[Intel-gfx] [PATCH 17/19] drm/i915/execlists: Record elsp offset during engine setup
Chris Wilson
chris at chris-wilson.co.uk
Tue Jan 2 15:12:33 UTC 2018
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 at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_lrc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 5295059b6318..2e1adbaaec2f 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1494,9 +1494,6 @@ 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);
@@ -2005,6 +2002,9 @@ 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:
--
2.15.1
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