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OMAPDSS: refactor dispc_ovl_get_channel_out

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Refactor dispc_ovl_get_channel_out() to a bit cleaner form, which makes
it easier to add support for writeback in the following patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2015-11-04 17:10:46 +02:00
parent 249ad8a38e
commit d7df5ad44b
1 changed files with 14 additions and 17 deletions
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31
drivers/video/fbdev/omap2/dss/dispc.c
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@ -992,7 +992,6 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
{
int shift;
u32 val;
enum omap_channel channel;
switch (plane) {
case OMAP_DSS_GFX:
@ -1010,23 +1009,21 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
if (dss_has_feature(FEAT_MGR_LCD3)) {
if (FLD_GET(val, 31, 30) == 0)
channel = FLD_GET(val, shift, shift);
else if (FLD_GET(val, 31, 30) == 1)
channel = OMAP_DSS_CHANNEL_LCD2;
else
channel = OMAP_DSS_CHANNEL_LCD3;
} else if (dss_has_feature(FEAT_MGR_LCD2)) {
if (FLD_GET(val, 31, 30) == 0)
channel = FLD_GET(val, shift, shift);
else
channel = OMAP_DSS_CHANNEL_LCD2;
} else {
channel = FLD_GET(val, shift, shift);
}
if (FLD_GET(val, shift, shift) == 1)
return OMAP_DSS_CHANNEL_DIGIT;
return channel;
if (!dss_has_feature(FEAT_MGR_LCD2))
return OMAP_DSS_CHANNEL_LCD;
switch (FLD_GET(val, 31, 30)) {
case 0:
default:
return OMAP_DSS_CHANNEL_LCD;
case 1:
return OMAP_DSS_CHANNEL_LCD2;
case 2:
return OMAP_DSS_CHANNEL_LCD3;
}
}
void dispc_wb_set_channel_in(enum dss_writeback_channel channel)