From: Jani Nikula <jani.nikula@intel.com> To: dri-devel@lists.freedesktop.org Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org Subject: [PATCH v2 1/2] drm: support feature masks in drm_core_check_feature() Date: Wed, 22 Jan 2020 16:02:58 +0200 [thread overview] Message-ID: <20200122140259.12086-1-jani.nikula@intel.com> (raw) Allow a mask of features to be passed to drm_core_check_feature(). All features in the mask are required. v2: - fix kernel-doc (Ville) - add an extra variable for clarity (Ville) Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- include/drm/drm_drv.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index cf13470810a5..f18e19f3f2d0 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -826,16 +826,20 @@ static inline bool drm_dev_is_unplugged(struct drm_device *dev) /** * drm_core_check_feature - check driver feature flags * @dev: DRM device to check - * @feature: feature flag + * @features: feature flag(s) * * This checks @dev for driver features, see &drm_driver.driver_features, * &drm_device.driver_features, and the various &enum drm_driver_feature flags. * - * Returns true if the @feature is supported, false otherwise. + * Returns true if all features in the @features mask are supported, false + * otherwise. */ -static inline bool drm_core_check_feature(const struct drm_device *dev, u32 feature) +static inline bool drm_core_check_feature(const struct drm_device *dev, + u32 features) { - return dev->driver->driver_features & dev->driver_features & feature; + u32 supported = dev->driver->driver_features & dev->driver_features; + + return features && (supported & features) == features; } /** -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
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From: Jani Nikula <jani.nikula@intel.com> To: dri-devel@lists.freedesktop.org Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v2 1/2] drm: support feature masks in drm_core_check_feature() Date: Wed, 22 Jan 2020 16:02:58 +0200 [thread overview] Message-ID: <20200122140259.12086-1-jani.nikula@intel.com> (raw) Allow a mask of features to be passed to drm_core_check_feature(). All features in the mask are required. v2: - fix kernel-doc (Ville) - add an extra variable for clarity (Ville) Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- include/drm/drm_drv.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index cf13470810a5..f18e19f3f2d0 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -826,16 +826,20 @@ static inline bool drm_dev_is_unplugged(struct drm_device *dev) /** * drm_core_check_feature - check driver feature flags * @dev: DRM device to check - * @feature: feature flag + * @features: feature flag(s) * * This checks @dev for driver features, see &drm_driver.driver_features, * &drm_device.driver_features, and the various &enum drm_driver_feature flags. * - * Returns true if the @feature is supported, false otherwise. + * Returns true if all features in the @features mask are supported, false + * otherwise. */ -static inline bool drm_core_check_feature(const struct drm_device *dev, u32 feature) +static inline bool drm_core_check_feature(const struct drm_device *dev, + u32 features) { - return dev->driver->driver_features & dev->driver_features & feature; + u32 supported = dev->driver->driver_features & dev->driver_features; + + return features && (supported & features) == features; } /** -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next reply other threads:[~2020-01-22 14:03 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-22 14:02 Jani Nikula [this message] 2020-01-22 14:02 ` [Intel-gfx] [PATCH v2 1/2] drm: support feature masks in drm_core_check_feature() Jani Nikula 2020-01-22 14:02 ` [PATCH v2 2/2] drm/debugfs: also take per device driver features into account Jani Nikula 2020-01-22 14:02 ` [Intel-gfx] " Jani Nikula 2020-01-22 14:16 ` [PATCH v2 1/2] drm: support feature masks in drm_core_check_feature() Thomas Zimmermann 2020-01-22 14:16 ` [Intel-gfx] " Thomas Zimmermann 2020-01-22 14:27 ` Jani Nikula 2020-01-22 14:27 ` [Intel-gfx] " Jani Nikula 2020-01-22 15:31 ` Thomas Zimmermann 2020-01-22 15:31 ` [Intel-gfx] " Thomas Zimmermann 2020-01-22 21:12 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [v2,1/2] " Patchwork
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