From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 DF4F23128C0; Fri, 14 Nov 2025 10:31:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763116268; cv=none; b=QVrH/J2vWzklgT8di7gXTZFAPK1UOnmVEMZ4aJIMWvB1cN0Uzu3qg79NGmvdyailxm0qGSCdj5sGYU1qjvVKahtEIbBf2CP83BG2Ox5DwPo3LHe8wFheRiCQrqA92M9Ns6jMPHDf01OcwbpYOlzKeBHKYlIks0eQPJ8rHYa6lS8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763116268; c=relaxed/simple; bh=4H+gkE1nhzILPkm76jIHz8K1t3KUC9ctV4oeJAaqBDA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=XubqHh6lBu7Muh5dzd5w5fMQedqrtHw4hSbqLOJePKD5iPnqkQsaJJpBVHfmygVPGIj/mQAbj+uq5MIrs4TyXG8Jw+vQmGx0gbcmZElVJy5m29LmJM8WvsQGPlT/GEJVunGwhKgzvIYb4tYPY9wRkyZlLIFqk95Gek1z4BJ9Fm0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TqhQP6UX; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TqhQP6UX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763116266; x=1794652266; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=4H+gkE1nhzILPkm76jIHz8K1t3KUC9ctV4oeJAaqBDA=; b=TqhQP6UXeNWPnJxCPCog51n/nSygYUgM8QEHtJHGFt3aEEGYg0fSICHZ i6/ZlkZJEqA0rpYvrAzZ4NDB000xGkMC4yYMZslwmg0PicIIwggwHTKAj bFRkD/AWp8vLI8rVgFMHhmq/r9yBkzZuK0BS7v2e5HjnLVA1eeD9mwz+3 WY+N8NXRYXr6btWUmAovXlNNrN38tiegOvhfL1TYx7evLRZrcagPbIxQ9 r9JEz9J4p5FyMaQjyRptLCI8bH2VK434vbzPnyZVuZWF5tRZlKCE8cQpe oB7PqSXakNohoKNqFAx1acSNIPBrkLgTjW8Ow1OQMLXrAoJGbAEfP3tmB w==; X-CSE-ConnectionGUID: MoM6vQTATEW+rdIAVgSuuw== X-CSE-MsgGUID: Kon7nMDYSiWeYxnFtukGLA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="76670211" X-IronPort-AV: E=Sophos;i="6.19,304,1754982000"; d="scan'208";a="76670211" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2025 02:31:04 -0800 X-CSE-ConnectionGUID: eBJRYcq2Sr6a7pU+o5mKXQ== X-CSE-MsgGUID: OeaTK7j+SCKPYKFtdtMwLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,304,1754982000"; d="scan'208";a="213155445" Received: from ijarvine-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.244.31]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2025 02:31:00 -0800 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= To: Bjorn Helgaas , =?UTF-8?q?Christian=20K=C3=B6nig?= , linux-pci@vger.kernel.org, Alex Deucher , David Airlie , Simona Vetter , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Subject: [PATCH 1/1] PCI (& drm/amdgpu): BAR to be excluded depends on HW generation Date: Fri, 14 Nov 2025 12:30:53 +0200 Message-Id: <20251114103053.13778-1-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Depending on HW generation, BAR that needs to be excluded from pci_resize_resource() is either 2 or 5. Suggested-by: Christian König Signed-off-by: Ilpo Järvinen --- This change should be be folded into the commit 73cd7ee85e78 ("PCI: Fix restoring BARs on BAR resize rollback path") in the pci/resource branch. Also the changelog should be changed: "(BAR 5)" -> "(BAR 2 or 5)". --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4e241836ae68..bf0bc38e1c47 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1736,7 +1736,9 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) pci_release_resource(adev->pdev, 0); - r = pci_resize_resource(adev->pdev, 0, rbar_size, 1 << 5); + r = pci_resize_resource(adev->pdev, 0, rbar_size, + (adev->asic_type >= CHIP_BONAIRE) ? 1 << 5 + : 1 << 2); if (r == -ENOSPC) dev_info(adev->dev, "Not enough PCI address space for a large BAR."); base-commit: 73cd7ee85e788bc2541bfce2500e3587cf79f081 -- 2.39.5