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drm/exynos: decon5433: Fix per-plane global alpha for XRGB modes

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[ Upstream commit ab337fc274 ]

Set per-plane global alpha to maximum value to get proper blending of
XRGB and ARGB planes. This fixes the strange order of overlapping planes.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Marek Szyprowski 2018-06-07 13:07:40 +02:00 committed by Greg Kroah-Hartman
parent 048115cfba
commit c46030269f
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/exynos/exynos5433_drm_decon.c
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@ -278,8 +278,8 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
COORDINATE_Y(plane->crtc_y + plane->crtc_h - 1);
writel(val, ctx->addr + DECON_VIDOSDxB(win));
val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |
VIDOSD_Wx_ALPHA_B_F(0x0);
val = VIDOSD_Wx_ALPHA_R_F(0xff) | VIDOSD_Wx_ALPHA_G_F(0xff) |
VIDOSD_Wx_ALPHA_B_F(0xff);
writel(val, ctx->addr + DECON_VIDOSDxC(win));
val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |