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Commit b6a44e77 authored by Tomi Valkeinen's avatar Tomi Valkeinen
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OMAPDSS: DISPC: Flush posted writes when enabling outputs 



Flush posted write in _enable_lcd_out() and _enable_digit_out(). This
ensures the the lcd/digit bit is written before the code starts waiting
for interrupts about enabling/disabling the output.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 968f8e97

drivers/video/omap2/dss/dispc.c

+8 −2
Original line number Diff line number Diff line
@@ -1916,10 +1916,14 @@ static void dispc_disable_isr(void *data, u32 mask) 


static void _enable_lcd_out(enum omap_channel channel, bool enable)

{

	if (channel == OMAP_DSS_CHANNEL_LCD2)

	if (channel == OMAP_DSS_CHANNEL_LCD2) {

		REG_FLD_MOD(DISPC_CONTROL2, enable ? 1 : 0, 0, 0);

	else

		/* flush posted write */

		dispc_read_reg(DISPC_CONTROL2);

	} else {

		REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);

		dispc_read_reg(DISPC_CONTROL);

	}

}



static void dispc_mgr_enable_lcd_out(enum omap_channel channel, bool enable)
@@ -1967,6 +1971,8 @@ static void dispc_mgr_enable_lcd_out(enum omap_channel channel, bool enable) 
static void _enable_digit_out(bool enable)

{

	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1);

	/* flush posted write */

	dispc_read_reg(DISPC_CONTROL);

}



static void dispc_mgr_enable_digit_out(bool enable)