From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0520FC2BB55 for ; Thu, 16 Apr 2020 14:32:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE55521927 for ; Thu, 16 Apr 2020 14:32:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394313AbgDPOca (ORCPT ); Thu, 16 Apr 2020 10:32:30 -0400 Received: from relay11.mail.gandi.net ([217.70.178.231]:59949 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2896728AbgDPOFs (ORCPT ); Thu, 16 Apr 2020 10:05:48 -0400 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 Cc: Sandy Huang , =?UTF-8?q?Heiko=20St=C3=BCbner?= , David Airlie , Daniel Vetter , Thomas Petazzoni , Paul Kocialkowski 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 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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[] = { -- 2.26.0