From patchwork Thu Apr 16 14:05:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 11493039 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D2DEA112C for ; Thu, 16 Apr 2020 14:06:14 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BA20E20786 for ; Thu, 16 Apr 2020 14:06:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BA20E20786 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E35806E159; Thu, 16 Apr 2020 14:06:13 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mslow2.mail.gandi.net (mslow2.mail.gandi.net [217.70.178.242]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1EBCE6E159 for ; Thu, 16 Apr 2020 14:06:11 +0000 (UTC) Received: from relay11.mail.gandi.net (unknown [217.70.178.231]) by mslow2.mail.gandi.net (Postfix) with ESMTP id 7D2563A0A46 for ; Thu, 16 Apr 2020 14:06:09 +0000 (UTC) Received: from localhost.localdomain (196.109.29.93.rev.sfr.net [93.29.109.196]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 7A4D9100009; Thu, 16 Apr 2020 14:05:42 +0000 (UTC) From: Paul Kocialkowski To: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/rockchip: Add per-pixel alpha support for the PX30 VOP Date: Thu, 16 Apr 2020 16:05:26 +0200 Message-Id: <20200416140526.262533-1-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Sandy Huang , Paul Kocialkowski , Thomas Petazzoni Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Compared to its predecessors, the PX30 VOP has a different register layout for enabling per-pixel alpha. Instead of src_alpha_ctl and dst_alpha_ctl, there is a single alpha control register. This register takes some fields from src_alpha_ctl, but with a different layout. Add support for the required fields to the PX30 VOP window descriptions, which makes per-pixel-alpha formats behave correctly. Signed-off-by: Paul Kocialkowski --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++++ drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 3 +++ drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 9 +++++++++ 3 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index d04b3492bdac..ac1b1923c4bc 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -906,6 +906,10 @@ static void vop_plane_atomic_update(struct drm_plane *plane, SRC_ALPHA_CAL_M0(ALPHA_NO_SATURATION) | SRC_FACTOR_M0(ALPHA_ONE); VOP_WIN_SET(vop, win, src_alpha_ctl, val); + + VOP_WIN_SET(vop, win, alpha_pre_mul, ALPHA_SRC_PRE_MUL); + VOP_WIN_SET(vop, win, alpha_mode, ALPHA_PER_PIX); + VOP_WIN_SET(vop, win, alpha_en, 1); } else { VOP_WIN_SET(vop, win, src_alpha_ctl, SRC_ALPHA_EN(0)); } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 0b3d18c457b2..562b127d120b 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -151,6 +151,9 @@ struct vop_win_phy { struct vop_reg dst_alpha_ctl; struct vop_reg src_alpha_ctl; + struct vop_reg alpha_pre_mul; + struct vop_reg alpha_mode; + struct vop_reg alpha_en; struct vop_reg channel; }; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 7a9d979c8d5d..67bb2625db68 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -244,6 +244,9 @@ static const struct vop_win_phy px30_win0_data = { .uv_mst = VOP_REG(PX30_WIN0_CBR_MST0, 0xffffffff, 0), .yrgb_vir = VOP_REG(PX30_WIN0_VIR, 0x1fff, 0), .uv_vir = VOP_REG(PX30_WIN0_VIR, 0x1fff, 16), + .alpha_pre_mul = VOP_REG(PX30_WIN0_ALPHA_CTRL, 0x1, 2), + .alpha_mode = VOP_REG(PX30_WIN0_ALPHA_CTRL, 0x1, 1), + .alpha_en = VOP_REG(PX30_WIN0_ALPHA_CTRL, 0x1, 0), }; static const struct vop_win_phy px30_win1_data = { @@ -256,6 +259,9 @@ static const struct vop_win_phy px30_win1_data = { .dsp_st = VOP_REG(PX30_WIN1_DSP_ST, 0xffffffff, 0), .yrgb_mst = VOP_REG(PX30_WIN1_MST, 0xffffffff, 0), .yrgb_vir = VOP_REG(PX30_WIN1_VIR, 0x1fff, 0), + .alpha_pre_mul = VOP_REG(PX30_WIN1_ALPHA_CTRL, 0x1, 2), + .alpha_mode = VOP_REG(PX30_WIN1_ALPHA_CTRL, 0x1, 1), + .alpha_en = VOP_REG(PX30_WIN1_ALPHA_CTRL, 0x1, 0), }; static const struct vop_win_phy px30_win2_data = { @@ -269,6 +275,9 @@ static const struct vop_win_phy px30_win2_data = { .dsp_st = VOP_REG(PX30_WIN2_DSP_ST0, 0x1fff1fff, 0), .yrgb_mst = VOP_REG(PX30_WIN2_MST0, 0xffffffff, 0), .yrgb_vir = VOP_REG(PX30_WIN2_VIR0_1, 0x1fff, 0), + .alpha_pre_mul = VOP_REG(PX30_WIN2_ALPHA_CTRL, 0x1, 2), + .alpha_mode = VOP_REG(PX30_WIN2_ALPHA_CTRL, 0x1, 1), + .alpha_en = VOP_REG(PX30_WIN2_ALPHA_CTRL, 0x1, 0), }; static const struct vop_win_data px30_vop_big_win_data[] = {