[Intel-gfx] [PATCH 1/6] drm/i915: Fix gen4 GPU reset
Chris Wilson
chris at chris-wilson.co.uk
Sat Nov 22 12:05:15 CET 2014
On Fri, Nov 21, 2014 at 09:54:25PM +0200, ville.syrjala at linux.intel.com wrote:
> + /* assert reset for at least 20 usec */
> + pci_write_config_byte(dev->pdev, I965_GDRST, GRDOM_RESET_ENABLE);
Is this an UC write or do we need to post?
> + udelay(20);
> pci_write_config_byte(dev->pdev, I965_GDRST, 0);
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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