From d64ba05ed6be7b7900b68f91b8882955cca5758c Mon Sep 17 00:00:00 2001 From: Naseer Ahmed Date: Wed, 25 Jan 2017 10:48:29 -0500 Subject: [PATCH] msm: mdss: Fix 3D Mux when restoring from DSC on/off If a resolution switch with DSC on/off is executed during suspend, it is possible that both 3D mux & DSC merge are enabled after restore. This change fixes it. Change-Id: I60cead6fea0023ea402f98f207d57099c2287be6 Signed-off-by: Naseer Ahmed --- drivers/video/fbdev/msm/mdss_mdp_ctl.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/video/fbdev/msm/mdss_mdp_ctl.c b/drivers/video/fbdev/msm/mdss_mdp_ctl.c index f397aca8ad3a..12f269b69c39 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_ctl.c +++ b/drivers/video/fbdev/msm/mdss_mdp_ctl.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. +/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -3614,6 +3614,7 @@ int mdss_mdp_ctl_setup(struct mdss_mdp_ctl *ctl) u32 width, height; int split_fb, rc = 0; u32 max_mixer_width; + bool dsc_merge_enabled = 0; struct mdss_panel_info *pinfo; if (!ctl || !ctl->panel_data) { @@ -3738,15 +3739,15 @@ int mdss_mdp_ctl_setup(struct mdss_mdp_ctl *ctl) ctl->mixer_right = NULL; } - if (ctl->mixer_right) { - if (!is_dsc_compression(pinfo) || - (pinfo->dsc_enc_total == 1)) - ctl->opmode |= MDSS_MDP_CTL_OP_PACK_3D_ENABLE | - MDSS_MDP_CTL_OP_PACK_3D_H_ROW_INT; - } else { + dsc_merge_enabled = is_dsc_compression(pinfo) && + (pinfo->dsc_enc_total == 2); + + if (ctl->mixer_right && (!dsc_merge_enabled)) + ctl->opmode |= MDSS_MDP_CTL_OP_PACK_3D_ENABLE | + MDSS_MDP_CTL_OP_PACK_3D_H_ROW_INT; + else ctl->opmode &= ~(MDSS_MDP_CTL_OP_PACK_3D_ENABLE | MDSS_MDP_CTL_OP_PACK_3D_H_ROW_INT); - } return 0; }