UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

radeon: Fix CP byte order on big endian architectures with KMS. 

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2009-06-16 17:29:06 +02:00 committed by Dave Airlie
parent 62369028c7
commit 4e484e7dc5
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/radeon/r100.c
View File

@ -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) |

1
drivers/gpu/drm/radeon/radeon_reg.h
View File

@ -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)