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drm/i915: Remove access to global seqno in the HWSP

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Stop accessing the HWSP to read the global seqno, and stop tracking the
mirror in the engine's execution timeline -- it is unused.

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/20190226094922.31617-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-02-26 09:49:20 +00:00
parent 89531e7d8e
commit 8892f47742
10 changed files with 19 additions and 104 deletions
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3
drivers/gpu/drm/i915/i915_gpu_error.h
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@@ -94,8 +94,6 @@ struct i915_gpu_state {
u32 cpu_ring_head;
u32 cpu_ring_tail;
u32 last_seqno;
/* Register state */
u32 start;
u32 tail;
@@ -108,7 +106,6 @@ struct i915_gpu_state {
u32 bbstate;
u32 instpm;
u32 instps;
u32 seqno;
u64 bbaddr;
u64 acthd;
u32 fault_reg;