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/*
* Copyright (c) 2015-2016, 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/kernel.h>
#include "gk20a/hw_gr_gk20a.h"
#include "gk20a/gk20a.h"
#include "vgpu/vgpu.h"
#include "vgpu_gr_gk20a.h"
static void vgpu_gk20a_detect_sm_arch(struct gk20a *g)
{
u32 v = 0, raw_version, version = 0;
gk20a_dbg_fn("");
if (vgpu_get_attribute(vgpu_get_handle(g),
TEGRA_VGPU_ATTRIB_GPC0_TPC0_SM_ARCH, &v))
gk20a_err(dev_from_gk20a(g), "failed to retrieve SM arch");
raw_version = gr_gpc0_tpc0_sm_arch_spa_version_v(v);
if (raw_version == gr_gpc0_tpc0_sm_arch_spa_version_smkepler_lp_v())
version = 0x320; /* SM 3.2 */
else
gk20a_err(dev_from_gk20a(g), "Unknown SM version 0x%x",
raw_version);
/* on Kepler, SM version == SPA version */
g->gpu_characteristics.sm_arch_spa_version = version;
g->gpu_characteristics.sm_arch_sm_version = version;
g->gpu_characteristics.sm_arch_warp_count =
gr_gpc0_tpc0_sm_arch_warp_count_v(v);
}
static int vgpu_gk20a_init_fs_state(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
u32 tpc_index, gpc_index;
u32 sm_id = 0;
gk20a_dbg_fn("");
for (tpc_index = 0; tpc_index < gr->max_tpc_per_gpc_count;
tpc_index++) {
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
if (tpc_index < gr->gpc_tpc_count[gpc_index]) {
g->gr.sm_to_cluster[sm_id].tpc_index =
tpc_index;
g->gr.sm_to_cluster[sm_id].gpc_index =
gpc_index;
sm_id++;
}
}
}
gr->no_of_sm = sm_id;
return 0;
}
void vgpu_gk20a_init_gr_ops(struct gpu_ops *gops)
{
gops->gr.detect_sm_arch = vgpu_gk20a_detect_sm_arch;
gops->gr.init_fs_state = vgpu_gk20a_init_fs_state;
}
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