diff options
| author | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2017-02-08 15:12:09 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2017-02-08 17:22:00 +0200 |
| commit | 3c779a49bd7ce6c9ecc35a679f28f94fe3cfaeab (patch) | |
| tree | a2db24065313d5907e5179baad66ab3ef5948d33 /drivers/gpu/drm/i915/intel_runtime_pm.c | |
| parent | 038c95a313e4ca954ee5ab8a0c7559a646b0f462 (diff) | |
drm/i915: Avoid BIT(max) - 1 and use GENMASK(max - 1, 0)
"BIT(max) - 1" will overflow when max = 32, and GCC will complain.
We already have GENMASK for generating the mask, use it!
v2: Majestic off by one spotted (Chris)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 66aa1bbb42f0..94df466a4801 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1249,7 +1249,7 @@ static void vlv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv, vlv_set_power_well(dev_priv, power_well, false); } -#define POWER_DOMAIN_MASK (BIT(POWER_DOMAIN_NUM) - 1) +#define POWER_DOMAIN_MASK (GENMASK(POWER_DOMAIN_NUM - 1, 0)) static struct i915_power_well *lookup_power_well(struct drm_i915_private *dev_priv, int power_well_id) |