aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/omap2/dss/dispc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/omap2/dss/dispc.c')
-rw-r--r--drivers/video/omap2/dss/dispc.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 4e04a73a8ff3..54ba8d3ad317 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);

Privacy Policy