mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-27 19:29:37 +00:00
Code Issues Releases Wiki Activity

drm/radeon: properly byte swap vce firmware setup

Browse source 
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;
}