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 D9100151CCC; Tue, 20 Feb 2024 21:37:11 +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=1708465031; cv=none; b=YJNYfMKu6ls4SnID3fUDF9wivwEXVfw9lFPqp3rN826S0K3HRgFJryhEE2THPn6Ik/PHhqg6arUcQI0g6QN5fNtN2Laa/qH0gsqPmhL6vfaEgvBHQ4lPnaMolmtX0AOXFELj4o3bbxg8eoVJ3CbCp3uO5hGZngZkuQ5OPUKLk2c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708465031; c=relaxed/simple; bh=8fz9PzWYZSBklPQD4ncFTgkXvLCgrEFqHLoNNAK98NQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jiwCwlOJmsriY/dr5MRrpAirKCaScOkTemxI9tT/j96MTBfKqPSa2J6sv2h9yOatiKBV4ypL3mC3TG1YfWLLthwbV6wxs3ylTrBCWd3jJCk3LLHzqlpEarvrZ+WSxC1nEjKlVwgRONe1d02UHKaW6eL5XRPpx8WMkBzcqpNiz4w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=XYN4MZ7e; 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="XYN4MZ7e" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AF73C433F1; Tue, 20 Feb 2024 21:37:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708465031; bh=8fz9PzWYZSBklPQD4ncFTgkXvLCgrEFqHLoNNAK98NQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XYN4MZ7eYPR5lz6/QsRo3Mn1Vxe+sHOye7OyAFch6WopHxZw2wn34r9gyhcwFjKiF fZvw53PnzaggwwEIcpGYwL8wX04Uf6rDOOyfxeSrtWAVsEF1t3F9mv8/qdvKh74HrF ZSVKm3rG3DyqE5QW/jw08cxrfrcAmHlxuMRf2eNA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lijo Lazar , Hawking Zhang , Alex Deucher Subject: [PATCH 6.7 214/309] drm/amdgpu: Avoid fetching VRAM vendor info Date: Tue, 20 Feb 2024 21:56:13 +0100 Message-ID: <20240220205639.869178227@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240220205633.096363225@linuxfoundation.org> References: <20240220205633.096363225@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.7-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lijo Lazar commit 55173942a63668bdc1d61812c7c9e0406aefb5bf upstream. The present way to fetch VRAM vendor information turns out to be not reliable on GFX 9.4.3 dGPUs as well. Avoid using the data. Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 -------- 1 file changed, 8 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1947,14 +1947,6 @@ static int gmc_v9_0_init_mem_ranges(stru static void gmc_v9_4_3_init_vram_info(struct amdgpu_device *adev) { - static const u32 regBIF_BIOS_SCRATCH_4 = 0x50; - u32 vram_info; - - /* Only for dGPU, vendor informaton is reliable */ - if (!amdgpu_sriov_vf(adev) && !(adev->flags & AMD_IS_APU)) { - vram_info = RREG32(regBIF_BIOS_SCRATCH_4); - adev->gmc.vram_vendor = vram_info & 0xF; - } adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM; adev->gmc.vram_width = 128 * 64; }