On 11/4/2024 8:51 PM, Alex Deucher wrote:
We need this prior to the firmware being loaded so fetch
from the header.
v2: fetch directly from the firmware
v3: store both fw versions
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 5 +++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 83d0f731fb65..dc751bdac2cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -1591,6 +1591,7 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
char ucode_prefix[30];
char fw_name[50];
bool need_retry = false;
+ u32 *ucode_ptr;
int r;
amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix,
@@ -1628,6 +1629,10 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
adev->mes.data_start_addr[pipe] =
le32_to_cpu(mes_hdr->mes_data_start_addr_lo) |
((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);
+ ucode_ptr = (u32 *)(adev->mes.fw[pipe]->data +
+ sizeof(union amdgpu_firmware_header));
+ adev->mes.fw_version[pipe] =
+ le32_to_cpu(ucode_ptr[24]) & AMDGPU_MES_VERSION_MASK;
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
int ucode, ucode_data;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index 45e3508f0f8e..56f36182c9ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -75,6 +75,7 @@ struct amdgpu_mes {
uint32_t sched_version;
uint32_t kiq_version;
+ uint32_t fw_version[AMDGPU_MAX_MES_PIPES];
bool enable_legacy_queue_map;
uint32_t total_max_queue;
This is really needed to extract MES fw version, before fw gets loaded.
Reviewed-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>