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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-29 09:11:15 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-29 23:47:36 +0100 |
| commit | 11988e393813f520974f69bf0e55c367a1cbac48 (patch) | |
| tree | 088a31837d3014284afd4bebc95a95499b3eed80 /include | |
| parent | 66d9cec8a6c9f3eb1d81507d5f045e28272359fb (diff) | |
| download | blackbird-op-linux-11988e393813f520974f69bf0e55c367a1cbac48.tar.gz blackbird-op-linux-11988e393813f520974f69bf0e55c367a1cbac48.zip | |
drm/i915/execlists: Try rearranging breadcrumb flush
The addition of the DC_FLUSH failed to ensure sanctity of the post-sync
write as CI immediately got a completion CS-event before the breadcrumb
was coherent. So let's try the other idea of moving the post-sync write
into the CS_STALL.
References: https://bugs.freedesktop.org/show_bug.cgi?id=111514
References: e8f6b4952ec5 ("drm/i915/execlists: Flush the post-sync breadcrumb write harder")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190829081150.10271-2-chris@chris-wilson.co.uk
Diffstat (limited to 'include')
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