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| author | Peter Antoine <peter.antoine@intel.com> | 2016-04-13 16:03:25 +0200 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-14 11:45:40 +0200 |
| commit | 0ccdacf694e9e5b77601ac872f38ffba96dc5dac (patch) | |
| tree | 31c9e47a221cabc33cfd5fe38f516050c2231d96 /drivers/gpu/drm/i915/intel_lrc.c | |
| parent | drm/i915: Late request cancellations are harmful (diff) | |
| download | linux-0ccdacf694e9e5b77601ac872f38ffba96dc5dac.tar.xz linux-0ccdacf694e9e5b77601ac872f38ffba96dc5dac.zip | |
drm/i915/mocs: Program MOCS for all engines on init
Allow for the MOCS to be programmed for all engines.
Currently we program the MOCS when the first render batch
goes through. This works on most platforms but fails on
platforms that do not run a render batch early,
i.e. headless servers. The patch now programs all initialised engines
on init and the RCS is programmed again within the initial batch. This
is done for predictable consistency with regards to the hardware
context.
Hardware context loading sets the values of the MOCS for RCS
and L3CC. Programming them from within the batch makes sure that
the render context is valid, no matter what the previous state of
the saved-context was.
v2: posted correct version to the mailing list.
v3: moved programming to within engine->init_hw() (Chris Wilson)
v4: code formatting and white-space changes. (Chris Wilson)
Testcase: igt/gem_mocs_settings
Signed-off-by: Peter Antoine <peter.antoine@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1460556205-6644-1-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 7693efa3f15c..1562a75ac9d1 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1626,7 +1626,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine) intel_engine_init_hangcheck(engine); - return 0; + return intel_mocs_init_engine(engine); } static int gen8_init_render_ring(struct intel_engine_cs *engine) |