Commit Graph

6 Commits

Author SHA1 Message Date
Scott Long
3c7cf8b75a gpu: nvgpu: fix MISRA 10.5 issue in timeout code
This change switches nvgpu_timeout_peek_expired() to return a bool
instead of an int to remove advisory rule MISRA 10.5 violations.

MISRA 10.5 states that the value of an expression should not be
cast to an inappropriate essential type.

JIRA NVGPU-3798

Change-Id: I5cf9badaf07493e11a639e47ae4cf221700134ff
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2155617
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-07-24 17:04:38 -07:00
Sagar Kadamati
d2444e85ed gpu: nvgpu: compile-out debug unit
debug unit is not need to for safety build, so compile out it

JIRA NVGPU-3542

Change-Id: I60cc256a5659e72ae2e647ec4f1a810ba4aa959d
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2133419
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-06-21 04:35:25 -07:00
Seshendra Gadagottu
60073d2156 gpu: nvgpu: move ltc related data to nvgpu_ltc
Moved following ltc related data to struct nvgpu_ltc
and has a reference to it from struct gk20a:
  struct nvgpu_spinlock ltc_enabled_lock;
  u32 max_ltc_count;
  u32 ltc_count;
  u32 slices_per_ltc;
  u32 cacheline_size;

Added function remove_support for ltc and it is called
during nvgpu remove sequence.

Added following helper functions in ltc.h:
u32 nvgpu_ltc_get_ltc_count(struct gk20a *g);
u32 nvgpu_ltc_get_slices_per_ltc(struct gk20a *g);
u32 nvgpu_ltc_get_cacheline_size(struct gk20a *g);

Removed redudnant ltc.init_fs_state call from vgpu init
sequence since it is getting called from nvgpu_init_ltc_support.

NVGPU-2044

Change-Id: I3c256dc3866f894c38715aa2609e85bd2e5cfe5a
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2073417
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-03-22 15:13:46 -07:00
Seshendra Gadagottu
a2bc7d5923 gpu: nvgpu: cbc: move cbc related code from gr
Moved cbc related code and data from gr to cbc unit.

Ltc and cbc related data is moved from gr header:
1. Ltc related data moved from gr_gk20a -> gk20a and it
will be moved eventually to ltc unit:
u32 slices_per_ltc;
u32 cacheline_size;

2. cbc data moved from gr_gk20a -> nvgpu_cbc
u32 compbit_backing_size;
u32 comptags_per_cacheline;
u32 gobs_per_comptagline_per_slice;
u32 max_comptag_lines;
struct gk20a_comptag_allocator comp_tags;
struct compbit_store_desc compbit_store;

3. Following config data moved gr_gk20a -> gk20a
u32 comptag_mem_deduct;
u32 max_comptag_mem;
These are part of initial config which should be available
during nvgpu_probe. So it can't be moved to nvgpu_cbc.

Modified code to use above updated data structures.

Removed cbc init sequence from gr and added in
common cbc unit. This sequence is getting called
from common nvgpu init code.

JIRA NVGPU-2896
JIRA NVGPU-2897

Change-Id: I1a1b1e73b75396d61de684f413ebc551a1202a57
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2033286
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-03-17 05:15:35 -07:00
Seshendra Gadagottu
ba761b53d6 gpu: nvgpu: move gk20a_cbc_op to cbc.h
Move enum gk20a_cbc_op from gk20a.h to cbc.h.
Also re-named gk20a_cbc_op to nvgpu_cbc_op.

Modified code to use new enum type nvgpu_cbc_op.

JIRA NVGPU-2897

Change-Id: I7df5af82fb84ff1c06ea48dcf03983a24fcd32b5
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2030998
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-03-12 13:35:06 -07:00
Seshendra Gadagottu
a3289cb80c gpu: nvgpu: create cbc unit
Create Compression Bit Cache(CBC) unit to have comptags
cache related functionality in one place. In this patch

Moved following gpu ops from ltc to cbc and renamed accordingly:
  void (*init)(struct gk20a *g, struct gr_gk20a *gr);
  u64 (*get_base_divisor)(struct gk20a *g);
  int (*alloc_comptags)(struct gk20a *g, struct gr_gk20a *gr);
  int (*ctrl)(struct gk20a *g, enum gk20a_cbc_op op,
		u32 min, u32 max);
  u32 (*fix_config)(struct gk20a *g, int base);

To avoid ambiguity renamed function pointer from
init_comptags to alloc_comptags.

Moved following function from ltc.h to cbc.h:
nvgpu_ltc_alloc_cbc -> nvgpu_cbc_alloc

Also changed file name that implemented
nvgpu_cbc_alloc functionality from
os/ltc.c -> os/linux-cbc.c

JIRA NVGPU-2897

Change-Id: Ide32a98567e9a3f0a784d62221a6f484f8343e53
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2030194
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-03-12 13:34:21 -07:00