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From: Ben Widawsky <ben@bwidawsk.net>
To: intel-gfx@lists.freedesktop.org
Cc: Ben Widawsky <ben@bwidawsk.net>
Subject: [PATCH 1/2] drm/i915: add assumed cpu-dirtied flush
Date: Thu, 11 Aug 2011 17:47:25 -0700	[thread overview]
Message-ID: <1313110048-2971-2-git-send-email-ben@bwidawsk.net> (raw)
In-Reply-To: <1313110048-2971-1-git-send-email-ben@bwidawsk.net>


Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_drv.h            |    2 ++
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |    4 ++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index feb4f16..2a61e63 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -879,6 +879,8 @@ struct drm_i915_gem_object {
 	 * reaches 0, dev_priv->pending_flip_queue will be woken up.
 	 */
 	atomic_t pending_flip;
+
+	atomic_t always_cpu_dirty;
 };
 
 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 4934cf8..f60cfcc 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -201,6 +201,10 @@ i915_gem_object_set_to_gpu_domain(struct drm_i915_gem_object *obj,
 
 	cd->invalidate_domains |= invalidate_domains;
 	cd->flush_domains |= flush_domains;
+
+	if (atomic_read(&obj->always_cpu_dirty))
+		cd->flush_domains |= I915_GEM_DOMAIN_CPU;
+
 	if (flush_domains & I915_GEM_GPU_DOMAINS)
 		cd->flush_rings |= obj->ring->id;
 	if (invalidate_domains & I915_GEM_GPU_DOMAINS)
-- 
1.7.6

  reply	other threads:[~2011-08-12  0:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-12  0:47 [RFC] non-blocking map Ben Widawsky
2011-08-12  0:47 ` Ben Widawsky [this message]
2011-08-12  1:18   ` [PATCH 1/2] drm/i915: add assumed cpu-dirtied flush Ben Widawsky
2011-08-12  0:47 ` [PATCH 2/2] drm/i915: Assume size & 1 means WO map (hack) Ben Widawsky
2011-08-12  0:47 ` [PATCH] intel: hack to allow WO mappings Ben Widawsky
2011-08-12  0:56 ` [RFC] non-blocking map Keith Packard
2011-08-12  1:19   ` Ben Widawsky
2011-08-12 23:28     ` Eric Anholt
2011-08-13  0:59       ` Ben Widawsky

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