diff options
| author | Chris Wilson <[email protected]> | 2015-11-26 13:31:42 +0000 |
|---|---|---|
| committer | Jani Nikula <[email protected]> | 2015-12-01 08:48:58 +0000 |
| commit | bb6d19846d1cee7cc977ce3aa736ec60d7163d3a (patch) | |
| tree | 7df1d1b139f3f19eb35aeb02190539654bb7df81 /drivers/fpga/fpga-mgr.c | |
| parent | drm/i915: Don't override output type for DDI HDMI (diff) | |
| download | kernel-bb6d19846d1cee7cc977ce3aa736ec60d7163d3a.tar.gz kernel-bb6d19846d1cee7cc977ce3aa736ec60d7163d3a.zip | |
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 <[email protected]>
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 <[email protected]>
Cc: Lionel Landwerlin <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Cc: Daniel Vetter <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Jani Nikula <[email protected]>
Diffstat (limited to 'drivers/fpga/fpga-mgr.c')
0 files changed, 0 insertions, 0 deletions