mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-25 02:52:51 +03:00
1ffbb2996f
Disable reporting of write privilege violation on FB MMU registers. Bug 1846641 Change-Id: I011385c5b06bbb2dcc8d4521236a04a8be5dd34e Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1471463 Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
|
|
* Copyright (c) 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 "gk20a/gk20a.h"
|
|
#include "gp10b/fb_gp10b.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;
|
|
}
|