mirror of
https://git.yoctoproject.org/meta-ti
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Koen Kooi
45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From af96930d2412b4af27407a48e262ce1bb2e32427 Mon Sep 17 00:00:00 2001
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From: Sudeep Basavaraj <sudeep.basavaraj@ti.com>
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Date: Tue, 5 Jan 2010 18:58:18 +0530
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Subject: [PATCH 13/45] OMAP3630:DSS2:Enable Pre-Multiplied Alpha Support
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Enables dss to process color formats with pre-mulitplied alpha values.
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With this we can have alpha values defined for each pixel
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and hence can have different blending values for each pixel.
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Signed-off-by: Sudeep Basavaraj <sudeep.basavaraj@ti.com>
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Signed-off-by: Kishore Y <kishore.y@ti.com>
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---
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drivers/video/omap2/dss/dispc.c | 8 ++++++++
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1 files changed, 8 insertions(+), 0 deletions(-)
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diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
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index f7acf87..c6d5fc5 100644
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--- a/drivers/video/omap2/dss/dispc.c
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+++ b/drivers/video/omap2/dss/dispc.c
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@@ -913,6 +913,11 @@ static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable)
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dispc_write_reg(dispc_reg_att[plane], val);
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}
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+static void _dispc_set_alpha_blend_attrs(enum omap_plane plane, bool enable)
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+{
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+ REG_FLD_MOD(dispc_reg_att[plane], enable ? 1 : 0, 28, 28);
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+}
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+
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void dispc_enable_replication(enum omap_plane plane, bool enable)
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{
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int bit;
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@@ -1689,6 +1694,9 @@ static int _dispc_setup_plane(enum omap_plane plane,
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_dispc_set_rotation_attrs(plane, rotation, mirror, color_mode);
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+ if (cpu_is_omap3630() && (plane != OMAP_DSS_VIDEO1))
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+ _dispc_set_alpha_blend_attrs(plane, 1);
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+
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if (plane != OMAP_DSS_VIDEO1)
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_dispc_setup_global_alpha(plane, global_alpha);
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--
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1.6.6.1
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