From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F5C71769FD; Sun, 24 Mar 2024 23:38:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323503; cv=none; b=ny5+01ggd81YnVpVo95Ns2r1vLDNX00fs4A1zFsfwjiWZ/jRfD46hKCsMewJ8W+MXe3+la5BsTGb69CesNpeMqMutxxqg07x/P98EORY2CdeojNvZGNsjjJQgN0ilYZIK4CK4w5O64ysqASbo9bZ0QrjlYNGoyCqkT78j0Ruyuw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323503; c=relaxed/simple; bh=vzvGbXL+49eDjUdw6sUa8nAJ5qfNhT2THOeIEtzub5M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mypi+hEq0DAwhEcfGGXfT7dOyGdIqYaDWR+F1bC1yPCzrlzBNEHmGDHgaDu+8tTY5QjAowu9yQOdudeAIexLmsHajvAnZnVnb3O/8yeqGtLafTEidxWoopL6dgnl0YwUB3rdHmrQyhr1wH6n+OsjVEEm+i58GPGZrcj8t/9sjkU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ErgS/hqJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ErgS/hqJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CB17C433C7; Sun, 24 Mar 2024 23:38:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711323501; bh=vzvGbXL+49eDjUdw6sUa8nAJ5qfNhT2THOeIEtzub5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ErgS/hqJ3OAEIucrhdGZg2TSe9eTDKv6ojOqW9YDSMnBaAPGqIYnuqAU8VBbSeQOq Z/N8a6pj0R0C2DvSY619pw3PKtxOjWBRJmVfkY9lnqm3eWcwJN0+86x5YHuX+MAKoU QzUZHOAAtqZJa6F5HtxnrFH0SQnU8Ve4aKAIlovH9Hd9eFGRAP3C/uvpKi/4c1jjng hef5c064lmWcQdu8ZogwknBi/cIHaKT5H4YlIGbkt2IE6j6oydFePYsL9YWPwH83C7 0FeqHg36Ln91mLIjwjnFiI3aVCUmF9+M3Oax7l6m9uL+n6mEpWW7XQX1uuKJzgb2u2 GXT7ggi4DC7rA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jernej Skrabec , Hans Verkuil , Sasha Levin Subject: [PATCH 5.15 207/317] media: sun8i-di: Fix coefficient writes Date: Sun, 24 Mar 2024 19:33:07 -0400 Message-ID: <20240324233458.1352854-208-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324233458.1352854-1-sashal@kernel.org> References: <20240324233458.1352854-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Jernej Skrabec [ Upstream commit 794b581f8c6eb7b60fe468ccb96dd3cd38ff779f ] 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 Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- .../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 671e4a928993d..073a61c094183 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) -- 2.43.0