[Intel-gfx] [PATCH] drm/i915: Switch kunmap() to take the page not vaddr

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> On converting from kunmap_atomic() to kunamp() one must remember the
> latter takes the struct page, the former the vaddr.
>
> Fixes: 48715f700174 ("drm/i915: Avoid atomic context for error capture")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Would it have been otherway around, we would have been caught as,
        BUILD_BUG_ON(__same_type((addr), struct page *));       \

Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_gpu_error.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> index 7118ecb7f144..2b30a45fa25c 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> @@ -1045,7 +1045,7 @@ i915_error_object_create(struct drm_i915_private *i915,
>  
>  			s = kmap(page);
>  			ret = compress_page(compress, s, dst);
> -			kunmap(s);
> +			kunmap(page);
>  
>  			drm_clflush_pages(&page, 1);
>  
> -- 
> 2.24.0
>
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