]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Re-enable GGTT earlier after GPU reset
authorChris Wilson <chris@chris-wilson.co.uk>
Sun, 17 Dec 2017 13:28:50 +0000 (13:28 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 18 Dec 2017 11:16:07 +0000 (11:16 +0000)
commitd3e8d634cfe8fa68a16dcce2df1dc7ab531f7121
treea83328828a391c76b73208f3e592f3a9ce251d01
parentd7392a40dc76e3fb9bb8915e488ca077ff920e8d
drm/i915: Re-enable GGTT earlier after GPU reset

Inside i915_gem_reset(), we start touching the HW and so require the
low-level HW to be re-enabled, in particular the PCI BARs.

Fixes: a778cdc10071 ("drm/i915: Restore the kernel context after a GPU reset on an idle engine")
References: 7ee1057527f1 ("drm/i915: Re-enable GTT following a device reset")
Testcase: igt/drv_hangman #i915g/i915gm
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171217132852.30642-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
drivers/gpu/drm/i915/i915_drv.c