Re: [PATCH v2 3/4] drm/i915: Make header i915_pmu.h more robust

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 07/03/2018 12:47, Michal Wajdeczko wrote:
> Definitions in i915_pmu.h header depend on other types and
> declarations that were not explicitly included. Fix that by
> adding related headers and forward declarations.
> While here, change license text to SPDX format.
> 
> v2: don't drop "intel_ringbuffer.h" (Tvrtko)
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko

> ---
>   drivers/gpu/drm/i915/i915_pmu.c | 27 +++------------------------
>   drivers/gpu/drm/i915/i915_pmu.h | 30 ++++++++++--------------------
>   2 files changed, 13 insertions(+), 44 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index 964467b..4bc7aef 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -1,33 +1,12 @@
>   /*
> - * Copyright © 2017 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> + * SPDX-License-Identifier: MIT
>    *
> + * Copyright © 2017-2018 Intel Corporation
>    */
>   
> -#include <linux/perf_event.h>
> -#include <linux/pm_runtime.h>
> -
> -#include "i915_drv.h"
>   #include "i915_pmu.h"
>   #include "intel_ringbuffer.h"
> +#include "i915_drv.h"
>   
>   /* Frequency for the sampling timer for events which need it. */
>   #define FREQUENCY 200
> diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h
> index aa1b1a9..2ba7352 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.h
> +++ b/drivers/gpu/drm/i915/i915_pmu.h
> @@ -1,29 +1,19 @@
>   /*
> - * Copyright © 2017 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> + * SPDX-License-Identifier: MIT
>    *
> + * Copyright © 2017-2018 Intel Corporation
>    */
> +
>   #ifndef __I915_PMU_H__
>   #define __I915_PMU_H__
>   
> +#include <linux/hrtimer.h>
> +#include <linux/perf_event.h>
> +#include <linux/spinlock_types.h>
> +#include <drm/i915_drm.h>
> +
> +struct drm_i915_private;
> +
>   enum {
>   	__I915_SAMPLE_FREQ_ACT = 0,
>   	__I915_SAMPLE_FREQ_REQ,
> 
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