diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_connector.h | 8 | ||||
| -rw-r--r-- | include/drm/drm_encoder.h | 16 | ||||
| -rw-r--r-- | include/drm/drm_plane.h | 14 | ||||
| -rw-r--r-- | include/drm/drm_plane_helper.h | 6 | ||||
| -rw-r--r-- | include/linux/console.h | 5 | ||||
| -rw-r--r-- | include/linux/dma-fence.h | 32 | ||||
| -rw-r--r-- | include/linux/ww_mutex.h | 45 | ||||
| -rw-r--r-- | include/uapi/drm/drm_fourcc.h | 21 |
8 files changed, 104 insertions, 43 deletions
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 14ab58ade87f..bf0f0f0786d3 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1030,11 +1030,17 @@ int drm_mode_connector_attach_encoder(struct drm_connector *connector, struct drm_encoder *encoder); void drm_connector_cleanup(struct drm_connector *connector); -static inline unsigned drm_connector_index(struct drm_connector *connector) + +static inline unsigned int drm_connector_index(const struct drm_connector *connector) { return connector->index; } +static inline u32 drm_connector_mask(const struct drm_connector *connector) +{ + return 1 << connector->index; +} + /** * drm_connector_lookup - lookup connector object * @dev: DRM device diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h index fb299696c7c4..4f597c0730b4 100644 --- a/include/drm/drm_encoder.h +++ b/include/drm/drm_encoder.h @@ -191,12 +191,24 @@ int drm_encoder_init(struct drm_device *dev, * Given a registered encoder, return the index of that encoder within a DRM * device's list of encoders. */ -static inline unsigned int drm_encoder_index(struct drm_encoder *encoder) +static inline unsigned int drm_encoder_index(const struct drm_encoder *encoder) { return encoder->index; } /** + * drm_encoder_mask - find the mask of a registered ENCODER + * @encoder: encoder to find mask for + * + * Given a registered encoder, return the mask bit of that encoder for an + * encoder's possible_clones field. + */ +static inline u32 drm_encoder_mask(const struct drm_encoder *encoder) +{ + return 1 << drm_encoder_index(encoder); +} + +/** * drm_encoder_crtc_ok - can a given crtc drive a given encoder? * @encoder: encoder to test * @crtc: crtc to test @@ -241,7 +253,7 @@ void drm_encoder_cleanup(struct drm_encoder *encoder); */ #define drm_for_each_encoder_mask(encoder, dev, encoder_mask) \ list_for_each_entry((encoder), &(dev)->mode_config.encoder_list, head) \ - for_each_if ((encoder_mask) & (1 << drm_encoder_index(encoder))) + for_each_if ((encoder_mask) & drm_encoder_mask(encoder)) /** * drm_for_each_encoder - iterate over all encoders diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 7d4d6c7f0afd..cee9dfaaa740 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -639,10 +639,20 @@ void drm_plane_cleanup(struct drm_plane *plane); * Given a registered plane, return the index of that plane within a DRM * device's list of planes. */ -static inline unsigned int drm_plane_index(struct drm_plane *plane) +static inline unsigned int drm_plane_index(const struct drm_plane *plane) { return plane->index; } + +/** + * drm_plane_mask - find the mask of a registered plane + * @plane: plane to find mask for + */ +static inline u32 drm_plane_mask(const struct drm_plane *plane) +{ + return 1 << drm_plane_index(plane); +} + struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); void drm_plane_force_disable(struct drm_plane *plane); @@ -678,7 +688,7 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev, */ #define drm_for_each_plane_mask(plane, dev, plane_mask) \ list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ - for_each_if ((plane_mask) & (1 << drm_plane_index(plane))) + for_each_if ((plane_mask) & drm_plane_mask(plane)) /** * drm_for_each_legacy_plane - iterate over all planes for legacy userspace diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h index 28d7ce620729..26cee2934781 100644 --- a/include/drm/drm_plane_helper.h +++ b/include/drm/drm_plane_helper.h @@ -67,8 +67,10 @@ int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc, 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); -int drm_plane_helper_disable(struct drm_plane *plane); + uint32_t src_w, uint32_t src_h, + struct drm_modeset_acquire_ctx *ctx); +int drm_plane_helper_disable(struct drm_plane *plane, + struct drm_modeset_acquire_ctx *ctx); /* For use by drm_crtc_helper.c */ int drm_plane_helper_commit(struct drm_plane *plane, diff --git a/include/linux/console.h b/include/linux/console.h index dfd6b0e97855..f59f3dbca65c 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -21,6 +21,7 @@ struct console_font_op; struct console_font; struct module; struct tty_struct; +struct notifier_block; /* * this is what the terminal answers to a ESC-Z or csi0c query. @@ -220,4 +221,8 @@ static inline bool vgacon_text_force(void) { return false; } extern void console_init(void); +/* For deferred console takeover */ +void dummycon_register_output_notifier(struct notifier_block *nb); +void dummycon_unregister_output_notifier(struct notifier_block *nb); + #endif /* _LINUX_CONSOLE_H */ diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index eb9b05aa5aea..02dba8cd033d 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -166,7 +166,8 @@ struct dma_fence_ops { * released when the fence is signalled (through e.g. the interrupt * handler). * - * This callback is mandatory. + * This callback is optional. If this callback is not present, then the + * driver must always have signaling enabled. */ bool (*enable_signaling)(struct dma_fence *fence); @@ -190,11 +191,14 @@ struct dma_fence_ops { /** * @wait: * - * Custom wait implementation, or dma_fence_default_wait. + * Custom wait implementation, defaults to dma_fence_default_wait() if + * not set. * - * Must not be NULL, set to dma_fence_default_wait for default implementation. - * the dma_fence_default_wait implementation should work for any fence, as long - * as enable_signaling works correctly. + * The dma_fence_default_wait implementation should work for any fence, as long + * as @enable_signaling works correctly. This hook allows drivers to + * have an optimized version for the case where a process context is + * already available, e.g. if @enable_signaling for the general case + * needs to set up a worker thread. * * Must return -ERESTARTSYS if the wait is intr = true and the wait was * interrupted, and remaining jiffies if fence has signaled, or 0 if wait @@ -202,7 +206,7 @@ struct dma_fence_ops { * which should be treated as if the fence is signaled. For example a hardware * lockup could be reported like that. * - * This callback is mandatory. + * This callback is optional. */ signed long (*wait)(struct dma_fence *fence, bool intr, signed long timeout); @@ -218,17 +222,6 @@ struct dma_fence_ops { void (*release)(struct dma_fence *fence); /** - * @fill_driver_data: - * - * Callback to fill in free-form debug info. - * - * Returns amount of bytes filled, or negative error on failure. - * - * This callback is optional. - */ - int (*fill_driver_data)(struct dma_fence *fence, void *data, int size); - - /** * @fence_value_str: * * Callback to fill in free-form debug info specific to this fence, like @@ -242,8 +235,9 @@ struct dma_fence_ops { * @timeline_value_str: * * Fills in the current value of the timeline as a string, like the - * sequence number. This should match what @fill_driver_data prints for - * the most recently signalled fence (assuming no delayed signalling). + * sequence number. Note that the specific fence passed to this function + * should not matter, drivers should only use it to look up the + * corresponding timeline structures. */ void (*timeline_value_str)(struct dma_fence *fence, char *str, int size); diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h index 39fda195bf78..3af7c0e03be5 100644 --- a/include/linux/ww_mutex.h +++ b/include/linux/ww_mutex.h @@ -6,8 +6,10 @@ * * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> * - * Wound/wait implementation: + * Wait/Die implementation: * Copyright (C) 2013 Canonical Ltd. + * Choice of algorithm: + * Copyright (C) 2018 WMWare Inc. * * This file contains the main data structure and API definitions. */ @@ -23,14 +25,17 @@ struct ww_class { struct lock_class_key mutex_key; const char *acquire_name; const char *mutex_name; + unsigned int is_wait_die; }; struct ww_acquire_ctx { struct task_struct *task; unsigned long stamp; - unsigned acquired; + unsigned int acquired; + unsigned short wounded; + unsigned short is_wait_die; #ifdef CONFIG_DEBUG_MUTEXES - unsigned done_acquire; + unsigned int done_acquire; struct ww_class *ww_class; struct ww_mutex *contending_lock; #endif @@ -38,8 +43,8 @@ struct ww_acquire_ctx { struct lockdep_map dep_map; #endif #ifdef CONFIG_DEBUG_WW_MUTEX_SLOWPATH - unsigned deadlock_inject_interval; - unsigned deadlock_inject_countdown; + unsigned int deadlock_inject_interval; + unsigned int deadlock_inject_countdown; #endif }; @@ -58,17 +63,21 @@ struct ww_mutex { # define __WW_CLASS_MUTEX_INITIALIZER(lockname, class) #endif -#define __WW_CLASS_INITIALIZER(ww_class) \ +#define __WW_CLASS_INITIALIZER(ww_class, _is_wait_die) \ { .stamp = ATOMIC_LONG_INIT(0) \ , .acquire_name = #ww_class "_acquire" \ - , .mutex_name = #ww_class "_mutex" } + , .mutex_name = #ww_class "_mutex" \ + , .is_wait_die = _is_wait_die } #define __WW_MUTEX_INITIALIZER(lockname, class) \ { .base = __MUTEX_INITIALIZER(lockname.base) \ __WW_CLASS_MUTEX_INITIALIZER(lockname, class) } +#define DEFINE_WD_CLASS(classname) \ + struct ww_class classname = __WW_CLASS_INITIALIZER(classname, 1) + #define DEFINE_WW_CLASS(classname) \ - struct ww_class classname = __WW_CLASS_INITIALIZER(classname) + struct ww_class classname = __WW_CLASS_INITIALIZER(classname, 0) #define DEFINE_WW_MUTEX(mutexname, ww_class) \ struct ww_mutex mutexname = __WW_MUTEX_INITIALIZER(mutexname, ww_class) @@ -102,7 +111,7 @@ static inline void ww_mutex_init(struct ww_mutex *lock, * * Context-based w/w mutex acquiring can be done in any order whatsoever within * a given lock class. Deadlocks will be detected and handled with the - * wait/wound logic. + * wait/die logic. * * Mixing of context-based w/w mutex acquiring and single w/w mutex locking can * result in undetected deadlocks and is so forbidden. Mixing different contexts @@ -123,6 +132,8 @@ static inline void ww_acquire_init(struct ww_acquire_ctx *ctx, ctx->task = current; ctx->stamp = atomic_long_inc_return_relaxed(&ww_class->stamp); ctx->acquired = 0; + ctx->wounded = false; + ctx->is_wait_die = ww_class->is_wait_die; #ifdef CONFIG_DEBUG_MUTEXES ctx->ww_class = ww_class; ctx->done_acquire = 0; @@ -195,13 +206,13 @@ static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx) * Lock the w/w mutex exclusively for this task. * * Deadlocks within a given w/w class of locks are detected and handled with the - * wait/wound algorithm. If the lock isn't immediately avaiable this function + * wait/die algorithm. If the lock isn't immediately available this function * will either sleep until it is (wait case). Or it selects the current context - * for backing off by returning -EDEADLK (wound case). Trying to acquire the + * for backing off by returning -EDEADLK (die case). Trying to acquire the * same lock with the same context twice is also detected and signalled by * returning -EALREADY. Returns 0 if the mutex was successfully acquired. * - * In the wound case the caller must release all currently held w/w mutexes for + * In the die case the caller must release all currently held w/w mutexes for * the given context and then wait for this contending lock to be available by * calling ww_mutex_lock_slow. Alternatively callers can opt to not acquire this * lock and proceed with trying to acquire further w/w mutexes (e.g. when @@ -226,14 +237,14 @@ extern int /* __must_check */ ww_mutex_lock(struct ww_mutex *lock, struct ww_acq * Lock the w/w mutex exclusively for this task. * * Deadlocks within a given w/w class of locks are detected and handled with the - * wait/wound algorithm. If the lock isn't immediately avaiable this function + * wait/die algorithm. If the lock isn't immediately available this function * will either sleep until it is (wait case). Or it selects the current context - * for backing off by returning -EDEADLK (wound case). Trying to acquire the + * for backing off by returning -EDEADLK (die case). Trying to acquire the * same lock with the same context twice is also detected and signalled by * returning -EALREADY. Returns 0 if the mutex was successfully acquired. If a * signal arrives while waiting for the lock then this function returns -EINTR. * - * In the wound case the caller must release all currently held w/w mutexes for + * In the die case the caller must release all currently held w/w mutexes for * the given context and then wait for this contending lock to be available by * calling ww_mutex_lock_slow_interruptible. Alternatively callers can opt to * not acquire this lock and proceed with trying to acquire further w/w mutexes @@ -256,7 +267,7 @@ extern int __must_check ww_mutex_lock_interruptible(struct ww_mutex *lock, * @lock: the mutex to be acquired * @ctx: w/w acquire context * - * Acquires a w/w mutex with the given context after a wound case. This function + * Acquires a w/w mutex with the given context after a die case. This function * will sleep until the lock becomes available. * * The caller must have released all w/w mutexes already acquired with the @@ -290,7 +301,7 @@ ww_mutex_lock_slow(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) * @lock: the mutex to be acquired * @ctx: w/w acquire context * - * Acquires a w/w mutex with the given context after a wound case. This function + * Acquires a w/w mutex with the given context after a die case. This function * will sleep until the lock becomes available and returns 0 when the lock has * been acquired. If a signal arrives while waiting for the lock then this * function returns -EINTR. diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 64bf67abff7e..d5e52350a3aa 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -464,6 +464,27 @@ extern "C" { #define DRM_FORMAT_MOD_BROADCOM_SAND256 \ DRM_FORMAT_MOD_BROADCOM_SAND256_COL_HEIGHT(0) +/* Broadcom UIF format + * + * This is the common format for the current Broadcom multimedia + * blocks, including V3D 3.x and newer, newer video codecs, and + * displays. + * + * The image consists of utiles (64b blocks), UIF blocks (2x2 utiles), + * and macroblocks (4x4 UIF blocks). Those 4x4 UIF block groups are + * stored in columns, with padding between the columns to ensure that + * moving from one column to the next doesn't hit the same SDRAM page + * bank. + * + * To calculate the padding, it is assumed that each hardware block + * and the software driving it knows the platform's SDRAM page size, + * number of banks, and XOR address, and that it's identical between + * all blocks using the format. This tiling modifier will use XOR as + * necessary to reduce the padding. If a hardware block can't do XOR, + * the assumption is that a no-XOR tiling modifier will be created. + */ +#define DRM_FORMAT_MOD_BROADCOM_UIF fourcc_mod_code(BROADCOM, 6) + #if defined(__cplusplus) } #endif |