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Commit 8c256e02 authored by Jagadeesh Ponduru's avatar Jagadeesh Ponduru
Browse files

msm: ipa3: Add change to not reset HOLB timer 



For Q6 endpoints add change to not reset the HOLB timer
value to zero instead of default value. Add change to
enable HOLB twice for IPA 4.x targets.

Change-Id: Ic9596e711b037d24ae25835cb6dd193ec040d723
Signed-off-by: default avatarPraveen Kurapati <pkurapat@codeaurora.org>
Signed-off-by: default avatarJagadeesh Ponduru <jponduru@codeaurora.org>
parent 7db2d04a

drivers/platform/msm/ipa/ipa_v3/ipa.c

+7 −5
Original line number Diff line number Diff line
@@ -3566,16 +3566,18 @@ static void ipa3_q6_avoid_holb(void) 
			 * setting HOLB on Q6 pipes, and from APPS perspective

			 * they are not valid, therefore, the above function

			 * will fail.

			 * Also don't reset the HOLB timer to 0 for Q6 pipes.

			 */

			ipahal_write_reg_n_fields(

				IPA_ENDP_INIT_HOL_BLOCK_TIMER_n,

				ep_idx, &ep_holb);





			ipahal_write_reg_n_fields(

				IPA_ENDP_INIT_HOL_BLOCK_EN_n,

				ep_idx, &ep_holb);



			/* IPA4.5 issue requires HOLB_EN to be written twice */

			if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_5)

			/* For targets > IPA_4.0 issue requires HOLB_EN to 

			 * be written twice.

			 */

			if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_0)

				ipahal_write_reg_n_fields(

					IPA_ENDP_INIT_HOL_BLOCK_EN_n,

					ep_idx, &ep_holb);

drivers/platform/msm/ipa/ipa_v3/ipa_client.c

+4 −2
Original line number Diff line number Diff line
@@ -1497,8 +1497,10 @@ int ipa3_set_reset_client_cons_pipe_sus_holb(bool set_reset, u32 tmr_val, 
			IPA_ENDP_INIT_HOL_BLOCK_EN_n,

			pipe_idx, &ep_holb);



		/* IPA4.5 issue requires HOLB_EN to be written twice */

		if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_5)

		/* For targets > IPA_4.0 issue requires HOLB_EN to be

		 * written twice.

		 */

		if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_0)

			ipahal_write_reg_n_fields(

				IPA_ENDP_INIT_HOL_BLOCK_EN_n,

				pipe_idx, &ep_holb);

drivers/platform/msm/ipa/ipa_v3/ipa_utils.c

+2 −2
Original line number Diff line number Diff line
@@ -6332,8 +6332,8 @@ int ipa3_cfg_ep_holb(u32 clnt_hdl, const struct ipa_ep_cfg_holb *ep_holb) 
	ipa3_ctx->ep[clnt_hdl].holb.en = IPA_HOLB_TMR_EN;

	ipahal_write_reg_n_fields(IPA_ENDP_INIT_HOL_BLOCK_EN_n,

		clnt_hdl, ep_holb);

	/* IPA4.5 issue requires HOLB_EN to be written twice */

	if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_5)

	/* For targets > IPA_4.0 issue requires HOLB_EN to be written twice */

	if (ipa3_ctx->ipa_hw_type >= IPA_HW_v4_0)

		ipahal_write_reg_n_fields(IPA_ENDP_INIT_HOL_BLOCK_EN_n,

			clnt_hdl, ep_holb);