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drm/radeon: fix UVD on big endian 

This fixes the kernel side so that the ring should come
up and ring and IB tests should work.  The userspace
UVD drivers will also need big endian fixes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-07 10:04:54 -04:00
parent 089920f21d
commit 9b1be4dc02
2 changed files with 27 additions and 20 deletions
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13
drivers/gpu/drm/radeon/r600.c
View File

@ -2687,6 +2687,9 @@ void r600_uvd_rbc_stop(struct radeon_device *rdev)
int r600_uvd_init(struct radeon_device *rdev)
{
int i, j, r;
/* disable byte swapping */
u32 lmi_swap_cntl = 0;
u32 mp_swap_cntl = 0;
/* raise clocks while booting up the VCPU */
radeon_set_uvd_clocks(rdev, 53300, 40000);
@ -2711,9 +2714,13 @@ int r600_uvd_init(struct radeon_device *rdev)
WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
(1 << 21) | (1 << 9) | (1 << 20));
/* disable byte swapping */
WREG32(UVD_LMI_SWAP_CNTL, 0);
WREG32(UVD_MP_SWAP_CNTL, 0);
#ifdef __BIG_ENDIAN
/* swap (8 in 32) RB and IB */
lmi_swap_cntl = 0xa;
mp_swap_cntl = 0;
#endif
WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl);
WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl);
WREG32(UVD_MPC_SET_MUXA0, 0x40c2040);
WREG32(UVD_MPC_SET_MUXA1, 0x0);

34
drivers/gpu/drm/radeon/radeon_uvd.c
View File

@ -627,19 +627,19 @@ int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
}
/* stitch together an UVD create msg */
msg[0] = 0x00000de4;
msg[1] = 0x00000000;
msg[2] = handle;
msg[3] = 0x00000000;
msg[4] = 0x00000000;
msg[5] = 0x00000000;
msg[6] = 0x00000000;
msg[7] = 0x00000780;
msg[8] = 0x00000440;
msg[9] = 0x00000000;
msg[10] = 0x01b37000;
msg[0] = cpu_to_le32(0x00000de4);
msg[1] = cpu_to_le32(0x00000000);
msg[2] = cpu_to_le32(handle);
msg[3] = cpu_to_le32(0x00000000);
msg[4] = cpu_to_le32(0x00000000);
msg[5] = cpu_to_le32(0x00000000);
msg[6] = cpu_to_le32(0x00000000);
msg[7] = cpu_to_le32(0x00000780);
msg[8] = cpu_to_le32(0x00000440);
msg[9] = cpu_to_le32(0x00000000);
msg[10] = cpu_to_le32(0x01b37000);
for (i = 11; i < 1024; ++i)
msg[i] = 0x0;
msg[i] = cpu_to_le32(0x0);
radeon_bo_kunmap(bo);
radeon_bo_unreserve(bo);
@ -673,12 +673,12 @@ int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
}
/* stitch together an UVD destroy msg */
msg[0] = 0x00000de4;
msg[1] = 0x00000002;
msg[2] = handle;
msg[3] = 0x00000000;
msg[0] = cpu_to_le32(0x00000de4);
msg[1] = cpu_to_le32(0x00000002);
msg[2] = cpu_to_le32(handle);
msg[3] = cpu_to_le32(0x00000000);
for (i = 4; i < 1024; ++i)
msg[i] = 0x0;
msg[i] = cpu_to_le32(0x0);
radeon_bo_kunmap(bo);
radeon_bo_unreserve(bo);