drm/r600: fix rptr address along lines of previous fixes to radeon. (a7d13ad0) · Commits · e / devices / android_kernel_sony_msm8998

drivers/gpu/drm/radeon/r600_cp.c

+4 −10

Original line number	Diff line number	Diff line
		@@ -1689,18 +1689,12 @@ static void r600_cp_init_ring_buffer(struct drm_device *dev,
		} else
		#endif
		{
		struct drm_sg_mem *entry = dev->sg;
		unsigned long tmp_ofs, page_ofs;

		tmp_ofs = dev_priv->ring_rptr->offset -
		(unsigned long)dev->sg->virtual;
		page_ofs = tmp_ofs >> PAGE_SHIFT;
		RADEON_WRITE(R600_CP_RB_RPTR_ADDR,
		dev_priv->ring_rptr->offset
		- ((unsigned long) dev->sg->virtual)
		+ dev_priv->gart_vm_start);

		RADEON_WRITE(R600_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs] >> 8);
		RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI, 0);
		DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
		(unsigned long)entry->busaddr[page_ofs],
		entry->handle + tmp_ofs);
		}

		#ifdef __BIG_ENDIAN