diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/tonga_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c index b08905d1c00f..24d49d813607 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c @@ -219,6 +219,12 @@ static u32 tonga_ih_get_wptr(struct amdgpu_device *adev, tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1); WREG32(mmIH_RB_CNTL, tmp); + /* Unset the CLEAR_OVERFLOW bit immediately so new overflows + * can be detected. + */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0); + WREG32(mmIH_RB_CNTL, tmp); + out: return (wptr & ih->ptr_mask); } @@ -480,6 +486,8 @@ static const struct amd_ip_funcs tonga_ih_ip_funcs = { .post_soft_reset = tonga_ih_post_soft_reset, .set_clockgating_state = tonga_ih_set_clockgating_state, .set_powergating_state = tonga_ih_set_powergating_state, + .dump_ip_state = NULL, + .print_ip_state = NULL, }; static const struct amdgpu_ih_funcs tonga_ih_funcs = { @@ -493,8 +501,7 @@ static void tonga_ih_set_interrupt_funcs(struct amdgpu_device *adev) adev->irq.ih_funcs = &tonga_ih_funcs; } -const struct amdgpu_ip_block_version tonga_ih_ip_block = -{ +const struct amdgpu_ip_block_version tonga_ih_ip_block = { .type = AMD_IP_BLOCK_TYPE_IH, .major = 3, .minor = 0, |