xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915: Track the pinned kernel contexts on each engine

Browse Source 
Each engine acquires a pin on the kernel contexts (normal and preempt)
so that the logical state is always available on demand. Keep track of
each engines pin by storing the returned pointer on the engine for quick
access.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-6-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-03-08 13:25:21 +00:00
parent 95f697eb02
commit 9dbfea98d7
6 changed files with 45 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@@ -1735,8 +1735,7 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags)
* placeholder we use to flush other contexts.
*/
*cs++ = MI_SET_CONTEXT;
*cs++ = i915_ggtt_offset(intel_context_lookup(i915->kernel_context,
engine)->state) |
*cs++ = i915_ggtt_offset(engine->kernel_context->state) |
MI_MM_SPACE_GTT |
MI_RESTORE_INHIBIT;
}