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Commit cb2579bc authored by Ravinder Konka's avatar Ravinder Konka
Browse files

msm: ipa: adjust the RX replenish threshold for APPS_LAN_CONS pipe 



Replenish threshold of APPS_LAN_CONS pipe will not be updated as
IPA WM values are updated only after Uc is loaded. Make changes to
update the relenish threshold after WM values are updated.

Change-Id: I2d4324c906f3cb6df5e59042e0922cf7fdef9813
Acked-by: default avatarChaitanya Pratapa <cpratapa@qti.qualcomm.com>
Acked-by: default avatarDavid Arinzon <darinzon@qti.qualcomm.com>
Signed-off-by: default avatarRavinder Konka <rkonka@codeaurora.org>
Signed-off-by: default avatarSivan Reinstein <sivanr@codeaurora.org>
parent 45f1dede

drivers/platform/msm/ipa/ipa_v2/ipa_dp.c

+36 −0
Original line number Diff line number Diff line
@@ -899,6 +899,36 @@ static void switch_to_intr_rx_work_func(struct work_struct *work) 
	ipa_handle_rx(sys);

}



/**

 * ipa_update_repl_threshold()- Update the repl_threshold for the client.

 *

 * Return value: None.

 */

void ipa_update_repl_threshold(enum ipa_client_type ipa_client)

{

	int ep_idx;

	struct ipa_ep_context *ep;



	/* Check if ep is valid. */

	ep_idx = ipa2_get_ep_mapping(ipa_client);

	if (ep_idx == -1) {

		IPADBG("Invalid IPA client\n");

		return;

	}



	ep = &ipa_ctx->ep[ep_idx];

	if (!ep->valid) {

		IPADBG("EP not valid/Not applicable for client.\n");

		return;

	}

	/*

	 * Determine how many buffers/descriptors remaining will

	 * cause to drop below the yellow WM bar.

	 */

	ep->rx_replenish_threshold = ipa_get_sys_yellow_wm()

					/ ep->sys->rx_buff_sz;

}



/**

 * ipa2_setup_sys_pipe() - Setup an IPA end-point in system-BAM mode and perform

 * IPA EP configuration
@@ -1081,6 +1111,12 @@ int ipa2_setup_sys_pipe(struct ipa_sys_connect_params *sys_in, u32 *clnt_hdl) 
		 */

		ep->rx_replenish_threshold = ipa_get_sys_yellow_wm()

						/ ep->sys->rx_buff_sz;

		/* Only when the WAN pipes are setup, actual threshold will

		 * be read from the register. So update LAN_CONS ep again with

		 * right value.

		 */

		if (sys_in->client == IPA_CLIENT_APPS_WAN_CONS)

			ipa_update_repl_threshold(IPA_CLIENT_APPS_LAN_CONS);

	} else {

		ep->connect.mode = SPS_MODE_DEST;

		ep->connect.source = SPS_DEV_HANDLE_MEM;

drivers/platform/msm/ipa/ipa_v2/ipa_i.h

+1 −3
Original line number Diff line number Diff line
@@ -1939,7 +1939,5 @@ struct device *ipa2_get_dma_dev(void); 
int ipa2_release_wdi_mapping(u32 num_buffers, struct ipa_wdi_buffer_info *info);

int ipa2_create_wdi_mapping(u32 num_buffers, struct ipa_wdi_buffer_info *info);

void ipa_suspend_apps_pipes(bool suspend);







void ipa_update_repl_threshold(enum ipa_client_type ipa_client);

#endif /* _IPA_I_H_ */