From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794045773; b=iaoHmVyI+NI5W51dHHdw7Lm0mCcnhxvUfx7dKf6VnzO9WHTEyGsopVmjSf5qSOIeYzsV BmGvLUnmvTedBuR1pbcEiexkfnCMloGCB4Lt41pv9Y89dOM7egK0BRqoNyOhVrWtpZZNW MlJ06MbdVUM2zN/PAYRoJ3Nms4ay0M2ETMvhY45BdV9u5oc4M0fVrU55dlzW/VemPcMIh qaKl/ir2r/dH2gEPUIeJHTasbFgHWdbwe4SnsaRFtxgRBKyXLwJv6msbtpQVPIlH1+ng9 k6YdMp4shou/cvKtsevvN+Rd4S6eoxJvMeKnPAmJ3Bez7oJeesA56dig4T+GBKQcNDg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794045773; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=4uimM/gQSj28tpHMgj/hp2HAYaniFT78VzMNtEW95Oo=; b=iiYcKs7OTuCAvStiXNswGxbFICsK/99wlavjPGINk5GrrgoLWUy6hZbqRjhAGonOhDr0 bWbbDRWA3D2Q4A7v+3W8bOnYm/6WWs9vOW8QDYPfTYAU2oPySRhJIkzK7nYsO5hkQl8Uu iIfxb/HiuIFUzSjdo94MEAJPsY8L40b6ohXRTaxHn4FA5T+tersFMHZuvO5lgYtqQWFq3 M0qAqGEowbOMTJZB6PL/c0abnmnEUsSW9iBvZleFw77VVRKZ3K7sdNnGiVclg4x5PFrrr 5CF220JpxwQZzyedEG8PZKxY490uUHP4TxpRhjc422F5MuM58f5JTlTbA2vuKjwpN8A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lJuQ2Zwt; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 52FBD606A326 for ; Sat, 7 Nov 2026 10:02:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lJuQ2Zwt Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CEE01F008A2; Sat, 7 Nov 2026 10:02:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794045772; bh=4uimM/gQSj28tpHMgj/hp2HAYaniFT78VzMNtEW95Oo=; h=From:To:Cc:Subject:Date; b=lJuQ2ZwtbCQyAr26BrKTl7R2eNqzYCqh71troXZ7wC4ueqb3bS2curo+cJ86BvtIE pOJCirw2vchWPgIwLJyN4AGjR398PkxO4YneXXKlt9k4d8f6vJUQ+cM8fmyb8N/+xF E6lC9pkJUW//IuxzLQnNVuo3ik4f25pD20gIYuCsTQQV5mi9AgQ1vdySUdRNomgRpd aaAO20EzAle+t/PZYQnddWzmp0N+XSph9cVXKQHbobXJn+ubZ/IyGFMu99v3J4r21W uq57GPhFNtZJy3rVw/ndSxA5xuZYeOShlSsjZmsHg67D2SUm+u3bfGK3iLfNbVIOg9 xsdKd5JcStUZw== From: Sasha Levin To: matthew.auld@intel.com, thomas.hellstrom@linux.intel.com, matthew.brost@intel.com, rodrigo.vivi@intel.com Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] drm/xe/vram: report FLAT_CCS base misalignment" failed to apply to 7.3-stable tree Date: Sat, 7 Nov 2026 05:02:51 -0500 Message-ID: <20261107050251-failed-7.3-d00b7f4f03bb@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 7.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-7.3.y git checkout FETCH_HEAD git cherry-pick -x d00b7f4f03bbeb2efad872f1686130e18c2b4141 # git commit -s git send-email --to '' --in-reply-to '20261107050251-failed-7.3-d00b7f4f03bb@kernel.org' --subject-prefix 'PATCH 7.3.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From d00b7f4f03bbeb2efad872f1686130e18c2b4141 Mon Sep 17 00:00:00 2001 From: Matthew Auld Date: Wed, 2 Sep 2026 13:41:20 +0100 Subject: [PATCH] drm/xe/vram: report FLAT_CCS base misalignment MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit So we can easily check if a machine had the CCS bug, when looking back over bug reports where we have the same machine with newer kernel. Example print for a machine with the CCS bug: FLAT_CCS base:27bbff800, aligned:no v2 (Matt B): - Unconditionally print the base + alignment Fixes: 37173392741c ("drm/xe/vram: fix ccs offset calculation") Signed-off-by: Matthew Auld Cc: Thomas Hellström Cc: Matthew Brost Cc: Rodrigo Vivi Cc: stable@kernel.org Reviewed-by: Matthew Brost Link: https://patch.msgid.link/20260902124117.918018-9-matthew.auld@intel.com --- drivers/gpu/drm/xe/xe_vram.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_vram.c b/drivers/gpu/drm/xe/xe_vram.c index 7b4478fb1697c..56cff1e44530b 100644 --- a/drivers/gpu/drm/xe/xe_vram.c +++ b/drivers/gpu/drm/xe/xe_vram.c @@ -90,6 +90,9 @@ static int get_flat_ccs_offset(struct xe_gt *gt, u64 tile_size, u64 *poffset) offset |= offset_lo << 6; /* HW view bits 31:6 */ offset *= num_enabled; /* convert to SW view */ + drm_info(&xe->drm, "FLAT_CCS base:%llx, aligned:%s\n", offset, + str_yes_no(IS_ALIGNED(offset, SZ_128K))); + /* * Everything below this offset is handed to the VRAM * allocator, so it has to be the *first* address the -- 2.53.0