From: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 2/2] drm/i915/hsw: Enable resource streamer bit on MI_BATCH_BUFFER_START
Date: Mon, 8 Jul 2013 16:38:49 +0300 [thread overview]
Message-ID: <1373290729-18887-3-git-send-email-abdiel.janulgue@linux.intel.com> (raw)
In-Reply-To: <1373290729-18887-1-git-send-email-abdiel.janulgue@linux.intel.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 1 +
drivers/gpu/drm/i915/intel_ringbuffer.c | 6 ++++--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e9c50fa..3db1184 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -254,6 +254,7 @@
#define MI_BATCH_NON_SECURE_HSW (1<<13)
#define MI_BATCH_BUFFER_START MI_INSTR(0x31, 0)
#define MI_BATCH_GTT (2<<6) /* aliased with (1<<7) on gen4 */
+#define MI_BATCH_RESOURCE_STREAMER (1<<10)
#define MI_SEMAPHORE_MBOX MI_INSTR(0x16, 1) /* gen6+ */
#define MI_SEMAPHORE_GLOBAL_GTT (1<<22)
#define MI_SEMAPHORE_UPDATE (1<<21)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index bc4c11b..9940fb3 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1678,14 +1678,16 @@ hsw_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
unsigned flags)
{
int ret;
+ int ring_emit_flags = MI_BATCH_BUFFER_START | MI_BATCH_PPGTT_HSW |
+ (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE_HSW);
ret = intel_ring_begin(ring, 2);
if (ret)
return ret;
intel_ring_emit(ring,
- MI_BATCH_BUFFER_START | MI_BATCH_PPGTT_HSW |
- (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE_HSW));
+ ring_emit_flags |
+ (flags & I915_EXEC_RS ? MI_BATCH_RESOURCE_STREAMER : 0));
/* bit0-7 is the length on GEN6+ */
intel_ring_emit(ring, offset);
intel_ring_advance(ring);
--
1.7.9.5
next prev parent reply other threads:[~2013-07-08 13:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-08 13:38 RFC: drm/1915: Resource streamer initial support Abdiel Janulgue
2013-07-08 13:38 ` [PATCH 1/2] drm/i915/hsw: Expose resource streamer control flags Abdiel Janulgue
2013-07-08 20:11 ` Daniel Vetter
2013-07-09 9:04 ` Chris Wilson
2013-07-08 13:38 ` Abdiel Janulgue [this message]
2013-10-08 21:09 drm/i915/hsw: Enable resource streamer (v2) Abdiel Janulgue
2013-10-08 21:09 ` [PATCH 2/2] drm/i915/hsw: Enable resource streamer bit on MI_BATCH_BUFFER_START Abdiel Janulgue
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