On Wed, Jan 13, 2010 at 2:48 PM, James Simmons <jsimm...@infradead.org> wrote: > >> > > On 01/07/2010 12:42 AM, Johan Hovold wrote: >> > > >> Yeap. The fix uncovered a bug in your driver. I haven't heard of >> > > >> problems with the other drm drivers. >> > > >> >> > > >>> The backlight is handled via the DRI driver I assume. At least >> > > >>> i9xx_crtc_dpms is called on powerdown. >> > > >> >> > > >> Can you post your dmesg and kernel config. >> > > >> > > [snip] >> > > >> > > Adding the Intel DRM people in CC as well. I have the same issue >> > > with my GM45. >> > >> > Okay I looked at the code to figure out what is happening and why >> > only this driver has problems. The problem is that the framebuffer >> > layer expects the backlight to be a seperate device. The reason being >> > is that some embedded systems will use a gpio backlight. That way >> > power management for a graphics card/backlight has 3 seperate states. >> > Currently the intel DRM driver treats the backlight as being apart of >> > the encoder. Jesse do you have objections to having the intel driver >> > expose a backlight device. The bonus of that is the user can also set >> > the backlight levels. >> >> On Intel we usually expect the backlight to be exposed by ACPI or a >> platform driver. On recent platforms, the ACPI driver will actually >> send requests to the gfx driver to do the actual register writes to >> adjust the backlight, but it's still ACPI driven. >> >> Maybe we just need to wire up the fb backlight hooks appropriately? > > Yeap. I can have patch ready for you this weekend. I lack the hardware to > test it tho. Never been able to find a intel pci card that is not built > into the motherboard.
They don't exist, other than the old i740s. Alex ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
