diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 80 |
1 files changed, 59 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 2aee2c6..1b319f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -261,7 +261,7 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) const struct mc_firmware_header_v1_0 *hdr; const __le32 *fw_data = NULL; const __le32 *io_mc_regs = NULL; - u32 running, blackout = 0; + u32 running; int i, ucode_size, regs_size; if (!adev->mc.fw) @@ -269,8 +269,10 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) /* Skip MC ucode loading on SR-IOV capable boards. * vbios does this for us in asic_init in that case. + * Skip MC ucode loading on VF, because hypervisor will do that + * for this adaptor. */ - if (adev->virtualization.supports_sr_iov) + if (amdgpu_sriov_bios(adev)) return 0; hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data; @@ -287,11 +289,6 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); if (running == 0) { - if (running) { - blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); - WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); - } - /* reset the engine and set to writable */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); @@ -323,9 +320,6 @@ static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) break; udelay(1); } - - if (running) - WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout); } return 0; @@ -477,7 +471,7 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) * size equal to the 1024 or vram, whichever is larger. */ if (amdgpu_gart_size == -1) - adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size); + adev->mc.gtt_size = amdgpu_ttm_get_gtt_mem_size(adev); else adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20; @@ -957,6 +951,11 @@ static int gmc_v8_0_sw_init(void *handle) return r; } + r = amdgpu_ttm_global_init(adev); + if (r) { + return r; + } + r = gmc_v8_0_mc_init(adev); if (r) return r; @@ -1100,9 +1099,8 @@ static int gmc_v8_0_wait_for_idle(void *handle) } -static int gmc_v8_0_soft_reset(void *handle) +static int gmc_v8_0_check_soft_reset(void *handle) { - struct amdgpu_mode_mc_save save; u32 srbm_soft_reset = 0; struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 tmp = RREG32(mmSRBM_STATUS); @@ -1117,13 +1115,42 @@ static int gmc_v8_0_soft_reset(void *handle) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); } - if (srbm_soft_reset) { - gmc_v8_0_mc_stop(adev, &save); - if (gmc_v8_0_wait_for_idle((void *)adev)) { - dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); - } + adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang = true; + adev->mc.srbm_soft_reset = srbm_soft_reset; + } else { + adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang = false; + adev->mc.srbm_soft_reset = 0; + } + return 0; +} +static int gmc_v8_0_pre_soft_reset(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang) + return 0; + + gmc_v8_0_mc_stop(adev, &adev->mc.save); + if (gmc_v8_0_wait_for_idle(adev)) { + dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); + } + + return 0; +} + +static int gmc_v8_0_soft_reset(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + u32 srbm_soft_reset; + + if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang) + return 0; + srbm_soft_reset = adev->mc.srbm_soft_reset; + + if (srbm_soft_reset) { + u32 tmp; tmp = RREG32(mmSRBM_SOFT_RESET); tmp |= srbm_soft_reset; @@ -1139,14 +1166,22 @@ static int gmc_v8_0_soft_reset(void *handle) /* Wait a little for things to settle down */ udelay(50); - - gmc_v8_0_mc_resume(adev, &save); - udelay(50); } return 0; } +static int gmc_v8_0_post_soft_reset(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang) + return 0; + + gmc_v8_0_mc_resume(adev, &adev->mc.save); + return 0; +} + static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type, @@ -1414,7 +1449,10 @@ const struct amd_ip_funcs gmc_v8_0_ip_funcs = { .resume = gmc_v8_0_resume, .is_idle = gmc_v8_0_is_idle, .wait_for_idle = gmc_v8_0_wait_for_idle, + .check_soft_reset = gmc_v8_0_check_soft_reset, + .pre_soft_reset = gmc_v8_0_pre_soft_reset, .soft_reset = gmc_v8_0_soft_reset, + .post_soft_reset = gmc_v8_0_post_soft_reset, .set_clockgating_state = gmc_v8_0_set_clockgating_state, .set_powergating_state = gmc_v8_0_set_powergating_state, }; |
