Commit 4b970408 authored by Manasi Navare's avatar Manasi Navare
Browse files

drm/i915/dp: No need to poll FEC Enable Live bit 



The Bspec does not mention polling the FEC Enable
Live status bit. That is only there for debug purposes.
So remove the polling from driver.

Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarManasi Navare <manasi.d.navare@intel.com>
Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201125072634.27664-1-manasi.d.navare@intel.com
parent 9d8fddf8

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

+0 −6
Original line number Diff line number Diff line
@@ -3512,12 +3512,6 @@ static void intel_ddi_enable_fec(struct intel_encoder *encoder, 
	val = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state));

	val |= DP_TP_CTL_FEC_ENABLE;

	intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), val);



	if (intel_de_wait_for_set(dev_priv,

				  dp_tp_status_reg(encoder, crtc_state),

				  DP_TP_STATUS_FEC_ENABLE_LIVE, 1))

		drm_err(&dev_priv->drm,

			"Timed out waiting for FEC Enable Status\n");

}



static void intel_ddi_disable_fec_state(struct intel_encoder *encoder,