diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vega20_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c index 5a3c867d5881..8a122b413bf5 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c @@ -35,6 +35,9 @@ #define MAX_REARM_RETRY 10 +#define mmIH_CHICKEN_ALDEBARAN 0x18d +#define mmIH_CHICKEN_ALDEBARAN_BASE_IDX 0 + static void vega20_ih_set_interrupt_funcs(struct amdgpu_device *adev); /** @@ -104,6 +107,8 @@ static int vega20_ih_toggle_ring_interrupts(struct amdgpu_device *adev, tmp = RREG32(ih_regs->ih_rb_cntl); tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_ENABLE, (enable ? 1 : 0)); + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_GPU_TS_ENABLE, 1); + /* enable_intr field is only valid in ring0 */ if (ih == &adev->irq.ih) tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, ENABLE_INTR, (enable ? 1 : 0)); @@ -220,10 +225,8 @@ static int vega20_ih_enable_ring(struct amdgpu_device *adev, tmp = vega20_ih_rb_cntl(ih, tmp); if (ih == &adev->irq.ih) tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RPTR_REARM, !!adev->irq.msi_enabled); - if (ih == &adev->irq.ih1) { - tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_ENABLE, 0); + if (ih == &adev->irq.ih1) tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_FULL_DRAIN_ENABLE, 1); - } if (amdgpu_sriov_vf(adev)) { if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) { dev_err(adev->dev, "PSP program IH_RB_CNTL failed!\n"); @@ -261,10 +264,10 @@ static void vega20_ih_reroute_ih(struct amdgpu_device *adev) { uint32_t tmp; - /* vega20 ih reroute will go through psp - * this function is only used for arcturus + /* vega20 ih reroute will go through psp this + * function is used for newer asics starting arcturus */ - if (adev->asic_type == CHIP_ARCTURUS) { + if (adev->asic_type >= CHIP_ARCTURUS) { /* Reroute to IH ring 1 for VMC */ WREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_INDEX, 0x12); tmp = RREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_DATA); @@ -297,7 +300,6 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev) u32 ih_chicken; int ret; int i; - u32 tmp; /* disable irqs */ ret = vega20_ih_toggle_interrupts(adev, false); @@ -316,6 +318,18 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev) WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken); } + /* psp firmware won't program IH_CHICKEN for aldebaran + * driver needs to program it properly according to + * MC_SPACE type in IH_RB_CNTL */ + if (adev->asic_type == CHIP_ALDEBARAN) { + ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN); + if (adev->irq.ih.use_bus_addr) { + ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, + MC_SPACE_GPA_ENABLE, 1); + } + WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN, ih_chicken); + } + for (i = 0; i < ARRAY_SIZE(ih); i++) { if (ih[i]->ring_size) { if (i == 1) @@ -326,15 +340,6 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev) } } - tmp = RREG32_SOC15(OSSSYS, 0, mmIH_STORM_CLIENT_LIST_CNTL); - tmp = REG_SET_FIELD(tmp, IH_STORM_CLIENT_LIST_CNTL, - CLIENT18_IS_STORM_CLIENT, 1); - WREG32_SOC15(OSSSYS, 0, mmIH_STORM_CLIENT_LIST_CNTL, tmp); - - tmp = RREG32_SOC15(OSSSYS, 0, mmIH_INT_FLOOD_CNTL); - tmp = REG_SET_FIELD(tmp, IH_INT_FLOOD_CNTL, FLOOD_CNTL_ENABLE, 1); - WREG32_SOC15(OSSSYS, 0, mmIH_INT_FLOOD_CNTL, tmp); - pci_set_master(adev->pdev); /* enable interrupts */ @@ -380,11 +385,17 @@ static u32 vega20_ih_get_wptr(struct amdgpu_device *adev, u32 wptr, tmp; struct amdgpu_ih_regs *ih_regs; - wptr = le32_to_cpu(*ih->wptr_cpu); - ih_regs = &ih->ih_regs; + if (ih == &adev->irq.ih) { + /* Only ring0 supports writeback. On other rings fall back + * to register-based code with overflow checking below. + */ + wptr = le32_to_cpu(*ih->wptr_cpu); - if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) - goto out; + if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) + goto out; + } + + ih_regs = &ih->ih_regs; /* Double check that the overflow wasn't already cleared. */ wptr = RREG32_NO_KIQ(ih_regs->ih_rb_wptr); @@ -476,15 +487,11 @@ static int vega20_ih_self_irq(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { - uint32_t wptr = cpu_to_le32(entry->src_data[0]); - switch (entry->ring_id) { case 1: - *adev->irq.ih1.wptr_cpu = wptr; schedule_work(&adev->irq.ih1_work); break; case 2: - *adev->irq.ih2.wptr_cpu = wptr; schedule_work(&adev->irq.ih2_work); break; default: break; |