byp4a55 professor6T9

Linux sonniq.ru 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64
Apache/2.4.52 (Ubuntu)
127.0.0.1

File Name : drm_cache.h

/**************************************************************************
 *
 * Copyright 2009 Red Hat Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *
 **************************************************************************/
/*
 * Authors:
 * Dave Airlie <airlied@redhat.com>
 */

#ifndef _DRM_CACHE_H_
#define _DRM_CACHE_H_

#include <linux/scatterlist.h>

struct dma_buf_map;

void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
void drm_clflush_sg(struct sg_table *st);
void drm_clflush_virt_range(void *addr, unsigned long length);
bool drm_need_swiotlb(int dma_bits);

static inline bool drm_arch_can_wc_memory(void)
{
#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
	return false;
#elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON64)
	return false;
#elif defined(CONFIG_ARM) || defined(CONFIG_ARM64)
	/*
	 * The DRM driver stack is designed to work with cache coherent devices
	 * only, but permits an optimization to be enabled in some cases, where
	 * for some buffers, both the CPU and the GPU use uncached mappings,
	 * removing the need for DMA snooping and allocation in the CPU caches.
	 *
	 * The use of uncached GPU mappings relies on the correct implementation
	 * of the PCIe NoSnoop TLP attribute by the platform, otherwise the GPU
	 * will use cached mappings nonetheless. On x86 platforms, this does not
	 * seem to matter, as uncached CPU mappings will snoop the caches in any
	 * case. However, on ARM and arm64, enabling this optimization on a
	 * platform where NoSnoop is ignored results in loss of coherency, which
	 * breaks correct operation of the device. Since we have no way of
	 * detecting whether NoSnoop works or not, just disable this
	 * optimization entirely for ARM and arm64.
	 */
	return false;
#else
	return true;
#endif
}

void drm_memcpy_init_early(void);

void drm_memcpy_from_wc(struct dma_buf_map *dst,
			const struct dma_buf_map *src,
			unsigned long len);
#endif

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2024-10-17 07:00:14
..	dir	-	0/0	0755	2024-10-17 07:00:13
bridge	dir	-	0/0	0755	2024-10-17 07:00:14
i2c	dir	-	0/0	0755	2024-10-17 07:00:14
ttm	dir	-	0/0	0755	2024-10-17 07:00:14
amd_asic_type.h	text/x-c	2.15 KB	0/0	0644	2021-10-31 11:53:10
drm_aperture.h	text/x-c	1.13 KB	0/0	0644	2021-10-31 11:53:10
drm_atomic.h	text/x-c	40.7 KB	0/0	0644	2021-10-31 11:53:10
drm_atomic_helper.h	text/x-c	9.27 KB	0/0	0644	2021-10-31 11:53:10
drm_atomic_state_helper.h	text/x-c	4.21 KB	0/0	0644	2021-10-31 11:53:10
drm_atomic_uapi.h	text/x-c	2.17 KB	0/0	0644	2021-10-31 11:53:10
drm_audio_component.h	text/x-c	3.79 KB	0/0	0644	2021-10-31 11:53:10
drm_auth.h	text/x-c	4.64 KB	0/0	0644	2021-10-31 11:53:10
drm_blend.h	text/x-c	2.35 KB	0/0	0644	2021-10-31 11:53:10
drm_bridge.h	text/x-c	33.55 KB	0/0	0644	2024-09-27 08:21:42
drm_bridge_connector.h	text/x-c	548 B	0/0	0644	2021-10-31 11:53:10
drm_cache.h	text/x-c	3.01 KB	0/0	0644	2021-10-31 11:53:10
drm_client.h	text/x-c	4.94 KB	0/0	0644	2021-10-31 11:53:10
drm_color_mgmt.h	text/x-c	3.82 KB	0/0	0644	2024-09-27 08:21:42
drm_connector.h	text/x-c	55.93 KB	0/0	0644	2024-09-27 08:21:42
drm_crtc.h	text/x-c	44.48 KB	0/0	0644	2021-10-31 11:53:10
drm_crtc_helper.h	text/x-c	2.39 KB	0/0	0644	2021-10-31 11:53:10
drm_damage_helper.h	text/x-c	3.33 KB	0/0	0644	2021-10-31 11:53:10
drm_debugfs.h	text/x-c	3.4 KB	0/0	0644	2021-10-31 11:53:10
drm_debugfs_crc.h	text/x-c	2.66 KB	0/0	0644	2021-10-31 11:53:10
drm_device.h	text/x-c	8.52 KB	0/0	0644	2021-10-31 11:53:10
drm_displayid.h	text/x-c	3.32 KB	0/0	0644	2021-10-31 11:53:10
drm_dp_aux_bus.h	text/x-c	1.7 KB	0/0	0644	2021-10-31 11:53:10
drm_dp_dual_mode_helper.h	text/x-c	4.62 KB	0/0	0644	2021-10-31 11:53:10
drm_dp_helper.h	text/x-c	87.67 KB	0/0	0644	2024-09-27 08:21:42
drm_dp_mst_helper.h	text/x-c	27.73 KB	0/0	0644	2021-10-31 11:53:10
drm_drv.h	text/x-c	18.67 KB	0/0	0644	2021-10-31 11:53:10
drm_dsc.h	text/x-c	16.29 KB	0/0	0644	2021-10-31 11:53:10
drm_edid.h	text/x-c	17.23 KB	0/0	0644	2024-09-27 08:21:42
drm_encoder.h	text/x-c	10.64 KB	0/0	0644	2021-10-31 11:53:10
drm_encoder_slave.h	text/x-c	6.44 KB	0/0	0644	2021-10-31 11:53:10
drm_fb_cma_helper.h	text/x-c	575 B	0/0	0644	2021-10-31 11:53:10
drm_fb_helper.h	text/x-c	12.7 KB	0/0	0644	2024-09-27 08:21:42
drm_file.h	text/x-c	12.12 KB	0/0	0644	2021-10-31 11:53:10
drm_fixed.h	text/x-c	4.71 KB	0/0	0644	2024-09-27 08:21:42
drm_flip_work.h	text/x-c	3.01 KB	0/0	0644	2021-10-31 11:53:10
drm_format_helper.h	text/x-c	1.49 KB	0/0	0644	2021-10-31 11:53:10
drm_fourcc.h	text/x-c	9.7 KB	0/0	0644	2021-10-31 11:53:10
drm_framebuffer.h	text/x-c	10.4 KB	0/0	0644	2021-10-31 11:53:10
drm_gem.h	text/x-c	11.8 KB	0/0	0644	2021-10-31 11:53:10
drm_gem_atomic_helper.h	text/x-c	4.61 KB	0/0	0644	2021-10-31 11:53:10
drm_gem_cma_helper.h	text/x-c	6.83 KB	0/0	0644	2021-10-31 11:53:10
drm_gem_framebuffer_helper.h	text/x-c	2.06 KB	0/0	0644	2021-10-31 11:53:10
drm_gem_shmem_helper.h	text/x-c	8.3 KB	0/0	0644	2024-09-27 08:21:42
drm_gem_ttm_helper.h	text/x-c	861 B	0/0	0644	2021-10-31 11:53:10
drm_gem_vram_helper.h	text/x-c	6.17 KB	0/0	0644	2021-10-31 11:53:10
drm_hashtab.h	text/x-c	3.01 KB	0/0	0644	2021-10-31 11:53:10
drm_hdcp.h	text/x-c	8.79 KB	0/0	0644	2021-10-31 11:53:10
drm_ioctl.h	text/x-c	6.23 KB	0/0	0644	2021-10-31 11:53:10
drm_lease.h	text/x-c	1010 B	0/0	0644	2021-10-31 11:53:10
drm_legacy.h	text/x-c	9.26 KB	0/0	0644	2021-10-31 11:53:10
drm_managed.h	text/x-c	3.35 KB	0/0	0644	2021-10-31 11:53:10
drm_mipi_dbi.h	text/x-c	4.72 KB	0/0	0644	2021-10-31 11:53:10
drm_mipi_dsi.h	text/x-c	11.28 KB	0/0	0644	2024-09-27 08:21:42
drm_mm.h	text/x-c	17.5 KB	0/0	0644	2021-10-31 11:53:10
drm_mode_config.h	text/x-c	32.24 KB	0/0	0644	2021-10-31 11:53:10
drm_mode_object.h	text/x-c	5.17 KB	0/0	0644	2021-10-31 11:53:10
drm_modes.h	text/x-c	18.18 KB	0/0	0644	2021-10-31 11:53:10
drm_modeset_helper.h	text/x-c	1.77 KB	0/0	0644	2021-10-31 11:53:10
drm_modeset_helper_vtables.h	text/x-c	55.98 KB	0/0	0644	2021-10-31 11:53:10
drm_modeset_lock.h	text/x-c	6.8 KB	0/0	0644	2021-10-31 11:53:10
drm_of.h	text/x-c	4.11 KB	0/0	0644	2021-10-31 11:53:10
drm_panel.h	text/x-c	6.26 KB	0/0	0644	2021-10-31 11:53:10
drm_pciids.h	text/plain	66.47 KB	0/0	0644	2021-10-31 11:53:10
drm_plane.h	text/x-c	28.48 KB	0/0	0644	2021-10-31 11:53:10
drm_plane_helper.h	text/x-c	1.75 KB	0/0	0644	2021-10-31 11:53:10
drm_prime.h	text/x-c	4.07 KB	0/0	0644	2021-10-31 11:53:10
drm_print.h	text/x-c	16.17 KB	0/0	0644	2024-09-27 08:21:42
drm_probe_helper.h	text/x-c	848 B	0/0	0644	2021-10-31 11:53:10
drm_property.h	text/x-c	11.76 KB	0/0	0644	2021-10-31 11:53:10
drm_rect.h	text/x-c	6.86 KB	0/0	0644	2021-10-31 11:53:10
drm_scdc_helper.h	text/x-c	4.34 KB	0/0	0644	2021-10-31 11:53:10
drm_self_refresh_helper.h	text/x-c	594 B	0/0	0644	2021-10-31 11:53:10
drm_simple_kms_helper.h	text/x-c	8.91 KB	0/0	0644	2021-10-31 11:53:10
drm_syncobj.h	text/x-c	3.85 KB	0/0	0644	2021-10-31 11:53:10
drm_sysfs.h	text/x-c	442 B	0/0	0644	2021-10-31 11:53:10
drm_util.h	text/x-c	2.58 KB	0/0	0644	2021-10-31 11:53:10
drm_utils.h	text/x-c	504 B	0/0	0644	2021-10-31 11:53:10
drm_vblank.h	text/x-c	9.04 KB	0/0	0644	2021-10-31 11:53:10
drm_vblank_work.h	text/x-c	1.91 KB	0/0	0644	2021-10-31 11:53:10
drm_vma_manager.h	text/x-c	8.15 KB	0/0	0644	2021-10-31 11:53:10
drm_writeback.h	text/x-c	4.05 KB	0/0	0644	2021-10-31 11:53:10
gma_drm.h	text/x-c	413 B	0/0	0644	2021-10-31 11:53:10
gpu_scheduler.h	text/x-c	15.44 KB	0/0	0644	2021-10-31 11:53:10
gud.h	text/x-c	11.58 KB	0/0	0644	2021-10-31 11:53:10
i915_component.h	text/x-c	1.76 KB	0/0	0644	2021-10-31 11:53:10
i915_drm.h	text/x-c	3.6 KB	0/0	0644	2021-10-31 11:53:10
i915_mei_hdcp_interface.h	text/x-c	5.76 KB	0/0	0644	2021-10-31 11:53:10
i915_pciids.h	text/x-c	21.31 KB	0/0	0644	2024-09-27 08:21:42
intel-gtt.h	text/x-c	996 B	0/0	0644	2021-10-31 11:53:10
intel_lpe_audio.h	text/x-c	1.72 KB	0/0	0644	2021-10-31 11:53:10
spsc_queue.h	text/x-c	3.06 KB	0/0	0644	2021-10-31 11:53:10
task_barrier.h	text/x-c	2.95 KB	0/0	0644	2021-10-31 11:53:10

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