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authorTomi Valkeinen <tomi.valkeinen@ti.com>2015-11-04 18:10:46 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2015-12-29 12:06:26 +0300
commitd7df5ad44b1427598d7296b2c889988a63a4bce2 (patch)
treee29f236ad80d910a9f666db90b0301ed0ee85885 /drivers/video
parent249ad8a38ea30aa1c7bf91fca48341f89ff9f084 (diff)
downloadlinux-d7df5ad44b1427598d7296b2c889988a63a4bce2.tar.xz
OMAPDSS: refactor dispc_ovl_get_channel_out
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>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/omap2/dss/dispc.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c
index aa74b3da3718..678a1928a9b5 100644
--- a/drivers/video/fbdev/omap2/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/dss/dispc.c
@@ -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;
+
+ if (!dss_has_feature(FEAT_MGR_LCD2))
+ return OMAP_DSS_CHANNEL_LCD;
- return channel;
+ 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)