Change the dispc_plane_pclk_rate and dispc_plane_lclk_rate functions to
return 0 if the given plane is the writeback plane. The clocks are not
valid for WB, but returning 0 from these functions instead of running
into BUG() will simplify the code that uses these functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/dss/dispc.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index e219eda..8f8d628 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -3226,14 +3226,24 @@ unsigned long dispc_core_clk_rate(void)
static unsigned long dispc_plane_pclk_rate(enum omap_plane plane)
{
- enum omap_channel channel = dispc_ovl_get_channel_out(plane);
+ enum omap_channel channel;
+
+ if (plane == OMAP_DSS_WB)
+ return 0;
+
+ channel = dispc_ovl_get_channel_out(plane);
return dispc_mgr_pclk_rate(channel);
}
static unsigned long dispc_plane_lclk_rate(enum omap_plane plane)
{
- enum omap_channel channel = dispc_ovl_get_channel_out(plane);
+ enum omap_channel channel;
+
+ if (plane == OMAP_DSS_WB)
+ return 0;
+
+ channel = dispc_ovl_get_channel_out(plane);
return dispc_mgr_lclk_rate(channel);
}
--
1.7.10.4
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