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 DF8F0350D77; Tue, 6 Jan 2026 18:02:11 +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=1767722532; cv=none; b=IQEd4Tbmdt7f3bUaqoeE4ERtldvxvS8PHcHWQ7MSI8ilb/1K7jUykPqX91GuoexjtUvE6QnuJdvWN6xKvyytpSnyOP8GwDbcY4R19/d/64nOn3k57OT4Ts67Q9KpsSxEP/cvwwbJLJeiRkRbB/dmTlzkyLETw58qCy92hSzLE4o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767722532; c=relaxed/simple; bh=2pp0vxH7niH6Wm4qtIEtq7/QCLHAesNdN/3jCwhK1Qg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=K1QT0nPMqcxc9c+5AFglI2auU0oxmEiJLz24NGljGXMMbPG1e46jperQ/Aiuw/4whrhjkPkQspd8FIDzRvRvaXmLaRP5CRJRI6bCY9sSVaTEHskMFQk659ZSrst6HHiPNhfpkd2QuuL7SS718FApm/1NI7E5c3PvJPHmNflyzME= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dftizWV6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="dftizWV6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FF17C16AAE; Tue, 6 Jan 2026 18:02:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767722531; bh=2pp0vxH7niH6Wm4qtIEtq7/QCLHAesNdN/3jCwhK1Qg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dftizWV6QstpvBvtZvajKnQ9kBO2AeSL9YdGgcng5Br1Ysu0Eu0MW06N9BtOdi7tS qt6Nzp8zl5v65hLxOfdusyNwjbMxC1EDxf5iwpHq5p5qPzwde4ReV7JynPUCG+4f1x UrtcM92QXS9MLLuKOtOfb4muHeZu3x1ZvyEqaWSo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rodrigo Vivi , Matthew Brost , Maarten Lankhorst , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Karol Wachowski Subject: [PATCH 6.18 292/312] drm/xe/bo: Dont include the CCS metadata in the dma-buf sg-table Date: Tue, 6 Jan 2026 18:06:06 +0100 Message-ID: <20260106170558.417965515@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260106170547.832845344@linuxfoundation.org> References: <20260106170547.832845344@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Hellström commit 449bcd5d45eb4ce26740f11f8601082fe734bed2 upstream. Some Xe bos are allocated with extra backing-store for the CCS metadata. It's never been the intention to share the CCS metadata when exporting such bos as dma-buf. Don't include it in the dma-buf sg-table. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: Rodrigo Vivi Cc: Matthew Brost Cc: Maarten Lankhorst Cc: # v6.8+ Signed-off-by: Thomas Hellström Reviewed-by: Matthew Brost Reviewed-by: Karol Wachowski Link: https://patch.msgid.link/20251209204920.224374-1-thomas.hellstrom@linux.intel.com (cherry picked from commit a4ebfb9d95d78a12512b435a698ee6886d712571) Signed-off-by: Thomas Hellström Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/xe/xe_dma_buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/xe/xe_dma_buf.c +++ b/drivers/gpu/drm/xe/xe_dma_buf.c @@ -113,7 +113,7 @@ static struct sg_table *xe_dma_buf_map(s case XE_PL_TT: sgt = drm_prime_pages_to_sg(obj->dev, bo->ttm.ttm->pages, - bo->ttm.ttm->num_pages); + obj->size >> PAGE_SHIFT); if (IS_ERR(sgt)) return sgt;