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 7316514A81 for ; Mon, 23 Oct 2023 11:03:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="a1ayvOuu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E411FC433C8; Mon, 23 Oct 2023 11:03:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1698059032; bh=9Yr5tZACykYdbQVrGz7fi/EqVv6NHz49uZ0P5/UVSfo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a1ayvOuuX9Rfc8FnQPQeO2pBp12kZb2Uuq8OED/hJLXDQ++5jY5/Bzi8NBFa/atix NU9eS4gQpPY+kGQiGOAvcUf3PTf0cvy37IVcREe3OPkKCrNqcMsVRPo0y6v9033heY qZ5/iMfkEeYN9Q1rtmaYGzKy2ydZ3eMM+Y22dpo0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lyude Paul , Karol Herbst Subject: [PATCH 6.5 041/241] drm/nouveau/disp: fix DP capable DSM connectors Date: Mon, 23 Oct 2023 12:53:47 +0200 Message-ID: <20231023104834.920370527@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231023104833.832874523@linuxfoundation.org> References: <20231023104833.832874523@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 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Karol Herbst commit 4366faf43308bd91c59a20c43a9f853a9c3bb6e4 upstream. Just special case DP DSM connectors until we properly figure out how to deal with this. This resolves user regressions on GPUs with such connectors without reverting the original fix. Cc: Lyude Paul Cc: stable@vger.kernel.org # 6.4+ Closes: https://gitlab.freedesktop.org/drm/nouveau/-/issues/255 Fixes: 2b5d1c29f6c4 ("drm/nouveau/disp: PIOR DP uses GPIO for HPD, not PMGR AUX interrupts") Signed-off-by: Karol Herbst Reviewed-by: Lyude Paul Link: https://patchwork.freedesktop.org/patch/msgid/20231011114134.861818-1-kherbst@redhat.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c index 46b057fe1412..3249e5c1c893 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c @@ -62,6 +62,18 @@ nvkm_uconn_uevent_gpio(struct nvkm_object *object, u64 token, u32 bits) return object->client->event(token, &args, sizeof(args.v0)); } +static bool +nvkm_connector_is_dp_dms(u8 type) +{ + switch (type) { + case DCB_CONNECTOR_DMS59_DP0: + case DCB_CONNECTOR_DMS59_DP1: + return true; + default: + return false; + } +} + static int nvkm_uconn_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent) { @@ -101,7 +113,7 @@ nvkm_uconn_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_ if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_GPIO_LO; if (args->v0.types & NVIF_CONN_EVENT_V0_IRQ) { /* TODO: support DP IRQ on ANX9805 and remove this hack. */ - if (!outp->info.location) + if (!outp->info.location && !nvkm_connector_is_dp_dms(conn->info.type)) return -EINVAL; } -- 2.42.0