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gpu: nvgpu: linux: Disable diversity related support

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SM and CE diversities are safety only features.
Hence, we do not require to expose their ioctl and diversity
related flags for Linux.

JIRA NVGPU-4133
Bug 2776580

Change-Id: Icc3cc04734ffdcd901222206fca9a3594340d0e1
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2258872
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Lakshmanan M
2019-12-10 10:11:11 +05:30
committed by Alex Waterman
parent 80f408632a
commit d0bc8237e3
3 changed files with 2 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/nvgpu/os/linux/ioctl_channel.c
View File

@@ -1133,16 +1133,6 @@ long gk20a_channel_ioctl(struct file *filp,
struct nvgpu_alloc_obj_ctx_args *args =
(struct nvgpu_alloc_obj_ctx_args *)buf;
if (nvgpu_is_enabled(ch->g, NVGPU_SUPPORT_SM_DIVERSITY)) {
if (args->sm_diversity_config >=
ch->g->max_sm_diversity_config_count) {
err = -EINVAL;
break;
}
} else {
args->sm_diversity_config = 0U;
}
err = gk20a_busy(ch->g);
if (err) {
dev_err(dev,

17
drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
View File

@@ -248,11 +248,7 @@ static struct nvgpu_flags_mapping flags_mapping[] = {
{NVGPU_GPU_FLAGS_SUPPORT_SET_CTX_MMU_DEBUG_MODE,
NVGPU_SUPPORT_SET_CTX_MMU_DEBUG_MODE},
{NVGPU_GPU_FLAGS_SUPPORT_FAULT_RECOVERY,
NVGPU_SUPPORT_FAULT_RECOVERY},
{NVGPU_GPU_FLAGS_SUPPORT_COPY_ENGINE_DIVERSITY,
NVGPU_SUPPORT_COPY_ENGINE_DIVERSITY},
{NVGPU_GPU_FLAGS_SUPPORT_SM_DIVERSITY,
NVGPU_SUPPORT_SM_DIVERSITY}
NVGPU_SUPPORT_FAULT_RECOVERY}
};
static u64 nvgpu_ctrl_ioctl_gpu_characteristics_flags(struct gk20a *g)
@@ -323,8 +319,6 @@ gk20a_ctrl_ioctl_gpu_characteristics(
gpu.num_tpc_per_gpc = nvgpu_gr_config_get_max_tpc_per_gpc_count(gr_config);
gpu.max_sm_diversity_config_count = g->max_sm_diversity_config_count;
gpu.bus_type = NVGPU_GPU_BUS_TYPE_AXI; /* always AXI for now */
gpu.compression_page_size = g->ops.fb.compression_page_size(g);
@@ -853,15 +847,6 @@ static int gk20a_ctrl_vsm_mapping(struct gk20a *g,
struct nvgpu_gr_config *gr_config = nvgpu_gr_get_config_ptr(g);
u32 i;
if (nvgpu_is_enabled(g, NVGPU_SUPPORT_SM_DIVERSITY)) {
if (args->sm_diversity_config >=
g->max_sm_diversity_config_count) {
return -EINVAL;
}
} else {
args->sm_diversity_config = 0U;
}
vsms_buf = nvgpu_kzalloc(g, write_size);
if (vsms_buf == NULL)
return -ENOMEM;