diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index ee7cbdd7db87..04613864cbe8 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1723,6 +1723,14 @@ vlv_pipe_to_channel(enum pipe pipe) } } +static inline bool intel_pipe_valid(struct drm_i915_private *i915, enum pipe pipe) +{ + return (pipe >= 0 && + pipe < ARRAY_SIZE(i915->pipe_to_crtc_mapping) && + INTEL_INFO(i915)->pipe_mask & BIT(pipe) && + i915->pipe_to_crtc_mapping[pipe]); +} + static inline struct intel_crtc * intel_get_first_crtc(struct drm_i915_private *dev_priv) { |