diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 10 |
1 files changed, 8 insertions, 2 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 20c710a74498..c39abb010181 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -168,12 +168,15 @@ static int guc_action_register_ct_buffer(struct intel_guc *guc, u32 type, FIELD_PREP(HOST2GUC_REGISTER_CTB_REQUEST_MSG_2_DESC_ADDR, desc_addr), FIELD_PREP(HOST2GUC_REGISTER_CTB_REQUEST_MSG_3_BUFF_ADDR, buff_addr), }; + int ret; GEM_BUG_ON(type != GUC_CTB_TYPE_HOST2GUC && type != GUC_CTB_TYPE_GUC2HOST); GEM_BUG_ON(size % SZ_4K); /* CT registration must go over MMIO */ - return intel_guc_send_mmio(guc, request, ARRAY_SIZE(request), NULL, 0); + ret = intel_guc_send_mmio(guc, request, ARRAY_SIZE(request), NULL, 0); + + return ret > 0 ? -EPROTO : ret; } static int ct_register_buffer(struct intel_guc_ct *ct, u32 type, @@ -201,11 +204,14 @@ static int guc_action_deregister_ct_buffer(struct intel_guc *guc, u32 type) FIELD_PREP(GUC_HXG_REQUEST_MSG_0_ACTION, GUC_ACTION_HOST2GUC_DEREGISTER_CTB), FIELD_PREP(HOST2GUC_DEREGISTER_CTB_REQUEST_MSG_1_TYPE, type), }; + int ret; GEM_BUG_ON(type != GUC_CTB_TYPE_HOST2GUC && type != GUC_CTB_TYPE_GUC2HOST); /* CT deregistration must go over MMIO */ - return intel_guc_send_mmio(guc, request, ARRAY_SIZE(request), NULL, 0); + ret = intel_guc_send_mmio(guc, request, ARRAY_SIZE(request), NULL, 0); + + return ret > 0 ? -EPROTO : ret; } static int ct_deregister_buffer(struct intel_guc_ct *ct, u32 type) |