Commit ce6ea7ee authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Assert that device info bitmasks have enough bits 



Sprinkle in some BUILD_BUG_ON()s to make sure some of
the bitmasks used in the device info have enough bits.

Do we have a better place for this sort of stuff?

v2: Relocate to the new place

Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230616140820.11726-4-ville.syrjala@linux.intel.com
parent 2798e4d1

drivers/gpu/drm/i915/display/intel_display_device.c

+4 −0
Original line number Diff line number Diff line
@@ -858,6 +858,10 @@ void intel_display_device_info_runtime_init(struct drm_i915_private *i915) 
	struct intel_display_runtime_info *display_runtime = DISPLAY_RUNTIME_INFO(i915);

	enum pipe pipe;



	BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->pipe_mask) < I915_MAX_PIPES);

	BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->cpu_transcoder_mask) < I915_MAX_TRANSCODERS);

	BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->port_mask) < I915_MAX_PORTS);



	/* Wa_14011765242: adl-s A0,A1 */

	if (IS_ADLS_DISPLAY_STEP(i915, STEP_A0, STEP_A2))

		for_each_pipe(i915, pipe)