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gpu: nvgpu: gp10b: Implement L2 query

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Bug 1567274

Change-Id: I0b8eaebc0949e70f6d8bfbb101048a3d95bec5e3
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/602858
Reviewed-by: Automatic_Commit_Validation_User
This commit is contained in:
Terje Bergstrom
2014-11-13 13:30:52 +02:00
committed by Deepak Nibade
parent 68ad020887
commit 7918de1c1b
5 changed files with 81 additions and 3 deletions
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1
drivers/gpu/nvgpu/gp10b/Makefile
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@@ -11,6 +11,7 @@ ccflags-$(CONFIG_GK20A) += -Wno-multichar
obj-$(CONFIG_GK20A) += \
gr_gp10b.o \
mc_gp10b.o \
ltc_gp10b.o \
hal_gp10b.o
obj-$(CONFIG_TEGRA_GK20A) += platform_gp10b_tegra.o

5
drivers/gpu/nvgpu/gp10b/hal_gp10b.c
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@@ -22,9 +22,9 @@
#include "gp10b/gr_gp10b.h"
#include "gp10b/mc_gp10b.h"
#include "gp10b/ltc_gp10b.h"
#include "gm20b/gr_gm20b.h"
#include "gm20b/ltc_gm20b.h"
#include "gm20b/fb_gm20b.h"
#include "gm20b/gm20b_gating_reglist.h"
#include "gm20b/fifo_gm20b.h"
@@ -89,9 +89,8 @@ int gp10b_init_hal(struct gk20a *g)
*gops = gp10b_ops;
gp10b_init_mc(gops);
gm20b_init_ltc(gops);
gp10b_init_gr(gops);
gm20b_init_ltc(gops);
gp10b_init_ltc(gops);
gm20b_init_fb(gops);
gm20b_init_fifo(gops);
gm20b_init_gr_ctx(gops);

12
drivers/gpu/nvgpu/gp10b/hw_ltc_gp10b.h
View File

@@ -494,4 +494,16 @@ static inline u32 ltc_ltc1_ltss_tstg_cmgmt1_clean_pending_f(void)
{
return 0x1;
}
static inline u32 ltc_ltc0_lts0_tstg_info_1_r(void)
{
return 0x0014058c;
}
static inline u32 ltc_ltc0_lts0_tstg_info_1_slice_size_in_kb_v(u32 r)
{
return (r >> 0) & 0xffff;
}
static inline u32 ltc_ltc0_lts0_tstg_info_1_slices_per_l2_v(u32 r)
{
return (r >> 16) & 0x1f;
}
#endif

47
drivers/gpu/nvgpu/gp10b/ltc_gp10b.c Normal file
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@@ -0,0 +1,47 @@
/*
* GP10B L2
*
* Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/types.h>
#include "gk20a/gk20a.h"
#include "gm20b/ltc_gm20b.h"
#include "hw_ltc_gp10b.h"
static int gp10b_determine_L2_size_bytes(struct gk20a *g)
{
u32 tmp;
int ret;
gk20a_dbg_fn("");
tmp = gk20a_readl(g, ltc_ltc0_lts0_tstg_info_1_r());
ret = g->ltc_count *
ltc_ltc0_lts0_tstg_info_1_slice_size_in_kb_v(tmp) *
ltc_ltc0_lts0_tstg_info_1_slices_per_l2_v(tmp);
gk20a_dbg(gpu_dbg_info, "L2 size: %d\n", ret);
gk20a_dbg_fn("done");
return ret;
}
void gp10b_init_ltc(struct gpu_ops *gops)
{
gm20b_init_ltc(gops);
gops->ltc.determine_L2_size_bytes = gp10b_determine_L2_size_bytes;
}

19
drivers/gpu/nvgpu/gp10b/ltc_gp10b.h Normal file
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@@ -0,0 +1,19 @@
/*
* Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef LTC_GP10B_H
#define LTC_GP10B_H
struct gpu_ops;
void gp10b_init_ltc(struct gpu_ops *gops);
#endif