All of lore.kernel.org
 help / color / mirror / Atom feed
From: Zhi Wang <zhi.a.wang@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: zhiyuan.lv@intel.com
Subject: [PATCH v12 5/9] drm/i915: Make ring buffer size of a LRC context configurable
Date: Thu, 16 Jun 2016 08:07:01 -0400	[thread overview]
Message-ID: <1466078825-6662-6-git-send-email-zhi.a.wang@intel.com> (raw)
In-Reply-To: <1466078825-6662-1-git-send-email-zhi.a.wang@intel.com>

This patch introduces an option for configuring the ring buffer size
of a LRC context after the context creation.

v9:
- Fix an identation issue. (Chris)

v8:
- Rename the data member in i915_gem_context. (Chris)

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h         | 1 +
 drivers/gpu/drm/i915/i915_gem_context.c | 1 +
 drivers/gpu/drm/i915/intel_lrc.c        | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0cb9086..bf1c445 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -880,6 +880,7 @@ struct i915_gem_context {
 		int pin_count;
 		bool initialised;
 	} engine[I915_NUM_ENGINES];
+	u32 ring_size;
 
 	struct list_head link;
 
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index a3b11aa..b722fa1 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -295,6 +295,7 @@ __create_hw_context(struct drm_device *dev,
 	ctx->remap_slice = ALL_L3_SLICES(dev_priv);
 
 	ctx->hang_stats.ban_period_seconds = DRM_I915_CTX_BAN_PERIOD;
+	ctx->ring_size = 4 * PAGE_SIZE;
 
 	return ctx;
 
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 4fad830..177b61d 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -2527,7 +2527,7 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx,
 		return PTR_ERR(ctx_obj);
 	}
 
-	ringbuf = intel_engine_create_ringbuffer(engine, 4 * PAGE_SIZE);
+	ringbuf = intel_engine_create_ringbuffer(engine, ctx->ring_size);
 	if (IS_ERR(ringbuf)) {
 		ret = PTR_ERR(ringbuf);
 		goto error_deref_obj;
-- 
1.9.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2016-06-16 12:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-16 12:06 [PATCH v12 0/9] Introduce the implementation of GVT context Zhi Wang
2016-06-16 12:06 ` [PATCH v12 1/9] drm/i915: Factor out i915_pvinfo.h Zhi Wang
2016-06-17 18:41   ` Chris Wilson
2016-06-16 12:06 ` [PATCH v12 2/9] drm/i915: Use offsetof() to calculate the offset of members in PVINFO page Zhi Wang
2016-06-16 12:06 ` [PATCH v12 3/9] drm/i915: Fold vGPU active check into inner functions Zhi Wang
2016-06-16 12:07 ` [PATCH v12 4/9] drm/i915: gvt: Introduce the basic architecture of GVT-g Zhi Wang
2016-06-17 21:13   ` Chris Wilson
2016-06-16 12:07 ` Zhi Wang [this message]
2016-06-16 12:07 ` [PATCH v12 6/9] drm/i915: Make addressing mode bits in context descriptor configurable Zhi Wang
2016-06-16 12:07 ` [PATCH v12 7/9] drm/i915: Introduce execlist context status change notification Zhi Wang
2016-06-16 12:07 ` [PATCH v12 8/9] drm/i915: Support LRC context single submission Zhi Wang
2016-06-16 12:07 ` [PATCH v12 9/9] drm/i915: Introduce GVT context creation API Zhi Wang
2016-06-16 12:27 ` ✗ Ro.CI.BAT: failure for Introduce the implementation of GVT context (rev10) Patchwork
2016-06-16 12:37   ` Wang, Zhi A
2016-06-17 19:52 ` [PATCH v12 0/9] Introduce the implementation of GVT context Chris Wilson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1466078825-6662-6-git-send-email-zhi.a.wang@intel.com \
    --to=zhi.a.wang@intel.com \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=zhiyuan.lv@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.