem_object *obj); @@ -263,7 +236,7 @@ static inline int align_pitch(int pitch, int width, int bpp) /* PVR needs alignment to 8 pixels.. right now that is the most * restrictive stride requirement.. */ - return ALIGN(pitch, 8 * bytespp); + return roundup(pitch, 8 * bytespp); } /* map crtc to vblank mask */ diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 7445fb149..7d9b32a0e 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -17,16 +17,14 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/list.h> + +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> #include <drm/drm_edid.h> #include "omap_drv.h" -#include "drm_crtc.h" -#include "drm_crtc_helper.h" - -#include <linux/list.h> - - /* * encoder funcs */ @@ -54,8 +52,6 @@ static void omap_encoder_destroy(struct drm_encoder *encoder) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - omap_encoder_set_enabled(encoder, false); - drm_encoder_cleanup(encoder); kfree(omap_encoder); } @@ -64,29 +60,6 @@ static const struct drm_encoder_funcs omap_encoder_funcs = { .destroy = omap_encoder_destroy, }; -/* - * The CRTC drm_crtc_helper_set_mode() doesn't really give us the right - * order.. the easiest way to work around this for now is to make all - * the encoder-helper's no-op's and have the omap_crtc code take care - * of the sequencing and call us in the right points. - * - * Eventually to handle connecting CRTCs to different encoders properly, - * either the CRTC helpers need to change or we need to replace - * drm_crtc_helper_set_mode(), but lets wait until atomic-modeset for - * that. - */ - -static void omap_encoder_dpms(struct drm_encoder *encoder, int mode) -{ -} - -static bool omap_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - static void omap_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -118,44 +91,18 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, } } -static void omap_encoder_prepare(struct drm_encoder *encoder) -{ -} - -static void omap_encoder_commit(struct drm_encoder *encoder) -{ -} - -static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = { - .dpms = omap_encoder_dpms, - .mode_fixup = omap_encoder_mode_fixup, - .mode_set = omap_encoder_mode_set, - .prepare = omap_encoder_prepare, - .commit = omap_encoder_commit, -}; - -/* - * Instead of relying on the helpers for modeset, the omap_crtc code - * calls these functions in the proper sequence. - */ - -int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled) +static void omap_encoder_disable(struct drm_encoder *encoder) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); struct omap_dss_device *dssdev = omap_encoder->dssdev; struct omap_dss_driver *dssdrv = dssdev->driver; - if (enabled) { - return dssdrv->enable(dssdev); - } else { - dssdrv->disable(dssdev); - return 0; - } + dssdrv->disable(dssdev); } -int omap_encoder_update(struct drm_encoder *encoder, - struct omap_overlay_manager *mgr, - struct omap_video_timings *timings) +static int omap_encoder_update(struct drm_encoder *encoder, + enum omap_channel channel, + struct omap_video_timings *timings) { struct drm_device *dev = encoder->dev; struct omap_encoder *omap_encoder = to_omap_encoder(encoder); @@ -163,7 +110,7 @@ int omap_encoder_update(struct drm_encoder *encoder, struct omap_dss_driver *dssdrv = dssdev->driver; int ret; - dssdev->src->manager = mgr; + dssdev->src->manager = omap_dss_get_overlay_manager(channel); if (dssdrv->check_timings) { ret = dssdrv->check_timings(dssdev, timings); @@ -189,6 +136,32 @@ int omap_encoder_update(struct drm_encoder *encoder, return 0; } +static void omap_encoder_enable(struct drm_encoder *encoder) +{ + struct omap_encoder *omap_encoder = to_omap_encoder(encoder); + struct omap_dss_device *dssdev = omap_encoder->dssdev; + struct omap_dss_driver *dssdrv = dssdev->driver; + + omap_encoder_update(encoder, omap_crtc_channel(encoder->crtc), + omap_crtc_timings(encoder->crtc)); + + dssdrv->enable(dssdev); +} + +static int omap_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + return 0; +} + +static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = { + .mode_set = omap_encoder_mode_set, + .disable = omap_encoder_disable, + .enable = omap_encoder_enable, + .atomic_check = omap_encoder_atomic_check, +}; + /* initialize encoder */ struct drm_encoder *omap_encoder_init(struct drm_device *dev, struct omap_dss_device *dssdev) diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index b2c1a29cc..51b1219af 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -17,11 +17,11 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "omap_drv.h" -#include "omap_dmm_tiler.h" +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> -#include "drm_crtc.h" -#include "drm_crtc_helper.h" +#include "omap_dmm_tiler.h" +#include "omap_drv.h" /* * framebuffer funcs @@ -89,6 +89,8 @@ struct omap_framebuffer { int pin_count; const struct format *format; struct plane planes[4]; + /* lock for pinning (pin_count and planes.paddr) */ + struct mutex lock; }; static int omap_framebuffer_create_handle(struct drm_framebuffer *fb, @@ -250,8 +252,11 @@ int omap_framebuffer_pin(struct drm_framebuffer *fb) struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); int ret, i, n = drm_format_num_planes(fb->pixel_format); + mutex_lock(&omap_fb->lock); + if (omap_fb->pin_count > 0) { omap_fb->pin_count++; + mutex_unlock(&omap_fb->lock); return 0; } @@ -265,6 +270,8 @@ int omap_framebuffer_pin(struct drm_framebuffer *fb) omap_fb->pin_count++; + mutex_unlock(&omap_fb->lock); + return 0; fail: @@ -274,32 +281,33 @@ fail: plane->paddr = 0; } + mutex_unlock(&omap_fb->lock); + return ret; } /* unpin, no longer being scanned out: */ -int omap_framebuffer_unpin(struct drm_framebuffer *fb) +void omap_framebuffer_unpin(struct drm_framebuffer *fb) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - int ret, i, n = drm_format_num_planes(fb->pixel_format); + int i, n = drm_format_num_planes(fb->pixel_format); + + mutex_lock(&omap_fb->lock); omap_fb->pin_count--; - if (omap_fb->pin_count > 0) - return 0; + if (omap_fb->pin_count > 0) { + mutex_unlock(&omap_fb->lock); + return; + } for (i = 0; i < n; i++) { struct plane *plane = &omap_fb->planes[i]; - ret = omap_gem_put_paddr(plane->bo); - if (ret) - goto fail; + omap_gem_put_paddr(plane->bo); plane->paddr = 0; } - return 0; - -fail: - return ret; + mutex_unlock(&omap_fb->lock); } struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p) @@ -411,6 +419,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, fb = &omap_fb->base; omap_fb->format = format; + mutex_init(&omap_fb->lock); for (i = 0; i < n; i++) { struct plane *plane = &omap_fb->planes[i]; diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 950cd3389..720d16bce 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -17,10 +17,10 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "omap_drv.h" +#include <drm/drm_crtc.h> +#include <drm/drm_fb_helper.h> -#include "drm_crtc.h" -#include "drm_fb_helper.h" +#include "omap_drv.h" MODULE_PARM_DESC(ywrap, "Enable ywrap scrolling (omap44xx and later, default 'y')"); static bool ywrap_enabled = true; @@ -135,7 +135,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled; if (fbdev->ywrap_enabled) { /* need to align pitch to page size if using DMM scrolling */ - mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE); + mode_cmd.pitches[0] = PAGE_ALIGN(mode_cmd.pitches[0]); } /* allocate backing bo */ diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index e9718b99a..7ed08fdc4 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -17,9 +17,9 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ - -#include <linux/spinlock.h> #include <linux/shmem_fs.h> +#include <linux/spinlock.h> + #include <drm/drm_vma_manager.h> #include "omap_drv.h" @@ -808,10 +808,10 @@ fail: /* Release physical address, when DMA is no longer being performed.. this * could potentially unpin and unmap buffers from TILER */ -int omap_gem_put_paddr(struct drm_gem_object *obj) +void omap_gem_put_paddr(struct drm_gem_object *obj) { struct omap_gem_object *omap_obj = to_omap_bo(obj); - int ret = 0; + int ret; mutex_lock(&obj->dev->struct_mutex); if (omap_obj->paddr_cnt > 0) { @@ -821,7 +821,6 @@ int omap_gem_put_paddr(struct drm_gem_object *obj) if (ret) { dev_err(obj->dev->dev, "could not unpin pages: %d\n", ret); - goto fail; } ret = tiler_release(omap_obj->block); if (ret) { @@ -832,9 +831,8 @@ int omap_gem_put_paddr(struct drm_gem_object *obj) omap_obj->block = NULL; } } -fail: + mutex_unlock(&obj->dev->struct_mutex); - return ret; } /* Get rotated scanout address (only valid if already pinned), at the @@ -1378,11 +1376,7 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, omap_obj = kzalloc(sizeof(*omap_obj), GFP_KERNEL); if (!omap_obj) - goto fail; - - spin_lock(&priv->list_lock); - list_add(&omap_obj->mm_list, &priv->obj_list); - spin_unlock(&priv->list_lock); + return NULL; obj = &omap_obj->base; @@ -1392,11 +1386,19 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, */ omap_obj->vaddr = dma_alloc_writecombine(dev->dev, size, &omap_obj->paddr, GFP_KERNEL); - if (omap_obj->vaddr) - flags |= OMAP_BO_DMA; + if (!omap_obj->vaddr) { + kfree(omap_obj); + + return NULL; + } + flags |= OMAP_BO_DMA; } + spin_lock(&priv->list_lock); + list_add(&omap_obj->mm_list, &priv->obj_list); + spin_unlock(&priv->list_lock); + omap_obj->flags = flags; if (flags & OMAP_BO_TILED) { diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index 344fd7891..0cc71c9d0 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -17,10 +17,10 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "omap_drv.h" - #include <linux/dma-buf.h> +#include "omap_drv.h" + static struct sg_table *omap_gem_map_dma_buf( struct dma_buf_attachment *attachment, enum dma_data_direction dir) diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 3eb097efc..249c0330d 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -152,12 +152,10 @@ int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id) DBG("dev=%p, crtc=%d", dev, crtc_id); - dispc_runtime_get(); spin_lock_irqsave(&list_lock, flags); priv->vblank_mask |= pipe2vbl(crtc); omap_irq_update(dev); spin_unlock_irqrestore(&list_lock, flags); - dispc_runtime_put(); return 0; } @@ -179,15 +177,13 @@ void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id) DBG("dev=%p, crtc=%d", dev, crtc_id); - dispc_runtime_get(); spin_lock_irqsave(&list_lock, flags); priv->vblank_mask &= ~pipe2vbl(crtc); omap_irq_update(dev); spin_unlock_irqrestore(&list_lock, flags); - dispc_runtime_put(); } -irqreturn_t omap_irq_handler(int irq, void *arg) +static irqreturn_t omap_irq_handler(int irq, void *arg) { struct drm_device *dev = (struct drm_device *) arg; struct omap_drm_private *priv = dev->dev_private; @@ -222,23 +218,29 @@ irqreturn_t omap_irq_handler(int irq, void *arg) return IRQ_HANDLED; } -void omap_irq_preinstall(struct drm_device *dev) -{ - DBG("dev=%p", dev); - dispc_runtime_get(); - dispc_clear_irqstatus(0xffffffff); - dispc_runtime_put(); -} +/* + * We need a special version, instead of just using drm_irq_install(), + * because we need to register the irq via omapdss. Once omapdss and + * omapdrm are merged together we can assign the dispc hwmod data to + * ourselves and drop these and just use drm_irq_{install,uninstall}() + */ -int omap_irq_postinstall(struct drm_device *dev) +int omap_drm_irq_install(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; struct omap_drm_irq *error_handler = &priv->error_handler; - - DBG("dev=%p", dev); + int ret; INIT_LIST_HEAD(&priv->irq_list); + dispc_runtime_get(); + dispc_clear_irqstatus(0xffffffff); + dispc_runtime_put(); + + ret = dispc_request_irq(omap_irq_handler, dev); + if (ret < 0) + return ret; + error_handler->irq = omap_irq_error_handler; error_handler->irqmask = DISPC_IRQ_OCP_ERR; @@ -249,76 +251,22 @@ int omap_irq_postinstall(struct drm_device *dev) omap_irq_register(dev, error_handler); - return 0; -} - -void omap_irq_uninstall(struct drm_device *dev) -{ - DBG("dev=%p", dev); - // TODO prolly need to call drm_irq_uninstall() somewhere too -} - -/* - * We need a special version, instead of just using drm_irq_install(), - * because we need to register the irq via omapdss. Once omapdss and - * omapdrm are merged together we can assign the dispc hwmod data to - * ourselves and drop these and just use drm_irq_{install,uninstall}() - */ - -int omap_drm_irq_install(struct drm_device *dev) -{ - int ret; - - mutex_lock(&dev->struct_mutex); - - if (dev->irq_enabled) { - mutex_unlock(&dev->struct_mutex); - return -EBUSY; - } dev->irq_enabled = true; - mutex_unlock(&dev->struct_mutex); - - /* Before installing handler */ - if (dev->driver->irq_preinstall) - dev->driver->irq_preinstall(dev); - ret = dispc_request_irq(dev->driver->irq_handler, dev); - - if (ret < 0) { - mutex_lock(&dev->struct_mutex); - dev->irq_enabled = false; - mutex_unlock(&dev->struct_mutex); - return ret; - } - - /* After installing handler */ - if (dev->driver->irq_postinstall) - ret = dev->driver->irq_postinstall(dev); - - if (ret < 0) { - mutex_lock(&dev->struct_mutex); - dev->irq_enabled = false; - mutex_unlock(&dev->struct_mutex); - dispc_free_irq(dev); - } - - return ret; + return 0; } -int omap_drm_irq_uninstall(struct drm_device *dev) +void omap_drm_irq_uninstall(struct drm_device *dev) { unsigned long irqflags; - bool irq_enabled; int i; - mutex_lock(&dev->struct_mutex); - irq_enabled = dev->irq_enabled; + if (!dev->irq_enabled) + return; + dev->irq_enabled = false; - mutex_unlock(&dev->struct_mutex); - /* - * Wake up any waiters so they don't hang. - */ + /* Wake up any waiters so they don't hang. */ if (dev->num_crtcs) { spin_lock_irqsave(&dev->vbl_lock, irqflags); for (i = 0; i < dev->num_crtcs; i++) { @@ -330,13 +278,5 @@ int omap_drm_irq_uninstall(struct drm_device *dev) spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } - if (!irq_enabled) - return -EINVAL; - - if (dev->driver->irq_uninstall) - dev->driver->irq_uninstall(dev); - dispc_free_irq(dev); - - return 0; } diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index 1c6b63f39..098904696 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -17,10 +17,12 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "drm_flip_work.h" +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_plane_helper.h> -#include "omap_drv.h" #include "omap_dmm_tiler.h" +#include "omap_drv.h" /* some hackery because omapdss has an 'enum omap_plane' (which would be * better named omap_plane_id).. and compiler seems unhappy about having @@ -32,237 +34,183 @@ * plane funcs */ -struct callback { - void (*fxn)(void *); - void *arg; -}; - #define to_omap_plane(x) container_of(x, struct omap_plane, base) struct omap_plane { struct drm_plane base; int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */ const char *name; - struct omap_overlay_info info; - struct omap_drm_apply apply; - - /* position/orientation of scanout within the fb: */ - struct omap_drm_window win; - bool enabled; - - /* last fb that we pinned: */ - struct drm_framebuffer *pinned_fb; uint32_t nformats; uint32_t formats[32]; struct omap_drm_irq error_irq; +}; - /* for deferring bo unpin's until next post_apply(): */ - struct drm_flip_work unpin_work; +struct omap_plane_state { + struct drm_plane_state base; - // XXX maybe get rid of this and handle vblank in crtc too? - struct callback apply_done_cb; + unsigned int zorder; }; -static void omap_plane_unpin_worker(struct drm_flip_work *work, void *val) +static inline struct omap_plane_state * +to_omap_plane_state(struct drm_plane_state *state) { - struct omap_plane *omap_plane = - container_of(work, struct omap_plane, unpin_work); - struct drm_device *dev = omap_plane->base.dev; - - /* - * omap_framebuffer_pin/unpin are always called from priv->wq, - * so there's no need for locking here. - */ - omap_framebuffer_unpin(val); - mutex_lock(&dev->mode_config.mutex); - drm_framebuffer_unreference(val); - mutex_unlock(&dev->mode_config.mutex); + return container_of(state, struct omap_plane_state, base); } -/* update which fb (if any) is pinned for scanout */ -static int omap_plane_update_pin(struct drm_plane *plane, - struct drm_framebuffer *fb) +static int omap_plane_prepare_fb(struct drm_plane *plane, + struct drm_framebuffer *fb, + const struct drm_plane_state *new_state) { - struct omap_plane *omap_plane = to_omap_plane(plane); - struct drm_framebuffer *pinned_fb = omap_plane->pinned_fb; - - if (pinned_fb != fb) { - int ret = 0; - - DBG("%p -> %p", pinned_fb, fb); - - if (fb) { - drm_framebuffer_reference(fb); - ret = omap_framebuffer_pin(fb); - } - - if (pinned_fb) - drm_flip_work_queue(&omap_plane->unpin_work, pinned_fb); - - if (ret) { - dev_err(plane->dev->dev, "could not swap %p -> %p\n", - omap_plane->pinned_fb, fb); - drm_framebuffer_unreference(fb); - omap_plane->pinned_fb = NULL; - return ret; - } - - omap_plane->pinned_fb = fb; - } + return omap_framebuffer_pin(fb); +} - return 0; +static void omap_plane_cleanup_fb(struct drm_plane *plane, + struct drm_framebuffer *fb, + const struct drm_plane_state *old_state) +{ + omap_framebuffer_unpin(fb); } -static void omap_plane_pre_apply(struct omap_drm_apply *apply) +static void omap_plane_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) { - struct omap_plane *omap_plane = - container_of(apply, struct omap_plane, apply); - struct omap_drm_window *win = &omap_plane->win; - struct drm_plane *plane = &omap_plane->base; - struct drm_device *dev = plane->dev; - struct omap_overlay_info *info = &omap_plane->info; - struct drm_crtc *crtc = plane->crtc; - enum omap_channel channel; - bool enabled = omap_plane->enabled && crtc; + struct omap_plane *omap_plane = to_omap_plane(plane); + struct drm_plane_state *state = plane->state; + struct omap_plane_state *omap_state = to_omap_plane_state(state); + struct omap_overlay_info info; + struct omap_drm_window win; int ret; - DBG("%s, enabled=%d", omap_plane->name, enabled); + DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb); - /* if fb has changed, pin new fb: */ - omap_plane_update_pin(plane, enabled ? plane->fb : NULL); + memset(&info, 0, sizeof(info)); + info.rotation_type = OMAP_DSS_ROT_DMA; + info.rotation = OMAP_DSS_ROT_0; + info.global_alpha = 0xff; + info.mirror = 0; + info.zorder = omap_state->zorder; - if (!enabled) { - dispc_ovl_enable(omap_plane->id, false); - return; - } + memset(&win, 0, sizeof(win)); + win.rotation = state->rotation; + win.crtc_x = state->crtc_x; + win.crtc_y = state->crtc_y; + win.crtc_w = state->crtc_w; + win.crtc_h = state->crtc_h; + + /* + * src values are in Q16 fixed point, convert to integer. + * omap_framebuffer_update_scanout() takes adjusted src. + */ + win.src_x = state->src_x >> 16; + win.src_y = state->src_y >> 16; - channel = omap_crtc_channel(crtc); + switch (state->rotation & 0xf) { + case BIT(DRM_ROTATE_90): + case BIT(DRM_ROTATE_270): + win.src_w = state->src_h >> 16; + win.src_h = state->src_w >> 16; + break; + default: + win.src_w = state->src_w >> 16; + win.src_h = state->src_h >> 16; + break; + } /* update scanout: */ - omap_framebuffer_update_scanout(plane->fb, win, info); + omap_framebuffer_update_scanout(state->fb, &win, &info); - DBG("%dx%d -> %dx%d (%d)", info->width, info->height, - info->out_width, info->out_height, - info->screen_width); - DBG("%d,%d %pad %pad", info->pos_x, info->pos_y, - &info->paddr, &info->p_uv_addr); + DBG("%dx%d -> %dx%d (%d)", info.width, info.height, + info.out_width, info.out_height, + info.screen_width); + DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, + &info.paddr, &info.p_uv_addr); - dispc_ovl_set_channel_out(omap_plane->id, channel); + dispc_ovl_set_channel_out(omap_plane->id, + omap_crtc_channel(state->crtc)); /* and finally, update omapdss: */ - ret = dispc_ovl_setup(omap_plane->id, info, false, - omap_crtc_timings(crtc), false); - if (ret) { - dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret); + ret = dispc_ovl_setup(omap_plane->id, &info, false, + omap_crtc_timings(state->crtc), false); + if (WARN_ON(ret)) { + dispc_ovl_enable(omap_plane->id, false); return; } dispc_ovl_enable(omap_plane->id, true); } -static void omap_plane_post_apply(struct omap_drm_apply *apply) +static void omap_plane_atomic_disable(struct drm_plane *plane, + struct drm_plane_state *old_state) { - struct omap_plane *omap_plane = - container_of(apply, struct omap_plane, apply); - struct drm_plane *plane = &omap_plane->base; - struct omap_drm_private *priv = plane->dev->dev_private; - struct callback cb; - - cb = omap_plane->apply_done_cb; - omap_plane->apply_done_cb.fxn = NULL; + struct omap_plane_state *omap_state = to_omap_plane_state(plane->state); + struct omap_plane *omap_plane = to_omap_plane(plane); - drm_flip_work_commit(&omap_plane->unpin_work, priv->wq); + plane->state->rotation = BIT(DRM_ROTATE_0); + omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY + ? 0 : omap_plane->id; - if (cb.fxn) - cb.fxn(cb.arg); + dispc_ovl_enable(omap_plane->id, false); } -static int omap_plane_apply(struct drm_plane *plane) +static int omap_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) { - if (plane->crtc) { - struct omap_plane *omap_plane = to_omap_plane(plane); - return omap_crtc_apply(plane->crtc, &omap_plane->apply); - } + struct drm_crtc_state *crtc_state; + + if (!state->crtc) + return 0; + + crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + if (state->crtc_x < 0 || state->crtc_y < 0) + return -EINVAL; + + if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay) + return -EINVAL; + + if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay) + return -EINVAL; + return 0; } -int omap_plane_mode_set(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - unsigned int src_x, unsigned int src_y, - unsigned int src_w, unsigned int src_h, - void (*fxn)(void *), void *arg) +static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { + .prepare_fb = omap_plane_prepare_fb, + .cleanup_fb = omap_plane_cleanup_fb, + .atomic_check = omap_plane_atomic_check, + .atomic_update = omap_plane_atomic_update, + .atomic_disable = omap_plane_atomic_disable, +}; + +static void omap_plane_reset(struct drm_plane *plane) { struct omap_plane *omap_plane = to_omap_plane(plane); - struct omap_drm_window *win = &omap_plane->win; - - win->crtc_x = crtc_x; - win->crtc_y = crtc_y; - win->crtc_w = crtc_w; - win->crtc_h = crtc_h; - - win->src_x = src_x; - win->src_y = src_y; - win->src_w = src_w; - win->src_h = src_h; - - if (fxn) { - /* omap_crtc should ensure that a new page flip - * isn't permitted while there is one pending: - */ - BUG_ON(omap_plane->apply_done_cb.fxn); - - omap_plane->apply_done_cb.fxn = fxn; - omap_plane->apply_done_cb.arg = arg; - } + struct omap_plane_state *omap_state; - return omap_plane_apply(plane); -} + if (plane->state && plane->state->fb) + drm_framebuffer_unreference(plane->state->fb); -static int omap_plane_update(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h) -{ - struct omap_plane *omap_plane = to_omap_plane(plane); - omap_plane->enabled = true; + kfree(plane->state); + plane->state = NULL; - /* omap_plane_mode_set() takes adjusted src */ - switch (omap_plane->win.rotation & 0xf) { - case BIT(DRM_ROTATE_90): - case BIT(DRM_ROTATE_270): - swap(src_w, src_h); - break; - } + omap_state = kzalloc(sizeof(*omap_state), GFP_KERNEL); + if (omap_state == NULL) + return; /* - * We don't need to take a reference to the framebuffer as the DRM core - * has already done so for the purpose of setting plane->fb. + * Set defaults depending on whether we are a primary or overlay + * plane. */ - plane->fb = fb; - plane->crtc = crtc; - - /* src values are in Q16 fixed point, convert to integer: */ - return omap_plane_mode_set(plane, crtc, fb, - crtc_x, crtc_y, crtc_w, crtc_h, - src_x >> 16, src_y >> 16, src_w >> 16, src_h >> 16, - NULL, NULL); -} - -static int omap_plane_disable(struct drm_plane *plane) -{ - struct omap_plane *omap_plane = to_omap_plane(plane); - - omap_plane->win.rotation = BIT(DRM_ROTATE_0); - omap_plane->info.zorder = plane->type == DRM_PLANE_TYPE_PRIMARY - ? 0 : omap_plane->id; + omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY + ? 0 : omap_plane->id; + omap_state->base.rotation = BIT(DRM_ROTATE_0); - return omap_plane_set_enable(plane, false); + plane->state = &omap_state->base; + plane->state->plane = plane; } static void omap_plane_destroy(struct drm_plane *plane) @@ -275,82 +223,94 @@ static void omap_plane_destroy(struct drm_plane *plane) drm_plane_cleanup(plane); - drm_flip_work_cleanup(&omap_plane->unpin_work); - kfree(omap_plane); } -int omap_plane_set_enable(struct drm_plane *plane, bool enable) -{ - struct omap_plane *omap_plane = to_omap_plane(plane); - - if (enable == omap_plane->enabled) - return 0; - - omap_plane->enabled = enable; - return omap_plane_apply(plane); -} - /* helper to install properties which are common to planes and crtcs */ void omap_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj) { struct drm_device *dev = plane->dev; struct omap_drm_private *priv = dev->dev_private; - struct drm_property *prop; if (priv->has_dmm) { - prop = priv->rotation_prop; - if (!prop) { - prop = drm_mode_create_rotation_property(dev, - BIT(DRM_ROTATE_0) | - BIT(DRM_ROTATE_90) | - BIT(DRM_ROTATE_180) | - BIT(DRM_ROTATE_270) | - BIT(DRM_REFLECT_X) | - BIT(DRM_REFLECT_Y)); - if (prop == NULL) - return; - priv->rotation_prop = prop; - } + struct drm_property *prop = dev->mode_config.rotation_property; + drm_object_attach_property(obj, prop, 0); } - prop = priv->zorder_prop; - if (!prop) { - prop = drm_property_create_range(dev, 0, "zorder", 0, 3); - if (prop == NULL) - return; - priv->zorder_prop = prop; - } - drm_object_attach_property(obj, prop, 0); + drm_object_attach_property(obj, priv->zorder_prop, 0); } -int omap_plane_set_property(struct drm_plane *plane, - struct drm_property *property, uint64_t val) +static struct drm_plane_state * +omap_plane_atomic_duplicate_state(struct drm_plane *plane) +{ + struct omap_plane_state *state; + struct omap_plane_state *copy; + + if (WARN_ON(!plane->state)) + return NULL; + + state = to_omap_plane_state(plane->state); + copy = kmemdup(state, sizeof(*state), GFP_KERNEL); + if (copy == NULL) + return NULL; + + __drm_atomic_helper_plane_duplicate_state(plane, ©->base); + + return ©->base; +} + +static void omap_plane_atomic_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) +{ + __drm_atomic_helper_plane_destroy_state(plane, state); + kfree(to_omap_plane_state(state)); +} + +static int omap_plane_atomic_set_property(struct drm_plane *plane, + struct drm_plane_state *state, + struct drm_property *property, + uint64_t val) { - struct omap_plane *omap_plane = to_omap_plane(plane); struct omap_drm_private *priv = plane->dev->dev_private; - int ret = -EINVAL; - - if (property == priv->rotation_prop) { - DBG("%s: rotation: %02x", omap_plane->name, (uint32_t)val); - omap_plane->win.rotation = val; - ret = omap_plane_apply(plane); - } else if (property == priv->zorder_prop) { - DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val); - omap_plane->info.zorder = val; - ret = omap_plane_apply(plane); - } + struct omap_plane_state *omap_state = to_omap_plane_state(state); + + if (property == priv->zorder_prop) + omap_state->zorder = val; + else + return -EINVAL; - return ret; + return 0; +} + +static int omap_plane_atomic_get_property(struct drm_plane *plane, + const struct drm_plane_state *state, + struct drm_property *property, + uint64_t *val) +{ + struct omap_drm_private *priv = plane->dev->dev_private; + const struct omap_plane_state *omap_state = + container_of(state, const struct omap_plane_state, base); + + if (property == priv->zorder_prop) + *val = omap_state->zorder; + else + return -EINVAL; + + return 0; } static const struct drm_plane_funcs omap_plane_funcs = { - .update_plane = omap_plane_update, - .disable_plane = omap_plane_disable, + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .reset = omap_plane_reset, .destroy = omap_plane_destroy, - .set_property = omap_plane_set_property, + .set_property = drm_atomic_helper_plane_set_property, + .atomic_duplicate_state = omap_plane_atomic_duplicate_state, + .atomic_destroy_state = omap_plane_atomic_destroy_state, + .atomic_set_property = omap_plane_atomic_set_property, + .atomic_get_property = omap_plane_atomic_get_property, }; static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus) @@ -382,7 +342,6 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, struct omap_drm_private *priv = dev->dev_private; struct drm_plane *plane; struct omap_plane *omap_plane; - struct omap_overlay_info *info; int ret; DBG("%s: type=%d", plane_names[id], type); @@ -391,9 +350,6 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, if (!omap_plane) return ERR_PTR(-ENOMEM); - drm_flip_work_init(&omap_plane->unpin_work, - "unpin", omap_plane_unpin_worker); - omap_plane->nformats = omap_framebuffer_get_formats( omap_plane->formats, ARRAY_SIZE(omap_plane->formats), dss_feat_get_supported_color_modes(id)); @@ -402,9 +358,6 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, plane = &omap_plane->base; - omap_plane->apply.pre_apply = omap_plane_pre_apply; - omap_plane->apply.post_apply = omap_plane_post_apply; - omap_plane->error_irq.irqmask = error_irqs[id]; omap_plane->error_irq.irq = omap_plane_error_irq; omap_irq_register(dev, &omap_plane->error_irq); @@ -415,26 +368,9 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, if (ret < 0) goto error; - omap_plane_install_properties(plane, &plane->base); + drm_plane_helper_add(plane, &omap_plane_helper_funcs); - /* get our starting configuration, set defaults for parameters - * we don't currently use, etc: - */ - info = &omap_plane->info; - info->rotation_type = OMAP_DSS_ROT_DMA; - info->rotation = OMAP_DSS_ROT_0; - info->global_alpha = 0xff; - info->mirror = 0; - - /* Set defaults depending on whether we are a CRTC or overlay - * layer. - * TODO add ioctl to give userspace an API to change this.. this - * will come in a subsequent patch. - */ - if (type == DRM_PLANE_TYPE_PRIMARY) - omap_plane->info.zorder = 0; - else - omap_plane->info.zorder = id; + omap_plane_install_properties(plane, &plane->base); return plane; |