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 1C1122EE60C; Tue, 17 Jun 2025 15:53:53 +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=1750175633; cv=none; b=CVdQ22syXn5QgxinH2qfjoRBxc8r8j5qTK/GHAEqfLGdBoZxF6AngLIbFBzUb4wNGM54dscDWMMOeuswEzIfDR9LPeSzQFVeY3mhqPLMaaRvxqdLWvD31yLqXOmf2nG+F1qqbLA5zyi3naCMjTwhYZxv1nWwLFoknLRVe/n7N5s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750175633; c=relaxed/simple; bh=0m2NXWCYyHmZiQQJKfEEbAse7iB8ulMXJEEngwtdRr8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TQUnAU+DovZdsPAgvn1cxg/OLf+42/KyBveVT/pCXcIe+pQZYQiX1sV3qQ932yLuIWTEjNPMz7FrtcwhpsJrgDxRk5xpFkL/4P9UjVZyZ3aMvn7x5K7tlO2yt0kFGjKTSVuhSU4vBlZVRH9UVJvxuHRRQ4KFJYacxUXzLQlqY+E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SG+6tYmZ; 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="SG+6tYmZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 81411C4CEF1; Tue, 17 Jun 2025 15:53:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750175633; bh=0m2NXWCYyHmZiQQJKfEEbAse7iB8ulMXJEEngwtdRr8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SG+6tYmZgolpD2tT/pOXabx1Qjvn5slRh5T6T/UtNP7GMXnEcu9EWFERfgMm9IMF9 0cnYegB5XtKmb8mb77q0U/M/5EO6zNhlSALJGZlvXPq9wRiFPfzMclxwm/zqEhBzah G6epBUkcicksoPaCjObnWGWkZ3QzWnKLzvljD88I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Liviu Dudau , Steven Price , Boris Brezillon , Sasha Levin Subject: [PATCH 6.15 108/780] drm/panthor: Update panthor_mmu::irq::mask when needed Date: Tue, 17 Jun 2025 17:16:56 +0200 Message-ID: <20250617152455.905480425@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152451.485330293@linuxfoundation.org> References: <20250617152451.485330293@linuxfoundation.org> User-Agent: quilt/0.68 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 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Boris Brezillon [ Upstream commit 8ba64cf2f358079d09faba7529aad2b0a46c7903 ] When we clear the faulty bits in the AS mask, we also need to update the panthor_mmu::irq::mask field otherwise our IRQ handler won't get called again until the GPU is reset. Changes in v2: - Add Liviu's R-b Changes in v3: - Add Steve's R-b Fixes: 647810ec2476 ("drm/panthor: Add the MMU/VM logical block") Reviewed-by: Liviu Dudau Reviewed-by: Steven Price Link: https://lore.kernel.org/r/20250404080933.2912674-4-boris.brezillon@collabora.com Signed-off-by: Boris Brezillon Signed-off-by: Sasha Levin --- drivers/gpu/drm/panthor/panthor_mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c index 12a02e28f50fd..7cca97d298ea1 100644 --- a/drivers/gpu/drm/panthor/panthor_mmu.c +++ b/drivers/gpu/drm/panthor/panthor_mmu.c @@ -781,6 +781,7 @@ int panthor_vm_active(struct panthor_vm *vm) if (ptdev->mmu->as.faulty_mask & panthor_mmu_as_fault_mask(ptdev, as)) { gpu_write(ptdev, MMU_INT_CLEAR, panthor_mmu_as_fault_mask(ptdev, as)); ptdev->mmu->as.faulty_mask &= ~panthor_mmu_as_fault_mask(ptdev, as); + ptdev->mmu->irq.mask |= panthor_mmu_as_fault_mask(ptdev, as); gpu_write(ptdev, MMU_INT_MASK, ~ptdev->mmu->as.faulty_mask); } -- 2.39.5