Previously blending setup was static and most of it was
done in mixer_win_reset().

Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c 
b/drivers/gpu/drm/exynos/exynos_mixer.c
index ec77aad..ec9659e 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -517,11 +517,6 @@ static void mixer_cfg_layer(struct mixer_context *ctx, 
unsigned int win,
                        vp_reg_writemask(res, VP_ENABLE, val, VP_ENABLE_ON);
                        mixer_reg_writemask(res, MXR_CFG, val,
                                MXR_CFG_VP_ENABLE);
-
-                       /* control blending of graphic layer 0 */
-                       mixer_reg_writemask(res, MXR_GRAPHIC_CFG(0), val,
-                                       MXR_GRP_CFG_BLEND_PRE_MUL |
-                                       MXR_GRP_CFG_PIXEL_BLEND_EN);
                }
                break;
        }
@@ -810,7 +805,6 @@ static void mixer_win_reset(struct mixer_context *ctx)
 {
        struct mixer_resources *res = &ctx->mixer_res;
        unsigned long flags;
-       u32 val; /* value stored to register */

        spin_lock_irqsave(&res->reg_slock, flags);
        mixer_vsync_set_update(ctx, false);
@@ -831,23 +825,6 @@ static void mixer_win_reset(struct mixer_context *ctx)
        mixer_reg_write(res, MXR_BG_COLOR1, 0x008080);
        mixer_reg_write(res, MXR_BG_COLOR2, 0x008080);

-       /* setting graphical layers */
-       val  = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */
-       val |= MXR_GRP_CFG_WIN_BLEND_EN;
-       val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */
-
-       /* Don't blend layer 0 onto the mixer background */
-       mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val);
-
-       /* Blend layer 1 into layer 0 */
-       val |= MXR_GRP_CFG_BLEND_PRE_MUL;
-       val |= MXR_GRP_CFG_PIXEL_BLEND_EN;
-       mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val);
-
-       /* setting video layers */
-       val = MXR_GRP_CFG_ALPHA_VAL(0);
-       mixer_reg_write(res, MXR_VIDEO_CFG, val);
-
        if (ctx->vp_enabled) {
                /* configuration of Video Processor Registers */
                vp_win_reset(ctx);
-- 
2.4.9

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