On Thu, Jun 03, 2021 at 02:53:38PM -0700, Manasi Navare wrote:
> Static analysis identified an issue in skl_crtc_allocate_ddb where
> mbus_offset may be used uninitialized.
> This patch fixes it.
>
> Fixes: 835c176cb1c4 ("drm/i915: Introduce MBUS relative dbuf offsets")
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 00f3dead20ad..a385b8b7414f 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4163,7 +4163,7 @@ skl_crtc_allocate_ddb(struct intel_atomic_state *state, struct intel_crtc *crtc)
> struct intel_crtc_state *crtc_state;
> struct skl_ddb_entry ddb_slices;
> enum pipe pipe = crtc->pipe;
> - unsigned int mbus_offset;
> + unsigned int mbus_offset = 0;
> u32 ddb_range_size;
> u32 dbuf_slice_mask;
> u32 start, end;
> --
> 2.19.1
--
Ville Syrjälä
Intel
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