From patchwork Mon Jun 24 20:40:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Val Packett X-Patchwork-Id: 13710061 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 CBD9AC2D0D1 for ; Mon, 24 Jun 2024 20:42:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ybNct5VISNj9THQmTwh5irL9J90lY2CWVHgOZSZgZdY=; b=4lkHGKeWC3Cf/7ij+dqjgleAaE 1339+vsENHAKwu4+4OrYzogADH8DoqAHMw8cSWsX0OR3XU9IMJSXNOxXvKokeMT2ahxmOF2y8epj9 JQRsOEjhHoqGVz1QtvwlmjOAbzhD08rRKi1kTw3+/ya3WCTPL2zhgkpNeLO9KnVrxtxeqEUok9z2x F/812NuQ5wV0pR82LVdaBxqP2HSV6buNIePq0JRgTDavEte7dafsUchsx2p3zba57ww7/J1emESXx AOohJi7Z0JeAJgGMyzaIQqnz+47R/4NJfOgOvaVH9/We0MT5MM5WL9aelcs5MKTlQwirBLl7BMyBl W+ZovePA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sLqVa-00000000bqJ-17I5; Mon, 24 Jun 2024 20:41:50 +0000 Received: from out-173.mta1.migadu.com ([2001:41d0:203:375::ad]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sLqVR-00000000bjr-1dqV; Mon, 24 Jun 2024 20:41:43 +0000 X-Envelope-To: val@packett.cool DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=packett.cool; s=key1; t=1719261699; 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=ybNct5VISNj9THQmTwh5irL9J90lY2CWVHgOZSZgZdY=; b=aKTzGVGQFfcBAmyxxxVdXouKRzMC/qDAjVqrVesHY7zCjjaktkFomQJ8+zq+fr684XhO9M Ol1ocuf1jOorb7Et5gD0mSIUQZ5JsQ/EF48Kr0viSD3pHeaWcUsXUuMKNLBu5TuCLCBHIw /l2XYoFh3A8jFP2FGYZz430++y2U/uQsVikeycgv4ArJDgXcbVDi3FWsf4HYQhkCHDoX2c EvwIwfhm6Ror4WreNMn0GWGtmm5Ymrz5lihpTrfIMOP+UY5ZqaZt62zzEf9Um0+OzdfOsO rtrCYR9l6YQQQnLEnBaMFrIOsOJmDV+rbmoeOc4RKa1hQoJ8oYKxPxi//qav4Q== 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 v4 1/2] drm/rockchip: vop: clear DMA stop bit on RK3066 Date: Mon, 24 Jun 2024 17:40:48 -0300 Message-ID: <20240624204054.5524-2-val@packett.cool> In-Reply-To: <20240624204054.5524-1-val@packett.cool> References: <20240624204054.5524-1-val@packett.cool> 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-20240624_134141_596547_A400AD49 X-CRM114-Status: GOOD ( 13.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The RK3066 VOP sets a dma_stop bit when it's done scanning out a frame and needs the driver to acknowledge that by clearing the bit. Unless we clear it "between" frames, the RGB output only shows noise instead of the picture. atomic_flush is the place for it that least affects other code (doing it on vblank would require converting all other usages of the reg_lock to spin_(un)lock_irq, which would affect performance for everyone). This seems to be a redundant synchronization mechanism that was removed in later iterations of the VOP hardware block. Fixes: f4a6de8 ("drm: rockchip: vop: add rk3066 vop definitions") Cc: stable@vger.kernel.org Signed-off-by: Val Packett --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++++ drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 1 + drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 1 + 3 files changed, 6 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index a13473b2d..e88fbd568 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1583,6 +1583,10 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, VOP_AFBC_SET(vop, enable, s->enable_afbc); vop_cfg_done(vop); + /* Ack the DMA transfer of the previous frame (RK3066). */ + if (VOP_HAS_REG(vop, common, dma_stop)) + VOP_REG_SET(vop, common, dma_stop, 0); + spin_unlock(&vop->reg_lock); /* 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), From patchwork Mon Jun 24 20:40:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Val Packett X-Patchwork-Id: 13710062 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 5D873C2BD09 for ; Mon, 24 Jun 2024 20:42:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Hjt3C9pL92UZVTHccpVfXiMxQ9kX8axxehFDYvZWg4M=; b=MgEJiS/vxxiTO1DSj1/xBeZa7B P/jFPRj9DM0zkW0dBtSsC/ExPFxWpb2GgcpqAhcOkpQu4Z3hSs+UuOclTH7DCLy1H62cqWOrLY0K6 vNOeGxpGJq4MbGnrXo8Yl3Jl2+isYYKg6wr5l36tpE1LxqoOhIjNn3ASI+ocxbsP59LmPO/atJl0y T4ToCfuhCWBsmGXGt57rLdwaIVoM4fFgd7DRmC6dAmIZo3ikz4zuXO97tim/ZcChTBpoKrD7pRKEr jgOWctcKJ5+afPTbhiSHdlokxx3A6e1cJi12h3pLTxgB4llxC06sIvxAyTru5gdpwKT53s2BzhuFX ld6TWsIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sLqVd-00000000bsG-2bI4; Mon, 24 Jun 2024 20:41:53 +0000 Received: from out-175.mta1.migadu.com ([95.215.58.175]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sLqVW-00000000bnb-3pye for linux-arm-kernel@lists.infradead.org; Mon, 24 Jun 2024 20:41:48 +0000 X-Envelope-To: val@packett.cool DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=packett.cool; s=key1; t=1719261704; 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=Hjt3C9pL92UZVTHccpVfXiMxQ9kX8axxehFDYvZWg4M=; b=WbQZOXCfxxNpDlQsKDmAnAnvprp35IDeWA1DfhJpU35jWsGnotyp4UU6PXcdibnptQ/O8M sYXc2DjwqQUj+KiFjXUaRkQQFmPsznFNa4Y1U9p9nKqcAP6Z+QUmlX+kJ73XhFG3CLGso7 qjlDUa+pFaZ5Fs6ekeu3c8eT0hpJJxhwIYPjSf6SSTauB8Wj77J9tU+pwCT7bH4mgGj4Oy 3TL7HXfg64HWuCbgeRwtibn+YMhjG7S6rS4VoS1/qwfDYomP+mMjlhBB4AS7wK+3gPpW8h 5Cy0D6T9iVHQ+0UPYZdv05URWthuH6tDLxe7HgqfN6jdXNIe8f8n5QyyDRSCtQ== 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 v4 2/2] drm/rockchip: vop: enable VOP_FEATURE_INTERNAL_RGB on RK3066 Date: Mon, 24 Jun 2024 17:40:49 -0300 Message-ID: <20240624204054.5524-3-val@packett.cool> In-Reply-To: <20240624204054.5524-1-val@packett.cool> References: <20240624204054.5524-1-val@packett.cool> 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-20240624_134147_194993_BC93F570 X-CRM114-Status: UNSURE ( 8.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The RK3066 does have RGB display output, so it should be marked as such. Fixes: f4a6de8 ("drm: rockchip: vop: add rk3066 vop definitions") Cc: stable@vger.kernel.org Signed-off-by: Val Packett --- drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 9bcb40a64..e2c6ba26f 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -515,6 +515,7 @@ static const struct vop_data rk3066_vop = { .output = &rk3066_output, .win = rk3066_vop_win_data, .win_size = ARRAY_SIZE(rk3066_vop_win_data), + .feature = VOP_FEATURE_INTERNAL_RGB, .max_output = { 1920, 1080 }, };