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 linuxdev.baldrick@gmail.com Signed-off-by: Dave Gordon david.s.gordon@intel.com Cc: Dave Airlie airlied@gmail.com --- 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))
#endif /* _I915_DRM_H_ */