drm/amdgpu/mes: fetch fw version from firmware header

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

Reviewed-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 6909af5..b10383f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -1594,6 +1594,7 @@ 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,
@@ -1631,6 +1632,10 @@ 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 96788c0..0684e48 100644 (file)
--- 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;