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drm/i915/execlists: Record elsp offset during engine setup 

Currently, we record the elsp register offset inside init-hw but we only
need to do it once during engine setup (after we know the mmio
iomapping).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180102151235.3949-17-chris@chris-wilson.co.uk
hifive-unleashed-5.1
Chris Wilson 2018-01-02 15:12:33 +00:00
parent 4223221361
commit 693cfbf058
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/intel_lrc.c
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@ -1496,9 +1496,6 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine)
execlists->csb_head = -1;
execlists->active = 0;
execlists->elsp =
dev_priv->regs + i915_mmio_reg_offset(RING_ELSP(engine));
/* After a GPU reset, we may have requests to replay */
if (execlists->first)
tasklet_schedule(&execlists->tasklet);
@ -2007,6 +2004,9 @@ static int logical_ring_init(struct intel_engine_cs *engine)
if (ret)
goto error;
engine->execlists.elsp =
engine->i915->regs + i915_mmio_reg_offset(RING_ELSP(engine));
return 0;
error: