From de3ded0ae677749b4fc9f59d15b26b9f077340ac Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 2 Oct 2017 11:04:16 +0100 Subject: [PATCH] drm/i915: Silence compiler warning for hsw_power_well_enable() Git-commit: de3ded0ae677749b4fc9f59d15b26b9f077340ac Patch-mainline: v4.14-rc5 References: FATE#322643 bsc#1055900 No-fix: 320671f94ada80ff036cc9d5dcd730ba4f3e0f1a 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 Fixes: b2891eb2531e ("drm/i915/hsw+: Add has_fuses power well attribute") Signed-off-by: Chris Wilson Cc: Imre Deak Cc: Arkadiusz Hiler Link: https://patchwork.freedesktop.org/patch/msgid/20171002100416.25865-1-chris@chris-wilson.co.uk Reviewed-by: Imre Deak (cherry picked from commit 320671f94ada80ff036cc9d5dcd730ba4f3e0f1a) Signed-off-by: Rodrigo Vivi Acked-by: Takashi Iwai --- drivers/gpu/drm/i915/intel_runtime_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -368,7 +368,7 @@ static void hsw_power_well_enable(struct { 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) {