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drm/i915: use the correct force_wake function at the PC8 code

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When I submitted the first patch adding these force wake functions,
Chris Wilson observed that I was using the wrong functions, so I sent
a second version of the patch to correct this problem. The problem is
that v1 was merged instead of v2.

I was able to notice the problem when running the
debugfs-forcewake-user subtest of pm_pc8 from intel-gpu-tools.

Cc: [email protected]
Signed-off-by: Paulo Zanoni <[email protected]>
Reviewed-by: Rodrigo Vivi <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
This commit is contained in:
Paulo Zanoni 2013-11-21 13:47:16 -02:00 • committed by Daniel Vetter
commit a121644428
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_display.c
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@ -6402,7 +6402,7 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
/* Make sure we're not on PC8 state before disabling PC8, otherwise
* we'll hang the machine! */
dev_priv->uncore.funcs.force_wake_get(dev_priv);
gen6_gt_force_wake_get(dev_priv);
if (val & LCPLL_POWER_DOWN_ALLOW) {
val &= ~LCPLL_POWER_DOWN_ALLOW;
@ -6436,7 +6436,7 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
DRM_ERROR("Switching back to LCPLL failed\n");
}
dev_priv->uncore.funcs.force_wake_put(dev_priv);
gen6_gt_force_wake_put(dev_priv);
}
void hsw_enable_pc8_work(struct work_struct *__work)