linux-kernel - Re: [PATCH] drm/i915: use IOMEM_ERR

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Date:   Wed, 4 May 2022 13:11:41 +0100
From:   Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/i915: use IOMEM_ERR_PTR() directly


On 02/05/2022 09:30, Jani Nikula wrote:
> On Mon, 02 May 2022, Kefeng Wang <wangkefeng.wang@...wei.com> wrote:
>> Use IOMEM_ERR_PTR() instead of self defined IO_ERR_PTR().
>>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> 
> Reviewed-by: Jani Nikula <jani.nikula@...el.com>

Pushed to drm-intel-gt-next, thanks for the patch and review!

Regards,

Tvrtko

> 
>> ---
>>   drivers/gpu/drm/i915/i915_vma.c | 4 ++--
>>   drivers/gpu/drm/i915/i915_vma.h | 1 -
>>   2 files changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
>> index 94fcdb7bd21d..639605c89b7b 100644
>> --- a/drivers/gpu/drm/i915/i915_vma.c
>> +++ b/drivers/gpu/drm/i915/i915_vma.c
>> @@ -541,7 +541,7 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma)
>>   	int err;
>>   
>>   	if (WARN_ON_ONCE(vma->obj->flags & I915_BO_ALLOC_GPU_ONLY))
>> -		return IO_ERR_PTR(-EINVAL);
>> +		return IOMEM_ERR_PTR(-EINVAL);
>>   
>>   	if (!i915_gem_object_is_lmem(vma->obj)) {
>>   		if (GEM_WARN_ON(!i915_vma_is_map_and_fenceable(vma))) {
>> @@ -594,7 +594,7 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma)
>>   err_unpin:
>>   	__i915_vma_unpin(vma);
>>   err:
>> -	return IO_ERR_PTR(err);
>> +	return IOMEM_ERR_PTR(err);
>>   }
>>   
>>   void i915_vma_flush_writes(struct i915_vma *vma)
>> diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
>> index 67ae7341c7e0..8e74972fdca3 100644
>> --- a/drivers/gpu/drm/i915/i915_vma.h
>> +++ b/drivers/gpu/drm/i915/i915_vma.h
>> @@ -331,7 +331,6 @@ static inline bool i915_node_color_differs(const struct drm_mm_node *node,
>>    * Returns a valid iomapped pointer or ERR_PTR.
>>    */
>>   void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
>> -#define IO_ERR_PTR(x) ((void __iomem *)ERR_PTR(x))
>>   
>>   /**
>>    * i915_vma_unpin_iomap - unpins the mapping returned from i915_vma_iomap
>