Files
linux-nvgpu/drivers/gpu/nvgpu/gp106/fb_gp106.c
Sunny He 36c07aaf5d Revert "gpu: nvgpu: Reorg fb HAL initialization"
Conflicts with gv100 changes

This reverts commit 63b74d4b76.

Change-Id: I5e6a1c93ff613daaa100dee436f4941af74f0ac4
Signed-off-by: Sunny He <suhe@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1537671
Reviewed-by: Shu Zhong <shuz@nvidia.com>
Tested-by: Shu Zhong <shuz@nvidia.com>
2017-08-11 14:57:26 -07:00

51 lines
1.4 KiB
C

/*
* Copyright (c) 2016-2017, 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 "gk20a/gk20a.h"
#include "gp10b/fb_gp10b.h"
#include "fb_gp106.h"
#include <nvgpu/hw/gp106/hw_fb_gp106.h>
#define HW_SCRUB_TIMEOUT_DEFAULT 100 /* usec */
#define HW_SCRUB_TIMEOUT_MAX 2000000 /* usec */
static void gp106_fb_reset(struct gk20a *g)
{
u32 val;
int retries = HW_SCRUB_TIMEOUT_MAX / HW_SCRUB_TIMEOUT_DEFAULT;
/* wait for memory to be accessible */
do {
u32 w = gk20a_readl(g, fb_niso_scrub_status_r());
if (fb_niso_scrub_status_flag_v(w)) {
gk20a_dbg_fn("done");
break;
}
nvgpu_udelay(HW_SCRUB_TIMEOUT_DEFAULT);
} while (--retries);
val = gk20a_readl(g, fb_mmu_priv_level_mask_r());
val &= ~fb_mmu_priv_level_mask_write_violation_m();
gk20a_writel(g, fb_mmu_priv_level_mask_r(), val);
}
void gp106_init_fb(struct gpu_ops *gops)
{
gp10b_init_fb(gops);
gops->fb.init_fs_state = NULL;
gops->fb.reset = gp106_fb_reset;
}