Commit 206914ca authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/i915/dp: Move force_dsc_fractional_bpp_en check to intel_dp_dsc_valid_bpp() 



Add the fractional DSC BPP force check to intel_dp_dsc_valid_bpp(), and
use that in xelpd_dsc_compute_link_config(). This is another step closer
towards unifying the platform specific functions.

Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2d8cdfef422dc2229d3ead2201bff4a321cbbdd3.1738327620.git.jani.nikula@intel.com
parent c791c7eb

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

+7 −3
Original line number Diff line number Diff line
@@ -2075,8 +2075,12 @@ static bool intel_dp_dsc_valid_bpp(struct intel_dp *intel_dp, int bpp_x16) 
	struct intel_display *display = to_intel_display(intel_dp);

	int i;



	if (DISPLAY_VER(display) >= 13)

	if (DISPLAY_VER(display) >= 13) {

		if (intel_dp->force_dsc_fractional_bpp_en && !fxp_q4_to_frac(bpp_x16))

			return false;



		return true;

	}



	if (fxp_q4_to_frac(bpp_x16))

		return false;
@@ -2143,9 +2147,9 @@ xelpd_dsc_compute_link_config(struct intel_dp *intel_dp, 
	int ret;



	for (bpp_x16 = max_bpp_x16; bpp_x16 >= min_bpp_x16; bpp_x16 -= bpp_step_x16) {

		if (intel_dp->force_dsc_fractional_bpp_en &&

		    !fxp_q4_to_frac(bpp_x16))

		if (!intel_dp_dsc_valid_bpp(intel_dp, bpp_x16))

			continue;



		ret = dsc_compute_link_config(intel_dp,

					      pipe_config,

					      limits,