drm/i915: s/assert_spin_locked/lockdep_assert_held/
assert_spin_locked() becomes an unconditionally compiled BUG_ON(),
adding debug code right into the heart of critical routines like
interrupt handlers.
text data bss dec hex
1296480 19944 2272 1318696 141f28 before (lockdep disabled)
1295984 19944 2272 1318200 141d38 after
1336261 21139 3208 1360608 14c2e0 before (lockdep enabled)
1339920 21139 3208 1364267 14d12b after
Small saving for release; hopefully more instructive in debug.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302132801.599-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/intel_pipe_crc.c b/drivers/gpu/drm/i915/intel_pipe_crc.c
index c0b1f99..c782b78 100644
--- a/drivers/gpu/drm/i915/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/intel_pipe_crc.c
@@ -105,7 +105,7 @@ static int i915_pipe_crc_release(struct inode *inode, struct file *filep)
static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc)
{
- assert_spin_locked(&pipe_crc->lock);
+ lockdep_assert_held(&pipe_crc->lock);
return CIRC_CNT(pipe_crc->head, pipe_crc->tail,
INTEL_PIPE_CRC_ENTRIES_NR);
}