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

diff --git a/drivers/gpu/drm/radeon/vce_v1_0.c b/drivers/gpu/drm/radeon/vce_v1_0.c
index 07a0d378e122b1b206b8aceb1a97234254d00e74..a01efe39a8206ec1b1d1fd26a3192c5d72abb885 100644 (file)
--- a/drivers/gpu/drm/radeon/vce_v1_0.c
+++ b/drivers/gpu/drm/radeon/vce_v1_0.c
@@ -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;
 }