Commit b1852b73 authored by Anshuman Gupta's avatar Anshuman Gupta Committed by Ville Syrjälä
Browse files

drm/i915: Add WARN_ON in intel_get_crtc_for_pipe() 



Add a WARN_ON for a disabled pipe in pipe_mask at
intel_get_crtc_for_pipe() function.

v2:
- Use drm_WARN_ON instead of WARN_ON.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarAnshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200224124004.26712-7-anshuman.gupta@intel.com
parent eae3da27

drivers/gpu/drm/i915/display/intel_display_types.h

+3 −0
Original line number Diff line number Diff line
@@ -1415,6 +1415,9 @@ intel_get_first_crtc(struct drm_i915_private *dev_priv) 
static inline struct intel_crtc *

intel_get_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)

{

	/* pipe_to_crtc_mapping may have hole on any of 3 display pipe system */

	drm_WARN_ON(&dev_priv->drm,

		    !(INTEL_INFO(dev_priv)->pipe_mask & BIT(pipe)));

	return dev_priv->pipe_to_crtc_mapping[pipe];

}