From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42090 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726836AbeHWL2M (ORCPT ); Thu, 23 Aug 2018 07:28:12 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marek Szyprowski , Inki Dae , Sasha Levin Subject: [PATCH 4.4 35/79] drm/exynos: decon5433: Fix per-plane global alpha for XRGB modes Date: Thu, 23 Aug 2018 09:53:11 +0200 Message-Id: <20180823074920.993196919@linuxfoundation.org> In-Reply-To: <20180823074918.641878835@linuxfoundation.org> References: <20180823074918.641878835@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marek Szyprowski [ Upstream commit ab337fc274a1957ff0771f19e826c736253f7c39 ] 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 Signed-off-by: Inki Dae Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -278,8 +278,8 @@ static void decon_update_plane(struct ex 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) |