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drm/virtio: add virtio-gpu-features debugfs file. 

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
This commit is contained in:
Gerd Hoffmann 2019-03-20 09:36:12 +01:00
parent df16a224d2
commit 6bbeae35b6
1 changed files with 26 additions and 1 deletions
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27
drivers/gpu/drm/virtio/virtgpu_debugfs.c
View File

@ -28,6 +28,30 @@
#include "virtgpu_drv.h"
static void virtio_add_bool(struct seq_file *m, const char *name,
bool value)
{
seq_printf(m, "%-16s : %s\n", name, value ? "yes" : "no");
}
static void virtio_add_int(struct seq_file *m, const char *name,
int value)
{
seq_printf(m, "%-16s : %d\n", name, value);
}
static int virtio_gpu_features(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
virtio_add_bool(m, "virgl", vgdev->has_virgl_3d);
virtio_add_bool(m, "edid", vgdev->has_edid);
virtio_add_int(m, "cap sets", vgdev->num_capsets);
virtio_add_int(m, "scanouts", vgdev->num_scanouts);
return 0;
}
static int
virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
{
@ -41,7 +65,8 @@ virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
}
static struct drm_info_list virtio_gpu_debugfs_list[] = {
{ "irq_fence", virtio_gpu_debugfs_irq_info, 0, NULL },
{ "virtio-gpu-features", virtio_gpu_features },
{ "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },
};
#define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)