From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Zero initialize val2 so that we don't pass stack garbage to
the pcode qgv read command. I suspect in this case pcode
just ignores the initial value in that registers, but better
safe than sorry.
Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_bw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 7b908e10d32e..ee52c5b4643b 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -65,7 +65,7 @@ static int icl_pcode_read_qgv_point_info(struct drm_i915_private *dev_priv,
struct intel_qgv_point *sp,
int point)
{
- u32 val = 0, val2;
+ u32 val = 0, val2 = 0;
int ret;
ret = sandybridge_pcode_read(dev_priv,
--
2.21.0
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