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From: Jesse Barnes <>
Subject: [PATCH] drm/i915: reset GPU after clock gating init
Date: Thu, 15 Nov 2012 10:24:03 -0800
Message-ID: <> (raw)

This is needed for SNB at least after disabling CSunit clock gating, and
shouldn't hurt on other platforms either.

This fixes an issue on James's machine where RC6 wouldn't always get

Tested-by: James Kukunas <>
Signed-off-by: Jesse Barnes <>
 drivers/gpu/drm/i915/intel_display.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6d8a5ed..2fccd8f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8718,6 +8718,7 @@ void intel_modeset_init_hw(struct drm_device *dev)
+	intel_gpu_reset(dev);

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Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-15 18:24 Jesse Barnes [this message]
2012-11-15 20:05 ` Daniel Vetter
2012-11-15 20:10   ` Jesse Barnes
2012-11-17 15:34     ` Jesse Barnes

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