From patchwork Wed Nov 27 16:31:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 11264429 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A805714ED for ; Wed, 27 Nov 2019 16:32:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8FD392075C for ; Wed, 27 Nov 2019 16:32:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8FD392075C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7739F89309; Wed, 27 Nov 2019 16:32:40 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3E572892D8; Wed, 27 Nov 2019 16:32:38 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Nov 2019 08:32:37 -0800 X-IronPort-AV: E=Sophos;i="5.69,250,1571727600"; d="scan'208";a="203126079" Received: from jnikula-mobl3.fi.intel.com (HELO localhost) ([10.237.66.161]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Nov 2019 08:32:35 -0800 From: Jani Nikula To: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 00/13] video, drm: constify fbops in struct fb_info Date: Wed, 27 Nov 2019 18:31:56 +0200 Message-Id: X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" So I wanted to quickly move our struct fb_ops to const data because we don't modify it... and this series is where the rabbit hole ends. Ugh. The main pain point is deferred IO, which is covered in patch 1. Everything gets easier after that. The last 5 could be merged at leisure. BR, Jani. Jani Nikula (13): video: fb_defio: preserve user fb_ops drm/fb-helper: don't preserve fb_ops across deferred IO use video: smscufx: don't restore fb_mmap after deferred IO cleanup video: udlfb: don't restore fb_mmap after deferred IO cleanup video: fbdev: vesafb: modify the static fb_ops directly video: fbmem: use const pointer for fb_ops video: omapfb: use const pointer for fb_ops video: fbdev: make fbops member of struct fb_info a const pointer drm: constify fb ops across all drivers video: constify fb ops across all drivers HID: picoLCD: constify fb ops media: constify fb ops across all drivers samples: vfio-mdev: constify fb ops drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 2 +- drivers/gpu/drm/armada/armada_fbdev.c | 2 +- drivers/gpu/drm/drm_fb_helper.c | 20 +++------------ drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 +- .../gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c | 2 +- drivers/gpu/drm/i915/display/intel_fbdev.c | 2 +- drivers/gpu/drm/msm/msm_fbdev.c | 2 +- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 4 +-- drivers/gpu/drm/omapdrm/omap_fbdev.c | 2 +- drivers/gpu/drm/radeon/radeon_fb.c | 2 +- drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c | 2 +- drivers/gpu/drm/tegra/fb.c | 2 +- drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 2 +- drivers/hid/hid-picolcd_fb.c | 3 +-- drivers/media/pci/ivtv/ivtvfb.c | 3 +-- drivers/media/platform/vivid/vivid-osd.c | 1 - drivers/video/fbdev/68328fb.c | 2 +- drivers/video/fbdev/acornfb.c | 2 +- drivers/video/fbdev/amba-clcd.c | 2 +- drivers/video/fbdev/amifb.c | 2 +- drivers/video/fbdev/arcfb.c | 2 +- drivers/video/fbdev/arkfb.c | 2 +- drivers/video/fbdev/asiliantfb.c | 2 +- drivers/video/fbdev/atmel_lcdfb.c | 2 +- drivers/video/fbdev/aty/aty128fb.c | 2 +- drivers/video/fbdev/aty/atyfb_base.c | 2 +- drivers/video/fbdev/aty/radeon_base.c | 2 +- drivers/video/fbdev/au1100fb.c | 2 +- drivers/video/fbdev/au1200fb.c | 2 +- drivers/video/fbdev/broadsheetfb.c | 2 +- drivers/video/fbdev/bw2.c | 2 +- drivers/video/fbdev/carminefb.c | 2 +- drivers/video/fbdev/cg14.c | 2 +- drivers/video/fbdev/cg3.c | 2 +- drivers/video/fbdev/cg6.c | 2 +- drivers/video/fbdev/chipsfb.c | 2 +- drivers/video/fbdev/cirrusfb.c | 2 +- drivers/video/fbdev/clps711x-fb.c | 2 +- drivers/video/fbdev/cobalt_lcdfb.c | 2 +- drivers/video/fbdev/controlfb.c | 2 +- drivers/video/fbdev/core/fb_defio.c | 25 ++++++++++++++++--- drivers/video/fbdev/core/fbmem.c | 6 ++--- drivers/video/fbdev/cyber2000fb.c | 2 +- drivers/video/fbdev/da8xx-fb.c | 2 +- drivers/video/fbdev/dnfb.c | 2 +- drivers/video/fbdev/efifb.c | 2 +- drivers/video/fbdev/ep93xx-fb.c | 2 +- drivers/video/fbdev/fb-puv3.c | 2 +- drivers/video/fbdev/ffb.c | 2 +- drivers/video/fbdev/fm2fb.c | 2 +- drivers/video/fbdev/fsl-diu-fb.c | 2 +- drivers/video/fbdev/g364fb.c | 2 +- drivers/video/fbdev/gbefb.c | 2 +- drivers/video/fbdev/geode/gx1fb_core.c | 2 +- drivers/video/fbdev/geode/gxfb_core.c | 2 +- drivers/video/fbdev/geode/lxfb_core.c | 2 +- drivers/video/fbdev/goldfishfb.c | 2 +- drivers/video/fbdev/grvga.c | 2 +- drivers/video/fbdev/gxt4500.c | 2 +- drivers/video/fbdev/hecubafb.c | 2 +- drivers/video/fbdev/hgafb.c | 2 +- drivers/video/fbdev/hitfb.c | 2 +- drivers/video/fbdev/hpfb.c | 2 +- drivers/video/fbdev/hyperv_fb.c | 2 +- drivers/video/fbdev/i740fb.c | 2 +- drivers/video/fbdev/imsttfb.c | 2 +- drivers/video/fbdev/imxfb.c | 2 +- drivers/video/fbdev/intelfb/intelfbdrv.c | 2 +- drivers/video/fbdev/kyro/fbdev.c | 2 +- drivers/video/fbdev/leo.c | 2 +- drivers/video/fbdev/macfb.c | 2 +- drivers/video/fbdev/matrox/matroxfb_crtc2.c | 2 +- drivers/video/fbdev/maxinefb.c | 2 +- drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 2 +- drivers/video/fbdev/mbx/mbxfb.c | 2 +- drivers/video/fbdev/metronomefb.c | 2 +- drivers/video/fbdev/mmp/fb/mmpfb.c | 2 +- drivers/video/fbdev/mx3fb.c | 5 ++-- drivers/video/fbdev/neofb.c | 2 +- drivers/video/fbdev/nvidia/nvidia.c | 2 +- drivers/video/fbdev/ocfb.c | 2 +- drivers/video/fbdev/offb.c | 2 +- drivers/video/fbdev/omap/omapfb_main.c | 2 +- .../video/fbdev/omap2/omapfb/omapfb-main.c | 2 +- drivers/video/fbdev/p9100.c | 2 +- drivers/video/fbdev/platinumfb.c | 2 +- drivers/video/fbdev/pm2fb.c | 2 +- drivers/video/fbdev/pm3fb.c | 2 +- drivers/video/fbdev/pmag-aa-fb.c | 2 +- drivers/video/fbdev/pmag-ba-fb.c | 2 +- drivers/video/fbdev/pmagb-b-fb.c | 2 +- drivers/video/fbdev/ps3fb.c | 2 +- drivers/video/fbdev/pvr2fb.c | 2 +- drivers/video/fbdev/pxa168fb.c | 2 +- drivers/video/fbdev/pxafb.c | 4 +-- drivers/video/fbdev/q40fb.c | 2 +- drivers/video/fbdev/riva/fbdev.c | 2 +- drivers/video/fbdev/s3c-fb.c | 2 +- drivers/video/fbdev/s3c2410fb.c | 2 +- drivers/video/fbdev/s3fb.c | 2 +- drivers/video/fbdev/sa1100fb.c | 2 +- drivers/video/fbdev/savage/savagefb_driver.c | 2 +- drivers/video/fbdev/sh7760fb.c | 2 +- drivers/video/fbdev/sh_mobile_lcdcfb.c | 4 +-- drivers/video/fbdev/simplefb.c | 2 +- drivers/video/fbdev/sis/sis_main.c | 2 +- drivers/video/fbdev/skeletonfb.c | 2 +- drivers/video/fbdev/sm712fb.c | 2 +- drivers/video/fbdev/smscufx.c | 1 - drivers/video/fbdev/ssd1307fb.c | 2 +- drivers/video/fbdev/sstfb.c | 2 +- drivers/video/fbdev/stifb.c | 2 +- drivers/video/fbdev/sunxvr1000.c | 2 +- drivers/video/fbdev/sunxvr2500.c | 2 +- drivers/video/fbdev/sunxvr500.c | 2 +- drivers/video/fbdev/tcx.c | 2 +- drivers/video/fbdev/tdfxfb.c | 2 +- drivers/video/fbdev/tgafb.c | 2 +- drivers/video/fbdev/tmiofb.c | 2 +- drivers/video/fbdev/tridentfb.c | 2 +- drivers/video/fbdev/udlfb.c | 1 - drivers/video/fbdev/uvesafb.c | 2 +- drivers/video/fbdev/valkyriefb.c | 2 +- drivers/video/fbdev/vesafb.c | 6 ++--- drivers/video/fbdev/vfb.c | 2 +- drivers/video/fbdev/vga16fb.c | 2 +- drivers/video/fbdev/vt8500lcdfb.c | 2 +- drivers/video/fbdev/vt8623fb.c | 2 +- drivers/video/fbdev/w100fb.c | 2 +- drivers/video/fbdev/wm8505fb.c | 2 +- drivers/video/fbdev/xen-fbfront.c | 2 +- drivers/video/fbdev/xilinxfb.c | 2 +- include/linux/fb.h | 5 ++-- samples/vfio-mdev/mdpy-fb.c | 2 +- 134 files changed, 165 insertions(+), 163 deletions(-)