forked from mirrors/linux
		
	 6bbeae35b6
			
		
	
	
		6bbeae35b6
		
	
	
	
	
		
			
			This file prints which features the virtio-gpu device has. Also add "virtio-gpu-" prefix to the existing fence file, to make clear this is a driver-specific debugfs file. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Link: http://patchwork.freedesktop.org/patch/msgid/20190320083612.32067-1-kraxel@redhat.com
		
			
				
	
	
		
			81 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2015 Red Hat, Inc.
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|  * All Rights Reserved.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  * "Software"), to deal in the Software without restriction, including
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|  * without limitation the rights to use, copy, modify, merge, publish,
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|  * distribute, sublicense, and/or sell copies of the Software, and to
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|  * permit persons to whom the Software is furnished to do so, subject to
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|  * the following conditions:
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|  *
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|  * The above copyright notice and this permission notice (including the
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|  * next paragraph) shall be included in all copies or substantial
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|  * portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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|  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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|  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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|  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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|  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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|  */
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| 
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| #include <linux/debugfs.h>
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| #include <drm/drmP.h>
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| 
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| #include "virtgpu_drv.h"
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| 
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| static void virtio_add_bool(struct seq_file *m, const char *name,
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| 				    bool value)
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| {
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| 	seq_printf(m, "%-16s : %s\n", name, value ? "yes" : "no");
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| }
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| 
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| static void virtio_add_int(struct seq_file *m, const char *name,
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| 				   int value)
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| {
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| 	seq_printf(m, "%-16s : %d\n", name, value);
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| }
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| 
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| static int virtio_gpu_features(struct seq_file *m, void *data)
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| {
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| 	struct drm_info_node *node = (struct drm_info_node *) m->private;
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| 	struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
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| 
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| 	virtio_add_bool(m, "virgl", vgdev->has_virgl_3d);
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| 	virtio_add_bool(m, "edid", vgdev->has_edid);
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| 	virtio_add_int(m, "cap sets", vgdev->num_capsets);
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| 	virtio_add_int(m, "scanouts", vgdev->num_scanouts);
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| 	return 0;
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| }
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| 
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| static int
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| virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
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| {
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| 	struct drm_info_node *node = (struct drm_info_node *) m->private;
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| 	struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
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| 
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| 	seq_printf(m, "fence %llu %lld\n",
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| 		   (u64)atomic64_read(&vgdev->fence_drv.last_seq),
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| 		   vgdev->fence_drv.sync_seq);
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| 	return 0;
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| }
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| 
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| static struct drm_info_list virtio_gpu_debugfs_list[] = {
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| 	{ "virtio-gpu-features", virtio_gpu_features },
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| 	{ "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },
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| };
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| 
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| #define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)
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| 
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| int
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| virtio_gpu_debugfs_init(struct drm_minor *minor)
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| {
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| 	drm_debugfs_create_files(virtio_gpu_debugfs_list,
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| 				 VIRTIO_GPU_DEBUGFS_ENTRIES,
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| 				 minor->debugfs_root, minor);
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| 	return 0;
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| }
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