diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0013-OMAP3630-DSS2-Enable-Pre-Multiplied-Alpha-Support.patch')
-rw-r--r-- | extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0013-OMAP3630-DSS2-Enable-Pre-Multiplied-Alpha-Support.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0013-OMAP3630-DSS2-Enable-Pre-Multiplied-Alpha-Support.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0013-OMAP3630-DSS2-Enable-Pre-Multiplied-Alpha-Support.patch new file mode 100644 index 00000000..7f4954a9 --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0013-OMAP3630-DSS2-Enable-Pre-Multiplied-Alpha-Support.patch @@ -0,0 +1,44 @@ +From af96930d2412b4af27407a48e262ce1bb2e32427 Mon Sep 17 00:00:00 2001 +From: Sudeep Basavaraj <sudeep.basavaraj@ti.com> +Date: Tue, 5 Jan 2010 18:58:18 +0530 +Subject: [PATCH 13/45] OMAP3630:DSS2:Enable Pre-Multiplied Alpha Support + +Enables dss to process color formats with pre-mulitplied alpha values. +With this we can have alpha values defined for each pixel +and hence can have different blending values for each pixel. + +Signed-off-by: Sudeep Basavaraj <sudeep.basavaraj@ti.com> +Signed-off-by: Kishore Y <kishore.y@ti.com> +--- + drivers/video/omap2/dss/dispc.c | 8 ++++++++ + 1 files changed, 8 insertions(+), 0 deletions(-) + +diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c +index f7acf87..c6d5fc5 100644 +--- a/drivers/video/omap2/dss/dispc.c ++++ b/drivers/video/omap2/dss/dispc.c +@@ -913,6 +913,11 @@ static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable) + dispc_write_reg(dispc_reg_att[plane], val); + } + ++static void _dispc_set_alpha_blend_attrs(enum omap_plane plane, bool enable) ++{ ++ REG_FLD_MOD(dispc_reg_att[plane], enable ? 1 : 0, 28, 28); ++} ++ + void dispc_enable_replication(enum omap_plane plane, bool enable) + { + int bit; +@@ -1689,6 +1694,9 @@ static int _dispc_setup_plane(enum omap_plane plane, + + _dispc_set_rotation_attrs(plane, rotation, mirror, color_mode); + ++ if (cpu_is_omap3630() && (plane != OMAP_DSS_VIDEO1)) ++ _dispc_set_alpha_blend_attrs(plane, 1); ++ + if (plane != OMAP_DSS_VIDEO1) + _dispc_setup_global_alpha(plane, global_alpha); + +-- +1.6.6.1 + |