diff options
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 233 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 62 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_fops.c | 58 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_modeset_lock.c | 89 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_probe_helper.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/framebuffer.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/gem.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/gma_display.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/gtt.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_drv.h | 2 | ||||
| -rw-r--r-- | include/drm/drmP.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_atomic_helper.h | 8 | ||||
| -rw-r--r-- | include/drm/drm_modes.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_modeset_lock.h | 4 |
17 files changed, 445 insertions, 97 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 55b4debad79b..ef5f7663a718 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1188,12 +1188,7 @@ void drm_atomic_legacy_backoff(struct drm_atomic_state *state) retry: drm_modeset_backoff(state->acquire_ctx); - ret = drm_modeset_lock(&state->dev->mode_config.connection_mutex, - state->acquire_ctx); - if (ret) - goto retry; - ret = drm_modeset_lock_all_crtcs(state->dev, - state->acquire_ctx); + ret = drm_modeset_lock_all_ctx(state->dev, state->acquire_ctx); if (ret) goto retry; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 3731a26979bc..74a5fc4deef6 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -80,6 +80,27 @@ drm_atomic_helper_plane_changed(struct drm_atomic_state *state, } } +static bool +check_pending_encoder_assignment(struct drm_atomic_state *state, + struct drm_encoder *new_encoder, + struct drm_connector *new_connector) +{ + struct drm_connector *connector; + struct drm_connector_state *conn_state; + int i; + + for_each_connector_in_state(state, connector, conn_state, i) { + if (conn_state->best_encoder != new_encoder) + continue; + + /* encoder already assigned and we're trying to re-steal it! */ + if (connector->state->best_encoder != conn_state->best_encoder) + return false; + } + + return true; +} + static struct drm_crtc * get_current_crtc_for_encoder(struct drm_device *dev, struct drm_encoder *encoder) @@ -229,6 +250,13 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) return 0; } + if (!check_pending_encoder_assignment(state, new_encoder, connector)) { + DRM_DEBUG_ATOMIC("Encoder for [CONNECTOR:%d:%s] already assigned\n", + connector->base.id, + connector->name); + return -EINVAL; + } + encoder_crtc = get_current_crtc_for_encoder(state->dev, new_encoder); @@ -1342,6 +1370,49 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state) EXPORT_SYMBOL(drm_atomic_helper_commit_planes_on_crtc); /** + * drm_atomic_helper_disable_planes_on_crtc - helper to disable CRTC's planes + * @crtc: CRTC + * @atomic: if set, synchronize with CRTC's atomic_begin/flush hooks + * + * Disables all planes associated with the given CRTC. This can be + * used for instance in the CRTC helper disable callback to disable + * all planes before shutting down the display pipeline. + * + * If the atomic-parameter is set the function calls the CRTC's + * atomic_begin hook before and atomic_flush hook after disabling the + * planes. + * + * It is a bug to call this function without having implemented the + * ->atomic_disable() plane hook. + */ +void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc *crtc, + bool atomic) +{ + const struct drm_crtc_helper_funcs *crtc_funcs = + crtc->helper_private; + struct drm_plane *plane; + + if (atomic && crtc_funcs && crtc_funcs->atomic_begin) + crtc_funcs->atomic_begin(crtc, NULL); + + drm_for_each_plane(plane, crtc->dev) { + const struct drm_plane_helper_funcs *plane_funcs = + plane->helper_private; + + if (plane->state->crtc != crtc || !plane_funcs) + continue; + + WARN_ON(!plane_funcs->atomic_disable); + if (plane_funcs->atomic_disable) + plane_funcs->atomic_disable(plane, NULL); + } + + if (atomic && crtc_funcs && crtc_funcs->atomic_flush) + crtc_funcs->atomic_flush(crtc, NULL); +} +EXPORT_SYMBOL(drm_atomic_helper_disable_planes_on_crtc); + +/** * drm_atomic_helper_cleanup_planes - cleanup plane resources after commit * @dev: DRM device * @old_state: atomic state object with old state structures @@ -1818,6 +1889,161 @@ commit: } /** + * drm_atomic_helper_disable_all - disable all currently active outputs + * @dev: DRM device + * @ctx: lock acquisition context + * + * Loops through all connectors, finding those that aren't turned off and then + * turns them off by setting their DPMS mode to OFF and deactivating the CRTC + * that they are connected to. + * + * This is used for example in suspend/resume to disable all currently active + * functions when suspending. + * + * Note that if callers haven't already acquired all modeset locks this might + * return -EDEADLK, which must be handled by calling drm_modeset_backoff(). + * + * Returns: + * 0 on success or a negative error code on failure. + * + * See also: + * drm_atomic_helper_suspend(), drm_atomic_helper_resume() + */ +int drm_atomic_helper_disable_all(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) +{ + struct drm_atomic_state *state; + struct drm_connector *conn; + int err; + + state = drm_atomic_state_alloc(dev); + if (!state) + return -ENOMEM; + + state->acquire_ctx = ctx; + + drm_for_each_connector(conn, dev) { + struct drm_crtc *crtc = conn->state->crtc; + struct drm_crtc_state *crtc_state; + + if (!crtc || conn->dpms != DRM_MODE_DPMS_ON) + continue; + + crtc_state = drm_atomic_get_crtc_state(state, crtc); + if (IS_ERR(crtc_state)) { + err = PTR_ERR(crtc_state); + goto free; + } + + crtc_state->active = false; + } + + err = drm_atomic_commit(state); + +free: + if (err < 0) + drm_atomic_state_free(state); + + return err; +} +EXPORT_SYMBOL(drm_atomic_helper_disable_all); + +/** + * drm_atomic_helper_suspend - subsystem-level suspend helper + * @dev: DRM device + * + * Duplicates the current atomic state, disables all active outputs and then + * returns a pointer to the original atomic state to the caller. Drivers can + * pass this pointer to the drm_atomic_helper_resume() helper upon resume to + * restore the output configuration that was active at the time the system + * entered suspend. + * + * Note that it is potentially unsafe to use this. The atomic state object + * returned by this function is assumed to be persistent. Drivers must ensure + * that this holds true. Before calling this function, drivers must make sure + * to suspend fbdev emulation so that nothing can be using the device. + * + * Returns: + * A pointer to a copy of the state before suspend on success or an ERR_PTR()- + * encoded error code on failure. Drivers should store the returned atomic + * state object and pass it to the drm_atomic_helper_resume() helper upon + * resume. + * + * See also: + * drm_atomic_helper_duplicate_state(), drm_atomic_helper_disable_all(), + * drm_atomic_helper_resume() + */ +struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev) +{ + struct drm_modeset_acquire_ctx ctx; + struct drm_atomic_state *state; + int err; + + drm_modeset_acquire_init(&ctx, 0); + +retry: + err = drm_modeset_lock_all_ctx(dev, &ctx); + if (err < 0) { + state = ERR_PTR(err); + goto unlock; + } + + state = drm_atomic_helper_duplicate_state(dev, &ctx); + if (IS_ERR(state)) + goto unlock; + + err = drm_atomic_helper_disable_all(dev, &ctx); + if (err < 0) { + drm_atomic_state_free(state); + state = ERR_PTR(err); + goto unlock; + } + +unlock: + if (PTR_ERR(state) == -EDEADLK) { + drm_modeset_backoff(&ctx); + goto retry; + } + + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); + return state; +} +EXPORT_SYMBOL(drm_atomic_helper_suspend); + +/** + * drm_atomic_helper_resume - subsystem-level resume helper + * @dev: DRM device + * @state: atomic state to resume to + * + * Calls drm_mode_config_reset() to synchronize hardware and software states, + * grabs all modeset locks and commits the atomic state object. This can be + * used in conjunction with the drm_atomic_helper_suspend() helper to + * implement suspend/resume for drivers that support atomic mode-setting. + * + * Returns: + * 0 on success or a negative error code on failure. + * + * See also: + * drm_atomic_helper_suspend() + */ +int drm_atomic_helper_resume(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct drm_mode_config *config = &dev->mode_config; + int err; + + drm_mode_config_reset(dev); + drm_modeset_lock_all(dev); + state->acquire_ctx = config->acquire_ctx; + err = drm_atomic_commit(state); + drm_modeset_unlock_all(dev); + + return err; +} +EXPORT_SYMBOL(drm_atomic_helper_resume); + +/** * drm_atomic_helper_crtc_set_property - helper for crtc properties * @crtc: DRM crtc * @property: DRM property @@ -2429,7 +2655,9 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_duplicate_state); * @ctx: lock acquisition context * * Makes a copy of the current atomic state by looping over all objects and - * duplicating their respective states. + * duplicating their respective states. This is used for example by suspend/ + * resume support code to save the state prior to suspend such that it can + * be restored upon resume. * * Note that this treats atomic state as persistent between save and restore. * Drivers must make sure that this is possible and won't result in confusion @@ -2441,6 +2669,9 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_duplicate_state); * Returns: * A pointer to the copy of the atomic state object on success or an * ERR_PTR()-encoded error code on failure. + * + * See also: + * drm_atomic_helper_suspend(), drm_atomic_helper_resume() */ struct drm_atomic_state * drm_atomic_helper_duplicate_state(struct drm_device *dev, diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 6b4cf25fed12..10d0989db273 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -855,6 +855,12 @@ EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct); * due to slight differences in allocating shared resources when the * configuration is restored in a different order than when userspace set it up) * need to use their own restore logic. + * + * This function is deprecated. New drivers should implement atomic mode- + * setting and use the atomic suspend/resume helpers. + * + * See also: + * drm_atomic_helper_suspend(), drm_atomic_helper_resume() */ void drm_helper_resume_force_mode(struct drm_device *dev) { diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index d5d2c03fd136..c214f1246cb4 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2545,6 +2545,33 @@ cea_mode_alternate_clock(const struct drm_display_mode *cea_mode) return clock; } +static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match, + unsigned int clock_tolerance) +{ + u8 mode; + + if (!to_match->clock) + return 0; + + for (mode = 0; mode < ARRAY_SIZE(edid_cea_modes); mode++) { + const struct drm_display_mode *cea_mode = &edid_cea_modes[mode]; + unsigned int clock1, clock2; + + /* Check both 60Hz and 59.94Hz */ + clock1 = cea_mode->clock; + clock2 = cea_mode_alternate_clock(cea_mode); + + if (abs(to_match->clock - clock1) > clock_tolerance && + abs(to_match->clock - clock2) > clock_tolerance) + continue; + + if (drm_mode_equal_no_clocks(to_match, cea_mode)) + return mode + 1; + } + + return 0; +} + /** * drm_match_cea_mode - look for a CEA mode matching given mode * @to_match: display mode @@ -2609,6 +2636,33 @@ hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode) return cea_mode_alternate_clock(hdmi_mode); } +static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match, + unsigned int clock_tolerance) +{ + u8 mode; + + if (!to_match->clock) + return 0; + + for (mode = 0; mode < ARRAY_SIZE(edid_4k_modes); mode++) { + const struct drm_display_mode *hdmi_mode = &edid_4k_modes[mode]; + unsigned int clock1, clock2; + + /* Make sure to also match alternate clocks */ + clock1 = hdmi_mode->clock; + clock2 = hdmi_mode_alternate_clock(hdmi_mode); + + if (abs(to_match->clock - clock1) > clock_tolerance && + abs(to_match->clock - clock2) > clock_tolerance) + continue; + + if (drm_mode_equal_no_clocks(to_match, hdmi_mode)) + return mode + 1; + } + + return 0; +} + /* * drm_match_hdmi_mode - look for a HDMI mode matching given mode * @to_match: display mode @@ -3119,14 +3173,18 @@ static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode) u8 mode_idx; const char *type; - mode_idx = drm_match_cea_mode(mode) - 1; + /* + * allow 5kHz clock difference either way to account for + * the 10kHz clock resolution limit of detailed timings. + */ + mode_idx = drm_match_cea_mode_clock_tolerance(mode, 5) - 1; if (mode_idx < ARRAY_SIZE(edid_cea_modes)) { type = "CEA"; cea_mode = &edid_cea_modes[mode_idx]; clock1 = cea_mode->clock; clock2 = cea_mode_alternate_clock(cea_mode); } else { - mode_idx = drm_match_hdmi_mode(mode) - 1; + mode_idx = drm_match_hdmi_mode_clock_tolerance(mode, 5) - 1; if (mode_idx < ARRAY_SIZE(edid_4k_modes)) { type = "HDMI"; cea_mode = &edid_4k_modes[mode_idx]; diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index c59ce4d0ef75..81df9ae95e2e 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -172,6 +172,8 @@ static int drm_open_helper(struct file *filp, struct drm_minor *minor) init_waitqueue_head(&priv->event_wait); priv->event_space = 4096; /* set aside 4k for event buffer */ + mutex_init(&priv->event_read_lock); + if (drm_core_check_feature(dev, DRIVER_GEM)) drm_gem_open(dev, priv); @@ -483,14 +485,28 @@ ssize_t drm_read(struct file *filp, char __user *buffer, { struct drm_file *file_priv = filp->private_data; struct drm_device *dev = file_priv->minor->dev; - ssize_t ret = 0; + ssize_t ret; if (!access_ok(VERIFY_WRITE, buffer, count)) return -EFAULT; - spin_lock_irq(&dev->event_lock); + ret = mutex_lock_interruptible(&file_priv->event_read_lock); + if (ret) + return ret; + for (;;) { - if (list_empty(&file_priv->event_list)) { + struct drm_pending_event *e = NULL; + + spin_lock_irq(&dev->event_lock); + if (!list_empty(&file_priv->event_list)) { + e = list_first_entry(&file_priv->event_list, + struct drm_pending_event, link); + file_priv->event_space += e->event->length; + list_del(&e->link); + } + spin_unlock_irq(&dev->event_lock); + + if (e == NULL) { if (ret) break; @@ -499,36 +515,36 @@ ssize_t drm_read(struct file *filp, char __user *buffer, break; } - spin_unlock_irq(&dev->event_lock); + mutex_unlock(&file_priv->event_read_lock); ret = wait_event_interruptible(file_priv->event_wait, !list_empty(&file_priv->event_list)); - spin_lock_irq(&dev->event_lock); - if (ret < 0) - break; - - ret = 0; + if (ret >= 0) + ret = mutex_lock_interruptible(&file_priv->event_read_lock); + if (ret) + return ret; } else { - struct drm_pending_event *e; - - e = list_first_entry(&file_priv->event_list, - struct drm_pending_event, link); - if (e->event->length + ret > count) + unsigned length = e->event->length; + + if (length > count - ret) { +put_back_event: + spin_lock_irq(&dev->event_lock); + file_priv->event_space -= length; + list_add(&e->link, &file_priv->event_list); + spin_unlock_irq(&dev->event_lock); break; + } - if (__copy_to_user_inatomic(buffer + ret, - e->event, e->event->length)) { + if (copy_to_user(buffer + ret, e->event, length)) { if (ret == 0) ret = -EFAULT; - break; + goto put_back_event; } - file_priv->event_space += e->event->length; - ret += e->event->length; - list_del(&e->link); + ret += length; e->destroy(e); } } - spin_unlock_irq(&dev->event_lock); + mutex_unlock(&file_priv->event_read_lock); return ret; } diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index bde9b2911dc2..ef6bd3656548 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -917,13 +917,30 @@ bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_displ } else if (mode1->clock != mode2->clock) return false; + return drm_mode_equal_no_clocks(mode1, mode2); +} +EXPORT_SYMBOL(drm_mode_equal); + +/** + * drm_mode_equal_no_clocks - test modes for equality + * @mode1: first mode + * @mode2: second mode + * + * Check to see if @mode1 and @mode2 are equivalent, but + * don't check the pixel clocks. + * + * Returns: + * True if the modes are equal, false otherwise. + */ +bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2) +{ if ((mode1->flags & DRM_MODE_FLAG_3D_MASK) != (mode2->flags & DRM_MODE_FLAG_3D_MASK)) return false; return drm_mode_equal_no_clocks_no_stereo(mode1, mode2); } -EXPORT_SYMBOL(drm_mode_equal); +EXPORT_SYMBOL(drm_mode_equal_no_clocks); /** * drm_mode_equal_no_clocks_no_stereo - test modes for equality diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index 6675b1428410..c2f5971146ba 100644 --- a/drivers/gpu/drm/drm_modeset_lock.c +++ b/drivers/gpu/drm/drm_modeset_lock.c @@ -57,11 +57,18 @@ /** * drm_modeset_lock_all - take all modeset locks - * @dev: drm device + * @dev: DRM device * * This function takes all modeset locks, suitable where a more fine-grained - * scheme isn't (yet) implemented. Locks must be dropped with - * drm_modeset_unlock_all. + * scheme isn't (yet) implemented. Locks must be dropped by calling the + * drm_modeset_unlock_all() function. + * + * This function is deprecated. It allocates a lock acquisition context and + * stores it in the DRM device's ->mode_config. This facilitate conversion of + * existing code because it removes the need to manually deal with the + * acquisition context, but it is also brittle because the context is global + * and care must be taken not to nest calls. New code should use the + * drm_modeset_lock_all_ctx() function and pass in the context explicitly. */ void drm_modeset_lock_all(struct drm_device *dev) { @@ -78,39 +85,43 @@ void drm_modeset_lock_all(struct drm_device *dev) drm_modeset_acquire_init(ctx, 0); retry: - ret = drm_modeset_lock(&config->connection_mutex, ctx); - if (ret) - goto fail; - ret = drm_modeset_lock_all_crtcs(dev, ctx); - if (ret) - goto fail; + ret = drm_modeset_lock_all_ctx(dev, ctx); + if (ret < 0) { + if (ret == -EDEADLK) { + drm_modeset_backoff(ctx); + goto retry; + } + + drm_modeset_acquire_fini(ctx); + kfree(ctx); + return; + } WARN_ON(config->acquire_ctx); - /* now we hold the locks, so now that it is safe, stash the - * ctx for drm_modeset_unlock_all(): + /* + * We hold the locks now, so it is safe to stash the acquisition + * context for drm_modeset_unlock_all(). */ config->acquire_ctx = ctx; drm_warn_on_modeset_not_all_locked(dev); - - return; - -fail: - if (ret == -EDEADLK) { - drm_modeset_backoff(ctx); - goto retry; - } - - kfree(ctx); } EXPORT_SYMBOL(drm_modeset_lock_all); /** * drm_modeset_unlock_all - drop all modeset locks - * @dev: device + * @dev: DRM device * - * This function drop all modeset locks taken by drm_modeset_lock_all. + * This function drops all modeset locks taken by a previous call to the + * drm_modeset_lock_all() function. + * + * This function is deprecated. It uses the lock acquisition context stored + * in the DRM device's ->mode_config. This facilitates conversion of existing + * code because it removes the need to manually deal with the acquisition + * context, but it is also brittle because the context is global and care must + * be taken not to nest calls. New code should pass the acquisition context + * directly to the drm_modeset_drop_locks() function. */ void drm_modeset_unlock_all(struct drm_device *dev) { @@ -431,14 +442,34 @@ void drm_modeset_unlock(struct drm_modeset_lock *lock) } EXPORT_SYMBOL(drm_modeset_unlock); -/* In some legacy codepaths it's convenient to just grab all the crtc and plane - * related locks. */ -int drm_modeset_lock_all_crtcs(struct drm_device *dev, - struct drm_modeset_acquire_ctx *ctx) +/** + * drm_modeset_lock_all_ctx - take all modeset locks + * @dev: DRM device + * @ctx: lock acquisition context + * + * This function takes all modeset locks, suitable where a more fine-grained + * scheme isn't (yet) implemented. + * + * Unlike drm_modeset_lock_all(), it doesn't take the dev->mode_config.mutex + * since that lock isn't required for modeset state changes. Callers which + * need to grab that lock too need to do so outside of the acquire context + * @ctx. + * + * Locks acquired with this function should be released by calling the + * drm_modeset_drop_locks() function on @ctx. + * + * Returns: 0 on success or a negative error-code on failure. + */ +int drm_modeset_lock_all_ctx(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct drm_crtc *crtc; struct drm_plane *plane; - int ret = 0; + int ret; + + ret = drm_modeset_lock(&dev->mode_config.connection_mutex, ctx); + if (ret) + return ret; drm_for_each_crtc(crtc, dev) { ret = drm_modeset_lock(&crtc->mutex, ctx); @@ -454,4 +485,4 @@ int drm_modeset_lock_all_crtcs(struct drm_device *dev, return 0; } -EXPORT_SYMBOL(drm_modeset_lock_all_crtcs); +EXPORT_SYMBOL(drm_modeset_lock_all_ctx); diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 94ba39e34299..eee3b6f38cfb 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -168,10 +168,11 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect * check here, and if anything changed start the hotplug code. */ if (old_status != connector->status) { - DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n", + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n", connector->base.id, connector->name, - old_status, connector->status); + drm_get_connector_status_name(old_status), + drm_get_connector_status_name(connector->status)); /* * The hotplug event code might call into the fb diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index dc0508dca1d4..ee95c03a8c54 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -406,8 +406,6 @@ static int psbfb_create(struct psb_fbdev *fbdev, memset(dev_priv->vram_addr + backing->offset, 0, size); - mutex_lock(&dev->struct_mutex); - info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper); if (IS_ERR(info)) { ret = PTR_ERR(info); @@ -463,17 +461,15 @@ static int psbfb_create(struct psb_fbdev *fbdev, dev_dbg(dev->dev, "allocated %dx%d fb\n", psbfb->base.width, psbfb->base.height); - mutex_unlock(&dev->struct_mutex); return 0; out_unref: if (backing->stolen) psb_gtt_free_range(dev, backing); else - drm_gem_object_unreference(&backing->gem); + drm_gem_object_unreference_unlocked(&backing->gem); drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); out_err1: - mutex_unlock(&dev->struct_mutex); psb_gtt_free_range(dev, backing); return ret; } @@ -569,7 +565,7 @@ static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) drm_framebuffer_cleanup(&psbfb->base); if (psbfb->gtt) - drm_gem_object_unreference(&psbfb->gtt->gem); + drm_gem_object_unreference_unlocked(&psbfb->gtt->gem); return 0; } @@ -784,12 +780,8 @@ void psb_modeset_cleanup(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; if (dev_priv->modeset) { - mutex_lock(&dev->struct_mutex); - drm_kms_helper_poll_fini(dev); psb_fbdev_fini(dev); drm_mode_config_cleanup(dev); - - mutex_unlock(&dev->struct_mutex); } } diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index c707fa6fca85..506224b3a0ad 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -62,15 +62,10 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, int ret = 0; struct drm_gem_object *obj; - mutex_lock(&dev->struct_mutex); - /* GEM does all our handle to object mapping */ obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto unlock; - } - /* What validation is needed here ? */ + if (obj == NULL) + return -ENOENT; /* Make it mmapable */ ret = drm_gem_create_mmap_offset(obj); @@ -78,9 +73,7 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, goto out; *offset = drm_vma_node_offset_addr(&obj->vma_node); out: - drm_gem_object_unreference(obj); -unlock: - mutex_unlock(&dev->struct_mutex); + drm_gem_object_unreference_unlocked(obj); return ret; } @@ -130,7 +123,7 @@ int psb_gem_create(struct drm_file *file, struct drm_device *dev, u64 size, return ret; } /* We have the initial and handle reference but need only one now */ - drm_gem_object_unreference(&r->gem); + drm_gem_object_unreference_unlocked(&r->gem); *handlep = handle; return 0; } @@ -189,7 +182,7 @@ int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) /* Make sure we don't parallel update on a fault, nor move or remove something from beneath our feet */ - mutex_lock(&dev->struct_mutex); + mutex_lock(&dev_priv->mmap_mutex); /* For now the mmap pins the object and it stays pinned. As things stand that will do us no harm */ @@ -215,7 +208,7 @@ int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn); fail: - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev_priv->mmap_mutex); switch (ret) { case 0: case -ERESTARTSYS: diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c index 001b450b27b3..ff17af4cfc64 100644 --- a/drivers/gpu/drm/gma500/gma_display.c +++ b/drivers/gpu/drm/gma500/gma_display.c @@ -349,8 +349,6 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, /* If we didn't get a handle then turn the cursor off */ if (!handle) { temp = CURSOR_MODE_DISABLE; - mutex_lock(&dev->struct_mutex); - if (gma_power_begin(dev, false)) { REG_WRITE(control, temp); REG_WRITE(base, 0); @@ -362,11 +360,9 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, gt = container_of(gma_crtc->cursor_obj, struct gtt_range, gem); psb_gtt_unpin(gt); - drm_gem_object_unreference(gma_crtc->cursor_obj); + drm_gem_object_unreference_unlocked(gma_crtc->cursor_obj); gma_crtc->cursor_obj = NULL; } - - mutex_unlock(&dev->struct_mutex); return 0; } @@ -376,7 +372,6 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, return -EINVAL; } - mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file_priv, handle); if (!obj) { ret = -ENOENT; @@ -441,17 +436,15 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, if (gma_crtc->cursor_obj) { gt = container_of(gma_crtc->cursor_obj, struct gtt_range, gem); psb_gtt_unpin(gt); - drm_gem_object_unreference(gma_crtc->cursor_obj); + drm_gem_object_unreference_unlocked(gma_crtc->cursor_obj); } gma_crtc->cursor_obj = obj; unlock: - mutex_unlock(&dev->struct_mutex); return ret; unref_cursor: - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); + drm_gem_object_unreference_unlocked(obj); return ret; } diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index ce015db59dc6..8f69225ce2b4 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -425,6 +425,7 @@ int psb_gtt_init(struct drm_device *dev, int resume) if (!resume) { mutex_init(&dev_priv->gtt_mutex); + mutex_init(&dev_priv->mmap_mutex); psb_gtt_alloc(dev); } diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index e21726ecac32..3bd2c726dd61 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -465,6 +465,8 @@ struct drm_psb_private { struct mutex gtt_mutex; struct resource *gtt_mem; /* Our PCI resource */ + struct mutex mmap_mutex; + struct psb_mmu_driver *mmu; struct psb_mmu_pd *pf_pd; diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 30d4a5a495e2..8e1df1f7057c 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -344,6 +344,8 @@ struct drm_file { struct list_head event_list; int event_space; + struct mutex event_read_lock; + struct drm_prime_file_private prime; }; diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 8cba54a2a0a0..a286cce98720 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -62,6 +62,8 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, void drm_atomic_helper_cleanup_planes(struct drm_device *dev, struct drm_atomic_state *old_state); void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); +void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc *crtc, + bool atomic); void drm_atomic_helper_swap_state(struct drm_device *dev, struct drm_atomic_state *state); @@ -81,6 +83,12 @@ int drm_atomic_helper_set_config(struct drm_mode_set *set); int __drm_atomic_helper_set_config(struct drm_mode_set *set, struct drm_atomic_state *state); +int drm_atomic_helper_disable_all(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); +struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); +int drm_atomic_helper_resume(struct drm_device *dev, + struct drm_atomic_state *state); + int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, struct drm_property *property, uint64_t val); diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index 08a8cac9e555..f9115aee43f4 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -222,6 +222,8 @@ struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, const struct drm_display_mode *mode); bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2); +bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, + const struct drm_display_mode *mode2); bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2); diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h index 94938d89347c..c5576fbcb909 100644 --- a/include/drm/drm_modeset_lock.h +++ b/include/drm/drm_modeset_lock.h @@ -138,7 +138,7 @@ void drm_warn_on_modeset_not_all_locked(struct drm_device *dev); struct drm_modeset_acquire_ctx * drm_modeset_legacy_acquire_ctx(struct drm_crtc *crtc); -int drm_modeset_lock_all_crtcs(struct drm_device *dev, - struct drm_modeset_acquire_ctx *ctx); +int drm_modeset_lock_all_ctx(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); #endif /* DRM_MODESET_LOCK_H_ */ |