On Wed, 31 May 2023, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > 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? *grin* intel_display_device_info_runtime_init() https://patchwork.freedesktop.org/patch/msgid/20230601212535.675751-1-matthew.d.roper@xxxxxxxxx It'll conflict, again. :/ > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_device_info.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c > index f79142983f28..8a35005c46c0 100644 > --- a/drivers/gpu/drm/i915/intel_device_info.c > +++ b/drivers/gpu/drm/i915/intel_device_info.c > @@ -419,6 +419,10 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) > DISPLAY_RUNTIME_INFO(dev_priv); > 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(dev_priv, STEP_A0, STEP_A2)) > for_each_pipe(dev_priv, pipe) -- Jani Nikula, Intel Open Source Graphics Center
