Commit e2bebb92 authored by Manasi Navare's avatar Manasi Navare Committed by Jani Nikula
Browse files

drm/i915: Initialize the mbus_offset to fix Klockwork issue 



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

Fixes: 835c176c ("drm/i915: Introduce MBUS relative dbuf offsets")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarManasi Navare <manasi.d.navare@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603215338.13804-1-manasi.d.navare@intel.com
parent 514d83cb

drivers/gpu/drm/i915/intel_pm.c

+1 −1
Original line number Diff line number Diff line
@@ -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;