Date: Mon, 27 Oct 2014 17:28:37 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-arm@FreeBSD.org Subject: [Bug 194635] New: Speed optimisation for framebuffer console driver on Raspberry Pi Message-ID: <bug-194635-7@https.bugs.freebsd.org/bugzilla/>
next in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194635 Bug ID: 194635 Summary: Speed optimisation for framebuffer console driver on Raspberry Pi Product: Base System Version: 10.0-RELEASE Hardware: arm OS: Any Status: Needs Triage Severity: Affects Only Me Priority: --- Component: arm Assignee: freebsd-arm@FreeBSD.org Reporter: stefan.berndt@imoriath.com Created attachment 148707 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=148707&action=edit changes on /sys/arm/broadcom/bcm2835/bcm2835_fb.c Hi, I have done some speed optimisations on the Raspberry Pi's console driver. Please give this to the Raspberry Pi developers. Benchmarks (time taken to print and sroll 1 milion lines at 1440x900) : --Original FreeBSD driver-- 16 Bit per Pixel: 660 Secends 24 Bit per Pixel: 817 Secends 32 Bit per Pixel: 1086 Secends --My modifications-- 16 Bit per Pixel: 319 Secends 24 Bit per Pixel: 648 Secends 32 Bit per Pixel: 336 Secends I have tested (working) this resolutions, all BpP each : 640x480, 800x600, 1024x768, 1440x900 This is my first work on FreeBSD kernel, and i hope to fit all reqirements. Greetings Stefan Berndt -- You are receiving this mail because: You are the assignee for the bug.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-194635-7>