On Tue, Aug 09, 2016 at 06:35:10PM +0100, Dave Gordon wrote: > Recent versions of gcc say this: > > include/drm/i915_drm.h:96:34: warning: result of β65535 << 20β > requires 37 bits to represent, but βintβ only has 32 bits > [-Wshift-overflow=] > > Reported-by: David Binderman <[email protected]> > Signed-off-by: Dave Gordon <[email protected]> > Cc: Dave Airlie <[email protected]> > --- > include/drm/i915_drm.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h > index b1755f8..4e1b274 100644 > --- a/include/drm/i915_drm.h > +++ b/include/drm/i915_drm.h > @@ -93,6 +93,6 @@ extern bool i915_gpu_turbo_disable(void); > #define I845_TSEG_SIZE_1M (3 << 1) > > #define INTEL_BSM 0x5c > -#define INTEL_BSM_MASK (0xFFFF << 20) > +#define INTEL_BSM_MASK (-(1u << 20))
Reviewed-by: Chris Wilson <[email protected]> -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
