[Public]
Reviewed-by: Guchun Chen <guchun.chen@xxxxxxx>
Regards,
Guchun
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Yang Wang
Sent: Wednesday, November 24, 2021 12:37 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>
Subject: [PATCH] drm/amdgpu: fix byteorder error in amdgpu discovery
fix some byteorder issues about amdgpu discovery.
This will result in running errors on the big end system. (e.g:MIPS)
Signed-off-by: Yang Wang <KevinYang.Wang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 4e3669407518..503995c7ff6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -248,8 +248,8 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
offset = offsetof(struct binary_header, binary_checksum) +
sizeof(bhdr->binary_checksum);
- size = bhdr->binary_size - offset;
- checksum = bhdr->binary_checksum;
+ size = le16_to_cpu(bhdr->binary_size) - offset;
+ checksum = le16_to_cpu(bhdr->binary_checksum);
if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
size, checksum)) {
@@ -270,7 +270,7 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
}
if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
- ihdr->size, checksum)) {
+ le16_to_cpu(ihdr->size), checksum)) {
DRM_ERROR("invalid ip discovery data table checksum\n");
r = -EINVAL;
goto out;
@@ -282,7 +282,7 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
ghdr = (struct gpu_info_header *)(adev->mman.discovery_bin + offset);
if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
- ghdr->size, checksum)) {
+ le32_to_cpu(ghdr->size), checksum)) {
DRM_ERROR("invalid gc data table checksum\n");
r = -EINVAL;
goto out;
@@ -489,10 +489,10 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
le16_to_cpu(bhdr->table_list[HARVEST_INFO].offset));
for (i = 0; i < 32; i++) {
- if (le32_to_cpu(harvest_info->list[i].hw_id) == 0)
+ if (le16_to_cpu(harvest_info->list[i].hw_id) == 0)
break;
- switch (le32_to_cpu(harvest_info->list[i].hw_id)) {
+ switch (le16_to_cpu(harvest_info->list[i].hw_id)) {
case VCN_HWID:
vcn_harvest_count++;
if (harvest_info->list[i].number_instance == 0)
--
2.25.1
