Commit Graph

4 Commits

Author SHA1 Message Date
Vedashree Vidwans
6974f784e2 gpu: nvgpu: Update cbc_init_support() return error
Currently, nvgpu_cbc_init_support() doesn't return error if
cbc.alloc_comptags() fails. Modify nvgpu_cbc_init_support() to check
error returned by cbc.alloc_comptags(). If alloc_comptags() fails, free
allocated cbc memory and set cbc pointer to NULL.

JIRA NVGPU-4666

Change-Id: Id7edaeebc81e7d7029d98bcdbffaf6506c8f0979
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2317822
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Reviewed-by: Alex Waterman <alexw@nvidia.com>
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GVS: Gerrit_Virtual_Submit
2020-12-15 14:13:28 -06:00
Sagar Kamble
a16cc2dde3 gpu: nvgpu: compile out vidmem from safety build
Safety build does not support vidmem. This patch compiles out vidmem
related changes - vidmem, dma alloc, cbc/acr/pmu alloc based on
vidmem and corresponding tests like pramin, page allocator &
gmmu_map_unmap_vidmem..
As vidmem is applicable only in case of DGPUs the code is compiled
out using CONFIG_NVGPU_DGPU.

JIRA NVGPU-3524

Change-Id: Ic623801112484ffc071195e828ab9f290f945d4d
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2132773
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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2019-06-25 04:37:08 -07:00
Prateek sethi
3bd35af767 gpu: nvgpu: Unify cbc_rmos
- Move nvgpu_cbc_alloc() to cbc.c and remove nvgpu_cbc_alloc() os
specific code.

Jira NVGPU-1706

Change-Id: Ib43e2faf8a52fb7a366f7c9c8e2bb04675b74224
Signed-off-by: Prateek sethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2103215
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2019-04-23 22:06:09 -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
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Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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2019-03-17 05:15:35 -07:00