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gpu: nvgpu: gv1xx: disable ltc_illegal_compstat interrupt

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Illegal compstat interrupt indicates an unexpected compression status
given the kind. Since dirty tile mappings expected to have discrepancies
in compbit state, so disabling illegal compstat interrupt.

Bug 2099406

Change-Id: I90207c6bc8a8cfa656ea9a0b4f5605106751c12e
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1774572
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
seshendra Gadagottu
2018-07-09 12:30:50 -07:00
committed by mobile promotions
parent d3b8415948
commit 2c2d9e6671
3 changed files with 27 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/nvgpu/gv11b/ltc_gv11b.c
View File

@@ -70,6 +70,7 @@ void gv11b_ltc_init_fs_state(struct gk20a *g)
/* Disable LTC interrupts */
reg = gk20a_readl(g, ltc_ltcs_ltss_intr_r());
reg &= ~ltc_ltcs_ltss_intr_en_evicted_cb_m();
reg &= ~ltc_ltcs_ltss_intr_en_illegal_compstat_m();
reg &= ~ltc_ltcs_ltss_intr_en_illegal_compstat_access_m();
nvgpu_writel_check(g, ltc_ltcs_ltss_intr_r(), reg);

14
drivers/gpu/nvgpu/include/nvgpu/hw/gv100/hw_ltc_gv100.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -364,6 +364,18 @@ static inline u32 ltc_ltcs_ltss_intr_en_evicted_cb_m(void)
{
return 0x1U << 20U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_m(void)
{
return 0x1U << 21U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_enabled_f(void)
{
return 0x200000U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_disabled_f(void)
{
return 0x0U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_access_m(void)
{
return 0x1U << 30U;

14
drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_ltc_gv11b.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -364,6 +364,18 @@ static inline u32 ltc_ltcs_ltss_intr_en_evicted_cb_m(void)
{
return 0x1U << 20U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_m(void)
{
return 0x1U << 21U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_enabled_f(void)
{
return 0x200000U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_disabled_f(void)
{
return 0x0U;
}
static inline u32 ltc_ltcs_ltss_intr_en_illegal_compstat_access_m(void)
{
return 0x1U << 30U;