From patchwork Mon May 27 07:16:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Val Packett X-Patchwork-Id: 13674660 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8B1A5C25B7C for ; Mon, 27 May 2024 07:19:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5DQlVSF36WVgB1xq2W2aFJtbw//1ZXQKnZY5CR0yif0=; b=gNE7zHLwr6+Ssq /eul/6y43Y6ccVkx/UZBAiKI8YgMsm1eKbM/XzoBfixgzlUCSalIQsp1tk3nebGJ2zcuLDM8NsF7+ TfEZnFDOROzUk49KN4VXp5P/q6b9bor9iCbNWvcU7JA/kyEddU8egSPzyVdThmdHsGRF3278T9332 9XxvKAb8FlbHUD41W913avwfzcFMOPAR+tmq+C5HVRNXpsIkTy3Flr5qchnQ9ug42G4afXjNFHfGo KHYzpAfFSeDgS89sLOqtshWZbuDXotTkb5puZvzp3c/UB5nOEQUlCPF1pNvNF+C5QkPZx4ajpNtiD ImkYIdQkXQGcv8ZIC3TQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBUdB-0000000E1rb-0Tnc; Mon, 27 May 2024 07:18:53 +0000 Received: from out-187.mta1.migadu.com ([95.215.58.187]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBUd8-0000000E1pD-0Cwm for linux-rockchip@lists.infradead.org; Mon, 27 May 2024 07:18:51 +0000 X-Envelope-To: val@packett.cool DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=packett.cool; s=key1; t=1716794318; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=X/HcY+X0iAsHdzRuxUa8q7blOFA1qc44VzdOT0NN0pc=; b=iy9ORCzh7lapaOkZMTEJsmXVG/+BIMfnecYQMWgUjZ2+sq98W3zFVnqaDLifxgDJS2XrSH pqXfwVLJ8PIpmhN4yufkns0BlQG4ykCgGjQLMpzlINXF14ulgAuORgPV+1j9sJRxrbebzI b7hnSCmVc9jO6U7KghD6m/ICuf5rLFHDJ/1JqSIec75UTBjYmG6RDXz8/46cYrxAxT0iIY uGtYK/+pQc+T97tX+QT8gnz6JNrWV2k88u3VWgnHklhVArsgqcKwxOaBh7LbUh0KQOfJs0 DEBJe40GfOwFR5n90lNX2zfx1KbjYxwvL4vg0SmjWklkoAiZL/M375No+Jnq1Q== X-Envelope-To: stable@vger.kernel.org X-Envelope-To: hjc@rock-chips.com X-Envelope-To: heiko@sntech.de X-Envelope-To: andy.yan@rock-chips.com X-Envelope-To: maarten.lankhorst@linux.intel.com X-Envelope-To: mripard@kernel.org X-Envelope-To: tzimmermann@suse.de X-Envelope-To: airlied@gmail.com X-Envelope-To: daniel@ffwll.ch X-Envelope-To: dri-devel@lists.freedesktop.org X-Envelope-To: linux-arm-kernel@lists.infradead.org X-Envelope-To: linux-rockchip@lists.infradead.org X-Envelope-To: linux-kernel@vger.kernel.org X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Val Packett To: Cc: Val Packett , stable@vger.kernel.org, Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] drm/rockchip: vop: clear DMA stop bit upon vblank on RK3066 Date: Mon, 27 May 2024 04:16:33 -0300 Message-ID: <20240527071736.21784-1-val@packett.cool> In-Reply-To: <2024051930-canteen-produce-1ba7@gregkh> References: <2024051930-canteen-produce-1ba7@gregkh> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240527_001850_333525_39FB1082 X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On the RK3066, there is a bit that must be cleared, otherwise the picture does not show up on the display (at least for RGB). Fixes: f4a6de8 ("drm: rockchip: vop: add rk3066 vop definitions") Cc: stable@vger.kernel.org Signed-off-by: Val Packett --- v2: doing this on vblank makes more sense; added fixes tag --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 6 ++++++ drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 1 + drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 1 + 3 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index a13473b2d..2731fe2b2 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1766,6 +1766,12 @@ static void vop_handle_vblank(struct vop *vop) } spin_unlock(&drm->event_lock); + if (VOP_HAS_REG(vop, common, dma_stop)) { + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, dma_stop, 0); + spin_unlock(&vop->reg_lock); + } + if (test_and_clear_bit(VOP_PENDING_FB_UNREF, &vop->pending)) drm_flip_work_commit(&vop->fb_unref_work, system_unbound_wq); } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index b33e5bdc2..0cf512cc1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -122,6 +122,7 @@ struct vop_common { struct vop_reg lut_buffer_index; struct vop_reg gate_en; struct vop_reg mmu_en; + struct vop_reg dma_stop; struct vop_reg out_mode; struct vop_reg standby; }; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index b9ee02061..9bcb40a64 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -466,6 +466,7 @@ static const struct vop_output rk3066_output = { }; static const struct vop_common rk3066_common = { + .dma_stop = VOP_REG(RK3066_SYS_CTRL0, 0x1, 0), .standby = VOP_REG(RK3066_SYS_CTRL0, 0x1, 1), .out_mode = VOP_REG(RK3066_DSP_CTRL0, 0xf, 0), .cfg_done = VOP_REG(RK3066_REG_CFG_DONE, 0x1, 0),