From patchwork Wed Oct 23 16:50:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Stevenson X-Patchwork-Id: 13847565 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 3682DCFA452 for ; Wed, 23 Oct 2024 16:51:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8CC8E10E837; Wed, 23 Oct 2024 16:51:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=raspberrypi.com header.i=@raspberrypi.com header.b="dfskfLj7"; dkim-atps=neutral Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) by gabe.freedesktop.org (Postfix) with ESMTPS id B5A4110E82D for ; Wed, 23 Oct 2024 16:50:42 +0000 (UTC) Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-4315abed18aso67276165e9.2 for ; Wed, 23 Oct 2024 09:50:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raspberrypi.com; s=google; t=1729702241; x=1730307041; 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=6vaguUe7juL1LVMz08cL6sDxAEiRfNF+JBFP9wF0Q+s=; b=dfskfLj7hovZufJG8+b1Om3S02t8w2nkG2iBUWz156Qj9Dvk1T+1PuBDL31nNRin9J XFPswiM7gHlUO+asq+KBnZuGfU9W0L3CR8lutykn1xTx0AOjB/P77vppDYvMERrZ1B6D IRKCdRM2ZlQH0RuznM5F2N+Fd0xefcpss6WiD3eZvNfnQxIqj+2rwV4YkmY1Yj/iLzQt fZdppTvSd+BXHloFPZ7NS76LhFvWLzJFjY0WsVqQvCtwsOgoyIzBCxxsZlw/AWD+/Jcx eQLcmkDpiJyhbznP29xDeVGgbKgKltQDepLjPbI57Q3aSo3GZabDNQkndkDm0Z5c/b8Y OmMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729702241; x=1730307041; 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=6vaguUe7juL1LVMz08cL6sDxAEiRfNF+JBFP9wF0Q+s=; b=v+smOHAcK2FjCwMa8smFiPKmHCpV5VoDrSHCFVkRFxbfgdbVGAXMKdJCwfyK9jp5BO W/NMqoWTBQxwZwgc70cfmaxMwRjp3jKXTeGj6p056erFWPxnoSgvOG95uKZZ27JYqPhf bHX3qhKN3s2uqZJZonE4RsAf3R8XW0zZk7Rkbp1lW0a5mEETSLQ8qh0ChLJA9vEUkGYj E2VZSAGtzhIob4xIVJMcRbZ9Dq+6qyVAG1ly6p3m4CNvgTszmyPq0v1yTMtXh1rrBVNP kuVndNXsnbzwWU15uyUA6HOLU4E/1BEokQMqIKvPZAyZUFa8plliWBNZTBKLkhUqcSwY 0M1A== X-Gm-Message-State: AOJu0Yw/X5JUZ1K5c+lxpIHJLO++e8EvCZId6jQYjMbTy9RKI9nI0omM vP6zhNEK2NxSgqgyzECGLe0nTfD8MxeIlh/LkhT3WTk9XCdN+CUq10gMo2H7DRM= X-Google-Smtp-Source: AGHT+IERYOndgW/udDrkKTC0Se/KUmNKFRwzDAk4TOKT6h49ITwfBkIc/0nZV6Akai4GqaHXpM9b4Q== X-Received: by 2002:a05:600c:511c:b0:42f:823d:dddd with SMTP id 5b1f17b1804b1-4318423b856mr23693165e9.27.1729702241069; Wed, 23 Oct 2024 09:50:41 -0700 (PDT) Received: from [127.0.1.1] ([2a00:1098:3142:e::8]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-43186c50445sm21642035e9.39.2024.10.23.09.50.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 09:50:40 -0700 (PDT) From: Dave Stevenson Date: Wed, 23 Oct 2024 17:50:23 +0100 Subject: [PATCH 26/37] drm/vc4: hdmi: Support 2712 D-step register map MIME-Version: 1.0 Message-Id: <20241023-drm-vc4-2712-support-v1-26-1cc2d5594907@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 D-step has increased FIFO sizes of the MAI_THR blocks, resulting in changes to the register masking. Add support for it. Signed-off-by: Dave Stevenson Reviewed-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hdmi.c | 19 +++++++++++++++++-- drivers/gpu/drm/vc4/vc4_regs.h | 9 +++++++++ 2 files changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 95ef8bbe6439..6fcdd1c247d2 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -2128,18 +2128,33 @@ static int vc4_hdmi_audio_prepare(struct device *dev, void *data, VC4_HDMI_AUDIO_PACKET_CEA_MASK); /* Set the MAI threshold */ - if (vc4->gen >= VC4_GEN_5) + switch (vc4->gen) { + case VC4_GEN_6_D: + HDMI_WRITE(HDMI_MAI_THR, + VC4_SET_FIELD(0x10, VC6_D_HD_MAI_THR_PANICHIGH) | + VC4_SET_FIELD(0x10, VC6_D_HD_MAI_THR_PANICLOW) | + VC4_SET_FIELD(0x1c, VC6_D_HD_MAI_THR_DREQHIGH) | + VC4_SET_FIELD(0x1c, VC6_D_HD_MAI_THR_DREQLOW)); + break; + case VC4_GEN_6_C: + case VC4_GEN_5: HDMI_WRITE(HDMI_MAI_THR, VC4_SET_FIELD(0x10, VC4_HD_MAI_THR_PANICHIGH) | VC4_SET_FIELD(0x10, VC4_HD_MAI_THR_PANICLOW) | VC4_SET_FIELD(0x1c, VC4_HD_MAI_THR_DREQHIGH) | VC4_SET_FIELD(0x1c, VC4_HD_MAI_THR_DREQLOW)); - else + break; + case VC4_GEN_4: HDMI_WRITE(HDMI_MAI_THR, VC4_SET_FIELD(0x8, VC4_HD_MAI_THR_PANICHIGH) | VC4_SET_FIELD(0x8, VC4_HD_MAI_THR_PANICLOW) | VC4_SET_FIELD(0x6, VC4_HD_MAI_THR_DREQHIGH) | VC4_SET_FIELD(0x8, VC4_HD_MAI_THR_DREQLOW)); + break; + default: + drm_err(drm, "Unknown VC4 generation: %d", vc4->gen); + break; + } HDMI_WRITE(HDMI_MAI_CONFIG, VC4_HDMI_MAI_CONFIG_BIT_REVERSE | diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index 0046bdb7ca32..27158be19952 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -987,6 +987,15 @@ enum { # define VC4_HD_MAI_THR_DREQLOW_MASK VC4_MASK(5, 0) # define VC4_HD_MAI_THR_DREQLOW_SHIFT 0 +# define VC6_D_HD_MAI_THR_PANICHIGH_MASK VC4_MASK(29, 23) +# define VC6_D_HD_MAI_THR_PANICHIGH_SHIFT 23 +# define VC6_D_HD_MAI_THR_PANICLOW_MASK VC4_MASK(21, 15) +# define VC6_D_HD_MAI_THR_PANICLOW_SHIFT 15 +# define VC6_D_HD_MAI_THR_DREQHIGH_MASK VC4_MASK(13, 7) +# define VC6_D_HD_MAI_THR_DREQHIGH_SHIFT 7 +# define VC6_D_HD_MAI_THR_DREQLOW_MASK VC4_MASK(6, 0) +# define VC6_D_HD_MAI_THR_DREQLOW_SHIFT 0 + /* Divider from HDMI HSM clock to MAI serial clock. Sampling period * converges to N / (M + 1) cycles. */