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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
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From:   =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>
Message-ID: <afa5b25d-11c6-94ba-81ec-ecb33af8c79e@amd.com>
Date:   Tue, 17 Apr 2018 17:52:34 +0200
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Am 17.04.2018 um 17:41 schrieb Andres Rodriguez:
>
>
> On 2018-04-17 11:33 AM, Christian König wrote:
>> 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
>
> The request_firmware() fallback does fetch the real firmware. Why 
> should a user configuration knob produce an error message if the 
> behaviour is valid?

Because the behavior isn't valid.

We ran the fallback path which is not optimal and the user should 
consider installing the missing firmware. There definitely should be a 
message about that.

I agree that it's also a good idea to note that we hit the fallback and 
not only that the firmware was missing, but that is a different issue.

Additional to that it isn't the job of the driver to print messages 
about missing firmware, so the extra message about that should be removed.

Regards,
Christian.

>
> Regards,
> Andres
>
>
>>
>> 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);
>>>>
>>