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drm/i915: Silence compiler warning for hsw_power_well_enable()

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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: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: b2891eb253 ("drm/i915/hsw+: Add has_fuses power well attribute")
Signed-off-by: Chris 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: Imre Deak <imre.deak@intel.com>
(cherry picked from commit 320671f94a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Chris Wilson
2017-10-02 11:04:16 +01:00
committed by Rodrigo Vivi
parent d6a55c63e6
commit de3ded0ae6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_runtime_pm.c
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@@ -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) {