[Intel-gfx] [PATCH] drm/i915: Remove unused BSM_MASK causing warning

Chris Wilson chris at chris-wilson.co.uk
Wed Oct 12 07:42:32 UTC 2016


On Wed, Oct 12, 2016 at 10:18:54AM +0300, Joonas Lahtinen wrote:
> Remove never used BSM{,_MASK}. BSM_MASK #define also causes a warning.
> 
> include/drm/i915_drm.h:96:34: warning: result of β€˜65535 << 20’
> requires 37 bits to represent, but β€˜int’ only has 32 bits
> [-Wshiftoverflow=]
>    #define   INTEL_BSM_MASK (0xFFFF << 20)
> 
> Reported-by: Linus Torvalds <torvalds at linux-foundation.org>
> Signed-off-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_reg.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index acc767a..3105872 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -86,8 +86,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
>  #define DEVEN 0x54
>  #define   DEVEN_MCHBAR_EN (1 << 28)
>  
> -#define BSM 0x5c
> -#define   BSM_MASK (0xFFFF << 20)
> +/* BSM in include/drm/i915_drm.h */

greps ok.
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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