Michel DÃnzer wrote:
On Mon, 2005-03-14 at 18:05 -0500, Vladimir Dergachev wrote:
I am unsure of how to fix it though, as the call *is* needed, we should not be reading from registers with engine busy.
Something may be needed, but probably not a wait for idle (which may never succeed on an SMP system). Other things you could try:
* Keep track of the hardware state in the driver, so you don't have to read the registers all the time. * Read/write the registers via MM_INDEX/MM_DATA instead of directly.
I'm curious if either of this helps.
Well, I thought I'd also point out that this solves the lockups I was experiecing with the r300 driver, too :-)
Adam
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