Attachment 63116 Details for Bug 51142 – Disable contexts when HW doesn't support it.

[patch] Disable contexts when HW doesn't support it.

0001-drm-i915-disable-contexts-on-old-HW.patch (text/plain), 1.06 KB, created by Ben Widawsky on 2012-06-16 12:30:12 UTC

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Creator: Ben Widawsky

Created: 2012-06-16 12:30:12 UTC

Size: 1.06 KB

patch

obsolete

>From 9a70e1d4e200333d39b1e8407cbcbdaf515b33d8 Mon Sep 17 00:00:00 2001
>From: Ben Widawsky <ben@bwidawsk.net>
>Date: Sat, 16 Jun 2012 05:21:13 -0700
>Subject: [PATCH] drm/i915: disable contexts on old HW
>
>This got dropped as a result of the last round of comments. I didn't
>test it on unsupported HW (which this is likely the case).
>
>Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
>---
> drivers/gpu/drm/i915/i915_gem_context.c |    4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
>index 6dc426a..8fb8cd8 100644
>--- a/drivers/gpu/drm/i915/i915_gem_context.c
>+++ b/drivers/gpu/drm/i915/i915_gem_context.c
>@@ -243,8 +243,10 @@ void i915_gem_context_init(struct drm_device *dev)
> 	struct drm_i915_private *dev_priv = dev->dev_private;
> 	uint32_t ctx_size;
> 
>-	if (!HAS_HW_CONTEXTS(dev))
>+	if (!HAS_HW_CONTEXTS(dev)) {
>+		dev_priv->hw_contexts_disabled = true;
> 		return;
>+	}
> 
> 	/* If called from reset, or thaw... we've been here already */
> 	if (dev_priv->hw_contexts_disabled ||
>-- 
>1.7.10.4
>

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