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Commit 950f5925 authored by Kyle Piefer's avatar Kyle Piefer Committed by Gerrit - the friendly Code Review server
Browse files

msm: kgsl: Send HFI test message during HFI start 



To enable the IFPC feature, a test HFI must be sent
as the last HFI message during HFI start.

CRs-Fixed: 2085877
Change-Id: I22080b643d0176c95fa684fb5bd94234fcc3aacf
Signed-off-by: default avatarKyle Piefer <kpiefer@codeaurora.org>
parent cd538dbf

drivers/gpu/msm/kgsl_hfi.c

+25 −2
Original line number Diff line number Diff line
@@ -454,6 +454,22 @@ int hfi_send_bwtbl(struct gmu_device *gmu) 
	return rc;

}



static int hfi_send_test(struct gmu_device *gmu)

{

	struct hfi_test_cmd test_msg = {

		.hdr = {

			.id = H2F_MSG_TEST,

			.size = sizeof(test_msg) >> 2,

			.type = HFI_MSG_CMD,

		},

	};

	uint32_t msg_size_dwords = (sizeof(test_msg)) >> 2;

	struct pending_msg msg;



	return hfi_send_msg(gmu, (struct hfi_msg_hdr *)&test_msg.hdr,

			msg_size_dwords, &msg);

}



int hfi_send_dcvs_vote(struct gmu_device *gmu, uint32_t perf_idx,

		uint32_t bw_idx, enum rpm_ack_type ack_type)

{
@@ -614,12 +630,19 @@ int hfi_start(struct gmu_device *gmu, uint32_t boot_state) 


		result = hfi_send_lmconfig(gmu);

		if (result) {

			dev_err(dev, "Failire enabling limits management (%d)\n",

			dev_err(dev, "Failure enabling LM (%d)\n",

					result);

			return result;

		}

	}



	/* Tell the GMU we are sending no more HFIs until the next boot */

	if (ADRENO_QUIRK(adreno_dev, ADRENO_QUIRK_HFI_USE_REG)) {

		result = hfi_send_test(gmu);

		if (result)

			return result;

	}



	set_bit(GMU_HFI_ON, &gmu->flags);

	return 0;

}

drivers/gpu/msm/kgsl_hfi.h

+4 −0
Original line number Diff line number Diff line
@@ -228,6 +228,10 @@ struct hfi_bwtable_cmd { 
	uint32_t ddr_cmd_data[MAX_GX_LEVELS][MAX_BW_CMDS];

};



struct hfi_test_cmd {

	struct hfi_msg_hdr hdr;

};



struct arc_vote_desc {

	/* In case of GPU freq vote, primary is GX, secondary is MX

	 * in case of GMU freq vote, primary is CX, secondary is MX