From: Stefan Wahren Date: Sat, 4 Mar 2017 09:43:51 +0000 (+0000) Subject: ARM: bcm2835: Enable missing CMA settings for VC4 driver X-Git-Tag: v4.12-rc1~55^2~11^2^2~1 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bdd3c25423cb42171446940bca0946e0443e1a84;p=karo-tx-linux.git ARM: bcm2835: Enable missing CMA settings for VC4 driver 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 --- diff --git a/arch/arm/configs/bcm2835_defconfig b/arch/arm/configs/bcm2835_defconfig index 4b89f4e6e849..d243a8664652 100644 --- 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