I'm attempting to fix pageflipping in certain mergedfb modes. right
now it only works in when crtc2 is right of crtc1. I suspect the
problem has to do with the CRTC offsets that are set in
RADEONDoAdjustFrame()
for instance if I have crtc2 left of or above crtc1, I would need to
adjust RADEON_CRTC_OFFSET by something like (crtc2_mode->CrtcHDisplay *
crtc2_mode->CrtcVDisplay) right? and for clone mode, I'd have to
adjust the offsets depending on the modes of each head. is my thinking
right here? or does it work differently?
Also, looking at radeon_dri.c, RADEONDRIFinishScreenInit() could we cap
the 3D engine to 2048x2048 my adjusting the values of pRADEONDRI->width
and pRADEONDRI->height? something like:
if (pScrn->virtualX > 2048)
pRADEONDRI->width = 2048;
else
pRADEONDRI->width = pScrn->virtualX;
if (pScrn->virtualY > 2048)
pRADEONDRI->width = 2048;
else
pRADEONDRI->width = pScrn->virtualY;
Thanks,
Alex
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