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[v2,5/8] drm/i915: protect HSW power well check with IS_HASWELL in redisable_vga

Message ID 1384434647-3163-1-git-send-email-imre.deak@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Imre Deak Nov. 14, 2013, 1:10 p.m. UTC 
From: Jesse Barnes <jbarnes@virtuousgeek.org>

This may need work if other platforms do the same thing, but in the
meantime we should avoid looking at HSW specific bits in this generic
function.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[added IS_BROADWELL too as that needs the same handling (Imre)]
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index bb5e4e9..7b28137 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11042,7 +11042,7 @@  void i915_redisable_vga(struct drm_device *dev)
 	 * level, just check if the power well is enabled instead of trying to
 	 * follow the "don't touch the power well if we don't need it" policy
 	 * the rest of the driver uses. */
-	if (HAS_POWER_WELL(dev) &&
+	if ((IS_HASWELL(dev) || IS_BROADWELL(dev)) &&
 	    (I915_READ(HSW_PWR_WELL_DRIVER) & HSW_PWR_WELL_STATE_ENABLED) == 0)
 		return;