Commit 67e12c64 authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/dp: Export intel_dp_dsc_min_src_compressed_bpp() 



Export the function that can be used by a follow-up change to query the
minimum compressed link bpp supported by the HW.

Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250509180340.554867-11-imre.deak@intel.com
parent a43a02d8

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

+2 −2
Original line number Diff line number Diff line
@@ -2071,7 +2071,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector 
						       pipe_config, bpc) >> 4;

}



static int dsc_src_min_compressed_bpp(void)

int intel_dp_dsc_min_src_compressed_bpp(void)

{

	/* Min Compressed bpp supported by source is 8 */

	return 8;
@@ -2482,7 +2482,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp, 
		int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp;

		int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp;



		dsc_src_min_bpp = dsc_src_min_compressed_bpp();

		dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp();

		dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state);

		dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp);

		limits->link.min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp);

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

+1 −0
Original line number Diff line number Diff line
@@ -208,6 +208,7 @@ bool intel_dp_has_connector(struct intel_dp *intel_dp, 
			    const struct drm_connector_state *conn_state);

int intel_dp_dsc_max_src_input_bpc(struct intel_display *display);

int intel_dp_dsc_min_src_input_bpc(void);

int intel_dp_dsc_min_src_compressed_bpp(void);

int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state,

				const struct drm_connector_state *conn_state);