diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 8f41f701f0b7db8d9d65f2613a71cb54542b4270..64a692c0c31925dcabbc50bfb9f4e6e4ccb5f215 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -551,6 +551,9 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) /* cp setup */ WREG32(0x718, pre_write_timer | (pre_write_limit << 28)); WREG32(RADEON_CP_RB_CNTL, +#ifdef __BIG_ENDIAN + RADEON_BUF_SWAP_32BIT | +#endif REG_SET(RADEON_RB_BUFSZ, rb_bufsz) | REG_SET(RADEON_RB_BLKSZ, rb_blksz) | REG_SET(RADEON_MAX_FETCH, max_fetch) | diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h index 6d3d90406a244a97c541358b13528a212275bb38..e1b618574461b2a4659829a47f9ac986be37dc11 100644 --- a/drivers/gpu/drm/radeon/radeon_reg.h +++ b/drivers/gpu/drm/radeon/radeon_reg.h @@ -3184,6 +3184,7 @@ # define RADEON_RB_BUFSZ_MASK (0x3f << 0) # define RADEON_RB_BLKSZ_SHIFT 8 # define RADEON_RB_BLKSZ_MASK (0x3f << 8) +# define RADEON_BUF_SWAP_32BIT (1 << 17) # define RADEON_MAX_FETCH_SHIFT 18 # define RADEON_MAX_FETCH_MASK (0x3 << 18) # define RADEON_RB_NO_UPDATE (1 << 27)