{"id":15491,"url":"https://patchwork.libcamera.org/api/1.1/patches/15491/?format=json","web_url":"https://patchwork.libcamera.org/patch/15491/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20220322013119.4262-1-hpa@redhat.com>","date":"2022-03-22T01:31:19","name":"[libcamera-devel] ipa: ipu3: af: Set default grid block width to the minimum value","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"2ce9d32cf0f564340fc928676be447fb7e742142","submitter":{"id":105,"url":"https://patchwork.libcamera.org/api/1.1/people/105/?format=json","name":"Kate Hsuan","email":"hpa@redhat.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/15491/mbox/","series":[{"id":2980,"url":"https://patchwork.libcamera.org/api/1.1/series/2980/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2980","date":"2022-03-22T01:31:19","name":"[libcamera-devel] ipa: ipu3: af: Set default grid block width to the minimum value","version":1,"mbox":"https://patchwork.libcamera.org/series/2980/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15491/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15491/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id D3B11BD80A\n\tfor ;\n\tTue, 22 Mar 2022 01:31:53 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 1FE48604D4;\n\tTue, 22 Mar 2022 02:31:53 +0100 (CET)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.129.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 65DD0604C7\n\tfor ;\n\tTue, 22 Mar 2022 02:31:50 +0100 (CET)","from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com\n\t[66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS\n\t(version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\tus-mta-155-wZdZK3uCNRC2ksr7jvGnLw-1; 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charset=\"US-ASCII\"","Subject":"[libcamera-devel] [PATCH] ipa: ipu3: af: Set default grid block\n\twidth to the minimum value","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Kate Hsuan via libcamera-devel ","Reply-To":"Kate Hsuan ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Since x\tcoordinate is incorrectly computed by a kernel issue, the block width\nshould be set to 4 to prevent using the second stripe when setting the AF scene\nto the centre of the image. A kernel patch had fixed this issue. Therefore, this\nvalue can be set to the default minimum value.\n\nSigned-off-by: Kate Hsuan \n---\nThe kernel patch is shown as following URL.\nhttps://lore.kernel.org/linux-media/CAEth8oES8abPO4p7eFv43PwDXuxeOmg1661YtVvykBPrkagzKg@mail.gmail.com/T/#mb02fa73ce9e3089a4619c318badb2047a3ac39e2\n---\n src/ipa/ipu3/algorithms/af.h | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/src/ipa/ipu3/algorithms/af.h b/src/ipa/ipu3/algorithms/af.h\nindex 13c7e0e8..108fcd18 100644\n--- a/src/ipa/ipu3/algorithms/af.h\n+++ b/src/ipa/ipu3/algorithms/af.h\n@@ -20,7 +20,7 @@ static constexpr uint8_t kAfMinGridWidth = 16;\n static constexpr uint8_t kAfMinGridHeight = 16;\n static constexpr uint8_t kAfMaxGridWidth = 32;\n static constexpr uint8_t kAfMaxGridHeight = 24;\n-static constexpr uint16_t kAfMinGridBlockWidth = 4;\n+static constexpr uint16_t kAfMinGridBlockWidth = 3;\n static constexpr uint16_t kAfMinGridBlockHeight = 3;\n static constexpr uint16_t kAfMaxGridBlockWidth = 6;\n static constexpr uint16_t kAfMaxGridBlockHeight = 6;\n","prefixes":["libcamera-devel"]}