From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:47168 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S969384AbeCSST0 (ORCPT ); Mon, 19 Mar 2018 14:19:26 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Wahren , Eric Anholt , Sasha Levin Subject: [PATCH 4.9 036/241] ARM: bcm2835: Enable missing CMA settings for VC4 driver Date: Mon, 19 Mar 2018 19:05:01 +0100 Message-Id: <20180319180752.673588665@linuxfoundation.org> In-Reply-To: <20180319180751.172155436@linuxfoundation.org> References: <20180319180751.172155436@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stefan Wahren [ Upstream commit bdd3c25423cb42171446940bca0946e0443e1a84 ] Currently bcm2835_defconfig has CMA disabled which makes the HDMI output on a Raspberry Pi 1 stop working during boot: fb: switching to vc4drmfb from simple Console: switching to colour dummy device 80x30 [drm] Initialized vc4 0.0.0 20140616 for soc:gpu on minor 0 [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] Driver supports precise vblank timestamp query. vc4-drm soc:gpu: failed to allocate buffer with size 9216000 vc4-drm soc:gpu: Failed to set initial hw configuration. So enable CMA and DMA_CMA in bcm2835_defconfig. Signed-off-by: Stefan Wahren Fixes: 4400d9ac05ee ("ARM: bcm2835: Enable the VC4 graphics driver in the defconfig") Reviewed-by: Eric Anholt Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- arch/arm/configs/bcm2835_defconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/arm/configs/bcm2835_defconfig +++ b/arch/arm/configs/bcm2835_defconfig @@ -1,6 +1,5 @@ # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y -CONFIG_FHANDLE=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BSD_PROCESS_ACCT=y @@ -32,6 +31,7 @@ CONFIG_PREEMPT_VOLUNTARY=y CONFIG_AEABI=y CONFIG_KSM=y CONFIG_CLEANCACHE=y +CONFIG_CMA=y CONFIG_SECCOMP=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y @@ -52,6 +52,7 @@ CONFIG_MAC80211=y CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y # CONFIG_STANDALONE is not set +CONFIG_DMA_CMA=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_CONSTANTS=y @@ -62,7 +63,6 @@ CONFIG_USB_NET_SMSC95XX=y CONFIG_ZD1211RW=y CONFIG_INPUT_EVDEV=y # CONFIG_LEGACY_PTYS is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_TTY_PRINTK=y