From patchwork Wed Oct 23 16:50:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Stevenson X-Patchwork-Id: 13847546 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E564ECFA450 for ; Wed, 23 Oct 2024 16:50:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 38EE710E1D0; Wed, 23 Oct 2024 16:50:14 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=raspberrypi.com header.i=@raspberrypi.com header.b="okHShdDc"; dkim-atps=neutral Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) by gabe.freedesktop.org (Postfix) with ESMTPS id 030E810E195 for ; Wed, 23 Oct 2024 16:50:13 +0000 (UTC) Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-4315abed18aso67271495e9.2 for ; Wed, 23 Oct 2024 09:50:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raspberrypi.com; s=google; t=1729702211; x=1730307011; darn=lists.freedesktop.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=DHsrd+uLJ3zzJTfflluftUpg1xM7uGde28YhgXiEaII=; b=okHShdDccY/j6YlLsljBNNB9Ex2yVUJnw8U5m9YoshBL8fyKNagvdlr98FvzzqlVcU d0KznKf2BxNnJjsvY15FjFU5HAEatyBu7FbA7wHaD/PvZOWpJtBm3/BB/iVIUElZKBMJ A7bkQBdPDj/4ULU6+XrTLyvIAFrjT+DqiV/Y34HyIuDJcKiR1w2gFh9IXDh24BUNtxqm qhAnxeIMAoW7ftUWNEyJeMwdBp07w6XbbV++A2GwLiapezO8j7J278rN9A8lwvdQB7OV 5uLSqaTu7FedWjYYj49GCroRcDgs9CuxlBHvx3mbq8srRtZQwU6sK4sSmbrApU19KuDS fvvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729702211; x=1730307011; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DHsrd+uLJ3zzJTfflluftUpg1xM7uGde28YhgXiEaII=; b=Jdv0iZkapqDG1oR6iWbe5fJt6k0nXHWTDr3Plhot3dCkn+bynzk0FG5hgztppqTEzN DccQm/2ssladsj4/qhUfebcP0uME65g00QW/aadjPyjO+RQ8CI0XbwLJwwjEXovweI1X Nskp0XkCDXqWwi1KSh69lkT0jpcICoDs3SDjA0898mRtI9BiaqVom8tJ4GilwCsGqM+8 q1raV570j8Trlq6oMzGSMR8VEj8mXU6GwZD6FT+PnBeJumHiahgK+oF4ccD6NHGxyuRe S0mEre74x3mB+VEXo1ULGFC4r6NUvLxM+JmGlbpWMgbt0u2EB8dUSjml3ENRWHCdkeY/ xbtw== X-Gm-Message-State: AOJu0YyRpS0TbuY9RBQZwwA8drVvwqu+puPSXshx+eu3l1OP4EAimKcA 9nHdEPtvGA79OAtja+blHu1NxCzj4QFQF++pEdYFjfpLupiZOaimiWrxgzEjJTw= X-Google-Smtp-Source: AGHT+IERhAzD85giYVwWPW2yr0xeM1afTBRNEqyh3+VJ9Dt+uRH4uKHHawanviz9+PlgBvlZWTrZUA== X-Received: by 2002:a05:600c:3b07:b0:431:5c1c:250b with SMTP id 5b1f17b1804b1-431841e0ff1mr27913915e9.1.1729702211354; Wed, 23 Oct 2024 09:50:11 -0700 (PDT) Received: from [127.0.1.1] ([2a00:1098:3142:e::8]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-43186c50445sm21642035e9.39.2024.10.23.09.50.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 09:50:10 -0700 (PDT) From: Dave Stevenson Date: Wed, 23 Oct 2024 17:50:00 +0100 Subject: [PATCH 03/37] drm/vc4: Fix reading of frame count on GEN5 / Pi4 MIME-Version: 1.0 Message-Id: <20241023-drm-vc4-2712-support-v1-3-1cc2d5594907@raspberrypi.com> References: <20241023-drm-vc4-2712-support-v1-0-1cc2d5594907@raspberrypi.com> In-Reply-To: <20241023-drm-vc4-2712-support-v1-0-1cc2d5594907@raspberrypi.com> To: Maxime Ripard , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Michael Turquette , Stephen Boyd , Javier Martinez Canillas , Catalin Marinas , Will Deacon Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Dave Stevenson X-Mailer: b4 0.14.1 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The frame count values moved within registers DISPSTAT1 and DISPSTAT2 with GEN5, so update the accessor function to accommodate that. Fixes: b51cd7ad143d ("drm/vc4: hvs: Fix frame count register readout") Signed-off-by: Dave Stevenson Reviewed-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hvs.c | 45 +++++++++++++++++++++++++++++++----------- drivers/gpu/drm/vc4/vc4_regs.h | 6 ++++++ 2 files changed, 40 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 1edf6e3fa7e6..f8edb0791091 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -272,19 +272,42 @@ u8 vc4_hvs_get_fifo_frame_count(struct vc4_hvs *hvs, unsigned int fifo) if (!drm_dev_enter(drm, &idx)) return 0; - switch (fifo) { - case 0: - field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1), - SCALER_DISPSTAT1_FRCNT0); - break; - case 1: - field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1), - SCALER_DISPSTAT1_FRCNT1); + switch (vc4->gen) { + case VC4_GEN_5: + switch (fifo) { + case 0: + field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1), + SCALER5_DISPSTAT1_FRCNT0); + break; + case 1: + field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1), + SCALER5_DISPSTAT1_FRCNT1); + break; + case 2: + field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT2), + SCALER5_DISPSTAT2_FRCNT2); + break; + } break; - case 2: - field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT2), - SCALER_DISPSTAT2_FRCNT2); + case VC4_GEN_4: + switch (fifo) { + case 0: + field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1), + SCALER_DISPSTAT1_FRCNT0); + break; + case 1: + field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1), + SCALER_DISPSTAT1_FRCNT1); + break; + case 2: + field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT2), + SCALER_DISPSTAT2_FRCNT2); + break; + } break; + default: + drm_err(drm, "Unknown VC4 generation: %d", vc4->gen); + return 0; } drm_dev_exit(idx); diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index c55dec383929..341a75cf92e5 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -418,6 +418,10 @@ # define SCALER_DISPSTAT1_FRCNT0_SHIFT 18 # define SCALER_DISPSTAT1_FRCNT1_MASK VC4_MASK(17, 12) # define SCALER_DISPSTAT1_FRCNT1_SHIFT 12 +# define SCALER5_DISPSTAT1_FRCNT0_MASK VC4_MASK(25, 20) +# define SCALER5_DISPSTAT1_FRCNT0_SHIFT 20 +# define SCALER5_DISPSTAT1_FRCNT1_MASK VC4_MASK(19, 14) +# define SCALER5_DISPSTAT1_FRCNT1_SHIFT 14 #define SCALER_DISPSTATX(x) (SCALER_DISPSTAT0 + \ (x) * (SCALER_DISPSTAT1 - \ @@ -436,6 +440,8 @@ #define SCALER_DISPSTAT2 0x00000068 # define SCALER_DISPSTAT2_FRCNT2_MASK VC4_MASK(17, 12) # define SCALER_DISPSTAT2_FRCNT2_SHIFT 12 +# define SCALER5_DISPSTAT2_FRCNT2_MASK VC4_MASK(19, 14) +# define SCALER5_DISPSTAT2_FRCNT2_SHIFT 14 #define SCALER_DISPBASE2 0x0000006c #define SCALER_DISPALPHA2 0x00000070