| drm_writeback.c (97eb9eaeb95ba8eb3c7a77a7ec7786d47a1bcaee) | drm_writeback.c (e482ae9b5fdc01a343f22f52930e85a6cfdf85eb) |
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| 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. 4 * Author: Brian Starkey <brian.starkey@arm.com> 5 * 6 * This program is free software and is provided to you under the terms of the 7 * GNU General Public License version 2 as published by the Free Software 8 * Foundation, and any use by you of this program is subject to the terms --- 259 unchanged lines hidden (view full) --- 268 conn_state->writeback_job = NULL; 269 270 spin_lock_irqsave(&wb_connector->job_lock, flags); 271 list_add_tail(&job->list_entry, &wb_connector->job_queue); 272 spin_unlock_irqrestore(&wb_connector->job_lock, flags); 273} 274EXPORT_SYMBOL(drm_writeback_queue_job); 275 | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. 4 * Author: Brian Starkey <brian.starkey@arm.com> 5 * 6 * This program is free software and is provided to you under the terms of the 7 * GNU General Public License version 2 as published by the Free Software 8 * Foundation, and any use by you of this program is subject to the terms --- 259 unchanged lines hidden (view full) --- 268 conn_state->writeback_job = NULL; 269 270 spin_lock_irqsave(&wb_connector->job_lock, flags); 271 list_add_tail(&job->list_entry, &wb_connector->job_queue); 272 spin_unlock_irqrestore(&wb_connector->job_lock, flags); 273} 274EXPORT_SYMBOL(drm_writeback_queue_job); 275 |
| 276void drm_writeback_cleanup_job(struct drm_writeback_job *job) 277{ 278 if (job->fb) 279 drm_framebuffer_put(job->fb); 280 281 kfree(job); 282} 283EXPORT_SYMBOL(drm_writeback_cleanup_job); 284 |
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| 276/* 277 * @cleanup_work: deferred cleanup of a writeback job 278 * 279 * The job cannot be cleaned up directly in drm_writeback_signal_completion, 280 * because it may be called in interrupt context. Dropping the framebuffer 281 * reference can sleep, and so the cleanup is deferred to a workqueue. 282 */ 283static void cleanup_work(struct work_struct *work) 284{ 285 struct drm_writeback_job *job = container_of(work, 286 struct drm_writeback_job, 287 cleanup_work); | 285/* 286 * @cleanup_work: deferred cleanup of a writeback job 287 * 288 * The job cannot be cleaned up directly in drm_writeback_signal_completion, 289 * because it may be called in interrupt context. Dropping the framebuffer 290 * reference can sleep, and so the cleanup is deferred to a workqueue. 291 */ 292static void cleanup_work(struct work_struct *work) 293{ 294 struct drm_writeback_job *job = container_of(work, 295 struct drm_writeback_job, 296 cleanup_work); |
| 288 drm_framebuffer_put(job->fb); 289 kfree(job); | 297 298 drm_writeback_cleanup_job(job); |
| 290} 291 | 299} 300 |
| 292 | |
| 293/** 294 * drm_writeback_signal_completion - Signal the completion of a writeback job 295 * @wb_connector: The writeback connector whose job is complete 296 * @status: Status code to set in the writeback out_fence (0 for success) 297 * 298 * Drivers should call this to signal the completion of a previously queued 299 * writeback job. It should be called as soon as possible after the hardware 300 * has finished writing, and may be called from interrupt context. --- 58 unchanged lines hidden --- | 301/** 302 * drm_writeback_signal_completion - Signal the completion of a writeback job 303 * @wb_connector: The writeback connector whose job is complete 304 * @status: Status code to set in the writeback out_fence (0 for success) 305 * 306 * Drivers should call this to signal the completion of a previously queued 307 * writeback job. It should be called as soon as possible after the hardware 308 * has finished writing, and may be called from interrupt context. --- 58 unchanged lines hidden --- |