Re: [PATCH] drm/i915: Introduce bit definitions of CTXT_SR_CTRL register.

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Thanks Daniel! :)

于 2015年02月11日 16:03, Daniel Vetter 写道:
On Tue, Feb 10, 2015 at 05:11:36PM +0800, Zhi Wang wrote:
This patch introduces 2 bit definitions of context save/restore
control register.

Thanks comments from David/Thomas/Daniel.

Instead of Thanks just add the usual Suggested-by: lines. And please Cc:
everyone from the previous discussion when you follow up with a patch.
I've added that now.

Signed-off-by: Zhi Wang <zhi.a.wang@xxxxxxxxx>

Queued for -next, thanks for the patch.
-Daniel

---
  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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