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/*
* Copyright (c) 2015, 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"
static void vgpu_gk20a_detect_sm_arch(struct gk20a *g)
{
struct gk20a_platform *platform = gk20a_get_platform(g->dev);
u32 v = 0, raw_version, version = 0;
gk20a_dbg_fn("");
if (vgpu_get_attribute(platform->virt_handle,
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);
}
void vgpu_gk20a_init_gr_ops(struct gpu_ops *gops)
{
gops->gr.detect_sm_arch = vgpu_gk20a_detect_sm_arch;
}
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