Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752625AbcDTPgF (ORCPT ); Wed, 20 Apr 2016 11:36:05 -0400 Received: from asav22.altibox.net ([109.247.116.9]:39403 "EHLO asav22.altibox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752240AbcDTPfw (ORCPT ); Wed, 20 Apr 2016 11:35:52 -0400 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Cc: daniel@ffwll.ch, laurent.pinchart@ideasonboard.com, tomi.valkeinen@ti.com, linux-kernel@vger.kernel.org, =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= Subject: [PATCH 0/8] drm: Add fbdev deferred io support to helpers Date: Wed, 20 Apr 2016 17:25:21 +0200 Message-Id: <1461165929-11344-1-git-send-email-noralf@tronnes.org> X-Mailer: git-send-email 2.2.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CMAE-Score: 0 X-CMAE-Analysis: v=2.1 cv=H7l7u7si c=1 sm=1 tr=0 a=gFHx44SYZz5JQKQKbGEAEQ==:117 a=gFHx44SYZz5JQKQKbGEAEQ==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=IkcTkHD0fZMA:10 a=c2n83ClsmUJcO6zHlucA:9 a=QEXdDO2ut3YA:10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2220 Lines: 51 This patchset adds fbdev deferred io support to drm_fb_helper and drm_fb_cma_helper. It defers fbdev mmap and fb_{write,fillrect,copyarea,imageblit} damage and channels it through the (struct drm_framebuffer_funcs)->dirty callback on the fb_helper framebuffer which will always run in process context. I have also added patches that converts qxl and udl to use this deferred io support. I have only compile tested it, no functional testing. I know that qxl is purely a software thing so I could actually test it, but I have never used qemu so I'm not keen on spending a lot of time on that. This was originally part of the tinydrm patchset. Changes since RFC: - Fix drm_clip_rect use to be exclusive on x2/y2 - Put drm_clip_rect functions in drm_rect.{h,c} - Take into account that (struct fb_ops *)->fb_{write,...}() can be called from atomic context (spin_lock_irqsave) - Export fb_deferred_io_mmap() - Add some more documentation - Add qxl and udl patches Noralf Trønnes (8): drm/rect: Add some drm_clip_rect utility functions drm/udl: Change drm_fb_helper_sys_*() calls to sys_*() drm/qxl: Change drm_fb_helper_sys_*() calls to sys_*() drm/fb-helper: Add fb_deferred_io support fbdev: fb_defio: Export fb_deferred_io_mmap drm/fb-cma-helper: Add fb_deferred_io support drm/qxl: Use drm_fb_helper deferred_io support drm/udl: Use drm_fb_helper deferred_io support drivers/gpu/drm/drm_fb_cma_helper.c | 190 +++++++++++++++++++++++++++++-- drivers/gpu/drm/drm_fb_helper.c | 119 ++++++++++++++++++- drivers/gpu/drm/drm_rect.c | 67 +++++++++++ drivers/gpu/drm/qxl/qxl_display.c | 9 +- drivers/gpu/drm/qxl/qxl_drv.h | 7 +- drivers/gpu/drm/qxl/qxl_fb.c | 220 +++++++++--------------------------- drivers/gpu/drm/qxl/qxl_kms.c | 4 - drivers/gpu/drm/udl/udl_drv.h | 2 - drivers/gpu/drm/udl/udl_fb.c | 152 ++----------------------- drivers/video/fbdev/core/fb_defio.c | 3 +- include/drm/drm_fb_cma_helper.h | 14 +++ include/drm/drm_fb_helper.h | 15 +++ include/drm/drm_rect.h | 69 +++++++++++ include/linux/fb.h | 1 + 14 files changed, 538 insertions(+), 334 deletions(-) -- 2.2.2