From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ivaylo Dimitrov Date: Sat, 11 Jan 2014 13:28:08 +0000 Subject: Re: [PATCH 1/2] ARM: omapfb: add coherent dma memory support Message-Id: <52D146E8.4090105@gmail.com> List-Id: References: <1388409550-10720-1-git-send-email-tomi.valkeinen@ti.com> <1388409550-10720-2-git-send-email-tomi.valkeinen@ti.com> <20140107235951.GH5074@atomide.com> <52CD5D13.9090806@ti.com> <79CD15C6BA57404B839C016229A409A83EDB11F5@DBDE04.ent.ti.com> <52CE5123.9050702@gmail.com> <79CD15C6BA57404B839C016229A409A83EDB141E@DBDE04.ent.ti.com> In-Reply-To: <79CD15C6BA57404B839C016229A409A83EDB141E@DBDE04.ent.ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On 09.01.2014 10:08, Hiremath, Vaibhav wrote: > > No, that's what is causing issue to me. Can you try predefined address flow? > > Thanks, > Vaibhav > Booting Linux on physical CPU 0x0 Initializing cgroup subsys cpu Linux version 3.13.0-rc7+ (maemo@maemo-desktop) (gcc version 4.7.2 20120701 (prerelease) (Linaro GCC 4.7-2012.07) ) #24 PREEMPT Sat Jan 11 17:06:39 EET 2014 CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), crc53c7d CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache Machine: Nokia RX-51 board omapfb: reserved 0x00800000 bytes at 0x8f100000 Memory policy: Data cache writeback On node 0 totalpages: 61696 free_area_init_node: node 0, pgdat c05b73b4, node_mem_map c061b000 Normal zone: 512 pages used for memmap Normal zone: 0 pages reserved Normal zone: 61696 pages, LIFO batch:15 CPU: All CPU(s) started in SVC mode. OMAP3430/3530 ES3.1 (l2cache iva sgx neon isp ) pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 pcpu-alloc: [0] 0 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 61184 Kernel command line: init=/sbin/preinit ubi.mtd=rootfs root=ubi0:rootfs rootfstype=ubifs rootflags=bulk_read,no_chk_data_crc rw mtdoops.mtddev=log console=tty0 console=ttyO2 omapfb_vram=8M@0x8F100000 omapfb.mode=lcd:848x480-16 There are no (UNDERFLOW) errors on OMAP3 when predefined address is used, I am still able to play every video I try. Ivo