return -EINVAL;
}
-static void cik_print_gpu_status_regs(struct amdgpu_device *adev)
-{
- dev_info(adev->dev, " GRBM_STATUS=0x%08X\n",
- RREG32(mmGRBM_STATUS));
- dev_info(adev->dev, " GRBM_STATUS2=0x%08X\n",
- RREG32(mmGRBM_STATUS2));
- dev_info(adev->dev, " GRBM_STATUS_SE0=0x%08X\n",
- RREG32(mmGRBM_STATUS_SE0));
- dev_info(adev->dev, " GRBM_STATUS_SE1=0x%08X\n",
- RREG32(mmGRBM_STATUS_SE1));
- dev_info(adev->dev, " GRBM_STATUS_SE2=0x%08X\n",
- RREG32(mmGRBM_STATUS_SE2));
- dev_info(adev->dev, " GRBM_STATUS_SE3=0x%08X\n",
- RREG32(mmGRBM_STATUS_SE3));
- dev_info(adev->dev, " SRBM_STATUS=0x%08X\n",
- RREG32(mmSRBM_STATUS));
- dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n",
- RREG32(mmSRBM_STATUS2));
- dev_info(adev->dev, " SDMA0_STATUS_REG = 0x%08X\n",
- RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET));
- dev_info(adev->dev, " SDMA1_STATUS_REG = 0x%08X\n",
- RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET));
- dev_info(adev->dev, " CP_STAT = 0x%08x\n", RREG32(mmCP_STAT));
- dev_info(adev->dev, " CP_STALLED_STAT1 = 0x%08x\n",
- RREG32(mmCP_STALLED_STAT1));
- dev_info(adev->dev, " CP_STALLED_STAT2 = 0x%08x\n",
- RREG32(mmCP_STALLED_STAT2));
- dev_info(adev->dev, " CP_STALLED_STAT3 = 0x%08x\n",
- RREG32(mmCP_STALLED_STAT3));
- dev_info(adev->dev, " CP_CPF_BUSY_STAT = 0x%08x\n",
- RREG32(mmCP_CPF_BUSY_STAT));
- dev_info(adev->dev, " CP_CPF_STALLED_STAT1 = 0x%08x\n",
- RREG32(mmCP_CPF_STALLED_STAT1));
- dev_info(adev->dev, " CP_CPF_STATUS = 0x%08x\n", RREG32(mmCP_CPF_STATUS));
- dev_info(adev->dev, " CP_CPC_BUSY_STAT = 0x%08x\n", RREG32(mmCP_CPC_BUSY_STAT));
- dev_info(adev->dev, " CP_CPC_STALLED_STAT1 = 0x%08x\n",
- RREG32(mmCP_CPC_STALLED_STAT1));
- dev_info(adev->dev, " CP_CPC_STATUS = 0x%08x\n", RREG32(mmCP_CPC_STATUS));
-}
-
-/**
- * cik_gpu_check_soft_reset - check which blocks are busy
- *
- * @adev: amdgpu_device pointer
- *
- * Check which blocks are busy and return the relevant reset
- * mask to be used by cik_gpu_soft_reset().
- * Returns a mask of the blocks to be reset.
- */
-u32 amdgpu_cik_gpu_check_soft_reset(struct amdgpu_device *adev)
-{
- u32 reset_mask = 0;
- u32 tmp;
-
- /* GRBM_STATUS */
- tmp = RREG32(mmGRBM_STATUS);
- if (tmp & (GRBM_STATUS__PA_BUSY_MASK | GRBM_STATUS__SC_BUSY_MASK |
- GRBM_STATUS__BCI_BUSY_MASK | GRBM_STATUS__SX_BUSY_MASK |
- GRBM_STATUS__TA_BUSY_MASK | GRBM_STATUS__VGT_BUSY_MASK |
- GRBM_STATUS__DB_BUSY_MASK | GRBM_STATUS__CB_BUSY_MASK |
- GRBM_STATUS__GDS_BUSY_MASK | GRBM_STATUS__SPI_BUSY_MASK |
- GRBM_STATUS__IA_BUSY_MASK | GRBM_STATUS__IA_BUSY_NO_DMA_MASK))
- reset_mask |= AMDGPU_RESET_GFX;
-
- if (tmp & (GRBM_STATUS__CP_BUSY_MASK | GRBM_STATUS__CP_COHERENCY_BUSY_MASK))
- reset_mask |= AMDGPU_RESET_CP;
-
- /* GRBM_STATUS2 */
- tmp = RREG32(mmGRBM_STATUS2);
- if (tmp & GRBM_STATUS2__RLC_BUSY_MASK)
- reset_mask |= AMDGPU_RESET_RLC;
-
- /* SDMA0_STATUS_REG */
- tmp = RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET);
- if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
- reset_mask |= AMDGPU_RESET_DMA;
-
- /* SDMA1_STATUS_REG */
- tmp = RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET);
- if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
- reset_mask |= AMDGPU_RESET_DMA1;
-
- /* SRBM_STATUS2 */
- tmp = RREG32(mmSRBM_STATUS2);
- if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK)
- reset_mask |= AMDGPU_RESET_DMA;
-
- if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK)
- reset_mask |= AMDGPU_RESET_DMA1;
-
- /* SRBM_STATUS */
- tmp = RREG32(mmSRBM_STATUS);
-
- if (tmp & SRBM_STATUS__IH_BUSY_MASK)
- reset_mask |= AMDGPU_RESET_IH;
-
- if (tmp & SRBM_STATUS__SEM_BUSY_MASK)
- reset_mask |= AMDGPU_RESET_SEM;
-
- if (tmp & SRBM_STATUS__GRBM_RQ_PENDING_MASK)
- reset_mask |= AMDGPU_RESET_GRBM;
-
- if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
- reset_mask |= AMDGPU_RESET_VMC;
-
- if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
- SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK))
- reset_mask |= AMDGPU_RESET_MC;
-
- if (amdgpu_display_is_display_hung(adev))
- reset_mask |= AMDGPU_RESET_DISPLAY;
-
- /* Skip MC reset as it's mostly likely not hung, just busy */
- if (reset_mask & AMDGPU_RESET_MC) {
- DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
- reset_mask &= ~AMDGPU_RESET_MC;
- }
-
- return reset_mask;
-}
-
-/**
- * cik_gpu_soft_reset - soft reset GPU
- *
- * @adev: amdgpu_device pointer
- * @reset_mask: mask of which blocks to reset
- *
- * Soft reset the blocks specified in @reset_mask.
- */
-static void cik_gpu_soft_reset(struct amdgpu_device *adev, u32 reset_mask)
-{
- struct amdgpu_mode_mc_save save;
- u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
- u32 tmp;
-
- if (reset_mask == 0)
- return;
-
- dev_info(adev->dev, "GPU softreset: 0x%08X\n", reset_mask);
-
- cik_print_gpu_status_regs(adev);
- dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
- RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR));
- dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
- RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS));
-
- /* disable CG/PG */
-
- /* stop the rlc */
- gfx_v7_0_rlc_stop(adev);
-
- /* Disable GFX parsing/prefetching */
- WREG32(mmCP_ME_CNTL, CP_ME_CNTL__ME_HALT_MASK | CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK);
-
- /* Disable MEC parsing/prefetching */
- WREG32(mmCP_MEC_CNTL, CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK);
-
- if (reset_mask & AMDGPU_RESET_DMA) {
- /* sdma0 */
- tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
- tmp |= SDMA0_F32_CNTL__HALT_MASK;
- WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
- }
- if (reset_mask & AMDGPU_RESET_DMA1) {
- /* sdma1 */
- tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
- tmp |= SDMA0_F32_CNTL__HALT_MASK;
- WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
- }
-
- gmc_v7_0_mc_stop(adev, &save);
- if (amdgpu_asic_wait_for_mc_idle(adev)) {
- dev_warn(adev->dev, "Wait for MC idle timedout !\n");
- }
-
- if (reset_mask & (AMDGPU_RESET_GFX | AMDGPU_RESET_COMPUTE | AMDGPU_RESET_CP))
- grbm_soft_reset = GRBM_SOFT_RESET__SOFT_RESET_CP_MASK |
- GRBM_SOFT_RESET__SOFT_RESET_GFX_MASK;
-
- if (reset_mask & AMDGPU_RESET_CP) {
- grbm_soft_reset |= GRBM_SOFT_RESET__SOFT_RESET_CP_MASK;
-
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_GRBM_MASK;
- }
-
- if (reset_mask & AMDGPU_RESET_DMA)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK;
-
- if (reset_mask & AMDGPU_RESET_DMA1)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK;
-
- if (reset_mask & AMDGPU_RESET_DISPLAY)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
-
- if (reset_mask & AMDGPU_RESET_RLC)
- grbm_soft_reset |= GRBM_SOFT_RESET__SOFT_RESET_RLC_MASK;
-
- if (reset_mask & AMDGPU_RESET_SEM)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SEM_MASK;
-
- if (reset_mask & AMDGPU_RESET_IH)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_IH_MASK;
-
- if (reset_mask & AMDGPU_RESET_GRBM)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_GRBM_MASK;
-
- if (reset_mask & AMDGPU_RESET_VMC)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_VMC_MASK;
-
- if (!(adev->flags & AMD_IS_APU)) {
- if (reset_mask & AMDGPU_RESET_MC)
- srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_MC_MASK;
- }
-
- if (grbm_soft_reset) {
- tmp = RREG32(mmGRBM_SOFT_RESET);
- tmp |= grbm_soft_reset;
- dev_info(adev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
- WREG32(mmGRBM_SOFT_RESET, tmp);
- tmp = RREG32(mmGRBM_SOFT_RESET);
-
- udelay(50);
-
- tmp &= ~grbm_soft_reset;
- WREG32(mmGRBM_SOFT_RESET, tmp);
- tmp = RREG32(mmGRBM_SOFT_RESET);
- }
-
- if (srbm_soft_reset) {
- tmp = RREG32(mmSRBM_SOFT_RESET);
- tmp |= srbm_soft_reset;
- dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
- WREG32(mmSRBM_SOFT_RESET, tmp);
- tmp = RREG32(mmSRBM_SOFT_RESET);
-
- udelay(50);
-
- tmp &= ~srbm_soft_reset;
- WREG32(mmSRBM_SOFT_RESET, tmp);
- tmp = RREG32(mmSRBM_SOFT_RESET);
- }
-
- /* Wait a little for things to settle down */
- udelay(50);
-
- gmc_v7_0_mc_resume(adev, &save);
- udelay(50);
-
- cik_print_gpu_status_regs(adev);
-}
-
struct kv_reset_save_regs {
u32 gmcon_reng_execute;
u32 gmcon_misc;
static void cik_gpu_pci_config_reset(struct amdgpu_device *adev)
{
- struct amdgpu_mode_mc_save save;
struct kv_reset_save_regs kv_save = { 0 };
- u32 tmp, i;
+ u32 i;
dev_info(adev->dev, "GPU pci config reset\n");
- /* disable dpm? */
-
- /* disable cg/pg */
-
- /* Disable GFX parsing/prefetching */
- WREG32(mmCP_ME_CNTL, CP_ME_CNTL__ME_HALT_MASK |
- CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK);
-
- /* Disable MEC parsing/prefetching */
- WREG32(mmCP_MEC_CNTL,
- CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK);
-
- /* sdma0 */
- tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
- tmp |= SDMA0_F32_CNTL__HALT_MASK;
- WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
- /* sdma1 */
- tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
- tmp |= SDMA0_F32_CNTL__HALT_MASK;
- WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
- /* XXX other engines? */
-
- /* halt the rlc, disable cp internal ints */
- gfx_v7_0_rlc_stop(adev);
-
- udelay(50);
-
- /* disable mem access */
- gmc_v7_0_mc_stop(adev, &save);
- if (amdgpu_asic_wait_for_mc_idle(adev)) {
- dev_warn(adev->dev, "Wait for MC idle timed out !\n");
- }
-
if (adev->flags & AMD_IS_APU)
kv_save_regs_for_reset(adev, &kv_save);
*/
static int cik_asic_reset(struct amdgpu_device *adev)
{
- u32 reset_mask;
-
- reset_mask = amdgpu_cik_gpu_check_soft_reset(adev);
-
- if (reset_mask)
- cik_set_bios_scratch_engine_hung(adev, true);
-
- /* try soft reset */
- cik_gpu_soft_reset(adev, reset_mask);
-
- reset_mask = amdgpu_cik_gpu_check_soft_reset(adev);
-
- /* try pci config reset */
- if (reset_mask && amdgpu_hard_reset)
- cik_gpu_pci_config_reset(adev);
+ cik_set_bios_scratch_engine_hung(adev, true);
- reset_mask = amdgpu_cik_gpu_check_soft_reset(adev);
+ cik_gpu_pci_config_reset(adev);
- if (!reset_mask)
- cik_set_bios_scratch_engine_hung(adev, false);
+ cik_set_bios_scratch_engine_hung(adev, false);
return 0;
}
projects / openwrt / staging / blogic.git / commitdiff