mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 09:12:24 +03:00
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <nvgpu/io.h>
|
|
#include <nvgpu/timers.h>
|
|
#include <nvgpu/gk20a.h>
|
|
|
|
#include "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 */
|
|
|
|
void gp106_fb_init_fs_state(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) != 0U) {
|
|
nvgpu_log_fn(g, "done");
|
|
break;
|
|
}
|
|
nvgpu_udelay(HW_SCRUB_TIMEOUT_DEFAULT);
|
|
--retries;
|
|
} while (retries != 0);
|
|
|
|
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);
|
|
}
|
|
|
|
#ifdef CONFIG_NVGPU_DGPU
|
|
size_t gp106_fb_get_vidmem_size(struct gk20a *g)
|
|
{
|
|
u32 range = gk20a_readl(g, fb_mmu_local_memory_range_r());
|
|
u32 mag = fb_mmu_local_memory_range_lower_mag_v(range);
|
|
u32 scale = fb_mmu_local_memory_range_lower_scale_v(range);
|
|
u32 ecc = fb_mmu_local_memory_range_ecc_mode_v(range);
|
|
size_t bytes = ((size_t)mag << scale) * SZ_1M;
|
|
|
|
if (ecc != 0U) {
|
|
bytes = bytes / 16U * 15U;
|
|
}
|
|
|
|
return bytes;
|
|
}
|
|
#endif
|