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[[Category:OtherOS]]
=Introduction=
=Introduction=


* You can stop reading here if you think DRM has something common with games or piracy :)
* We really need a proper GPU DRM driver for PS3.
* We really need a proper GPU DRM driver for PS3.
* The problem is that Linux kernel DRM framework is very complex and not well documented.
=Linux Kernel DRM Framework=
==KMS==
* CRTC -> Encoder -> Connector
* PS3 has 2 connectors: HDMI and AV multi
* Use PS3 AV Manager to set resolution
* '''ps3av_cmd_video_get_monitor_info''' can be used to get current supported resolutions
* It seems that head A is connected to HDMI connector.
==TTM==
* Manages memory: video memory, GART memory and system memory.
* Nouveau DRM driver e.g. manages video memory globally per device. We cannot do it because each context has its own video memory.
=Milestones=
# Create initial driver infrastructure (work in progress)
# Implement unaccelerated framebuffer console
# Add hardware acceleration to framebuffer console
# Implement IOCTLs for user-space applications
# Add PS3 GPU DRM support to libdrm and implement tests for it
# Implement X11 driver for PS3 GPU DRM
# Port some 3D open-source game to PS3 GPU DRM, e.g. quake or doom


=Links=
=Links=
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==DRM Kernel-Space==
==DRM Kernel-Space==
* http://www.ideasonboard.org/media/drm/
* http://lxr.free-electrons.com/source/drivers/gpu/drm/nouveau/
* http://lxr.free-electrons.com/source/drivers/gpu/drm/cirrus/
* http://lxr.free-electrons.com/source/drivers/gpu/drm/mgag200/
* http://lxr.free-electrons.com/source/drivers/staging/omapdrm/
* http://git.kernel.org/?p=linux/kernel/git/mattst88/glint.git;a=tree;f=drivers/gpu/drm/glint
* http://www.x.org/wiki/ttm
* http://lists.freedesktop.org/archives/dri-devel/2010-April/000183.html
* http://www.mail-archive.com/[email protected]/msg50049.html
* http://permalink.gmane.org/gmane.comp.video.dri.devel/47889
==PS3 Kernel Drivers==
* http://lxr.free-electrons.com/source/arch/powerpc/include/asm/ps3av.h
* http://lxr.free-electrons.com/source/drivers/ps3/ps3av.c
* http://lxr.free-electrons.com/source/drivers/video/ps3fb.c
{{Linux}}<noinclude>[[Category:Main]]</noinclude>
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