diff options
Diffstat (limited to 'drivers/video/omap2/dss/dispc.c')
| -rw-r--r-- | drivers/video/omap2/dss/dispc.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 4e04a73a8ff..54ba8d3ad31 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -773,13 +773,26 @@ static void _dispc_set_vid_size(enum omap_plane plane, int width, int height) dispc_write_reg(vsi_reg[plane-1], val); } +static void _dispc_set_pre_mult_alpha(enum omap_plane plane, bool enable) +{ + if (!dss_has_feature(FEAT_PRE_MULT_ALPHA)) + return; + + if (!dss_has_feature(FEAT_GLOBAL_ALPHA_VID1) && + plane == OMAP_DSS_VIDEO1) + return; + + REG_FLD_MOD(dispc_reg_att[plane], enable ? 1 : 0, 28, 28); +} + static void _dispc_setup_global_alpha(enum omap_plane plane, u8 global_alpha) { if (!dss_has_feature(FEAT_GLOBAL_ALPHA)) return; - BUG_ON(!dss_has_feature(FEAT_GLOBAL_ALPHA_VID1) && - plane == OMAP_DSS_VIDEO1); + if (!dss_has_feature(FEAT_GLOBAL_ALPHA_VID1) && + plane == OMAP_DSS_VIDEO1) + return; if (plane == OMAP_DSS_GFX) REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, 7, 0); @@ -1507,7 +1520,8 @@ static int _dispc_setup_plane(enum omap_plane plane, bool ilace, enum omap_dss_rotation_type rotation_type, u8 rotation, int mirror, - u8 global_alpha) + u8 global_alpha, + u8 pre_mult_alpha) { const int maxdownscale = cpu_is_omap34xx() ? 4 : 2; bool five_taps = 0; @@ -1693,8 +1707,8 @@ static int _dispc_setup_plane(enum omap_plane plane, _dispc_set_rotation_attrs(plane, rotation, mirror, color_mode); - if (plane != OMAP_DSS_VIDEO1) - _dispc_setup_global_alpha(plane, global_alpha); + _dispc_set_pre_mult_alpha(plane, pre_mult_alpha); + _dispc_setup_global_alpha(plane, global_alpha); return 0; } @@ -3138,7 +3152,8 @@ int dispc_setup_plane(enum omap_plane plane, enum omap_color_mode color_mode, bool ilace, enum omap_dss_rotation_type rotation_type, - u8 rotation, bool mirror, u8 global_alpha) + u8 rotation, bool mirror, u8 global_alpha, + u8 pre_mult_alpha) { int r = 0; @@ -3160,7 +3175,8 @@ int dispc_setup_plane(enum omap_plane plane, color_mode, ilace, rotation_type, rotation, mirror, - global_alpha); + global_alpha, + pre_mult_alpha); enable_clocks(0); |