diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_ih.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c index 6f7c031dd197..41f4705bdbbd 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c @@ -204,6 +204,12 @@ static u32 cik_ih_get_wptr(struct amdgpu_device *adev, tmp = RREG32(mmIH_RB_CNTL); tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; WREG32(mmIH_RB_CNTL, tmp); + + /* Unset the CLEAR_OVERFLOW bit immediately so new overflows + * can be detected. + */ + tmp &= ~IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; + WREG32(mmIH_RB_CNTL, tmp); } return (wptr & ih->ptr_mask); } @@ -277,9 +283,9 @@ static void cik_ih_set_rptr(struct amdgpu_device *adev, WREG32(mmIH_RB_RPTR, ih->rptr); } -static int cik_ih_early_init(void *handle) +static int cik_ih_early_init(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; int ret; ret = amdgpu_irq_add_domain(adev); @@ -291,10 +297,10 @@ static int cik_ih_early_init(void *handle) return 0; } -static int cik_ih_sw_init(void *handle) +static int cik_ih_sw_init(struct amdgpu_ip_block *ip_block) { int r; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; r = amdgpu_ih_ring_init(adev, &adev->irq.ih, 64 * 1024, false); if (r) @@ -305,9 +311,9 @@ static int cik_ih_sw_init(void *handle) return r; } -static int cik_ih_sw_fini(void *handle) +static int cik_ih_sw_fini(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; amdgpu_irq_fini_sw(adev); amdgpu_irq_remove_domain(adev); @@ -315,39 +321,33 @@ static int cik_ih_sw_fini(void *handle) return 0; } -static int cik_ih_hw_init(void *handle) +static int cik_ih_hw_init(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; return cik_ih_irq_init(adev); } -static int cik_ih_hw_fini(void *handle) +static int cik_ih_hw_fini(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - cik_ih_irq_disable(adev); + cik_ih_irq_disable(ip_block->adev); return 0; } -static int cik_ih_suspend(void *handle) +static int cik_ih_suspend(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - return cik_ih_hw_fini(adev); + return cik_ih_hw_fini(ip_block); } -static int cik_ih_resume(void *handle) +static int cik_ih_resume(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - return cik_ih_hw_init(adev); + return cik_ih_hw_init(ip_block); } -static bool cik_ih_is_idle(void *handle) +static bool cik_ih_is_idle(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & SRBM_STATUS__IH_BUSY_MASK) @@ -356,11 +356,11 @@ static bool cik_ih_is_idle(void *handle) return true; } -static int cik_ih_wait_for_idle(void *handle) +static int cik_ih_wait_for_idle(struct amdgpu_ip_block *ip_block) { unsigned i; u32 tmp; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; for (i = 0; i < adev->usec_timeout; i++) { /* read MC_STATUS */ @@ -372,9 +372,9 @@ static int cik_ih_wait_for_idle(void *handle) return -ETIMEDOUT; } -static int cik_ih_soft_reset(void *handle) +static int cik_ih_soft_reset(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; u32 srbm_soft_reset = 0; u32 tmp = RREG32(mmSRBM_STATUS); @@ -402,13 +402,13 @@ static int cik_ih_soft_reset(void *handle) return 0; } -static int cik_ih_set_clockgating_state(void *handle, +static int cik_ih_set_clockgating_state(struct amdgpu_ip_block *ip_block, enum amd_clockgating_state state) { return 0; } -static int cik_ih_set_powergating_state(void *handle, +static int cik_ih_set_powergating_state(struct amdgpu_ip_block *ip_block, enum amd_powergating_state state) { return 0; @@ -417,7 +417,6 @@ static int cik_ih_set_powergating_state(void *handle, static const struct amd_ip_funcs cik_ih_ip_funcs = { .name = "cik_ih", .early_init = cik_ih_early_init, - .late_init = NULL, .sw_init = cik_ih_sw_init, .sw_fini = cik_ih_sw_fini, .hw_init = cik_ih_hw_init, |