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| author | Alex Dai <yu.dai@intel.com> | 2015-09-22 13:48:40 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-30 10:20:00 +0200 |
| commit | 0d44d3fa2b9089b0039118351773d465204ad581 (patch) | |
| tree | 2e0b3c9603ede9f864b008e6cfd6d2e575242a80 /drivers/gpu/drm/i915/i915_gem_fence.c | |
| parent | 124abe076fd8b360dd7c651046cb8b204268efeb (diff) | |
| download | linux-0d44d3fa2b9089b0039118351773d465204ad581.tar.gz | |
drm/i915/guc: Fix a bug in GuC status check
Bit 16 of GuC status indicates resuming from RC6. The LAPIC_DONE
status is a reliable readiness flag only when resuming from RC6.
This fix a racing issue that allocation of doorbell fails whilst
GuC init is not finished.
Signed-off-by: Alex Dai <yu.dai@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_fence.c')
0 files changed, 0 insertions, 0 deletions