diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik.c | 88 |
1 files changed, 83 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 07c1f239e9c3..2d64d270725d 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -24,7 +24,8 @@ #include <linux/firmware.h> #include <linux/slab.h> #include <linux/module.h> -#include <drm/drmP.h> +#include <linux/pci.h> + #include "amdgpu.h" #include "amdgpu_atombios.h" #include "amdgpu_ih.h" @@ -965,6 +966,25 @@ static bool cik_read_bios_from_rom(struct amdgpu_device *adev, static const struct amdgpu_allowed_register_entry cik_allowed_read_registers[] = { {mmGRBM_STATUS}, + {mmGRBM_STATUS2}, + {mmGRBM_STATUS_SE0}, + {mmGRBM_STATUS_SE1}, + {mmGRBM_STATUS_SE2}, + {mmGRBM_STATUS_SE3}, + {mmSRBM_STATUS}, + {mmSRBM_STATUS2}, + {mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET}, + {mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET}, + {mmCP_STAT}, + {mmCP_STALLED_STAT1}, + {mmCP_STALLED_STAT2}, + {mmCP_STALLED_STAT3}, + {mmCP_CPF_BUSY_STAT}, + {mmCP_CPF_STALLED_STAT1}, + {mmCP_CPF_STATUS}, + {mmCP_CPC_BUSY_STAT}, + {mmCP_CPC_STALLED_STAT1}, + {mmCP_CPC_STATUS}, {mmGB_ADDR_CONFIG}, {mmMC_ARB_RAMCFG}, {mmGB_TILE_MODE0}, @@ -1269,15 +1289,15 @@ static int cik_gpu_pci_config_reset(struct amdgpu_device *adev) } /** - * cik_asic_reset - soft reset GPU + * cik_asic_pci_config_reset - soft reset GPU * * @adev: amdgpu_device pointer * - * Look up which blocks are hung and attempt - * to reset them. + * Use PCI Config method to reset the GPU. + * * Returns 0 for success. */ -static int cik_asic_reset(struct amdgpu_device *adev) +static int cik_asic_pci_config_reset(struct amdgpu_device *adev) { int r; @@ -1290,6 +1310,50 @@ static int cik_asic_reset(struct amdgpu_device *adev) return r; } +static enum amd_reset_method +cik_asic_reset_method(struct amdgpu_device *adev) +{ + bool baco_reset; + + switch (adev->asic_type) { + case CHIP_BONAIRE: + case CHIP_HAWAII: + /* disable baco reset until it works */ + /* smu7_asic_get_baco_capability(adev, &baco_reset); */ + baco_reset = false; + break; + default: + baco_reset = false; + break; + } + + if (baco_reset) + return AMD_RESET_METHOD_BACO; + else + return AMD_RESET_METHOD_LEGACY; +} + +/** + * cik_asic_reset - soft reset GPU + * + * @adev: amdgpu_device pointer + * + * Look up which blocks are hung and attempt + * to reset them. + * Returns 0 for success. + */ +static int cik_asic_reset(struct amdgpu_device *adev) +{ + int r; + + if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) + r = smu7_asic_baco_reset(adev); + else + r = cik_asic_pci_config_reset(adev); + + return r; +} + static u32 cik_get_config_memsize(struct amdgpu_device *adev) { return RREG32(mmCONFIG_MEMSIZE); @@ -1804,12 +1868,25 @@ static bool cik_need_reset_on_init(struct amdgpu_device *adev) return false; } +static uint64_t cik_get_pcie_replay_count(struct amdgpu_device *adev) +{ + uint64_t nak_r, nak_g; + + /* Get the number of NAKs received and generated */ + nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK); + nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED); + + /* Add the total number of NAKs, i.e the number of replays */ + return (nak_r + nak_g); +} + static const struct amdgpu_asic_funcs cik_asic_funcs = { .read_disabled_bios = &cik_read_disabled_bios, .read_bios_from_rom = &cik_read_bios_from_rom, .read_register = &cik_read_register, .reset = &cik_asic_reset, + .reset_method = &cik_asic_reset_method, .set_vga_state = &cik_vga_set_state, .get_xclk = &cik_get_xclk, .set_uvd_clocks = &cik_set_uvd_clocks, @@ -1821,6 +1898,7 @@ static const struct amdgpu_asic_funcs cik_asic_funcs = .init_doorbell_index = &legacy_doorbell_index_init, .get_pcie_usage = &cik_get_pcie_usage, .need_reset_on_init = &cik_need_reset_on_init, + .get_pcie_replay_count = &cik_get_pcie_replay_count, }; static int cik_common_early_init(void *handle) |