Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 21bc1f02 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

sh: skip disabled LCDC channels 



This patch updates the SuperH Mobile LCDC driver to skip
over disabled channels. Without this patch suspend-to-ram
operation will crash if deferred io is enabled.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 64f1607f

drivers/video/sh_mobile_lcdcfb.c

+5 −0
Original line number Diff line number Diff line
@@ -481,6 +481,9 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) 
	/* tell the board code to enable the panel */

	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {

		ch = &priv->ch[k];

		if (!ch->enabled)

			continue;



		board_cfg = &ch->cfg.board_cfg;

		if (board_cfg->display_on)

			board_cfg->display_on(board_cfg->board_data);
@@ -498,6 +501,8 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) 
	/* clean up deferred io and ask board code to disable panel */

	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {

		ch = &priv->ch[k];

		if (!ch->enabled)

			continue;



		/* deferred io mode:

		 * flush frame, and wait for frame end interrupt