From: Michel Dänzer Date: Tue, 16 Jun 2009 15:29:06 +0000 (+0200) Subject: radeon: Fix CP byte order on big endian architectures with KMS. X-Git-Tag: firefly_0821_release~13691^2~8 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4e484e7dc5856ff5086b6329d82e36d4adaf1f02;p=firefly-linux-kernel-4.4.55.git radeon: Fix CP byte order on big endian architectures with KMS. Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 8f41f701f0b7..64a692c0c319 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 6d3d90406a24..e1b618574461 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)