The PCI config space BSM (Base of Stolen Memory) register has bits 20..31 set. The BSM_MASK definition goes beyond 32 bits, fix it.
drivers/gpu/drm/i915/i915_reg.h:90:28: warning: result of â65535 << 20â requires 37 bits to represent, but âintâ only has 32 bits [-Wshift-overflow=] References: http://mid.gmane.org/CAMzoambf23FJH3Lq-gKcrVEus-bqFLxA35n0YjKGhqWOAJdBqg at mail.gmail.com Reported-by: David Binderman <linuxdev.baldrick at gmail.com> Cc: David Binderman <linuxdev.baldrick at gmail.com> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com> Fixes: e10fa551ae37 ("drm/i915: Clean up PCI config register handling") Signed-off-by: Jani Nikula <jani.nikula at intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b407411e31ba..769ac8f7ab61 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -87,7 +87,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define DEVEN_MCHBAR_EN (1 << 28) #define BSM 0x5c -#define BSM_MASK (0xFFFF << 20) +#define BSM_MASK (0xFFF << 20) #define HPLLCC 0xc0 /* 85x only */ #define GC_CLOCK_CONTROL_MASK (0x7 << 0) -- 2.1.4
