On Wed, 05 Jan 2005 14:35:30 +0000, Keith Whitwell <[EMAIL PROTECTED]> wrote: > Alex Deucher wrote: > > Ok, so last night I think I figured out why pageflipping was borked > > with mergedfb. Unfortunately the fix requires changes to the drm and > > sarea. I'm wondering what the best way to do this is and maintain > > compatability. When crtc1 is at offset 0 pageflipping should work > > with a simple patch to radeon_driver.c::RadeonDoAdjustframe(). the > > backbuffer offset was being added to the base address after the > > crtc2_base info was updated in the sarea. That's an easy fix. For > > situations where crtc2 is at offset 0 and crtc1 is at a higher offset, > > changes to the drm and sarea are required. I think the easiest > > solution would be to add a crtc1_base to the sarea and update that in > > RadeonDoAdjustframe() just like crtc2_base. The problem is that in > > the drm in radeon_state.c::radeon_cp_dispatch_flip() the offset of > > crtc1 is calculated from the sarea frame info which could be crtc1 or > > crtc2 depending on their orientation. It should really be calcluated > > in RadeonDoAdjustframe() just like crtc2 base. So how to I do it in a > > compatible way? > > > > Thanks, > > > > Alex, > > It might be easer to understand the issues if you post a non-compatible > version of the fix, so that there's something concrete to talk about. >
I'll post a patch later today. Thanks, Alex > Keith > ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
