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Commit 52e9bffa authored by Sree Sesha Aravind Vadrevu's avatar Sree Sesha Aravind Vadrevu
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msm: mdss: Only use DSPP0 and DSPP1 for cmd mode split display 



For command mode split display, due to hardware restrictions, only
the combination of DSPP0 and DSPP1 can be used.

Change-Id: I12feeb0807dd9a217a3f5540478c6d71fb4b8b80
CRs-fixed: 565993
Signed-off-by: default avatarSree Sesha Aravind Vadrevu <svadrevu@codeaurora.org>
parent 001053d2

drivers/video/msm/mdss/mdss_mdp_ctl.c

+7 −1
Original line number Diff line number Diff line
@@ -469,7 +469,9 @@ static struct mdss_mdp_mixer *mdss_mdp_mixer_alloc( 
		 * try to reserve first layer mixer for write back if

		 * assertive display needs to be supported through wfd

		 */

		if (ctl->mdata->has_wb_ad && ctl->intf_num) {

		if (ctl->mdata->has_wb_ad && ctl->intf_num &&

			((ctl->panel_data->panel_info.type != MIPI_CMD_PANEL) ||

			!mux)) {

			alt_mixer = mixer_pool;

			mixer_pool++;

			nmixers--;
@@ -740,6 +742,10 @@ int mdss_mdp_ctl_setup(struct mdss_mdp_ctl *ctl) 
		if (!ctl->mixer_left) {

			pr_err("unable to allocate layer mixer\n");

			return -ENOMEM;

		} else if (ctl->mixer_left->num >= 1 &&

			(ctl->panel_data->panel_info.type == MIPI_CMD_PANEL)) {

			pr_err("use only DSPP0 and DSPP1 with cmd split\n");

			return -EPERM;

		}

	}