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gpu: nvgpu: remove partial mapping capability flag

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Remove NVGPU_SUPPORT_PARTIAL_MAPPINGS kernel flag and the
corresponding uapi gpu charaacteristics flag
NVGPU_GPU_FLAGS_SUPPORT_PARTIAL_MAPPINGS. This functionality is
supported by fixed mapping ioctl by default.

Jira NVGPU-9832
Bug 4034184

Change-Id: Ie887c753f152afb6a4a1e4aafb5f8f6fd3b7b398
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2879793
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Shashank Singh
2023-03-30 08:54:14 +00:00
committed by mobile promotions
parent 7cab0e7124
commit 28cbdcde73
4 changed files with 0 additions and 7 deletions
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2
drivers/gpu/nvgpu/include/nvgpu/enabled.h
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@@ -72,8 +72,6 @@ struct gk20a;
"User-space managed address spaces support"), \ "User-space managed address spaces support"), \
DEFINE_FLAG(NVGPU_SUPPORT_IO_COHERENCE, \ DEFINE_FLAG(NVGPU_SUPPORT_IO_COHERENCE, \
"IO coherence support is available"), \ "IO coherence support is available"), \
DEFINE_FLAG(NVGPU_SUPPORT_PARTIAL_MAPPINGS, \
"MAP_BUFFER_EX with partial mappings"), \
DEFINE_FLAG(NVGPU_SUPPORT_SPARSE_ALLOCS, \ DEFINE_FLAG(NVGPU_SUPPORT_SPARSE_ALLOCS, \
"MAP_BUFFER_EX with sparse allocations"), \ "MAP_BUFFER_EX with sparse allocations"), \
DEFINE_FLAG(NVGPU_SUPPORT_MAP_DIRECT_KIND_CTRL, \ DEFINE_FLAG(NVGPU_SUPPORT_MAP_DIRECT_KIND_CTRL, \

2
drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
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@@ -226,8 +226,6 @@ static struct nvgpu_flags_mapping flags_mapping[] = {
NVGPU_CAN_RAILGATE}, NVGPU_CAN_RAILGATE},
{NVGPU_GPU_FLAGS_HAS_SYNCPOINTS, {NVGPU_GPU_FLAGS_HAS_SYNCPOINTS,
NVGPU_HAS_SYNCPOINTS}, NVGPU_HAS_SYNCPOINTS},
{NVGPU_GPU_FLAGS_SUPPORT_PARTIAL_MAPPINGS,
NVGPU_SUPPORT_PARTIAL_MAPPINGS},
{NVGPU_GPU_FLAGS_SUPPORT_SPARSE_ALLOCS, {NVGPU_GPU_FLAGS_SUPPORT_SPARSE_ALLOCS,
NVGPU_SUPPORT_SPARSE_ALLOCS}, NVGPU_SUPPORT_SPARSE_ALLOCS},
{NVGPU_GPU_FLAGS_SUPPORT_SYNC_FENCE_FDS, {NVGPU_GPU_FLAGS_SUPPORT_SYNC_FENCE_FDS,

1
drivers/gpu/nvgpu/os/linux/module.c
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@@ -351,7 +351,6 @@ void gk20a_init_linux_characteristics(struct gk20a *g)
{ {
struct device *dev = dev_from_gk20a(g); struct device *dev = dev_from_gk20a(g);
nvgpu_set_enabled(g, NVGPU_SUPPORT_PARTIAL_MAPPINGS, true);
nvgpu_set_enabled(g, NVGPU_SUPPORT_DETERMINISTIC_OPTS, true); nvgpu_set_enabled(g, NVGPU_SUPPORT_DETERMINISTIC_OPTS, true);
nvgpu_set_enabled(g, NVGPU_SUPPORT_USERSPACE_MANAGED_AS, true); nvgpu_set_enabled(g, NVGPU_SUPPORT_USERSPACE_MANAGED_AS, true);
nvgpu_set_enabled(g, NVGPU_SUPPORT_REMAP, true); nvgpu_set_enabled(g, NVGPU_SUPPORT_REMAP, true);

2
include/uapi/linux/nvgpu-ctrl.h
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@@ -95,8 +95,6 @@ struct nvgpu_gpu_zbc_query_table_args {
#define NVGPU_GPU_BUS_TYPE_AXI 32 #define NVGPU_GPU_BUS_TYPE_AXI 32
#define NVGPU_GPU_FLAGS_HAS_SYNCPOINTS (1ULL << 0) #define NVGPU_GPU_FLAGS_HAS_SYNCPOINTS (1ULL << 0)
/* MAP_BUFFER_EX with partial mappings */
#define NVGPU_GPU_FLAGS_SUPPORT_PARTIAL_MAPPINGS (1ULL << 1)
/* MAP_BUFFER_EX with sparse allocations */ /* MAP_BUFFER_EX with sparse allocations */
#define NVGPU_GPU_FLAGS_SUPPORT_SPARSE_ALLOCS (1ULL << 2) #define NVGPU_GPU_FLAGS_SUPPORT_SPARSE_ALLOCS (1ULL << 2)
/* sync fence FDs are available in, e.g., submit_gpfifo */ /* sync fence FDs are available in, e.g., submit_gpfifo */