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

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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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