mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-23 18:16:01 +03:00
3e43f92f21
Mass copy ga10b & ga100 sources from nvgpu-next repo. TOP COMMIT-ID: 98f530e6924c844a1bf46816933a7fe015f3cce1 Jira NVGPU-4771 Change-Id: Ibf7102e9208133f8ef3bd3a98381138d5396d831 Signed-off-by: Sagar Kadamati <skadamati@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2524817 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com> Reviewed-by: Debarshi Dutta <ddutta@nvidia.com> Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
|
|
* GA100 FB
|
|
*
|
|
* Copyright (c) 2020, 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/nvgpu_init.h>
|
|
#include <nvgpu/timers.h>
|
|
#include <nvgpu/gk20a.h>
|
|
#include <nvgpu/sizes.h>
|
|
|
|
#include "hal/fb/fb_ga100.h"
|
|
#include <nvgpu/hw/ga100/hw_fb_ga100.h>
|
|
|
|
#define SIZE_256K (SZ_1K << 8U)
|
|
|
|
#define HW_SCRUB_TIMEOUT_DEFAULT 100 /* usec */
|
|
#define HW_SCRUB_TIMEOUT_MAX 2000000 /* usec */
|
|
|
|
void ga100_fb_init_fs_state(struct gk20a *g)
|
|
{
|
|
u32 retries = HW_SCRUB_TIMEOUT_MAX / HW_SCRUB_TIMEOUT_DEFAULT;
|
|
/* wait for memory to be accessible */
|
|
do {
|
|
u32 w = nvgpu_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);
|
|
|
|
}
|
|
|
|
#ifdef CONFIG_NVGPU_COMPRESSION
|
|
u64 ga100_fb_compression_page_size(struct gk20a *g)
|
|
{
|
|
return SIZE_256K;
|
|
}
|
|
|
|
bool ga100_fb_is_comptagline_mode_enabled(struct gk20a *g)
|
|
{
|
|
u32 reg = 0U;
|
|
bool result = true;
|
|
|
|
gk20a_busy_noresume(g);
|
|
if (nvgpu_is_powered_off(g)) {
|
|
goto done;
|
|
}
|
|
|
|
reg = nvgpu_readl(g, fb_mmu_hypervisor_ctl_r());
|
|
|
|
result = (fb_mmu_hypervisor_ctl_force_cbc_raw_mode_v(reg) ==
|
|
fb_mmu_hypervisor_ctl_force_cbc_raw_mode_disable_v());
|
|
|
|
done:
|
|
gk20a_idle_nosuspend(g);
|
|
return result;
|
|
}
|
|
#endif
|