evie/android_kernel_oneplus_msm8998
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msm: mdss: fix screen shifting in some scenarios when split display enabled

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Split display configuration requires that lower and upper pipe
control registers get programmed accordingly. This change fixes
a missing configuration bit in one of the control registers.

Change-Id: I17c71c004dbf6807483f132cb22271230b27960c
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>
This commit is contained in:
Ingrid Gallardo 2014-05-13 09:58:55 -07:00 • committed by David Keitel
parent d2aaad863b
commit e4056eeb02
1 changed files with 8 additions and 11 deletions
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19
drivers/video/fbdev/msm/mdss_mdp_ctl.c
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@ -1758,17 +1758,14 @@ static void mdss_mdp_ctl_split_display_enable(int enable,
if (main_ctl->opmode & MDSS_MDP_CTL_OP_CMD_MODE) {
upper |= BIT(1);
lower |= BIT(1);
/* interface controlling sw trigger */
if (main_ctl->intf_num == MDSS_MDP_INTF2)
upper |= BIT(4);
else
upper |= BIT(8);
} else { /* video mode */
if (main_ctl->intf_num == MDSS_MDP_INTF2)
lower |= BIT(4);
else
lower |= BIT(8);
}
/* interface controlling sw trigger (cmd & video mode)*/
if (main_ctl->intf_num == MDSS_MDP_INTF2) {
lower |= BIT(4);
upper |= BIT(4);
} else {
lower |= BIT(8);
upper |= BIT(8);
}
}
writel_relaxed(upper, main_ctl->mdata->mdp_base +