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Commit 54b6ad85 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "msm: gsi: add support for prefetch escape buffer only"

parents 3fb7aae1 7be8c3b4

drivers/platform/msm/gsi/gsi.c

+4 −0
Original line number Diff line number Diff line
@@ -1635,6 +1635,10 @@ static void gsi_program_chan_ctx(struct gsi_chan_props *props, unsigned int ee, 
			 GSI_EE_n_GSI_CH_k_QOS_MAX_PREFETCH_BMSK) |

		((props->use_db_eng << GSI_EE_n_GSI_CH_k_QOS_USE_DB_ENG_SHFT) &

			 GSI_EE_n_GSI_CH_k_QOS_USE_DB_ENG_BMSK));

	if (gsi_ctx->per.ver >= GSI_VER_2_0)

		val |= ((props->prefetch_mode <<

			GSI_EE_n_GSI_CH_k_QOS_USE_ESCAPE_BUF_ONLY_SHFT)

			& GSI_EE_n_GSI_CH_k_QOS_USE_ESCAPE_BUF_ONLY_BMSK);

	gsi_writel(val, gsi_ctx->base +

			GSI_EE_n_GSI_CH_k_QOS_OFFS(props->ch_id, ee));

}

drivers/platform/msm/gsi/gsi_reg.h

+3 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -1124,6 +1124,8 @@ 
#define GSI_EE_n_GSI_CH_k_QOS_RMSK 0x303

#define GSI_EE_n_GSI_CH_k_QOS_MAXk 30

#define GSI_EE_n_GSI_CH_k_QOS_MAXn 3

#define GSI_EE_n_GSI_CH_k_QOS_USE_ESCAPE_BUF_ONLY_BMSK 0x400

#define GSI_EE_n_GSI_CH_k_QOS_USE_ESCAPE_BUF_ONLY_SHFT 0xa

#define GSI_EE_n_GSI_CH_k_QOS_USE_DB_ENG_BMSK 0x200

#define GSI_EE_n_GSI_CH_k_QOS_USE_DB_ENG_SHFT 0x9

#define GSI_EE_n_GSI_CH_k_QOS_MAX_PREFETCH_BMSK 0x100

include/linux/msm_gsi.h

+6 −0
Original line number Diff line number Diff line
@@ -219,6 +219,11 @@ enum gsi_max_prefetch { 
	GSI_TWO_PREFETCH_SEG = 0x1

};



enum gsi_prefetch_mode {

	GSI_USE_PREFETCH_BUFS = 0x0,

	GSI_ESCAPE_BUF_ONLY = 0x1

};



enum gsi_chan_evt {

	GSI_CHAN_EVT_INVALID = 0x0,

	GSI_CHAN_EVT_SUCCESS = 0x1,
@@ -357,6 +362,7 @@ struct gsi_chan_props { 
	enum gsi_chan_use_db_eng use_db_eng;

	enum gsi_max_prefetch max_prefetch;

	uint8_t low_weight;

	enum gsi_prefetch_mode prefetch_mode;

	void (*xfer_cb)(struct gsi_chan_xfer_notify *notify);

	void (*err_cb)(struct gsi_chan_err_notify *notify);

	void *chan_user_data;