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drm/i915: Initialize the mbus_offset to fix Klockwork issue

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Static analysis identified an issue in skl_crtc_allocate_ddb where
mbus_offset may be used uninitialized.
This patch fixes it.

Fixes: 835c176cb1 ("drm/i915: Introduce MBUS relative dbuf offsets")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603215338.13804-1-manasi.d.navare@intel.com
This commit is contained in:
Manasi Navare 2021-06-03 14:53:38 -07:00 • committed by Jani Nikula
parent 514d83cb67
commit e2bebb924d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_pm.c
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@ -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;