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gpu: nvgpu: falcon debug unit update

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- Don't print error if debug display buffer is empty.

Bug 3623500
Bug 3418561
Bug 3659996

Change-Id: I066999fb0f7d41d491c3b01df2b976fcfa833ebf
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704967
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
(cherry picked from commit 162d7ec32d)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2722384
This commit is contained in:
mkumbar
2022-04-29 19:11:37 +05:30
committed by mobile promotions
parent 028b6dd811
commit 684bc1c8cb
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/nvgpu/common/falcon/falcon_debug.c
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@@ -197,7 +197,7 @@ static int falcon_update_debug_buffer_from_dmem(struct nvgpu_falcon *flcn,
}
if (first_read_size == 0 && second_read_size == 0) {
nvgpu_err(g, "Debug buffer empty, can't read any data!");
nvgpu_falcon_dbg(g, "Debug buffer empty, can't read any data!");
return -EINVAL;
}
@@ -300,8 +300,9 @@ int nvgpu_falcon_dbg_buf_display(struct nvgpu_falcon *flcn)
}
if (falcon_update_debug_buffer_from_dmem(flcn, write_offset) != 0) {
nvgpu_err(g, "Failed to fetch debug buffer contents");
return -EINVAL;
nvgpu_falcon_dbg(g, "Failed to fetch debug buffer contents");
// Return error once Bug 3623500 issue is fixed
return 0;
}
/* Buffer is empty when read_offset == write_offset */