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Subject: Re: [PATCH 6/8] drm/amdgpu: use firmware_request_nowarn to load
 firmware
To:     Andres Rodriguez <andresx7@gmail.com>, linux-kernel@vger.kernel.org
Cc:     gregkh@linuxfoundation.org, mcgrof@kernel.org,
        alexdeucher@gmail.com, kvalo@codeaurora.org,
        arend.vanspriel@broadcom.com
References: <20180416222427.29683-1-andresx7@gmail.com>
 <20180416222427.29683-7-andresx7@gmail.com>
 <2c27b97a-5cb7-92c3-d4d8-a9d274a2f1cf@amd.com>
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From:   =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>
Message-ID: <459ec1e2-bb64-c5c5-75c0-47f443b35cc6@amd.com>
Date:   Tue, 17 Apr 2018 17:33:37 +0200
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Am 17.04.2018 um 17:07 schrieb Andres Rodriguez:
>
>
> On 2018-04-17 04:48 AM, Christian König wrote:
>> Well this is a rather big NAK for this patch.
>>
>> Only a small fraction of the firmware files amdgpu uses are actually 
>> optional (the ones with the *_2.bin name). All other files are 
>> mandatory for correct driver operation.
>>
>> There is a fallback when actually no firmware files at all are found, 
>> in this case we at least try to get a picture on the screen so that 
>> the user gets a hint on what is wrong. But this path isn't tested 
>> well and breaks from time to time.
>>
>> So when you get a message like "Direct firmware load for * failed 
>> with error -2" even if it's one of the "*_2.bin" files that is a 
>> clear hint that you should update your firmware package.
>
> The amdgpu driver already provides clear messages when a required 
> firmware file is not found. After request_firmware() returns an error, 
> we will print:
> "{ip_name}: Failed to load firmware {fw_name}"
>
> When the firmware is optional, we won't print that message, and handle 
> the firmware load in an appropriate way (re-use _1 firmware for_2 etc.)
>
> Note that we care about informing the user *only* if the firmware was 
> not found. If the firmware ends up coming from the fallback loader, 
> but we do receive it, then we don't really care.

And that is exactly what I disagree on. Even when we used the fallback 
there should definitely be an error message that the real firmware 
wasn't found.

We should probably add a message that the fallback is used and remove 
the error message that the firmware couldn't be loaded.

Regards,
Christian.

>
> This is specially important since we don't print a success message on 
> firmware load. So if we hit the fallback loader, the user will see a 
> warning followed by silence, so it could cause confusion on whether 
> the firmware load succeed or not.
>
> These are my 2c in the matter.
>
> Regards,
> Andres
>
>
>>
>> Regards,
>> Christian.
>>
>> Am 17.04.2018 um 00:24 schrieb Andres Rodriguez:
>>> Currently, during the normal boot process the amdgpu driver will 
>>> produce
>>> spew like the following in dmesg:
>>> Direct firmware load for amdgpu/polaris10_mec_2.bin failed with 
>>> error -2
>>>
>>> This happens when amdgpu tries to load optional firmware files. So the
>>> error does not affect the startup sequence.
>>>
>>> This patch switches the amdgpu to use firmware_request_nowarn(), which
>>> will not produce the warnings mentioned above. Hopefully resulting in a
>>> cleaner bootup log.
>>>
>>> Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
>>> ---
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c    |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  4 ++--
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h  |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c    |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c    |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c    |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/ci_dpm.c        |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/cik_sdma.c      |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c      |  8 ++++----
>>>   drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c      | 12 +++++------
>>>   drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c      | 32 
>>> +++++++++++++++---------------
>>>   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c      | 12 +++++------
>>>   drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c      |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c      |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c      |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/psp_v10_0.c     |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/psp_v3_1.c      |  4 ++--
>>>   drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c     |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c     |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c     |  2 +-
>>>   drivers/gpu/drm/amd/amdgpu/si_dpm.c        |  2 +-
>>>   21 files changed, 51 insertions(+), 51 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c 
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
>>> index 4466f3535e2d..6c950811c0a5 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
>>> @@ -811,7 +811,7 @@ static int amdgpu_cgs_get_firmware_info(struct 
>>> cgs_device *cgs_device,
>>>                   return -EINVAL;
>>>               }
>>> -            err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
>>> +            err = firmware_request_nowarn(&adev->pm.fw, fw_name, 
>>> adev->dev);
>>>               if (err) {
>>>                   DRM_ERROR("Failed to request firmware\n");
>>>                   return err;
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>> index af1b879a9ee9..d6225619e69f 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>> @@ -696,7 +696,7 @@ bool amdgpu_device_need_post(struct 
>>> amdgpu_device *adev)
>>>           if (adev->asic_type == CHIP_FIJI) {
>>>               int err;
>>>               uint32_t fw_ver;
>>> -            err = request_firmware(&adev->pm.fw, 
>>> "amdgpu/fiji_smc.bin", adev->dev);
>>> +            err = firmware_request_nowarn(&adev->pm.fw, 
>>> "amdgpu/fiji_smc.bin", adev->dev);
>>>               /* force vPost if error occured */
>>>               if (err)
>>>                   return true;
>>> @@ -1133,7 +1133,7 @@ static int 
>>> amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, 
>>> adev->dev);
>>> +    err = firmware_request_nowarn(&adev->firmware.gpu_info_fw, 
>>> fw_name, adev->dev);
>>>       if (err) {
>>>           dev_err(adev->dev,
>>>               "Failed to load gpu_info firmware \"%s\"\n",
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h 
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
>>> index 30b5500dc152..0acd1f3d14c8 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
>>> @@ -196,7 +196,7 @@ enum AMDGPU_UCODE_STATUS {
>>>   struct amdgpu_firmware_info {
>>>       /* ucode ID */
>>>       enum AMDGPU_UCODE_ID ucode_id;
>>> -    /* request_firmware */
>>> +    /* firmware_request */
>>>       const struct firmware *fw;
>>>       /* starting mc address */
>>>       uint64_t mc_addr;
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c 
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>>> index b2eae86bf906..4de018d45081 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>>> @@ -171,7 +171,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
>>>           return -EINVAL;
>>>       }
>>> -    r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
>>> +    r = firmware_request_nowarn(&adev->uvd.fw, fw_name, adev->dev);
>>>       if (r) {
>>>           dev_err(adev->dev, "amdgpu_uvd: Can't load firmware 
>>> \"%s\"\n",
>>>               fw_name);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c 
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>>> index d274ae535530..b6af824a2f44 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>>> @@ -138,7 +138,7 @@ int amdgpu_vce_sw_init(struct amdgpu_device 
>>> *adev, unsigned long size)
>>>           return -EINVAL;
>>>       }
>>> -    r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
>>> +    r = firmware_request_nowarn(&adev->vce.fw, fw_name, adev->dev);
>>>       if (r) {
>>>           dev_err(adev->dev, "amdgpu_vce: Can't load firmware 
>>> \"%s\"\n",
>>>               fw_name);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c 
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> index 837962118dbc..bd650b87e281 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
>>> @@ -67,7 +67,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
>>>           return -EINVAL;
>>>       }
>>> -    r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
>>> +    r = firmware_request_nowarn(&adev->vcn.fw, fw_name, adev->dev);
>>>       if (r) {
>>>           dev_err(adev->dev, "amdgpu_vcn: Can't load firmware 
>>> \"%s\"\n",
>>>               fw_name);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c 
>>> b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
>>> index a0943aa8d1d3..95e1edc1311d 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
>>> @@ -5849,7 +5849,7 @@ static int ci_dpm_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->pm.fw, fw_name, adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->pm.fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c 
>>> b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
>>> index 6e8278e689b1..93c8acca0360 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
>>> @@ -135,7 +135,7 @@ static int cik_sdma_init_microcode(struct 
>>> amdgpu_device *adev)
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "radeon/%s_sdma.bin", chip_name);
>>>           else
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "radeon/%s_sdma1.bin", chip_name);
>>> -        err = request_firmware(&adev->sdma.instance[i].fw, fw_name, 
>>> adev->dev);
>>> +        err = firmware_request_nowarn(&adev->sdma.instance[i].fw, 
>>> fw_name, adev->dev);
>>>           if (err)
>>>               goto out;
>>>           err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
>>> index 9870d83b68c1..8aebab5edf15 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
>>> @@ -335,7 +335,7 @@ static int gfx_v6_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.pfp_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
>>> @@ -346,7 +346,7 @@ static int gfx_v6_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       adev->gfx.pfp_feature_version = 
>>> le32_to_cpu(cp_hdr->ucode_feature_version);
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.me_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.me_fw);
>>> @@ -357,7 +357,7 @@ static int gfx_v6_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       adev->gfx.me_feature_version = 
>>> le32_to_cpu(cp_hdr->ucode_feature_version);
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.ce_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.ce_fw);
>>> @@ -368,7 +368,7 @@ static int gfx_v6_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       adev->gfx.ce_feature_version = 
>>> le32_to_cpu(cp_hdr->ucode_feature_version);
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.rlc_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
>>> index a066c5eda135..35a0e46464a5 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
>>> @@ -926,7 +926,7 @@ static int gfx_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.pfp_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
>>> @@ -934,7 +934,7 @@ static int gfx_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           goto out;
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.me_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.me_fw);
>>> @@ -942,7 +942,7 @@ static int gfx_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           goto out;
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.ce_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.ce_fw);
>>> @@ -950,7 +950,7 @@ static int gfx_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           goto out;
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_mec.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.mec_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.mec_fw);
>>> @@ -959,7 +959,7 @@ static int gfx_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       if (adev->asic_type == CHIP_KAVERI) {
>>>           snprintf(fw_name, sizeof(fw_name), "radeon/%s_mec2.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.mec2_fw, fw_name, 
>>> adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.mec2_fw, fw_name, 
>>> adev->dev);
>>>           if (err)
>>>               goto out;
>>>           err = amdgpu_ucode_validate(adev->gfx.mec2_fw);
>>> @@ -968,7 +968,7 @@ static int gfx_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.rlc_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
>>> index 4e694ae9f308..c16cd96a1557 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
>>> @@ -936,14 +936,14 @@ static int gfx_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= 
>>> CHIP_POLARIS12) {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp_2.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.pfp_fw, fw_name, 
>>> adev->dev);
>>>           if (err == -ENOENT) {
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_pfp.bin", chip_name);
>>> -            err = request_firmware(&adev->gfx.pfp_fw, fw_name, 
>>> adev->dev);
>>> +            err = firmware_request_nowarn(&adev->gfx.pfp_fw, 
>>> fw_name, adev->dev);
>>>           }
>>>       } else {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.pfp_fw, fw_name, 
>>> adev->dev);
>>>       }
>>>       if (err)
>>>           goto out;
>>> @@ -956,14 +956,14 @@ static int gfx_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= 
>>> CHIP_POLARIS12) {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me_2.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.me_fw, fw_name, 
>>> adev->dev);
>>>           if (err == -ENOENT) {
>>>               snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", 
>>> chip_name);
>>> -            err = request_firmware(&adev->gfx.me_fw, fw_name, 
>>> adev->dev);
>>> +            err = firmware_request_nowarn(&adev->gfx.me_fw, 
>>> fw_name, adev->dev);
>>>           }
>>>       } else {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.me_fw, fw_name, 
>>> adev->dev);
>>>       }
>>>       if (err)
>>>           goto out;
>>> @@ -977,14 +977,14 @@ static int gfx_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= 
>>> CHIP_POLARIS12) {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce_2.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.ce_fw, fw_name, 
>>> adev->dev);
>>>           if (err == -ENOENT) {
>>>               snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", 
>>> chip_name);
>>> -            err = request_firmware(&adev->gfx.ce_fw, fw_name, 
>>> adev->dev);
>>> +            err = firmware_request_nowarn(&adev->gfx.ce_fw, 
>>> fw_name, adev->dev);
>>>           }
>>>       } else {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.ce_fw, fw_name, 
>>> adev->dev);
>>>       }
>>>       if (err)
>>>           goto out;
>>> @@ -1007,7 +1007,7 @@ static int gfx_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           adev->virt.chained_ib_support = false;
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.rlc_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
>>> @@ -1057,14 +1057,14 @@ static int gfx_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= 
>>> CHIP_POLARIS12) {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec_2.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.mec_fw, fw_name, 
>>> adev->dev);
>>>           if (err == -ENOENT) {
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_mec.bin", chip_name);
>>> -            err = request_firmware(&adev->gfx.mec_fw, fw_name, 
>>> adev->dev);
>>> +            err = firmware_request_nowarn(&adev->gfx.mec_fw, 
>>> fw_name, adev->dev);
>>>           }
>>>       } else {
>>>           snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", 
>>> chip_name);
>>> -        err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
>>> +        err = firmware_request_nowarn(&adev->gfx.mec_fw, fw_name, 
>>> adev->dev);
>>>       }
>>>       if (err)
>>>           goto out;
>>> @@ -1079,14 +1079,14 @@ static int gfx_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           (adev->asic_type != CHIP_TOPAZ)) {
>>>           if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type 
>>> <= CHIP_POLARIS12) {
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_mec2_2.bin", chip_name);
>>> -            err = request_firmware(&adev->gfx.mec2_fw, fw_name, 
>>> adev->dev);
>>> +            err = firmware_request_nowarn(&adev->gfx.mec2_fw, 
>>> fw_name, adev->dev);
>>>               if (err == -ENOENT) {
>>>                   snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_mec2.bin", chip_name);
>>> -                err = request_firmware(&adev->gfx.mec2_fw, fw_name, 
>>> adev->dev);
>>> +                err = firmware_request_nowarn(&adev->gfx.mec2_fw, 
>>> fw_name, adev->dev);
>>>               }
>>>           } else {
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_mec2.bin", chip_name);
>>> -            err = request_firmware(&adev->gfx.mec2_fw, fw_name, 
>>> adev->dev);
>>> +            err = firmware_request_nowarn(&adev->gfx.mec2_fw, 
>>> fw_name, adev->dev);
>>>           }
>>>           if (!err) {
>>>               err = amdgpu_ucode_validate(adev->gfx.mec2_fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>>> index c06479615e8a..9f70012c81ad 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>>> @@ -370,7 +370,7 @@ static int gfx_v9_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.pfp_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
>>> @@ -381,7 +381,7 @@ static int gfx_v9_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       adev->gfx.pfp_feature_version = 
>>> le32_to_cpu(cp_hdr->ucode_feature_version);
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.me_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.me_fw);
>>> @@ -392,7 +392,7 @@ static int gfx_v9_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       adev->gfx.me_feature_version = 
>>> le32_to_cpu(cp_hdr->ucode_feature_version);
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.ce_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.ce_fw);
>>> @@ -403,7 +403,7 @@ static int gfx_v9_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       adev->gfx.ce_feature_version = 
>>> le32_to_cpu(cp_hdr->ucode_feature_version);
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.rlc_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
>>> @@ -449,7 +449,7 @@ static int gfx_v9_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           adev->gfx.rlc.register_restore[i] = le32_to_cpu(tmp[i]);
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.mec_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->gfx.mec_fw);
>>> @@ -461,7 +461,7 @@ static int gfx_v9_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->gfx.mec2_fw, fw_name, 
>>> adev->dev);
>>>       if (!err) {
>>>           err = amdgpu_ucode_validate(adev->gfx.mec2_fw);
>>>           if (err)
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>>> index 8e28270d1ea9..4192a5a0c444 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>>> @@ -136,7 +136,7 @@ static int gmc_v6_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>           snprintf(fw_name, sizeof(fw_name), "radeon/si58_mc.bin");
>>>       else
>>>           snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->mc.fw, fw_name, adev->dev);
>>>       if (err)
>>>           goto out;
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>>> index 86e9d682c59e..06deba7f707d 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>>> @@ -151,7 +151,7 @@ static int gmc_v7_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       else
>>>           snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->mc.fw, fw_name, adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->mc.fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>>> index 9a813d834f1a..cbce96198dbc 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>>> @@ -235,7 +235,7 @@ static int gmc_v8_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->mc.fw, fw_name, adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->mc.fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
>>> index 5a9fe24697f9..718722ef1835 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
>>> @@ -105,7 +105,7 @@ int psp_v10_0_init_microcode(struct psp_context 
>>> *psp)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->psp.asd_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c 
>>> b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
>>> index 19bd1934e63d..dd5261577d9b 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
>>> @@ -111,7 +111,7 @@ int psp_v3_1_init_microcode(struct psp_context 
>>> *psp)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->psp.sos_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>> @@ -131,7 +131,7 @@ int psp_v3_1_init_microcode(struct psp_context 
>>> *psp)
>>>                   le32_to_cpu(hdr->sos_offset_bytes);
>>>       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->psp.asd_fw, fw_name, 
>>> adev->dev);
>>>       if (err)
>>>           goto out;
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c 
>>> b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
>>> index d4787ad4d346..a2afbaacc7e5 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
>>> @@ -146,7 +146,7 @@ static int sdma_v2_4_init_microcode(struct 
>>> amdgpu_device *adev)
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_sdma.bin", chip_name);
>>>           else
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_sdma1.bin", chip_name);
>>> -        err = request_firmware(&adev->sdma.instance[i].fw, fw_name, 
>>> adev->dev);
>>> +        err = firmware_request_nowarn(&adev->sdma.instance[i].fw, 
>>> fw_name, adev->dev);
>>>           if (err)
>>>               goto out;
>>>           err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
>>> index 521978c40537..75d2a9cc9268 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
>>> @@ -298,7 +298,7 @@ static int sdma_v3_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_sdma.bin", chip_name);
>>>           else
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_sdma1.bin", chip_name);
>>> -        err = request_firmware(&adev->sdma.instance[i].fw, fw_name, 
>>> adev->dev);
>>> +        err = firmware_request_nowarn(&adev->sdma.instance[i].fw, 
>>> fw_name, adev->dev);
>>>           if (err)
>>>               goto out;
>>>           err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c 
>>> b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>>> index 91cf95a8c39c..e1ebfb9e2650 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
>>> @@ -176,7 +176,7 @@ static int sdma_v4_0_init_microcode(struct 
>>> amdgpu_device *adev)
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_sdma.bin", chip_name);
>>>           else
>>>               snprintf(fw_name, sizeof(fw_name), 
>>> "amdgpu/%s_sdma1.bin", chip_name);
>>> -        err = request_firmware(&adev->sdma.instance[i].fw, fw_name, 
>>> adev->dev);
>>> +        err = firmware_request_nowarn(&adev->sdma.instance[i].fw, 
>>> fw_name, adev->dev);
>>>           if (err)
>>>               goto out;
>>>           err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c 
>>> b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
>>> index ce675a7f179a..5538a5269417 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
>>> @@ -7687,7 +7687,7 @@ static int si_dpm_init_microcode(struct 
>>> amdgpu_device *adev)
>>>       }
>>>       snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", 
>>> chip_name);
>>> -    err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
>>> +    err = firmware_request_nowarn(&adev->pm.fw, fw_name, adev->dev);
>>>       if (err)
>>>           goto out;
>>>       err = amdgpu_ucode_validate(adev->pm.fw);
>>