Commit c48f67ee authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/fbc: Extract intel_fbc_stolen_end() 



Declutter find_compression_limit() a bit by extracting
intel_fbc_stolen_end().

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210610183237.3920-8-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
parent 9c8a442d

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

+12 −7
Original line number Diff line number Diff line
@@ -423,13 +423,8 @@ static u64 intel_fbc_cfb_base_max(struct drm_i915_private *i915) 
		return BIT_ULL(32);

}



static int find_compression_limit(struct drm_i915_private *dev_priv,

				  unsigned int size,

				  unsigned int fb_cpp)

static u64 intel_fbc_stolen_end(struct drm_i915_private *dev_priv)

{

	struct intel_fbc *fbc = &dev_priv->fbc;

	int compression_limit = 1;

	int ret;

	u64 end;



	/* The FBC hardware for BDW/SKL doesn't have access to the stolen
@@ -442,7 +437,17 @@ static int find_compression_limit(struct drm_i915_private *dev_priv, 
	else

		end = U64_MAX;



	end = min(end, intel_fbc_cfb_base_max(dev_priv));

	return min(end, intel_fbc_cfb_base_max(dev_priv));

}



static int find_compression_limit(struct drm_i915_private *dev_priv,

				  unsigned int size,

				  unsigned int fb_cpp)

{

	struct intel_fbc *fbc = &dev_priv->fbc;

	u64 end = intel_fbc_stolen_end(dev_priv);

	int compression_limit = 1;

	int ret;



	/* HACK: This code depends on what we will do in *_enable_fbc. If that

	 * code changes, this code needs to change as well.