diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vega10_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 264 |
1 files changed, 222 insertions, 42 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c index 6d1f804277f8..5cb7e231de5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c @@ -20,7 +20,9 @@ * OTHER DEALINGS IN THE SOFTWARE. * */ -#include <drm/drmP.h> + +#include <linux/pci.h> + #include "amdgpu.h" #include "amdgpu_ih.h" #include "soc15.h" @@ -31,7 +33,7 @@ #include "soc15_common.h" #include "vega10_ih.h" - +#define MAX_REARM_RETRY 10 static void vega10_ih_set_interrupt_funcs(struct amdgpu_device *adev); @@ -48,14 +50,29 @@ static void vega10_ih_enable_interrupts(struct amdgpu_device *adev) ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) { + DRM_ERROR("PSP program IH_RB_CNTL failed!\n"); + return; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); + } adev->irq.ih.enabled = true; if (adev->irq.ih1.ring_size) { ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1, RB_ENABLE, 1); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1, + ih_rb_cntl)) { + DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n"); + return; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + } adev->irq.ih1.enabled = true; } @@ -63,7 +80,15 @@ static void vega10_ih_enable_interrupts(struct amdgpu_device *adev) ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2, RB_ENABLE, 1); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2, + ih_rb_cntl)) { + DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n"); + return; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); + } adev->irq.ih2.enabled = true; } } @@ -81,7 +106,15 @@ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev) ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) { + DRM_ERROR("PSP program IH_RB_CNTL failed!\n"); + return; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); + } + /* set rptr, wptr to 0 */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0); @@ -92,7 +125,15 @@ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev) ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1, RB_ENABLE, 0); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1, + ih_rb_cntl)) { + DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n"); + return; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + } /* set rptr, wptr to 0 */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0); @@ -104,7 +145,16 @@ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev) ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2, RB_ENABLE, 0); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2, + ih_rb_cntl)) { + DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n"); + return; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); + } + /* set rptr, wptr to 0 */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0); @@ -136,6 +186,25 @@ static uint32_t vega10_ih_rb_cntl(struct amdgpu_ih_ring *ih, uint32_t ih_rb_cntl return ih_rb_cntl; } +static uint32_t vega10_ih_doorbell_rptr(struct amdgpu_ih_ring *ih) +{ + u32 ih_doorbell_rtpr = 0; + + if (ih->use_doorbell) { + ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr, + IH_DOORBELL_RPTR, OFFSET, + ih->doorbell_index); + ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr, + IH_DOORBELL_RPTR, + ENABLE, 1); + } else { + ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr, + IH_DOORBELL_RPTR, + ENABLE, 0); + } + return ih_doorbell_rtpr; +} + /** * vega10_ih_irq_init - init and enable the interrupt ring * @@ -150,14 +219,14 @@ static uint32_t vega10_ih_rb_cntl(struct amdgpu_ih_ring *ih, uint32_t ih_rb_cntl static int vega10_ih_irq_init(struct amdgpu_device *adev) { struct amdgpu_ih_ring *ih; + u32 ih_rb_cntl, ih_chicken; int ret = 0; - u32 ih_rb_cntl, ih_doorbell_rtpr; u32 tmp; /* disable irqs */ vega10_ih_disable_interrupts(adev); - adev->nbio_funcs->ih_control(adev); + adev->nbio.funcs->ih_control(adev); ih = &adev->irq.ih; /* Ring Buffer base. [39:8] of 40-bit address of the beginning of the ring buffer*/ @@ -165,10 +234,29 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev) WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI, (ih->gpu_addr >> 40) & 0xff); ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL); + ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN); ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl); + if (adev->irq.ih.use_bus_addr) { + ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, MC_SPACE_GPA_ENABLE, 1); + } else { + ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, MC_SPACE_FBPA_ENABLE, 1); + } ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM, !!adev->irq.msi_enabled); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); + + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) { + DRM_ERROR("PSP program IH_RB_CNTL failed!\n"); + return -ETIMEDOUT; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); + } + + if ((adev->asic_type == CHIP_ARCTURUS + && adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) + || adev->asic_type == CHIP_RENOIR) + WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken); /* set the writeback address whether it's enabled or not */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO, @@ -177,23 +265,11 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev) upper_32_bits(ih->wptr_addr) & 0xFFFF); /* set rptr, wptr to 0 */ - WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0); + WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); - ih_doorbell_rtpr = RREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR); - if (adev->irq.ih.use_doorbell) { - ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr, - IH_DOORBELL_RPTR, OFFSET, - adev->irq.ih.doorbell_index); - ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr, - IH_DOORBELL_RPTR, - ENABLE, 1); - } else { - ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr, - IH_DOORBELL_RPTR, - ENABLE, 0); - } - WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR, ih_doorbell_rtpr); + WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR, + vega10_ih_doorbell_rptr(ih)); ih = &adev->irq.ih1; if (ih->ring_size) { @@ -203,11 +279,26 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev) ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, + WPTR_OVERFLOW_ENABLE, 0); + ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, + RB_FULL_DRAIN_ENABLE, 1); + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1, + ih_rb_cntl)) { + DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n"); + return -ETIMEDOUT; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + } /* set rptr, wptr to 0 */ - WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0); + WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0); + + WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING1, + vega10_ih_doorbell_rptr(ih)); } ih = &adev->irq.ih2; @@ -216,13 +307,25 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev) WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI_RING2, (ih->gpu_addr >> 40) & 0xff); - ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); + ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2); ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl); - WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); + + if (amdgpu_sriov_vf(adev)) { + if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2, + ih_rb_cntl)) { + DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n"); + return -ETIMEDOUT; + } + } else { + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); + } /* set rptr, wptr to 0 */ - WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0); + WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0); + + WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING2, + vega10_ih_doorbell_rptr(ih)); } tmp = RREG32_SOC15(OSSSYS, 0, mmIH_STORM_CLIENT_LIST_CNTL); @@ -365,6 +468,38 @@ static void vega10_ih_decode_iv(struct amdgpu_device *adev, } /** + * vega10_ih_irq_rearm - rearm IRQ if lost + * + * @adev: amdgpu_device pointer + * + */ +static void vega10_ih_irq_rearm(struct amdgpu_device *adev, + struct amdgpu_ih_ring *ih) +{ + uint32_t reg_rptr = 0; + uint32_t v = 0; + uint32_t i = 0; + + if (ih == &adev->irq.ih) + reg_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR); + else if (ih == &adev->irq.ih1) + reg_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR_RING1); + else if (ih == &adev->irq.ih2) + reg_rptr = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_RPTR_RING2); + else + return; + + /* Rearm IRQ / re-wwrite doorbell if doorbell write is lost */ + for (i = 0; i < MAX_REARM_RETRY; i++) { + v = RREG32_NO_KIQ(reg_rptr); + if ((v < ih->ring_size) && (v != ih->rptr)) + WDOORBELL32(ih->doorbell_index, ih->rptr); + else + break; + } +} + +/** * vega10_ih_set_rptr - set the IH ring buffer rptr * * @adev: amdgpu_device pointer @@ -378,6 +513,9 @@ static void vega10_ih_set_rptr(struct amdgpu_device *adev, /* XXX check if swapping is necessary on BE */ *ih->rptr_cpu = ih->rptr; WDOORBELL32(ih->doorbell_index, ih->rptr); + + if (amdgpu_sriov_vf(adev)) + vega10_ih_irq_rearm(adev, ih); } else if (ih == &adev->irq.ih) { WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, ih->rptr); } else if (ih == &adev->irq.ih1) { @@ -449,20 +587,23 @@ static int vega10_ih_sw_init(void *handle) if (r) return r; - if (adev->asic_type == CHIP_VEGA10) { - r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true); - if (r) - return r; - - r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true); - if (r) - return r; - } - - /* TODO add doorbell for IH1 & IH2 as well */ adev->irq.ih.use_doorbell = true; adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1; + r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true); + if (r) + return r; + + adev->irq.ih1.use_doorbell = true; + adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1; + + r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true); + if (r) + return r; + + adev->irq.ih2.use_doorbell = true; + adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1; + r = amdgpu_irq_init(adev); return r; @@ -534,10 +675,49 @@ static int vega10_ih_soft_reset(void *handle) return 0; } +static void vega10_ih_update_clockgating_state(struct amdgpu_device *adev, + bool enable) +{ + uint32_t data, def, field_val; + + if (adev->cg_flags & AMD_CG_SUPPORT_IH_CG) { + def = data = RREG32_SOC15(OSSSYS, 0, mmIH_CLK_CTRL); + field_val = enable ? 0 : 1; + /** + * Vega10 does not have IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE + * and IH_BUFFER_MEM_CLK_SOFT_OVERRIDE field. + */ + if (adev->asic_type > CHIP_VEGA10) { + data = REG_SET_FIELD(data, IH_CLK_CTRL, + IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + IH_BUFFER_MEM_CLK_SOFT_OVERRIDE, field_val); + } + + data = REG_SET_FIELD(data, IH_CLK_CTRL, + DBUS_MUX_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + OSSSYS_SHARE_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + LIMIT_SMN_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + DYN_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + REG_CLK_SOFT_OVERRIDE, field_val); + if (def != data) + WREG32_SOC15(OSSSYS, 0, mmIH_CLK_CTRL, data); + } +} + static int vega10_ih_set_clockgating_state(void *handle, enum amd_clockgating_state state) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + vega10_ih_update_clockgating_state(adev, + state == AMD_CG_STATE_GATE ? true : false); return 0; + } static int vega10_ih_set_powergating_state(void *handle, |