On Wed, 29 May 2019, Colin King <colin.k...@canonical.com> wrote:
> From: Colin Ian King <colin.k...@canonical.com>
>
> Currently subslice_mask is not initialized and so data is being
> bit-wise or'd into a garbage value. Fix this by inintializing
> subslice_mask to zero.
>
> Addresses-Coverity: ("Uninitialized scalar variable")
> Fixes: 1ac159e23c2c ("drm/i915: Expand subslice mask")
This was already reverted for other reasons. Need to be fixed on the
next round. For future reference, please Cc: author and reviewers of the
referenced commit.
BR,
Jani.
> Signed-off-by: Colin Ian King <colin.k...@canonical.com>
> ---
> drivers/gpu/drm/i915/intel_device_info.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c
> b/drivers/gpu/drm/i915/intel_device_info.c
> index 3625f777f3a3..d395a09b994f 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -298,7 +298,7 @@ static void cherryview_sseu_info_init(struct
> drm_i915_private *dev_priv)
> {
> struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
> u32 fuse;
> - u8 subslice_mask;
> + u8 subslice_mask = 0;
>
> fuse = I915_READ(CHV_FUSE_GT);
--
Jani Nikula, Intel Open Source Graphics Center
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