diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/iceland_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c index aecad530b10a..01cadf898c00 100644 --- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c @@ -157,6 +157,9 @@ static int iceland_ih_irq_init(struct amdgpu_device *adev) /* enable interrupts */ iceland_ih_enable_interrupts(adev); + if (adev->irq.ih_soft.ring_size) + adev->irq.ih_soft.enabled = true; + return 0; } @@ -194,6 +197,9 @@ static u32 iceland_ih_get_wptr(struct amdgpu_device *adev, wptr = le32_to_cpu(*ih->wptr_cpu); + if (ih == &adev->irq.ih_soft) + goto out; + if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) goto out; @@ -215,6 +221,11 @@ static u32 iceland_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); @@ -268,9 +279,9 @@ static void iceland_ih_set_rptr(struct amdgpu_device *adev, WREG32(mmIH_RB_RPTR, ih->rptr); } -static int iceland_ih_early_init(void *handle) +static int iceland_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); @@ -282,23 +293,27 @@ static int iceland_ih_early_init(void *handle) return 0; } -static int iceland_ih_sw_init(void *handle) +static int iceland_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) return r; + r = amdgpu_ih_ring_init(adev, &adev->irq.ih_soft, IH_SW_RING_SIZE, true); + if (r) + return r; + r = amdgpu_irq_init(adev); return r; } -static int iceland_ih_sw_fini(void *handle) +static int iceland_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); @@ -306,39 +321,33 @@ static int iceland_ih_sw_fini(void *handle) return 0; } -static int iceland_ih_hw_init(void *handle) +static int iceland_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 iceland_ih_irq_init(adev); } -static int iceland_ih_hw_fini(void *handle) +static int iceland_ih_hw_fini(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - iceland_ih_irq_disable(adev); + iceland_ih_irq_disable(ip_block->adev); return 0; } -static int iceland_ih_suspend(void *handle) +static int iceland_ih_suspend(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - return iceland_ih_hw_fini(adev); + return iceland_ih_hw_fini(ip_block); } -static int iceland_ih_resume(void *handle) +static int iceland_ih_resume(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - return iceland_ih_hw_init(adev); + return iceland_ih_hw_init(ip_block); } -static bool iceland_ih_is_idle(void *handle) +static bool iceland_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 (REG_GET_FIELD(tmp, SRBM_STATUS, IH_BUSY)) @@ -347,11 +356,11 @@ static bool iceland_ih_is_idle(void *handle) return true; } -static int iceland_ih_wait_for_idle(void *handle) +static int iceland_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 */ @@ -363,10 +372,10 @@ static int iceland_ih_wait_for_idle(void *handle) return -ETIMEDOUT; } -static int iceland_ih_soft_reset(void *handle) +static int iceland_ih_soft_reset(struct amdgpu_ip_block *ip_block) { u32 srbm_soft_reset = 0; - 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) @@ -393,13 +402,13 @@ static int iceland_ih_soft_reset(void *handle) return 0; } -static int iceland_ih_set_clockgating_state(void *handle, +static int iceland_ih_set_clockgating_state(struct amdgpu_ip_block *ip_block, enum amd_clockgating_state state) { return 0; } -static int iceland_ih_set_powergating_state(void *handle, +static int iceland_ih_set_powergating_state(struct amdgpu_ip_block *ip_block, enum amd_powergating_state state) { return 0; @@ -408,7 +417,6 @@ static int iceland_ih_set_powergating_state(void *handle, static const struct amd_ip_funcs iceland_ih_ip_funcs = { .name = "iceland_ih", .early_init = iceland_ih_early_init, - .late_init = NULL, .sw_init = iceland_ih_sw_init, .sw_fini = iceland_ih_sw_fini, .hw_init = iceland_ih_hw_init, |