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Date: Sun, 27 May 2012 10:05:32 +0900 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, Chris Wilson <chris@...is-wilson.co.uk>, Eugeni Dodonov <eugeni.dodonov@...el.com>, Daniel Vetter <daniel.vetter@...ll.ch> Subject: [ 69/94] drm/i915: dont clobber the pipe param in sanitize_modesetting 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Daniel Vetter <daniel.vetter@...ll.ch> commit a9dcf84b14ef4e9a609910367576995e6f32f3dc upstream. ... we need it later on in the function to clean up pipe <-> plane associations. This regression has been introduced in commit f47166d2b0001fcb752b40c5a2d4db986dfbea68 Author: Chris Wilson <chris@...is-wilson.co.uk> Date: Thu Mar 22 15:00:50 2012 +0000 drm/i915: Sanitize BIOS debugging bits from PIPECONF Spotted by staring at debug output of an (as it turns out) totally unrelated bug. v2: I've totally failed to do the s/pipe/i/ correctly, spotted by Chris Wilson. Reviewed-by: Chris Wilson <chris@...is-wilson.co.uk> Reviewed-by: Eugeni Dodonov <eugeni.dodonov@...el.com> Signed-Off-by: Daniel Vetter <daniel.vetter@...ll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/gpu/drm/i915/intel_display.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7496,10 +7496,11 @@ static void intel_sanitize_modesetting(s { struct drm_i915_private *dev_priv = dev->dev_private; u32 reg, val; + int i; /* Clear any frame start delays used for debugging left by the BIOS */ - for_each_pipe(pipe) { - reg = PIPECONF(pipe); + for_each_pipe(i) { + reg = PIPECONF(i); I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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