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| author |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-11-04 17:10:46 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-12-29 11:06:26 +0200 |
| commit | d7df5ad44b1427598d7296b2c889988a63a4bce2 (patch) | |
| tree | e29f236ad80d910a9f666db90b0301ed0ee85885 /drivers/video | |
| parent | OMAPDSS: add OMAP_DSS_CHANNEL_WB to 'enum omap_channel' (diff) | |
| download | linux-dev-d7df5ad44b1427598d7296b2c889988a63a4bce2.tar.xz linux-dev-d7df5ad44b1427598d7296b2c889988a63a4bce2.zip | |
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.c | 31 |
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) |