Commit 050828e9 authored by Ilia Mirkin's avatar Ilia Mirkin Committed by Ben Skeggs
Browse files

drm/nv10/plane: add downscaling restrictions 



Signed-off-by: default avatarIlia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 92e5b0a2

drivers/gpu/drm/nouveau/dispnv04/overlay.c

+9 −1
Original line number Diff line number Diff line
@@ -112,7 +112,15 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, 
	format = ALIGN(src_w * 4, 0x100);



	if (format > 0xffff)

		return -EINVAL;

		return -ERANGE;



	if (dev->chipset >= 0x30) {

		if (crtc_w < (src_w >> 1) || crtc_h < (src_h >> 1))

			return -ERANGE;

	} else {

		if (crtc_w < (src_w >> 3) || crtc_h < (src_h >> 3))

			return -ERANGE;

	}



	ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM);

	if (ret)