Attachment 88135 Details for Bug 65496 – Fault PDEs too

[patch] Fault PDEs too

0001-drm-i915-Disable-PDEs-also-at-suspend.patch (text/plain), 1.39 KB, created by Ben Widawsky on 2013-10-26 01:20:39 UTC

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Creator: Ben Widawsky

Created: 2013-10-26 01:20:39 UTC

Size: 1.39 KB

patch

obsolete

>From f95106fa456c088ec5464e6f85611adc52f834b8 Mon Sep 17 00:00:00 2001
>From: Ben Widawsky <benjamin.widawsky@intel.com>
>Date: Fri, 25 Oct 2013 18:14:49 -0700
>Subject: [PATCH] drm/i915: Disable PDEs also at suspend
>
>This patch for test only
>
>Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
>---
> drivers/gpu/drm/i915/i915_gem_gtt.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
>index c4c42e7..ecc6583 100644
>--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
>+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
>@@ -537,6 +537,11 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev)
> 				       dev_priv->gtt.base.start / PAGE_SIZE,
> 				       dev_priv->gtt.base.total / PAGE_SIZE,
> 				       false);
>+
>+	dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
>+				       dev_priv->gtt.base.total / PAGE_SIZE,
>+				       GEN6_PPGTT_PD_ENTRIES,
>+				       false);
> }
> 
> void i915_gem_restore_gtt_mappings(struct drm_device *dev)
>@@ -626,7 +631,7 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm,
> 	const int max_entries = gtt_total_entries(dev_priv->gtt) - first_entry;
> 	int i;
> 
>-	if (WARN(num_entries > max_entries,
>+	if (WARN(num_entries > max_entries + GEN6_PPGTT_PD_ENTRIES,
> 		 "First entry = %d; Num entries = %d (max=%d)\n",
> 		 first_entry, num_entries, max_entries))
> 		num_entries = max_entries;
>-- 
>1.8.4.1
>

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Attachments on bug 65496: 80458 | 80757 | 83802 | 83804 | 83806 | 87366 | 87496 | 87976 | 88135

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