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Commit a6dd2088 authored by Abhijit Kulkarni's avatar Abhijit Kulkarni
Browse files

drm/msm/sde: flush master and slave interfaces in split display 



Ensure that both the master and slave interface bits in the
interface flush register are updated in a split display
configuration using single control path.

Change-Id: I83cdb19d93f7d6e09efb59805f49dc7766ccf5ff
Signed-off-by: default avatarAbhijit Kulkarni <kabhijit@codeaurora.org>
parent 285dbc85

drivers/gpu/drm/msm/sde/sde_encoder_phys_vid.c

+4 −1
Original line number Diff line number Diff line
@@ -702,11 +702,14 @@ static void sde_encoder_phys_vid_enable(struct sde_encoder_phys *phys_enc) 
	sde_encoder_phys_vid_setup_timing_engine(phys_enc);



	/*

	 * For cases where both the interfaces are connected to same ctl,

	 * set the flush bit for both master and slave.

	 * For single flush cases (dual-ctl or pp-split), skip setting the

	 * flush bit for the slave intf, since both intfs use same ctl

	 * and HW will only flush the master.

	 */

	if (sde_encoder_phys_needs_single_flush(phys_enc) &&

	if (!test_bit(SDE_CTL_ACTIVE_CFG, &ctl->caps->features) &&

			sde_encoder_phys_needs_single_flush(phys_enc) &&

		!sde_encoder_phys_vid_is_master(phys_enc))

		goto skip_flush;