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gpu: nvgpu: gp106: Disable MMU write violation reporting

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Disable reporting of write privilege violation on FB MMU
registers.

Bug 1846641

Change-Id: I011385c5b06bbb2dcc8d4521236a04a8be5dd34e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1471463
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
This commit is contained in:
Terje Bergstrom
2017-04-27 10:02:41 -07:00
committed by mobile promotions
parent 69d7652aaa
commit 1ffbb2996f
2 changed files with 14 additions and 0 deletions
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6
drivers/gpu/nvgpu/gp106/fb_gp106.c
View File

@@ -21,6 +21,8 @@
static void gp106_fb_reset(struct gk20a *g)
{
u32 val;
int retries = HW_SCRUB_TIMEOUT_MAX / HW_SCRUB_TIMEOUT_DEFAULT;
/* wait for memory to be accessible */
do {
@@ -31,6 +33,10 @@ static void gp106_fb_reset(struct gk20a *g)
}
nvgpu_udelay(HW_SCRUB_TIMEOUT_DEFAULT);
} while (--retries);
val = gk20a_readl(g, fb_mmu_priv_level_mask_r());
val &= ~fb_mmu_priv_level_mask_write_violation_m();
gk20a_writel(g, fb_mmu_priv_level_mask_r(), val);
}
void gp106_init_fb(struct gpu_ops *gops)

8
drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_fb_gp106.h
View File

@@ -482,6 +482,14 @@ static inline u32 fb_mmu_vpr_info_fetch_true_v(void)
{
return 0x00000001;
}
static inline u32 fb_mmu_priv_level_mask_r(void)
{
return 0x00100cdc;
}
static inline u32 fb_mmu_priv_level_mask_write_violation_m(void)
{
return 0x1 << 7;
}
static inline u32 fb_niso_flush_sysmem_addr_r(void)
{
return 0x00100c10;