diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ih_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ih_v6_0.c | 92 |
1 files changed, 57 insertions, 35 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c index 3cb64c8f7175..333e9c30c091 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c @@ -135,6 +135,34 @@ static int ih_v6_0_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)); + + if (enable) { + /* Unset the CLEAR_OVERFLOW bit to make sure the next step + * is switching the bit from 0 to 1 + */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0); + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) + return -ETIMEDOUT; + } else { + WREG32_NO_KIQ(ih_regs->ih_rb_cntl, tmp); + } + + /* Clear RB_OVERFLOW bit */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1); + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) + return -ETIMEDOUT; + } else { + WREG32_NO_KIQ(ih_regs->ih_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); + } + /* 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)); @@ -321,6 +349,7 @@ static int ih_v6_0_irq_init(struct amdgpu_device *adev) if (ret) return ret; } + ih[i]->overflow = false; } /* update doorbell range for ih ring 0 */ @@ -418,7 +447,10 @@ static u32 ih_v6_0_get_wptr(struct amdgpu_device *adev, wptr = RREG32_NO_KIQ(ih_regs->ih_rb_wptr); if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) goto out; - wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0); + if (!amdgpu_sriov_vf(adev)) + wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0); + else + ih->overflow = true; /* When a ring buffer overflow happen start parsing interrupt * from the last not overwritten vector (wptr + 32). Hopefully @@ -531,19 +563,19 @@ static void ih_v6_0_set_self_irq_funcs(struct amdgpu_device *adev) adev->irq.self_irq.funcs = &ih_v6_0_self_irq_funcs; } -static int ih_v6_0_early_init(void *handle) +static int ih_v6_0_early_init(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; ih_v6_0_set_interrupt_funcs(adev); ih_v6_0_set_self_irq_funcs(adev); return 0; } -static int ih_v6_0_sw_init(void *handle) +static int ih_v6_0_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; bool use_bus_addr; r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_IH, 0, @@ -555,8 +587,7 @@ static int ih_v6_0_sw_init(void *handle) /* use gpu virtual address for ih ring * until ih_checken is programmed to allow * use bus address for ih ring by psp bl */ - use_bus_addr = - (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) ? false : true; + use_bus_addr = adev->firmware.load_type != AMDGPU_FW_LOAD_PSP; r = amdgpu_ih_ring_init(adev, &adev->irq.ih, IH_RING_SIZE, use_bus_addr); if (r) return r; @@ -586,19 +617,19 @@ static int ih_v6_0_sw_init(void *handle) return r; } -static int ih_v6_0_sw_fini(void *handle) +static int ih_v6_0_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); return 0; } -static int ih_v6_0_hw_init(void *handle) +static int ih_v6_0_hw_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 = ih_v6_0_irq_init(adev); if (r) @@ -607,42 +638,36 @@ static int ih_v6_0_hw_init(void *handle) return 0; } -static int ih_v6_0_hw_fini(void *handle) +static int ih_v6_0_hw_fini(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - ih_v6_0_irq_disable(adev); + ih_v6_0_irq_disable(ip_block->adev); return 0; } -static int ih_v6_0_suspend(void *handle) +static int ih_v6_0_suspend(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - return ih_v6_0_hw_fini(adev); + return ih_v6_0_hw_fini(ip_block); } -static int ih_v6_0_resume(void *handle) +static int ih_v6_0_resume(struct amdgpu_ip_block *ip_block) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - return ih_v6_0_hw_init(adev); + return ih_v6_0_hw_init(ip_block); } -static bool ih_v6_0_is_idle(void *handle) +static bool ih_v6_0_is_idle(struct amdgpu_ip_block *ip_block) { /* todo */ return true; } -static int ih_v6_0_wait_for_idle(void *handle) +static int ih_v6_0_wait_for_idle(struct amdgpu_ip_block *ip_block) { /* todo */ return -ETIMEDOUT; } -static int ih_v6_0_soft_reset(void *handle) +static int ih_v6_0_soft_reset(struct amdgpu_ip_block *ip_block) { /* todo */ return 0; @@ -671,10 +696,10 @@ static void ih_v6_0_update_clockgating_state(struct amdgpu_device *adev, } } -static int ih_v6_0_set_clockgating_state(void *handle, +static int ih_v6_0_set_clockgating_state(struct amdgpu_ip_block *ip_block, enum amd_clockgating_state state) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; ih_v6_0_update_clockgating_state(adev, state == AMD_CG_STATE_GATE); @@ -734,10 +759,10 @@ static void ih_v6_0_update_ih_mem_power_gating(struct amdgpu_device *adev, WREG32_SOC15(OSSSYS, 0, regIH_MEM_POWER_CTRL, ih_mem_pwr_cntl); } -static int ih_v6_0_set_powergating_state(void *handle, +static int ih_v6_0_set_powergating_state(struct amdgpu_ip_block *ip_block, enum amd_powergating_state state) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; bool enable = (state == AMD_PG_STATE_GATE); if (adev->pg_flags & AMD_PG_SUPPORT_IH_SRAM_PG) @@ -746,9 +771,9 @@ static int ih_v6_0_set_powergating_state(void *handle, return 0; } -static void ih_v6_0_get_clockgating_state(void *handle, u64 *flags) +static void ih_v6_0_get_clockgating_state(struct amdgpu_ip_block *ip_block, u64 *flags) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = ip_block->adev; if (!RREG32_SOC15(OSSSYS, 0, regIH_CLK_CTRL)) *flags |= AMD_CG_SUPPORT_IH_CG; @@ -757,7 +782,6 @@ static void ih_v6_0_get_clockgating_state(void *handle, u64 *flags) static const struct amd_ip_funcs ih_v6_0_ip_funcs = { .name = "ih_v6_0", .early_init = ih_v6_0_early_init, - .late_init = NULL, .sw_init = ih_v6_0_sw_init, .sw_fini = ih_v6_0_sw_fini, .hw_init = ih_v6_0_hw_init, @@ -770,8 +794,6 @@ static const struct amd_ip_funcs ih_v6_0_ip_funcs = { .set_clockgating_state = ih_v6_0_set_clockgating_state, .set_powergating_state = ih_v6_0_set_powergating_state, .get_clockgating_state = ih_v6_0_get_clockgating_state, - .dump_ip_state = NULL, - .print_ip_state = NULL, }; static const struct amdgpu_ih_funcs ih_v6_0_funcs = { |