From: Jesse Barnes Date: Mon, 25 Nov 2013 15:15:32 +0000 (+0200) Subject: drm/i915: protect HSW power well check with IS_HASWELL in redisable_vga X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f9e711e92825d4c71791794c944dd685c63c1a59;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git drm/i915: protect HSW power well check with IS_HASWELL in redisable_vga 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 Reviewed-by: Paulo Zanoni [added IS_BROADWELL too as that needs the same handling (Imre)] Signed-off-by: Imre Deak [danvet: Add Imre's missing sob.] Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index aa1a6c1e90ea..22b7b141a22f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11032,7 +11032,7 @@ 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;