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[82.149.12.148]) by smtp.gmail.com with ESMTPSA id l16-20020a170906415000b00a232bf6045csm423629ejk.63.2023.12.16.05.34.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Dec 2023 05:34:28 -0800 (PST) From: Jernej Skrabec To: wens@csie.org, samuel@sholland.org Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH 1/3] media: sun8i-di: Fix coefficient writes Date: Sat, 16 Dec 2023 14:34:20 +0100 Message-ID: <20231216133422.2534674-2-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231216133422.2534674-1-jernej.skrabec@gmail.com> References: <20231216133422.2534674-1-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Currently coefficients are applied only once, since they don't change. However, this is done before enable bit is set and thus it doesn't get applied properly. Fix that by applying coefficients after enable bit is set. While this means that it will be done evey time, it doesn't bring much time penalty. Fixes: a4260ea49547 ("media: sun4i: Add H3 deinterlace driver") Signed-off-by: Jernej Skrabec --- .../media/platform/sunxi/sun8i-di/sun8i-di.c | 42 +++++++++---------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c index 90ab1d77b6a5..34e099939284 100644 --- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c +++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c @@ -66,6 +66,7 @@ static void deinterlace_device_run(void *priv) struct vb2_v4l2_buffer *src, *dst; unsigned int hstep, vstep; dma_addr_t addr; + int i; src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); @@ -160,6 +161,26 @@ static void deinterlace_device_run(void *priv) deinterlace_write(dev, DEINTERLACE_CH1_HORZ_FACT, hstep); deinterlace_write(dev, DEINTERLACE_CH1_VERT_FACT, vstep); + /* neutral filter coefficients */ + deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL, + DEINTERLACE_FRM_CTRL_COEF_ACCESS); + readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val, + val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40); + + for (i = 0; i < 32; i++) { + deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4, + DEINTERLACE_IDENTITY_COEF); + deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4, + DEINTERLACE_IDENTITY_COEF); + deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4, + DEINTERLACE_IDENTITY_COEF); + deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4, + DEINTERLACE_IDENTITY_COEF); + } + + deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL, + DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0); + deinterlace_clr_set_bits(dev, DEINTERLACE_FIELD_CTRL, DEINTERLACE_FIELD_CTRL_FIELD_CNT_MSK, DEINTERLACE_FIELD_CTRL_FIELD_CNT(ctx->field)); @@ -248,7 +269,6 @@ static irqreturn_t deinterlace_irq(int irq, void *data) static void deinterlace_init(struct deinterlace_dev *dev) { u32 val; - int i; deinterlace_write(dev, DEINTERLACE_BYPASS, DEINTERLACE_BYPASS_CSC); @@ -285,26 +305,6 @@ static void deinterlace_init(struct deinterlace_dev *dev) deinterlace_clr_set_bits(dev, DEINTERLACE_CHROMA_DIFF, DEINTERLACE_CHROMA_DIFF_TH_MSK, DEINTERLACE_CHROMA_DIFF_TH(5)); - - /* neutral filter coefficients */ - deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL, - DEINTERLACE_FRM_CTRL_COEF_ACCESS); - readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val, - val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40); - - for (i = 0; i < 32; i++) { - deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4, - DEINTERLACE_IDENTITY_COEF); - deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4, - DEINTERLACE_IDENTITY_COEF); - deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4, - DEINTERLACE_IDENTITY_COEF); - deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4, - DEINTERLACE_IDENTITY_COEF); - } - - deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL, - DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0); } static inline struct deinterlace_ctx *deinterlace_file2ctx(struct file *file) From patchwork Sat Dec 16 13:34:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 13495568 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F8DC2C69D; 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[82.149.12.148]) by smtp.gmail.com with ESMTPSA id l16-20020a170906415000b00a232bf6045csm423629ejk.63.2023.12.16.05.34.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Dec 2023 05:34:29 -0800 (PST) From: Jernej Skrabec To: wens@csie.org, samuel@sholland.org Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH 2/3] media: sun8i-di: Fix power on/off sequences Date: Sat, 16 Dec 2023 14:34:21 +0100 Message-ID: <20231216133422.2534674-3-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231216133422.2534674-1-jernej.skrabec@gmail.com> References: <20231216133422.2534674-1-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 According to user manual, reset line should be deasserted before clocks are enabled. Also fix power down sequence to be reverse of that. Fixes: a4260ea49547 ("media: sun4i: Add H3 deinterlace driver") Signed-off-by: Jernej Skrabec --- .../media/platform/sunxi/sun8i-di/sun8i-di.c | 25 ++++++++++--------- 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c index 34e099939284..f253a40cc04f 100644 --- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c +++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c @@ -929,11 +929,18 @@ static int deinterlace_runtime_resume(struct device *device) return ret; } + ret = reset_control_deassert(dev->rstc); + if (ret) { + dev_err(dev->dev, "Failed to apply reset\n"); + + goto err_exclusive_rate; + } + ret = clk_prepare_enable(dev->bus_clk); if (ret) { dev_err(dev->dev, "Failed to enable bus clock\n"); - goto err_exclusive_rate; + goto err_rst; } ret = clk_prepare_enable(dev->mod_clk); @@ -950,23 +957,16 @@ static int deinterlace_runtime_resume(struct device *device) goto err_mod_clk; } - ret = reset_control_deassert(dev->rstc); - if (ret) { - dev_err(dev->dev, "Failed to apply reset\n"); - - goto err_ram_clk; - } - deinterlace_init(dev); return 0; -err_ram_clk: - clk_disable_unprepare(dev->ram_clk); err_mod_clk: clk_disable_unprepare(dev->mod_clk); err_bus_clk: clk_disable_unprepare(dev->bus_clk); +err_rst: + reset_control_assert(dev->rstc); err_exclusive_rate: clk_rate_exclusive_put(dev->mod_clk); @@ -977,11 +977,12 @@ static int deinterlace_runtime_suspend(struct device *device) { struct deinterlace_dev *dev = dev_get_drvdata(device); - reset_control_assert(dev->rstc); - clk_disable_unprepare(dev->ram_clk); clk_disable_unprepare(dev->mod_clk); clk_disable_unprepare(dev->bus_clk); + + reset_control_assert(dev->rstc); + clk_rate_exclusive_put(dev->mod_clk); return 0; From patchwork Sat Dec 16 13:34:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 13495569 Received: from mail-ed1-f53.google.com (mail-ed1-f53.google.com [209.85.208.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A5E72D7A7; Sat, 16 Dec 2023 13:34:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="c7NxgO6j" Received: by mail-ed1-f53.google.com with SMTP id 4fb4d7f45d1cf-552d39ac3ccso2430496a12.0; Sat, 16 Dec 2023 05:34:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702733671; x=1703338471; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nTmoBalM2UZzwSsqBtYN4pTcgAH6LuJG4x51tAzCQyI=; b=c7NxgO6jDFPu0MX3vH1RvG41gJy5KAPIp3RjeKaXd6kG82RcYsrh68GKJllWNkgwjJ hRaKDzdf6JfEn5zZbOOWVagVzchT/SfOaR8SMsjdEEbXWPRVv3NOHN2L4US9awNZZBQd 31VxPToNoHMlEzJe28fRcyDLMdD7GSyiijggpy3yjJyuwE4YCaPtu8MIV0IYWk/i2MIy qJ1KbZ/rJEEpayF+J1NZ8EGfVAquvn2f2I3hlg1oO5+o1Nr9q5OsdpjYAlChr0r65+Ee vDGC+7Nyrqxi/dWkKTPO4Az9PJ/m4bArIgLiknfGxW7HENiQObCCSsCmDeu1Rxrjvmam 03lg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702733671; x=1703338471; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=nTmoBalM2UZzwSsqBtYN4pTcgAH6LuJG4x51tAzCQyI=; b=SJxpDwhL8BBazr6uRy+/rDTIU+/ULCj2OHm7que8WxahxEe46jL2N9lzU5VMuajGkB xgtVglYV6G3EuFotvxqOJNqj0Ytj7q2cC1oJUbVFd8ztm/hZ9ipOCExXhMKrewVQ1uAj PTCWDBRyqOnjCxAEnIXshA4iH7iuiOKtXHyUGrjlSV/6S8bJdoGkihn17gEgGW4Ecuv4 NJXSSiK9IsYenmga6wN/TzXVukh1BjrGW5/eIF31kN/7lZi/KD6UZFIm04xa9TxYm/yx w9ZIN5Dd91gsvzhk5A1dRYekQO9OnHaYDBQ2j6C6QTvV7d4+mlpXvat8D1T3AJ8P0UVd w3fQ== X-Gm-Message-State: AOJu0YwgTUvEMfCNiUYJRb1vzFrFOOytHPa5pBdyu3Apu5fFqfoJDEJm MrurZt8kY0UzSHJu9PdBvWQ= X-Google-Smtp-Source: AGHT+IH3b10j+8jyAKAtdvCEywyWlISzpZTeWRwzu6lMvYyzMBeGp+kGNS8nahX92FU1+f2A18l15Q== X-Received: by 2002:a17:906:6d4f:b0:a23:31e9:71e4 with SMTP id a15-20020a1709066d4f00b00a2331e971e4mr344349ejt.71.1702733670581; Sat, 16 Dec 2023 05:34:30 -0800 (PST) Received: from localhost.localdomain (82-149-12-148.dynamic.telemach.net. [82.149.12.148]) by smtp.gmail.com with ESMTPSA id l16-20020a170906415000b00a232bf6045csm423629ejk.63.2023.12.16.05.34.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Dec 2023 05:34:30 -0800 (PST) From: Jernej Skrabec To: wens@csie.org, samuel@sholland.org Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH 3/3] media: sun8i-di: Fix chroma difference threshold Date: Sat, 16 Dec 2023 14:34:22 +0100 Message-ID: <20231216133422.2534674-4-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231216133422.2534674-1-jernej.skrabec@gmail.com> References: <20231216133422.2534674-1-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 While there is no good explanation what this value does, vendor driver uses value 31 for it. Align driver with it. Fixes: a4260ea49547 ("media: sun4i: Add H3 deinterlace driver") Signed-off-by: Jernej Skrabec --- drivers/media/platform/sunxi/sun8i-di/sun8i-di.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c index f253a40cc04f..f7ff0937828c 100644 --- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c +++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c @@ -304,7 +304,7 @@ static void deinterlace_init(struct deinterlace_dev *dev) deinterlace_clr_set_bits(dev, DEINTERLACE_CHROMA_DIFF, DEINTERLACE_CHROMA_DIFF_TH_MSK, - DEINTERLACE_CHROMA_DIFF_TH(5)); + DEINTERLACE_CHROMA_DIFF_TH(31)); } static inline struct deinterlace_ctx *deinterlace_file2ctx(struct file *file)