From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + sm501-fixup-allocation-code-to-be-64bit-resource-compliant-sm501-align-panel-fb-to-page_size.patch added to -mm tree Date: Thu, 17 Jul 2008 15:20:23 -0700 Message-ID: <200807172220.m6HMKOAi009543@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:39280 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755732AbYGQWVd (ORCPT ); Thu, 17 Jul 2008 18:21:33 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: ben-linux@fluff.org The patch titled Subject: SM501: Align PANEL fb to PAGE_SIZE has been added to the -mm tree. Its filename is sm501-fixup-allocation-code-to-be-64bit-resource-compliant-sm501-align-panel-fb-to-page_size.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: Subject: SM501: Align PANEL fb to PAGE_SIZE From: Ben Dooks Some programs, such as anything linked with directfb get the drawing wrong if given an screen start which is not aligned to PAGE_SIZE. Change the allocator to always return an properly aligned address when asked for PANEL memory. Signed-off-by: Ben Dooks Index: linux-2.6.26-quilt1/drivers/video/sm501fb.c =================================================================== Signed-off-by: Andrew Morton --- drivers/video/sm501fb.c | 7 +++++++ 1 file changed, 7 insertions(+) diff -puN drivers/video/sm501fb.c~sm501-fixup-allocation-code-to-be-64bit-resource-compliant-sm501-align-panel-fb-to-page_size drivers/video/sm501fb.c --- a/drivers/video/sm501fb.c~sm501-fixup-allocation-code-to-be-64bit-resource-compliant-sm501-align-panel-fb-to-page_size +++ a/drivers/video/sm501fb.c @@ -162,6 +162,13 @@ static int sm501_alloc_mem(struct sm501f ptr = inf->fbmem_len - size; fbi = inf->fb[HEAD_CRT]; + /* round down, some programs such as directfb do not draw + * 0,0 correctly unless the start is aligned to a page start. + */ + + if (ptr > 0) + ptr &= ~(PAGE_SIZE - 1); + if (fbi && ptr < fbi->fix.smem_len) return -ENOMEM; _ Patches currently in -mm which might be from ben-linux@fluff.org are origin.patch linux-next.patch parport-fix-platform-driver-hotplug-coldplug.patch sm501-add-power-control-callback.patch sm501-add-gpiolib-support.patch sm501-gpio-dynamic-registration-for-pci-devices.patch sm501-gpio-i2c-support.patch sm501-fixes-for-akpms-comments-on-gpiolib-addition.patch mfd-sm501-build-fixes-when-config_mfd_sm501_gpio-unset.patch mfd-sm501-fix-gpio-number-calculation-for-upper-bank.patch sm501-add-inversion-controls-for-vbiasen-and-fpen.patch sm501-restructure-init-to-allow-only-1-fb-on-an-sm501.patch sm501-fixup-allocation-code-to-be-64bit-resource-compliant.patch sm501-fixup-allocation-code-to-be-64bit-resource-compliant-sm501-align-panel-fb-to-page_size.patch fb-add-support-for-the-ili9320-video-display-controller.patch fb-add-support-for-the-ili9320-video-display-controller-fix.patch lcd-add-lcd_device-to-check_fb-entry-in-lcd_ops.patch lcd-add-platform_lcd-driver.patch lcd-add-platform_lcd-driver-fix.patch lcd-add-platform_lcd-driver-fb-fix-platform_lcd-match-entry.patch