drm/i915/display: remove explicit CNL handling from intel_vdsc.c

Only one reference to CNL that is not needed, but code is the same for
DISPLAY_VER >= 11, so leave the code around and just remove the special
case for CNL.
Signed-off-by: NLucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: NRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728215946.1573015-12-lucas.demarchi@intel.com

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

@@ -348,7 +348,10 @@ bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state)
 	if (DISPLAY_VER(i915) >= 12)
 		return true;
 
-	if ((DISPLAY_VER(i915) >= 11 || IS_CANNONLAKE(i915)) && (pipe != PIPE_A || (cpu_transcoder == TRANSCODER_EDP || cpu_transcoder == TRANSCODER_DSI_0 || cpu_transcoder == TRANSCODER_DSI_1)))
+	if (DISPLAY_VER(i915) >= 11 &&
+	    (pipe != PIPE_A || cpu_transcoder == TRANSCODER_EDP ||
+	     cpu_transcoder == TRANSCODER_DSI_0 ||
+	     cpu_transcoder == TRANSCODER_DSI_1))
 		return true;
 
 	return false;