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 ‘65535 << 20’ requires 37 bits to represent, but ‘int’ 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))
Reviewed-by: Chris Wilson chris@chris-wilson.co.uk -Chris