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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2015-11-26 13:31:42 +0000 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-12-01 10:48:58 +0200 |
| commit | bb6d19846d1cee7cc977ce3aa736ec60d7163d3a (patch) | |
| tree | 7df1d1b139f3f19eb35aeb02190539654bb7df81 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 2540058f7a9d9a843b4d9a28d4f8168dd034d030 (diff) | |
drm/i915: Check the timeout passed to i915_wait_request
We have relied upon the sole caller (wait_ioctl) validating the timeout
argument. However, when waiting for multiple requests I forgot to ensure
that the timeout was still positive on the later requests. This is more
simply done inside __i915_wait_request.
Fixes regression introduced in
commit b47161858ba13c9c7e03333132230d66e008dd55
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Apr 27 13:41:17 2015 +0100
drm/i915: Implement inter-engine read-read optimisations
The impact of the regression is 1 jiffie for each extra active ring for
a wait_ioctl with a timeout -- I don't think anyone has noticed.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1448544702-5594-1-git-send-email-chris@chris-wilson.co.uk
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
0 files changed, 0 insertions, 0 deletions