On Wed, 2020-04-08 at 09:37 -0400, Aurabindo Pillai wrote:
> amdgpu uses lots of pr_* calls for printing error messages.
> With this prefix, errors shall be more obvious to the end
> use regarding its origin, and may help debugging.
>
> Prefix format:
>
> [xxx.xxxxx] amdgpu: ...
[]
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
[]
> @@ -28,6 +28,12 @@
> #ifndef __AMDGPU_H__
> #define __AMDGPU_H__
>
> +#ifdef pr_fmt
> +#undef pr_fmt
> +#endif
> +
> +#define pr_fmt(fmt) "amdgpu: " fmt
> +
> #include "amdgpu_ctx.h"
>
> #include <linux/atomic.h>
All the embedded uses of "amdgpu:" in logging
messages should also be deleted.
$ git grep -P '(?:dev_|pr_).*"amdgpu:' drivers/gpu/drm/amd/amdgpu/
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: pr_err("amdgpu: failed to validate PT BOs\n");
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: pr_err("amdgpu: failed to validate PD\n");
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: pr_err("amdgpu: failed to kmap PD, ret=%d\n", ret);
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: pr_info("amdgpu: switched on\n");
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: pr_info("amdgpu: switched off\n");
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c: dev_dbg(adev->dev, "amdgpu: using MSI/MSI-X.\n");
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c: dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c: pr_warn("amdgpu: No suitable DMA available\n");
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c: pr_warn("amdgpu: No suitable DMA available\n");
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