linux-kernel - Re: [PATCH] drm/radeon: convert UVD v1.0 logging to drm

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Message-ID: <49971777-ffd5-4a85-b08c-f0a417f26777@amd.com>
Date: Wed, 7 Jan 2026 13:30:44 +0100
From: Christian König <christian.koenig@....com>
To: Mukesh Ogare <mukeshogare871@...il.com>, alexander.deucher@....com,
 airlied@...il.com, simona@...ll.ch, amd-gfx@...ts.freedesktop.org
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/radeon: convert UVD v1.0 logging to drm_* helpers

On 12/20/25 19:47, Mukesh Ogare wrote:
> Replace legacy DRM_ERROR()/DRM_INFO() logging in the UVD v1.0 code
> with drm_err() and drm_info() helpers that take a struct drm_device.
> 
> Using drm_* logging provides proper device context in dmesg, which is
> important for systems with multiple DRM devices, and aligns the radeon
> driver with current DRM logging practices.
> 
> No functional change intended.
> 
> Signed-off-by: Mukesh Ogare <mukeshogare871@...il.com>

Reviewed-by: Christian König <christian.koenig@....com>

> 
> diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
> index 5684639d20a6..5e6607e16244 100644
> --- a/drivers/gpu/drm/radeon/uvd_v1_0.c
> +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
> @@ -179,7 +179,7 @@ int uvd_v1_0_init(struct radeon_device *rdev)
>  
>  	r = radeon_ring_lock(rdev, ring, 10);
>  	if (r) {
> -		DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r);
> +		drm_err(&rdev->ddev, "radeon: ring failed to lock UVD ring (%d).\n", r);
>  		goto done;
>  	}
>  
> @@ -232,7 +232,7 @@ int uvd_v1_0_init(struct radeon_device *rdev)
>  			break;
>  		}
>  
> -		DRM_INFO("UVD initialized successfully.\n");
> +		drm_info(&rdev->ddev, "UVD initialized successfully.\n");
>  	}
>  
>  	return r;
> @@ -338,7 +338,7 @@ int uvd_v1_0_start(struct radeon_device *rdev)
>  		if (status & 2)
>  			break;
>  
> -		DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
> +		drm_err(&rdev->ddev, "UVD not responding, trying to reset the VCPU!!!\n");
>  		WREG32_P(UVD_SOFT_RESET, VCPU_SOFT_RESET, ~VCPU_SOFT_RESET);
>  		mdelay(10);
>  		WREG32_P(UVD_SOFT_RESET, 0, ~VCPU_SOFT_RESET);
> @@ -347,7 +347,7 @@ int uvd_v1_0_start(struct radeon_device *rdev)
>  	}
>  
>  	if (r) {
> -		DRM_ERROR("UVD not responding, giving up!!!\n");
> +		drm_err(&rdev->ddev, "UVD not responding, giving up!!!\n");
>  		return r;
>  	}
>  
> @@ -427,7 +427,7 @@ int uvd_v1_0_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
>  	WREG32(UVD_CONTEXT_ID, 0xCAFEDEAD);
>  	r = radeon_ring_lock(rdev, ring, 3);
>  	if (r) {
> -		DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n",
> +		drm_err(&rdev->ddev, "radeon: cp failed to lock ring %d (%d).\n",
>  			  ring->idx, r);
>  		return r;
>  	}
> @@ -442,10 +442,10 @@ int uvd_v1_0_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
>  	}
>  
>  	if (i < rdev->usec_timeout) {
> -		DRM_INFO("ring test on %d succeeded in %d usecs\n",
> +		drm_info(&rdev->ddev, "ring test on %d succeeded in %d usecs\n",
>  			 ring->idx, i);
>  	} else {
> -		DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
> +		drm_err(&rdev->ddev, "radeon: ring %d test failed (0x%08X)\n",
>  			  ring->idx, tmp);
>  		r = -EINVAL;
>  	}
> @@ -507,34 +507,34 @@ int uvd_v1_0_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
>  	else
>  		r = radeon_set_uvd_clocks(rdev, 53300, 40000);
>  	if (r) {
> -		DRM_ERROR("radeon: failed to raise UVD clocks (%d).\n", r);
> +		drm_err(&rdev->ddev, "radeon: failed to raise UVD clocks (%d).\n", r);
>  		return r;
>  	}
>  
>  	r = radeon_uvd_get_create_msg(rdev, ring->idx, 1, NULL);
>  	if (r) {
> -		DRM_ERROR("radeon: failed to get create msg (%d).\n", r);
> +		drm_err(&rdev->ddev, "radeon: failed to get create msg (%d).\n", r);
>  		goto error;
>  	}
>  
>  	r = radeon_uvd_get_destroy_msg(rdev, ring->idx, 1, &fence);
>  	if (r) {
> -		DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r);
> +		drm_err(&rdev->ddev, "radeon: failed to get destroy ib (%d).\n", r);
>  		goto error;
>  	}
>  
>  	r = radeon_fence_wait_timeout(fence, false, usecs_to_jiffies(
>  		RADEON_USEC_IB_TEST_TIMEOUT));
>  	if (r < 0) {
> -		DRM_ERROR("radeon: fence wait failed (%d).\n", r);
> +		drm_err(&rdev->ddev, "radeon: fence wait failed (%d).\n", r);
>  		goto error;
>  	} else if (r == 0) {
> -		DRM_ERROR("radeon: fence wait timed out.\n");
> +		drm_err(&rdev->ddev, "radeon: fence wait timed out.\n");
>  		r = -ETIMEDOUT;
>  		goto error;
>  	}
>  	r = 0;
> -	DRM_INFO("ib test on ring %d succeeded\n",  ring->idx);
> +	drm_info(&rdev->ddev, "ib test on ring %d succeeded\n",  ring->idx);
>  error:
>  	radeon_fence_unref(&fence);
>  	radeon_set_uvd_clocks(rdev, 0, 0);