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Commit de3ded0a authored by Chris Wilson's avatar Chris Wilson Committed by Rodrigo Vivi
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drm/i915: Silence compiler warning for hsw_power_well_enable() 



Not all compilers are able to determine that pg is guarded by wait_fuses
and so may think that pg is used uninitialized.

Reported-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Fixes: b2891eb2 ("drm/i915/hsw+: Add has_fuses power well attribute")
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171002100416.25865-1-chris@chris-wilson.co.uk


Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
(cherry picked from commit 320671f9)
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent d6a55c63

drivers/gpu/drm/i915/intel_runtime_pm.c

+1 −1
Original line number Diff line number Diff line
@@ -368,7 +368,7 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv, 
{

	enum i915_power_well_id id = power_well->id;

	bool wait_fuses = power_well->hsw.has_fuses;

	enum skl_power_gate pg;

	enum skl_power_gate uninitialized_var(pg);

	u32 val;



	if (wait_fuses) {