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 C17C360269; Tue, 23 Jan 2024 00:46:19 +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=1705970779; cv=none; b=nEpNOT88mT2Ny4JiQTxNo9vO1v9nvi90JXT5utcMxK7kkNyDMPea125tutolqGO7Iwn+uUCMA06ABWco03KzOZuEUOo+a+RKA6pnp0LF/Ah5Kt4ZqN145kkMN4uEw5ejdPn4vlG7PEzcjG4ElAlIiWvUsVWWbd/embElmKoeTzY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970779; c=relaxed/simple; bh=CeAeoLEWyiZ0zPO7Ce89W5VH9dDVAD4E+sgE0xt+wnE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WCqYBzlqHrudYr/oilYqJbUmdVdtVPCRoyH3qOee/f1IFgh4PhQClIwaH0TUCMS9/KxBUEI0ZWUHJkCHxQ23gtUDSYa5DaPqIm5oFRyxvm+hSyMuOqL4mQAB4/X7RuILr11RO7ZRbt3YGCO1uOJNTqi6deuuGN/PkHo0Bu2/+F0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=x1jWmWdl; 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="x1jWmWdl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C911C433C7; Tue, 23 Jan 2024 00:46:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705970779; bh=CeAeoLEWyiZ0zPO7Ce89W5VH9dDVAD4E+sgE0xt+wnE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=x1jWmWdlBl3Fg5ehJLjL6kx10kyMEEJ6nwIqrYe244ZMxaA2zQsenp5+1h1rYMiSk uiaky1c6Xtxh/bocZtuLCFoJjyp5HgUb0Hz0e9IoUUTvHbsl16hhoWq+5nh8y4Mhn4 zHSuWqKEgX6aCfWFtzUa/mPjix7E9ROx2h7+CSfM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dave Airlie , Danilo Krummrich , Sasha Levin Subject: [PATCH 5.10 015/286] nouveau/tu102: flush all pdbs on vmm flush Date: Mon, 22 Jan 2024 15:55:21 -0800 Message-ID: <20240122235732.607133352@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235732.009174833@linuxfoundation.org> References: <20240122235732.009174833@linuxfoundation.org> User-Agent: quilt/0.67 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-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dave Airlie [ Upstream commit cb9c919364653eeafb49e7ff5cd32f1ad64063ac ] This is a hack around a bug exposed with the GSP code, I'm not sure what is happening exactly, but it appears some of our flushes don't result in proper tlb invalidation for out BAR2 and we get a BAR2 fault from GSP and it all dies. Signed-off-by: Dave Airlie Signed-off-by: Danilo Krummrich Link: https://patchwork.freedesktop.org/patch/msgid/20231130010852.4034774-1-airlied@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c index b1294d0076c0..72449bf613bf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c @@ -32,7 +32,7 @@ tu102_vmm_flush(struct nvkm_vmm *vmm, int depth) type |= 0x00000001; /* PAGE_ALL */ if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR])) - type |= 0x00000004; /* HUB_ONLY */ + type |= 0x00000006; /* HUB_ONLY | ALL PDB (hack) */ mutex_lock(&subdev->mutex); -- 2.43.0