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OMAPDSS: DISPC: pclk & lclk rates for writeback

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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@ti.com>
This commit is contained in:
Tomi Valkeinen 2012-11-15 13:20:02 +02:00
parent 3c91ee8cc9
commit 251886d8bc
1 changed files with 12 additions and 2 deletions
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14
drivers/video/omap2/dss/dispc.c
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@ -3232,14 +3232,24 @@ 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);
}