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* [PATCH] drm/i915: Introduce bit definitions of CTXT_SR_CTRL register.
@ 2015-02-10  9:11 Zhi Wang
  2015-02-11  8:03 ` Daniel Vetter
  0 siblings, 1 reply; 3+ messages in thread
From: Zhi Wang @ 2015-02-10  9:11 UTC (permalink / raw)
  To: intel-gfx

This patch introduces 2 bit definitions of context save/restore
control register.

Thanks comments from David/Thomas/Daniel.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
---
 drivers/gpu/drm/i915/intel_lrc.c | 3 ++-
 drivers/gpu/drm/i915/intel_lrc.h | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index d05f3bc..2196e9c 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1668,7 +1668,8 @@ populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_o
 	reg_state[CTX_LRI_HEADER_0] |= MI_LRI_FORCE_POSTED;
 	reg_state[CTX_CONTEXT_CONTROL] = RING_CONTEXT_CONTROL(ring);
 	reg_state[CTX_CONTEXT_CONTROL+1] =
-			_MASKED_BIT_ENABLE((1<<3) | MI_RESTORE_INHIBIT);
+		_MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH |
+				CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
 	reg_state[CTX_RING_HEAD] = RING_HEAD(ring->mmio_base);
 	reg_state[CTX_RING_HEAD+1] = 0;
 	reg_state[CTX_RING_TAIL] = RING_TAIL(ring->mmio_base);
diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h
index 6f2d7da..ced191f 100644
--- a/drivers/gpu/drm/i915/intel_lrc.h
+++ b/drivers/gpu/drm/i915/intel_lrc.h
@@ -30,6 +30,8 @@
 #define RING_ELSP(ring)			((ring)->mmio_base+0x230)
 #define RING_EXECLIST_STATUS(ring)	((ring)->mmio_base+0x234)
 #define RING_CONTEXT_CONTROL(ring)	((ring)->mmio_base+0x244)
+#define	  CTX_CTRL_INHIBIT_SYN_CTX_SWITCH	(1 << 3)
+#define	  CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT	(1 << 0)
 #define RING_CONTEXT_STATUS_BUF(ring)	((ring)->mmio_base+0x370)
 #define RING_CONTEXT_STATUS_PTR(ring)	((ring)->mmio_base+0x3a0)
 
-- 
1.9.1

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2015-02-10  9:11 [PATCH] drm/i915: Introduce bit definitions of CTXT_SR_CTRL register Zhi Wang
2015-02-11  8:03 ` Daniel Vetter
2015-02-10 16:36   ` Zhi Wang

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