From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: [PATCH 03/10] drm/i915: kill waiting_seqno Date: Fri, 20 Apr 2012 18:23:25 -0700 Message-ID: <1334971412-4826-4-git-send-email-ben@bwidawsk.net> References: <1334971412-4826-1-git-send-email-ben@bwidawsk.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cloud01.chad-versace.us (184-106-247-128.static.cloud-ips.com [184.106.247.128]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A4D59E85A for ; Fri, 20 Apr 2012 18:25:10 -0700 (PDT) In-Reply-To: <1334971412-4826-1-git-send-email-ben@bwidawsk.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: Ben Widawsky , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org It's not terribly useful and it ruins our ability to do waits atomically. Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_debugfs.c | 2 -- drivers/gpu/drm/i915/i915_gem.c | 2 -- drivers/gpu/drm/i915/i915_irq.c | 8 +++----- drivers/gpu/drm/i915/intel_ringbuffer.h | 1 - 4 files changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 5c4af9a..ee80266 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -430,8 +430,6 @@ static void i915_ring_seqno_info(struct seq_file *m, if (ring->get_seqno) { seq_printf(m, "Current sequence (%s): %d\n", ring->name, ring->get_seqno(ring)); - seq_printf(m, "Waiter sequence (%s): %d\n", - ring->name, ring->waiting_seqno); seq_printf(m, "IRQ sequence (%s): %d\n", ring->name, ring->irq_seqno); } diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 64bbcf7..a86a6ee 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1892,7 +1892,6 @@ i915_wait_request(struct intel_ring_buffer *ring, if (!i915_seqno_passed(ring->get_seqno(ring), seqno)) { trace_i915_gem_request_wait_begin(ring, seqno); - ring->waiting_seqno = seqno; if (ring->irq_get(ring)) { if (dev_priv->mm.interruptible) ret = wait_event_interruptible(ring->irq_queue, @@ -1908,7 +1907,6 @@ i915_wait_request(struct intel_ring_buffer *ring, seqno) || atomic_read(&dev_priv->mm.wedged), 3000)) ret = -EBUSY; - ring->waiting_seqno = 0; trace_i915_gem_request_wait_end(ring, seqno); } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index cf0e9f0..52eb9ed 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1846,11 +1846,9 @@ static bool i915_hangcheck_ring_idle(struct intel_ring_buffer *ring, bool *err) if (list_empty(&ring->request_list) || i915_seqno_passed(ring->get_seqno(ring), ring_last_seqno(ring))) { /* Issue a wake-up to catch stuck h/w. */ - if (ring->waiting_seqno && waitqueue_active(&ring->irq_queue)) { - DRM_ERROR("Hangcheck timer elapsed... %s idle [waiting on %d, at %d], missed IRQ?\n", - ring->name, - ring->waiting_seqno, - ring->get_seqno(ring)); + if (waitqueue_active(&ring->irq_queue)) { + DRM_ERROR("Hangcheck timer elapsed... %s idle\n", + ring->name); wake_up_all(&ring->irq_queue); *err = true; } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 06a66ad..69798c1 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -61,7 +61,6 @@ struct intel_ring_buffer { u32 irq_enable_mask; /* bitmask to enable ring interrupt */ u32 irq_seqno; /* last seq seem at irq time */ u32 trace_irq_seqno; - u32 waiting_seqno; u32 sync_seqno[I915_NUM_RINGS-1]; bool __must_check (*irq_get)(struct intel_ring_buffer *ring); void (*irq_put)(struct intel_ring_buffer *ring); -- 1.7.10