Move the register settings for enabling execlists into its own function
for clarity.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 2e1adbaaec2f..2b2c61ed81db 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1467,9 +1467,20 @@ static u8 gtiir[] = {
[VECS] = 3,
};
-static int gen8_init_common_ring(struct intel_engine_cs *engine)
+static void enable_execlists(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
+
+ I915_WRITE(RING_HWSTAM(engine->mmio_base), 0xffffffff);
+ I915_WRITE(RING_MODE_GEN7(engine),
+ _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE));
+ I915_WRITE(RING_HWS_PGA(engine->mmio_base),
+ engine->status_page.ggtt_offset);
+ POSTING_READ(RING_HWS_PGA(engine->mmio_base));
+}
+
+static int gen8_init_common_ring(struct intel_engine_cs *engine)
+{
struct intel_engine_execlists * const execlists = &engine->execlists;
int ret;
@@ -1480,13 +1491,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine)
intel_engine_reset_breadcrumbs(engine);
intel_engine_init_hangcheck(engine);
- I915_WRITE(RING_HWSTAM(engine->mmio_base), 0xffffffff);
- I915_WRITE(RING_MODE_GEN7(engine),
- _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE));
- I915_WRITE(RING_HWS_PGA(engine->mmio_base),
- engine->status_page.ggtt_offset);
- POSTING_READ(RING_HWS_PGA(engine->mmio_base));
-
+ enable_execlists(engine);
DRM_DEBUG_DRIVER("Execlists enabled for %s\n", engine->name);
GEM_BUG_ON(engine->id >= ARRAY_SIZE(gtiir));
@@ -1913,6 +1918,7 @@ void intel_logical_ring_cleanup(struct intel_engine_cs *engine)
intel_engine_cleanup_common(engine);
lrc_destroy_wa_ctx(engine);
+
engine->i915 = NULL;
dev_priv->engine[engine->id] = NULL;
kfree(engine);
--
2.15.1
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