Commit df216b37 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Simplify intel_dsc_source_support() 



We can simplify the icl check in intel_dsc_source_support()
by noting that the only case when DSC is not supported is when
using transcoder A.

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/20220124192638.26262-2-ville.syrjala@linux.intel.com
parent 9f807822

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

+1 −6
Original line number Diff line number Diff line
@@ -341,19 +341,14 @@ bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state) 
	const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);

	struct drm_i915_private *i915 = to_i915(crtc->base.dev);

	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;

	enum pipe pipe = crtc->pipe;



	if (!INTEL_INFO(i915)->display.has_dsc)

		return false;



	/* On TGL, DSC is supported on all Pipes */

	if (DISPLAY_VER(i915) >= 12)

		return true;



	if (DISPLAY_VER(i915) >= 11 &&

	    (pipe != PIPE_A || cpu_transcoder == TRANSCODER_EDP ||

	     cpu_transcoder == TRANSCODER_DSI_0 ||

	     cpu_transcoder == TRANSCODER_DSI_1))

	if (DISPLAY_VER(i915) >= 11 && cpu_transcoder != TRANSCODER_A)

		return true;



	return false;