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Commit e5c1ae80 authored by Vikash Garodia's avatar Vikash Garodia
Browse files

msm: vidc: set ib bandwidth for holi 



For holi, there is a requirement to vote for ib
bandwidth as twice the ab. Configuring the same.

Change-Id: Idccc40669c8d84bbe9a1f536ea230c2f1cae6662
Signed-off-by: default avatarVikash Garodia <vgarodia@codeaurora.org>
parent bfbb4c1a

msm/vidc/hfi_common.c

+27 −22
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.

 */



#include <asm/dma-iommu.h>
@@ -990,20 +990,22 @@ static void __set_registers(struct venus_hfi_device *device, u32 sid) 
	}

}



static int __vote_bandwidth(struct bus_info *bus,

	unsigned long bw_kbps, u32 sid)

static int __vote_bandwidth(struct bus_info *bus, unsigned long ab_kbps,

			    unsigned long ib_kbps, u32 sid)

{

	int rc = 0;

	uint64_t ab = 0;

	uint64_t ab = 0, ib = 0;



	/* Bus Driver expects values in Bps */

	ab = bw_kbps * 1000;

	s_vpr_p(sid, "Voting bus %s to ab %llu bps\n", bus->name, ab);

	rc = msm_bus_scale_update_bw(bus->client, ab, 0);

	ab = ab_kbps * 1000;

	ib = ib_kbps * 1000;

	s_vpr_p(sid, "Voting bus %s to ab %llu ib %llu bps\n",

						bus->name, ab, ib);

	rc = msm_bus_scale_update_bw(bus->client, ab, ib);

	if (rc)

		s_vpr_e(sid, "Failed voting bus %s to ab %llu, rc=%d\n",

				bus->name, ab, rc);



		s_vpr_e(sid,

			"Failed voting bus %s to ab %llu ib %llu bps rc=%d\n",

			bus->name, ab, ib, rc);

	return rc;

}
@@ -1015,7 +1017,7 @@ int __unvote_buses(struct venus_hfi_device *device, u32 sid) 
	device->bus_vote = DEFAULT_BUS_VOTE;



	venus_hfi_for_each_bus(device, bus) {

		rc = __vote_bandwidth(bus, 0, sid);

		rc = __vote_bandwidth(bus, 0, 0, sid);

		if (rc)

			goto err_unknown_device;

	}
@@ -1029,7 +1031,7 @@ static int __vote_buses(struct venus_hfi_device *device, 
{

	int rc = 0;

	struct bus_info *bus = NULL;

	unsigned long bw_kbps = 0, bw_prev = 0;

	unsigned long ab_kbps = 0, ib_kbps = 0, bw_prev = 0;

	enum vidc_bus_type type;



	venus_hfi_for_each_bus(device, bus) {
@@ -1037,33 +1039,36 @@ static int __vote_buses(struct venus_hfi_device *device, 
			type = get_type_frm_name(bus->name);



			if (type == DDR) {

				bw_kbps = bw_ddr;

				ab_kbps = bw_ddr;

				bw_prev = device->bus_vote.total_bw_ddr;

			} else if (type == LLCC) {

				bw_kbps = bw_llcc;

				ab_kbps = bw_llcc;

				bw_prev = device->bus_vote.total_bw_llcc;

			} else {

				bw_kbps = bus->range[1];

				ab_kbps = bus->range[1];

				bw_prev = device->bus_vote.total_bw_ddr ?

						bw_kbps : 0;

						ab_kbps : 0;

			}



			/* ensure freq is within limits */

			bw_kbps = clamp_t(typeof(bw_kbps), bw_kbps,

			ab_kbps = clamp_t(typeof(ab_kbps), ab_kbps,

				bus->range[0], bus->range[1]);



			if (TRIVIAL_BW_CHANGE(bw_kbps, bw_prev) && bw_prev) {

			if (TRIVIAL_BW_CHANGE(ab_kbps, bw_prev) && bw_prev) {

				s_vpr_l(sid, "Skip voting bus %s to %llu bps",

					bus->name, bw_kbps * 1000);

					bus->name, ab_kbps * 1000);

				continue;

			}



			rc = __vote_bandwidth(bus, bw_kbps, sid);

			if (device->res->vpu_ver == VPU_VERSION_AR50_LITE)

				ib_kbps = 2 * ab_kbps;



			rc = __vote_bandwidth(bus, ab_kbps, ib_kbps, sid);



			if (type == DDR)

				device->bus_vote.total_bw_ddr = bw_kbps;

				device->bus_vote.total_bw_ddr = ab_kbps;

			else if (type == LLCC)

				device->bus_vote.total_bw_llcc = bw_kbps;

				device->bus_vote.total_bw_llcc = ab_kbps;

		} else {

			s_vpr_e(sid, "No BUS to Vote\n");

		}