Re: [PATCH] drm/amdgpu: remove h from printk format specifier

[Christian König <christian.koenig@xxxxxxx>]

Am 15.12.20 um 16:06 schrieb Tom Rix:
> On 12/15/20 6:47 AM, Christian König wrote:
> > Am 15.12.20 um 15:38 schrieb trix@xxxxxxxxxx:
> > > From: Tom Rix <trix@xxxxxxxxxx>
> > >
> > > See Documentation/core-api/printk-formats.rst.
> > > h should no longer be used in the format specifier for printk.
> > In general looks valid to me, but my question is how does that work?
> >
> > I mean we specify h here because it is a short int. Are ints always 32bit on the stack?
> The type of the argument is promoted to int.  This was discussed earlier here
>
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Flkml%2Fa68114afb134b8633905f5a25ae7c4e6799ce8f1.camel%40perches.com%2F&amp;data=04%7C01%7Cchristian.koenig%40amd.com%7C0dd6fe7c17304d4ea72a08d8a10af765%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637436415772411133%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=ta8M5iN%2Bj2J6tio%2FMuUi2lG%2BiyEhkdsFfpXcEjGKNwE%3D&amp;reserved=0

Thanks, I expected this but just wanted to double check.

In this case this patch as well as the radeon one are Reviewed-by: 
Christian König <christian.koenig@xxxxxxx>.

Regards,
Christian.

> Tom
>
> > Thanks,
> > Christian.
> >
> > > Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> > > ---
> > >    drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 4 ++--
> > >    drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 2 +-
> > >    drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 4 ++--
> > >    3 files changed, 5 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > > index 7c5b60e53482..8b989670ed66 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > > @@ -240,7 +240,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
> > >              version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
> > >            version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> > > -        DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
> > > +        DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
> > >                version_major, version_minor, family_id);
> > >              /*
> > > @@ -267,7 +267,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
> > >            dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> > >            enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
> > >            enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
> > > -        DRM_INFO("Found UVD firmware ENC: %hu.%hu DEC: .%hu Family ID: %hu\n",
> > > +        DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
> > >                enc_major, enc_minor, dec_minor, family_id);
> > >              adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> > > index 4861f8ddc1b5..ea6a62f67e38 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> > > @@ -179,7 +179,7 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
> > >        version_major = (ucode_version >> 20) & 0xfff;
> > >        version_minor = (ucode_version >> 8) & 0xfff;
> > >        binary_id = ucode_version & 0xff;
> > > -    DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
> > > +    DRM_INFO("Found VCE firmware Version: %d.%d Binary ID: %d\n",
> > >            version_major, version_minor, binary_id);
> > >        adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
> > >                    (binary_id << 8));
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
> > > index 1e756186e3f8..99b82f3c2617 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
> > > @@ -181,7 +181,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
> > >            enc_major = fw_check;
> > >            dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
> > >            vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
> > > -        DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
> > > +        DRM_INFO("Found VCN firmware Version ENC: %u.%u DEC: %u VEP: %u Revision: %u\n",
> > >                enc_major, enc_minor, dec_ver, vep, fw_rev);
> > >        } else {
> > >            unsigned int version_major, version_minor, family_id;
> > > @@ -189,7 +189,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
> > >            family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
> > >            version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
> > >            version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
> > > -        DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
> > > +        DRM_INFO("Found VCN firmware Version: %u.%u Family ID: %u\n",
> > >                version_major, version_minor, family_id);
> > >        }
> > >    

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