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417bc8361a
FB reset was added for gk20a. It should be invoked also on gm20b. Change-Id: I0b074bc50a889108edae93d62b3194e54bfda881 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/765366
144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/*
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* GM20B GPC MMU
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*
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* Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <linux/types.h>
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#include "gk20a/gk20a.h"
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#include "gk20a/kind_gk20a.h"
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#include "gk20a/fb_gk20a.h"
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#include "hw_fb_gm20b.h"
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#include "hw_top_gm20b.h"
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#include "hw_gmmu_gm20b.h"
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static void fb_gm20b_init_fs_state(struct gk20a *g)
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{
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gk20a_dbg_info("initialize gm20b fb");
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gk20a_writel(g, fb_fbhub_num_active_ltcs_r(),
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g->ltc_count);
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}
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void gm20b_init_uncompressed_kind_map(void)
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{
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gk20a_init_uncompressed_kind_map();
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gk20a_uc_kind_map[gmmu_pte_kind_s8_v()] =
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gk20a_uc_kind_map[gmmu_pte_kind_s8_2s_v()] =
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gmmu_pte_kind_s8_v();
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}
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static bool gm20b_kind_supported(u8 k)
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{
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return k == gmmu_pte_kind_smsked_message_v()
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|| (k >= gmmu_pte_kind_s8_v() &&
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k <= gmmu_pte_kind_s8_2s_v());
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}
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static bool gm20b_kind_z(u8 k)
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{
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return (k >= gmmu_pte_kind_s8_v() &&
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k <= gmmu_pte_kind_s8_2s_v());
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}
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static bool gm20b_kind_compressible(u8 k)
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{
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return (k >= gmmu_pte_kind_s8_v() &&
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k <= gmmu_pte_kind_s8_2s_v());
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}
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static bool gm20b_kind_zbc(u8 k)
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{
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return (k >= gmmu_pte_kind_s8_v() &&
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k <= gmmu_pte_kind_s8_2s_v());
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}
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void gm20b_init_kind_attr(void)
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{
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u16 k;
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gk20a_init_kind_attr();
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for (k = 0; k < 256; k++) {
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if (gm20b_kind_supported((u8)k))
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gk20a_kind_attr[k] |= GK20A_KIND_ATTR_SUPPORTED;
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if (gm20b_kind_compressible((u8)k))
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gk20a_kind_attr[k] |= GK20A_KIND_ATTR_COMPRESSIBLE;
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if (gm20b_kind_z((u8)k))
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gk20a_kind_attr[k] |= GK20A_KIND_ATTR_Z;
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if (gm20b_kind_zbc((u8)k))
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gk20a_kind_attr[k] |= GK20A_KIND_ATTR_ZBC;
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}
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}
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static void gm20b_fb_set_mmu_page_size(struct gk20a *g)
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{
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/* set large page size in fb */
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u32 fb_mmu_ctrl = gk20a_readl(g, fb_mmu_ctrl_r());
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fb_mmu_ctrl |= fb_mmu_ctrl_use_pdb_big_page_size_true_f();
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gk20a_writel(g, fb_mmu_ctrl_r(), fb_mmu_ctrl);
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}
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static int gm20b_fb_compression_page_size(struct gk20a *g)
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{
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return SZ_128K;
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}
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static int gm20b_fb_compressible_page_size(struct gk20a *g)
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{
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return SZ_64K;
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}
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static void gm20b_fb_dump_vpr_wpr_info(struct gk20a *g)
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{
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u32 val;
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/* print vpr and wpr info */
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val = gk20a_readl(g, fb_mmu_vpr_info_r());
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val &= ~0x3;
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val |= fb_mmu_vpr_info_index_addr_lo_v();
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gk20a_writel(g, fb_mmu_vpr_info_r(), val);
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gk20a_err(dev_from_gk20a(g), "VPR: %08x %08x %08x %08x",
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gk20a_readl(g, fb_mmu_vpr_info_r()),
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gk20a_readl(g, fb_mmu_vpr_info_r()),
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gk20a_readl(g, fb_mmu_vpr_info_r()),
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gk20a_readl(g, fb_mmu_vpr_info_r()));
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val = gk20a_readl(g, fb_mmu_wpr_info_r());
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val &= ~0xf;
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val |= (fb_mmu_wpr_info_index_allow_read_v());
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gk20a_writel(g, fb_mmu_wpr_info_r(), val);
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gk20a_err(dev_from_gk20a(g), "WPR: %08x %08x %08x %08x %08x %08x",
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gk20a_readl(g, fb_mmu_wpr_info_r()),
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gk20a_readl(g, fb_mmu_wpr_info_r()),
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gk20a_readl(g, fb_mmu_wpr_info_r()),
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gk20a_readl(g, fb_mmu_wpr_info_r()),
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gk20a_readl(g, fb_mmu_wpr_info_r()),
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gk20a_readl(g, fb_mmu_wpr_info_r()));
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}
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void gm20b_init_fb(struct gpu_ops *gops)
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{
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gops->fb.reset = fb_gk20a_reset;
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gops->fb.init_fs_state = fb_gm20b_init_fs_state;
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gops->fb.set_mmu_page_size = gm20b_fb_set_mmu_page_size;
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gops->fb.compression_page_size = gm20b_fb_compression_page_size;
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gops->fb.compressible_page_size = gm20b_fb_compressible_page_size;
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gops->fb.dump_vpr_wpr_info = gm20b_fb_dump_vpr_wpr_info;
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gm20b_init_uncompressed_kind_map();
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gm20b_init_kind_attr();
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}
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