From: Michal Wajdeczko michal.wajdeczko@intel.com
We are no longer using descriptor to hold G2H replies and we are protecting access to the descriptor and command buffer by the separate spinlock, so we can stop using mutex.
Signed-off-by: Michal Wajdeczko michal.wajdeczko@intel.com Signed-off-by: Matthew Brost matthew.brost@intel.com Reviewed-by: Matthew Brost matthew.brost@intel.com --- drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c index 31f83956bfc3..372735c7f5e7 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -562,7 +562,6 @@ static int ct_send(struct intel_guc_ct *ct, int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len, u32 *response_buf, u32 response_buf_size) { - struct intel_guc *guc = ct_to_guc(ct); u32 status = ~0; /* undefined */ int ret;
@@ -571,8 +570,6 @@ int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len, return -ENODEV; }
- mutex_lock(&guc->send_mutex); - ret = ct_send(ct, action, len, response_buf, response_buf_size, &status); if (unlikely(ret < 0)) { CT_ERROR(ct, "Sending action %#x failed (err=%d status=%#X)\n", @@ -582,7 +579,6 @@ int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len, action[0], ret, ret); }
- mutex_unlock(&guc->send_mutex); return ret; }