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drm/radeon: fix UVD on big endian

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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);