diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_utils.h | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index 562f756da421..04139ba1191e 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -32,6 +32,7 @@ #include <linux/workqueue.h> struct drm_i915_private; +struct timer_list; #undef WARN_ON /* Many gcc seem to no see through this and fall over :( */ @@ -60,20 +61,20 @@ __i915_printk(struct drm_i915_private *dev_priv, const char *level, #if IS_ENABLED(CONFIG_DRM_I915_DEBUG) -int __i915_inject_load_error(struct drm_i915_private *i915, int err, - const char *func, int line); -#define i915_inject_load_error(_i915, _err) \ - __i915_inject_load_error((_i915), (_err), __func__, __LINE__) +int __i915_inject_probe_error(struct drm_i915_private *i915, int err, + const char *func, int line); +#define i915_inject_probe_error(_i915, _err) \ + __i915_inject_probe_error((_i915), (_err), __func__, __LINE__) bool i915_error_injected(void); #else -#define i915_inject_load_error(_i915, _err) 0 +#define i915_inject_probe_error(_i915, _err) 0 #define i915_error_injected() false #endif -#define i915_inject_probe_failure(i915) i915_inject_load_error((i915), -ENODEV) +#define i915_inject_probe_failure(i915) i915_inject_probe_error((i915), -ENODEV) #define i915_probe_error(i915, fmt, ...) \ __i915_printk(i915, i915_error_injected() ? KERN_DEBUG : KERN_ERR, \ @@ -421,4 +422,25 @@ static inline void add_taint_for_CI(unsigned int taint) add_taint(taint, LOCKDEP_STILL_OK); } +void cancel_timer(struct timer_list *t); +void set_timer_ms(struct timer_list *t, unsigned long timeout); + +static inline bool timer_expired(const struct timer_list *t) +{ + return READ_ONCE(t->expires) && !timer_pending(t); +} + +/* + * This is a lookalike for IS_ENABLED() that takes a kconfig value, + * e.g. CONFIG_DRM_I915_SPIN_REQUEST, and evaluates whether it is non-zero + * i.e. whether the configuration is active. Wrapping up the config inside + * a boolean context prevents clang and smatch from complaining about potential + * issues in confusing logical-&& with bitwise-& for constants. + * + * Sadly IS_ENABLED() itself does not work with kconfig values. + * + * Returns 0 if @config is 0, 1 if set to any value. + */ +#define IS_ACTIVE(config) ((config) != 0) + #endif /* !__I915_UTILS_H */ |