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

[ 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 49316955f5
commit 4091040d02

View file

@ -352,8 +352,8 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
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) |