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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2017-09-22 15:43:07 +0300 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2017-09-25 11:33:53 +0300 |
| commit | 76e70087d360fdbe97f24c205d585ada04126e5f (patch) | |
| tree | 2ad0fd9d5614b6d79367055577528318ececda1d /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 7a62cc6107f31e119a0df6f79fa9fae566b1a22e (diff) | |
| download | linux-76e70087d360fdbe97f24c205d585ada04126e5f.tar.xz | |
drm/i915: Make execlist port count variable
As we emulate execlists on top of the GuC workqueue, it is not
restricted to just 2 ports and we can increase that number arbitrarily
to trade-off queue depth (i.e. scheduling latency) against pipeline
bubbles.
v2: rebase. better commit msg (Chris)
v3: rebase
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170922124307.10914-5-mika.kuoppala@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d6babe7d362d..0f26aa57a922 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1001,7 +1001,8 @@ struct i915_gpu_state { u32 seqno; u32 head; u32 tail; - } *requests, execlist[2]; + } *requests, execlist[EXECLIST_MAX_PORTS]; + unsigned int num_ports; struct drm_i915_error_waiter { char comm[TASK_COMM_LEN]; |