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drm/radeon: properly byte swap vce firmware setup 

Firmware is LE.  Need to properly byteswap some of the fields
so they are interpreted correctly by the driver on BE systems.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2016-01-22 00:13:15 -05:00
parent 9441f964f8
commit cc78eb2288
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/radeon/vce_v1_0.c
View File

@ -178,12 +178,12 @@ int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
return -EINVAL;
}
for (i = 0; i < sign->num; ++i) {
if (sign->val[i].chip_id == chip_id)
for (i = 0; i < le32_to_cpu(sign->num); ++i) {
if (le32_to_cpu(sign->val[i].chip_id) == chip_id)
break;
}
if (i == sign->num)
if (i == le32_to_cpu(sign->num))
return -EINVAL;
data += (256 - 64) / 4;
@ -191,18 +191,18 @@ int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
data[1] = sign->val[i].nonce[1];
data[2] = sign->val[i].nonce[2];
data[3] = sign->val[i].nonce[3];
data[4] = sign->len + 64;
data[4] = cpu_to_le32(le32_to_cpu(sign->len) + 64);
memset(&data[5], 0, 44);
memcpy(&data[16], &sign[1], rdev->vce_fw->size - sizeof(*sign));
data += data[4] / 4;
data += le32_to_cpu(data[4]) / 4;
data[0] = sign->val[i].sigval[0];
data[1] = sign->val[i].sigval[1];
data[2] = sign->val[i].sigval[2];
data[3] = sign->val[i].sigval[3];
rdev->vce.keyselect = sign->val[i].keyselect;
rdev->vce.keyselect = le32_to_cpu(sign->val[i].keyselect);
return 0;
}