nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-23 01:50:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: Skip graphics unit access when MIG is enabled

Browse Source 
This CL covers the following modifications,
1) Added logic to skip the graphics unit specific sw context load
   register write during context creation when MIG is enabled.
2) Added logic to skip the graphics unit specific sw method
   register write when MIG is enabled.
3) Added logic to skip the graphics unit specific slcg and blcg gr
   register write when MIG is enabled.
4) Fixed some priv errors observed during MIG boot.
5) Added MIG Physical support for GPU count < 1.
6) Host clk register access is not allowed for GA100.
   So skipped to access host clk register.
7) Added utiliy api - nvgpu_gr_exec_with_ret_for_all_instances()
8) Added gr_pri_mme_shadow_ram_index_nvclass_v() reg field
   to identify the sw method class number.

Bug 200649233

Change-Id: Ie434226f007ee5df75a506fedeeb10c3d6e227a3
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2549811
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Lakshmanan M
2021-06-25 13:26:33 +05:30
committed by mobile promotions
parent 0526e7eaa9
commit e9872a0d91
22 changed files with 277 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/nvgpu/os/linux/module.c
View File

@@ -456,7 +456,9 @@ int gk20a_pm_finalize_poweron(struct device *dev)
#ifdef CONFIG_NVGPU_DGPU
if (nvgpu_is_enabled(g, NVGPU_SUPPORT_DGPU_PCIE_SCRIPT_EXECUTE) &&
nvgpu_platform_is_silicon(g)) {
g->ops.clk.change_host_clk_source(g);
if (g->ops.clk.change_host_clk_source != NULL) {
g->ops.clk.change_host_clk_source(g);
}
g->ops.xve.devinit_deferred_settings(g);
}