From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8334CC33C9E for ; Fri, 31 Jan 2020 01:46:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5045820674 for ; Fri, 31 Jan 2020 01:46:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5045820674 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D103A6E113; Fri, 31 Jan 2020 01:46:39 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id EE3466E113 for ; Fri, 31 Jan 2020 01:46:38 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 206351] RX 5600 XT Not Correctly Recognized, Max Memory Frequency Below Where it Should Be Date: Fri, 31 Jan 2020 01:46:38 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Video(DRI - non Intel) X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gardotd426@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" https://bugzilla.kernel.org/show_bug.cgi?id=206351 --- Comment #5 from Matt McDonald (gardotd426@gmail.com) --- I'm not referring to the 1750MHz boost clock. I'm referring to the 14Gbps Memory clock on the same page. Which is 1750MHz (1750Mhz * 8 octopumped GDDR6 = 14Gbps or 14GT/s, which is the stated memory frequency of the card) . Which is how it's reported in Windows as well. Like explained on here: https://forums.tomshardware.com/threads/effective-memory-clock-speed-confusions.3518637/ and here: https://www.techpowerup.com/forums/threads/how-to-calculate-gddr6-speed-from-gpu-z.250747/ Literally everything I can find has said to calculate the GDDR6 clock frequency as DOUBLE(DoubleDataRate, so x2) rate and Quad(x4) pumped, so 1750 * 2 * 4 = 14000, or 14Gbps. The specs for the card itself show it's memory frequency at 14Gbps, which fits everything I've seen. Windows reports the Memory clock (no, not the Boost clock, they're listed separately) as 1750MHz which also lines up. Am I missing something? If I am, I apologize but literally everything I can find says otherwise. If I am missing something, how does 14Gbps (which is the official memory clock frequency of the card) end up being 900MHz? -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel