linux-kernel - [ 07/75] drm/i915: make rc6 module parameter read-only

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Message-Id: <20120419210303.745394838@linuxfoundation.org>
Date:	Thu, 19 Apr 2012 14:03:10 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Jesse Barnes <jbarnes@...tuousgeek.org>,
	Daniel Vetter <daniel.vetter@...ll.ch>
Subject: [ 07/75] drm/i915: make rc6 module parameter read-only

3.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jesse Barnes <jbarnes@...tuousgeek.org>

commit f57f9c167af7cb3fd315e6a8ebe194a8aea0832a upstream.

People have been getting confused and thinking this is a runtime control.

Signed-off-by: Jesse Barnes <jbarnes@...tuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/i915/i915_drv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -64,7 +64,7 @@ MODULE_PARM_DESC(semaphores,
 		"Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
 
 int i915_enable_rc6 __read_mostly = -1;
-module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400);
 MODULE_PARM_DESC(i915_enable_rc6,
 		"Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
 


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