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-rw-r--r--drivers/video/omap2/dss/dispc.c7
-rw-r--r--drivers/video/omap2/dss/dispc.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index e7ed1f7bb302..ea9a8481059c 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -87,6 +87,9 @@ struct dispc_features {
/* no DISPC_IRQ_FRAMEDONETV on this SoC */
bool no_framedone_tv:1;
+
+ /* revert to the OMAP4 mechanism of DISPC Smart Standby operation */
+ bool mstandby_workaround:1;
};
#define DISPC_MAX_NR_FIFOS 5
@@ -3490,6 +3493,9 @@ static void _omap_dispc_initial_config(void)
dispc_configure_burst_sizes();
dispc_ovl_enable_zorder_planes();
+
+ if (dispc.feat->mstandby_workaround)
+ REG_FLD_MOD(DISPC_MSTANDBY_CTRL, 1, 0, 0);
}
static const struct dispc_features omap24xx_dispc_feats __initconst = {
@@ -3584,6 +3590,7 @@ static const struct dispc_features omap54xx_dispc_feats __initconst = {
.calc_core_clk = calc_core_clk_44xx,
.num_fifos = 5,
.gfx_fifo_workaround = true,
+ .mstandby_workaround = true,
};
static int __init dispc_init_features(struct platform_device *pdev)
diff --git a/drivers/video/omap2/dss/dispc.h b/drivers/video/omap2/dss/dispc.h
index 222363c6e623..de4863d21ab7 100644
--- a/drivers/video/omap2/dss/dispc.h
+++ b/drivers/video/omap2/dss/dispc.h
@@ -39,6 +39,7 @@
#define DISPC_GLOBAL_BUFFER 0x0800
#define DISPC_CONTROL3 0x0848
#define DISPC_CONFIG3 0x084C
+#define DISPC_MSTANDBY_CTRL 0x0858
/* DISPC overlay registers */
#define DISPC_OVL_BA0(n) (DISPC_OVL_BASE(n) + \