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Commit e73f88af authored by Dave Airlie's avatar Dave Airlie
Browse files

drm: add cap bit to denote if dumb ioctl is available or not. 



This allows libkms to make an easier decision.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 9f35421e

drivers/gpu/drm/drm_ioctl.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -275,6 +275,14 @@ int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv) 
	struct drm_get_cap *req = data;

	struct drm_get_cap *req = data;





	req->value = 0;

	req->value = 0;

	switch (req->capability) {

	case DRM_CAP_DUMB_BUFFER:

		if (dev->driver->dumb_create)

			req->value = 1;

		break;

	default:

		return -EINVAL;

	}

	return 0;

	return 0;

}

}

include/drm/drm.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -752,6 +752,8 @@ struct drm_event_vblank { 
	__u32 reserved;

	__u32 reserved;

};

};





#define DRM_CAP_DUMB_BUFFER 0x1



/* typedef area */

/* typedef area */

#ifndef __KERNEL__

#ifndef __KERNEL__

typedef struct drm_clip_rect drm_clip_rect_t;

typedef struct drm_clip_rect drm_clip_rect_t;