Commit 2efb4adf authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Always check dp_m2_n2 on pre-bdw 



No point in special casing the check of dp_m2_n2 on pre-bdw platforms.
Either the transcoder has M2/N2 in which case the values should be
set to something sensible, or it doesn't in which case dp_m2_n2 is
always zeroed.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220128103757.22461-17-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 00dd7f95

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

+5 −6
Original line number Diff line number Diff line
@@ -6483,13 +6483,12 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, 
	PIPE_CONF_CHECK_I(lane_count);

	PIPE_CONF_CHECK_X(lane_lat_optim_mask);



	if (DISPLAY_VER(dev_priv) < 8) {

	if (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv)) {

		PIPE_CONF_CHECK_M_N_ALT(dp_m_n, dp_m2_n2);

	} else {

		PIPE_CONF_CHECK_M_N(dp_m_n);



		if (current_config->has_drrs)

		PIPE_CONF_CHECK_M_N(dp_m2_n2);

	} else

		PIPE_CONF_CHECK_M_N_ALT(dp_m_n, dp_m2_n2);

	}



	PIPE_CONF_CHECK_X(output_types);