From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49B85C46475 for ; Thu, 25 Oct 2018 16:26:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1452320834 for ; Thu, 25 Oct 2018 16:26:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1452320834 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=anholt.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727750AbeJZBAH (ORCPT ); Thu, 25 Oct 2018 21:00:07 -0400 Received: from anholt.net ([50.246.234.109]:33146 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727411AbeJZBAH (ORCPT ); Thu, 25 Oct 2018 21:00:07 -0400 Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 8D60510A12E8; Thu, 25 Oct 2018 09:26:37 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id GCgBB5lDSKhn; Thu, 25 Oct 2018 09:26:36 -0700 (PDT) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 5BD3310A0F99; Thu, 25 Oct 2018 09:26:36 -0700 (PDT) Received: by eliezer.anholt.net (Postfix, from userid 1000) id E3EA82FE1BF0; Thu, 25 Oct 2018 09:26:35 -0700 (PDT) From: Eric Anholt To: dri-devel@lists.freedesktop.org, =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= Cc: linux-kernel@vger.kernel.org, Eric Anholt Subject: [PATCH] drm/tinydrm: Advertise that we can do only DRM_FORMAT_MOD_LINEAR. Date: Thu, 25 Oct 2018 09:26:35 -0700 Message-Id: <20181025162635.6689-1-eric@anholt.net> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Without this, the xserver relies on what the 3D driver exposes and assumes that the display can handle it, and then the DRM driver happily tries to scan out a tiled format. Signed-off-by: Eric Anholt --- drivers/gpu/drm/drm_simple_kms_helper.c | 8 ++++++++ drivers/gpu/drm/tinydrm/core/tinydrm-core.c | 1 + drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c | 6 +++++- 3 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c index 51fa978f0d23..917812448d1b 100644 --- a/drivers/gpu/drm/drm_simple_kms_helper.c +++ b/drivers/gpu/drm/drm_simple_kms_helper.c @@ -190,6 +190,13 @@ static void drm_simple_kms_plane_cleanup_fb(struct drm_plane *plane, pipe->funcs->cleanup_fb(pipe, state); } +static bool drm_simple_kms_format_mod_supported(struct drm_plane *plane, + uint32_t format, + uint64_t modifier) +{ + return modifier == DRM_FORMAT_MOD_LINEAR; +} + static const struct drm_plane_helper_funcs drm_simple_kms_plane_helper_funcs = { .prepare_fb = drm_simple_kms_plane_prepare_fb, .cleanup_fb = drm_simple_kms_plane_cleanup_fb, @@ -204,6 +211,7 @@ static const struct drm_plane_funcs drm_simple_kms_plane_funcs = { .reset = drm_atomic_helper_plane_reset, .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + .format_mod_supported = drm_simple_kms_format_mod_supported, }; /** diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c index 255341ee4eb9..9af51d982a33 100644 --- a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c @@ -146,6 +146,7 @@ static int tinydrm_init(struct device *parent, struct tinydrm_device *tdev, drm->dev_private = tdev; drm_mode_config_init(drm); drm->mode_config.funcs = &tinydrm_mode_config_funcs; + drm->mode_config.allow_fb_modifiers = true; return 0; } diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c index 7e8e24d0b7a7..eacfc0ec8ff1 100644 --- a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c +++ b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c @@ -184,6 +184,10 @@ tinydrm_display_pipe_init(struct tinydrm_device *tdev, struct drm_display_mode mode_copy; struct drm_connector *connector; int ret; + static const uint64_t modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID + }; drm_mode_copy(&mode_copy, mode); ret = tinydrm_rotate_mode(&mode_copy, rotation); @@ -202,6 +206,6 @@ tinydrm_display_pipe_init(struct tinydrm_device *tdev, return PTR_ERR(connector); return drm_simple_display_pipe_init(drm, &tdev->pipe, funcs, formats, - format_count, NULL, connector); + format_count, modifiers, connector); } EXPORT_SYMBOL(tinydrm_display_pipe_init); -- 2.19.1