Stride of 800x600 framebuffer

[Dave Airlie]

> I am very new to DRM and radeon driver, There are many concepts of Linux
> graphic system I haven't acquired.I am looking help for a question about drm
> framebuffer, it might be very simple to you. Why is stride of 800x600
> framebuffer is 832*4=3328? Actually the number of pitch 832 is derive from

The hardware has certain limitations you have to confrom to, this is
one of them,

the framebuffer is most likely tiled, so has alignment requirements
for the tiles.

Dave.