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Subject[051/145] drm/i915: fix get_core_clock_speed for G33 class desktop chips
2.6.32-stable review patch.  If anyone has any objections, please let me know.

----------------
From: Daniel Vetter <daniel.vetter@ffwll.ch>

commit 43bcd61fae05fc6062b4f117c5adb1a72c9f8c57 upstream.

Somehow the case for G33 got dropped while porting from ums code.
This made a 400MHz chip into a 133MHz one which resulted in the
unnecessary enabling of double wide pipe mode which in turn
screwed up the overlay code.

Nothing else (than the overlay code) seems to be affected.

This fixes fdo.org bug #24835

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4322,7 +4322,7 @@ static void intel_init_display(struct dr
}

/* Returns the core display clock speed */
- if (IS_I945G(dev))
+ if (IS_I945G(dev) || (IS_G33(dev) && ! IS_IGDGM(dev)))
dev_priv->display.get_display_clock_speed =
i945_get_display_clock_speed;
else if (IS_I915G(dev))



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