msm: ipa3: disable statuses for modem pipes on SSR

On SSR scenario disable statuses for modem producer pipes.
Since modem is not up these statuses are redundant and are
not read by any EE.

Change-Id: I6e7a475d74902f7c5d1b9083f9f7935d3ed2c7c9
CRs-Fixed: 2034903
Signed-off-by: Amir Levy <alevy@codeaurora.org>

diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa.c b/drivers/platform/msm/ipa/ipa_v3/ipa.c
index 5b706b6..16e2b2a 100644 (file)
--- a/drivers/platform/msm/ipa/ipa_v3/ipa.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa.c
@@ -2276,6 +2276,36 @@ static int ipa3_q6_set_ex_path_to_apps(void)
                        desc[num_descs].len = cmd_pyld->len;
                        num_descs++;
                }
+
+               /* disable statuses for modem producers */
+               if (IPA_CLIENT_IS_Q6_PROD(client_idx)) {
+                       ipa_assert_on(num_descs >= ipa3_ctx->ipa_num_pipes);
+
+                       reg_write.skip_pipeline_clear = false;
+                       reg_write.pipeline_clear_options =
+                               IPAHAL_HPS_CLEAR;
+                       reg_write.offset =
+                               ipahal_get_reg_n_ofst(IPA_ENDP_STATUS_n,
+                                       ep_idx);
+                       reg_write.value = 0;
+                       reg_write.value_mask = ~0;
+                       cmd_pyld = ipahal_construct_imm_cmd(
+                               IPA_IMM_CMD_REGISTER_WRITE, &reg_write, false);
+                       if (!cmd_pyld) {
+                               IPAERR("fail construct register_write cmd\n");
+                               ipa_assert();
+                               return -EFAULT;
+                       }
+
+                       desc[num_descs].opcode = ipahal_imm_cmd_get_opcode(
+                               IPA_IMM_CMD_REGISTER_WRITE);
+                       desc[num_descs].type = IPA_IMM_CMD_DESC;
+                       desc[num_descs].callback = ipa3_destroy_imm;
+                       desc[num_descs].user1 = cmd_pyld;
+                       desc[num_descs].pyld = cmd_pyld->data;
+                       desc[num_descs].len = cmd_pyld->len;
+                       num_descs++;
+               }
        }
 
        /* Will wait 500msecs for IPA tag process completion */