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authorHawking Zhang <Hawking.Zhang@amd.com>2021-03-09 19:36:19 +0800
committerAlex Deucher <alexander.deucher@amd.com>2021-03-23 23:29:34 -0400
commitb69d5c7e95023d370056d95e4bcddecaf4b78eda (patch)
tree44f9a804058227bfee9ab472517d5a0f9f5fda26 /drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
parentf1a8801c198c9e0368c54c4723ccbff13bb73211 (diff)
drm/amdgpu: support query ecc cap for SIENNA_CICHLID
driver needs to query umc_info_v3_3 for ecc capability in sienna_cichlid Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index d07c19508770..2b5c823995f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -117,6 +117,8 @@ union igp_info {
union umc_info {
struct atom_umc_info_v3_1 v31;
+ struct atom_umc_info_v3_2 v32;
+ struct atom_umc_info_v3_3 v33;
};
union vram_info {
@@ -365,13 +367,29 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
if (amdgpu_atom_parse_data_header(mode_info->atom_context,
index, &size, &frev, &crev, &data_offset)) {
- /* support umc_info 3.1+ */
- if ((frev == 3 && crev >= 1) || (frev > 3)) {
+ if (frev == 3) {
umc_info = (union umc_info *)
(mode_info->atom_context->bios + data_offset);
- ecc_default_enabled =
- (le32_to_cpu(umc_info->v31.umc_config) &
- UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
+ switch (crev) {
+ case 1:
+ ecc_default_enabled =
+ (le32_to_cpu(umc_info->v31.umc_config) &
+ UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
+ break;
+ case 2:
+ ecc_default_enabled =
+ (le32_to_cpu(umc_info->v32.umc_config) &
+ UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
+ break;
+ case 3:
+ ecc_default_enabled =
+ (le32_to_cpu(umc_info->v33.umc_config1) &
+ UMC_CONFIG1__ENABLE_ECC_CAPABLE) ? true : false;
+ break;
+ default:
+ /* unsupported crev */
+ return false;
+ }
}
}