Extern or forward variable declaration drivers/gpu/drm/drm_legacy.h, line 36 [usage...] drivers/gpu/drm/i915/i915_gem_context.h, line 34 [usage...] drivers/gpu/drm/i915/i915_gem_request.h, line 33 [usage...] drivers/gpu/drm/rcar-du/rcar_du_kms.h, line 19 [usage...] include/drm/drm_agpsupport.h, line 13 [usage...] include/drm/drm_crtc.h, line 53 [usage...] include/drm/drm_drv.h, line 34 [usage...] include/drm/drm_fb_cma_helper.h, line 13 [usage...] include/drm/drm_file.h, line 41 [usage...] include/drm/drm_framebuffer.h, line 31 [usage...] include/drm/drm_ioctl.h, line 41 [usage...] include/drm/drm_mode_config.h, line 33 [usage...] include/drm/drm_prime.h, line 60 [usage...] include/drm/drm_vma_manager.h, line 32 [usage...] Structure include/drm/drm_file.h, line 154 [usage...] Local variable drivers/gpu/drm/virtio/virtgpu_ioctl.c, line 99 [usage...]