From 97c002be4113e50ddca424c7ebbfd4840402605f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 11 Mar 2019 18:05:12 -0500 Subject: drm/amdgpu: enable BACO reset for SMU7 based dGPUs (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use BACO to reset the GPU if supported on SMU7 based dGPUs. v2: don't use baco on CI parts Reviewed-by: Evan Quan Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cik.c | 48 +++++++++++++++++++++++++++++++++++----- 1 file changed, 43 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index b81bb414fcb3..fc8b34480f66 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1270,15 +1270,15 @@ 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; @@ -1294,7 +1294,45 @@ static int cik_asic_reset(struct amdgpu_device *adev) static enum amd_reset_method cik_asic_reset_method(struct amdgpu_device *adev) { - return AMD_RESET_METHOD_LEGACY; + 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) -- cgit v1.2.3 From 664fe85a2d9283c30044d821c708860999c52f28 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Tue, 22 Oct 2019 17:22:38 -0400 Subject: drm/amdgpu: Allow reading more status registers on si/cik MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow userspace to read the same status registers for every family. Based on commit c7890fea, added any of these registers if defined in the include files of each architecture. Signed-off-by: Marek Olšák Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 ++- drivers/gpu/drm/amd/amdgpu/cik.c | 19 +++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/nv.c | 1 + drivers/gpu/drm/amd/amdgpu/si.c | 11 +++++++++++ drivers/gpu/drm/amd/amdgpu/soc15.c | 1 + 5 files changed, 34 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f3e7660d6167..3378b4209162 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -83,9 +83,10 @@ * - 3.33.0 - Fixes for GDS ENOMEM failures in AMDGPU_CS. * - 3.34.0 - Non-DC can flip correctly between buffers with different pitches * - 3.35.0 - Add drm_amdgpu_info_device::tcc_disabled_mask + * - 3.36.0 - Allow reading more status registers on si/cik */ #define KMS_DRIVER_MAJOR 3 -#define KMS_DRIVER_MINOR 35 +#define KMS_DRIVER_MINOR 36 #define KMS_DRIVER_PATCHLEVEL 0 int amdgpu_vram_limit = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index fc8b34480f66..2d64d270725d 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -966,6 +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}, diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 46206a1a1f4d..22ab1955b923 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -178,6 +178,7 @@ static struct soc15_allowed_register_entry nv_allowed_read_registers[] = { { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)}, + { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)}, { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)}, diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 493af42152f2..29024e64c886 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -975,6 +975,17 @@ static void si_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) static struct amdgpu_allowed_register_entry si_allowed_read_registers[] = { {GRBM_STATUS}, + {mmGRBM_STATUS2}, + {mmGRBM_STATUS_SE0}, + {mmGRBM_STATUS_SE1}, + {mmSRBM_STATUS}, + {mmSRBM_STATUS2}, + {DMA_STATUS_REG + DMA0_REGISTER_OFFSET}, + {DMA_STATUS_REG + DMA1_REGISTER_OFFSET}, + {mmCP_STAT}, + {mmCP_STALLED_STAT1}, + {mmCP_STALLED_STAT2}, + {mmCP_STALLED_STAT3}, {GB_ADDR_CONFIG}, {MC_ARB_RAMCFG}, {GB_TILE_MODE0}, diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 9be0168217f5..741b564b4aa5 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -339,6 +339,7 @@ static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = { { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)}, + { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)}, { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)}, { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)}, -- cgit v1.2.3 From 19d7a95a8ba66b198f759cf610cc935ce9840d5b Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 20 Nov 2019 17:52:48 -0600 Subject: drm/amdgpu: Correct Transmit Margin masks Previously we masked PCIe Link Control 2 register values with "7 << 9", which was apparently intended to be the Transmit Margin field, but instead was the high order bit of Transmit Margin, the Enter Modified Compliance bit, and the Compliance SOS bit. Correct the mask to "7 << 7", which is the Transmit Margin field. Link: https://lore.kernel.org/r/20191112173503.176611-3-helgaas@kernel.org Signed-off-by: Bjorn Helgaas Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cik.c | 8 ++++---- drivers/gpu/drm/amd/amdgpu/si.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index b81bb414fcb3..13a5696d2a6a 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1498,13 +1498,13 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) /* linkctl2 */ pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 9)); - tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9))); + tmp16 &= ~((1 << 4) | (7 << 7)); + tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 7))); pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16); pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 9)); - tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9))); + tmp16 &= ~((1 << 4) | (7 << 7)); + tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 7))); pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); tmp = RREG32_PCIE(ixPCIE_LC_CNTL4); diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 493af42152f2..1e350172dc7b 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1737,13 +1737,13 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16); pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 9)); - tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9))); + tmp16 &= ~((1 << 4) | (7 << 7)); + tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 7))); pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16); pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 9)); - tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9))); + tmp16 &= ~((1 << 4) | (7 << 7)); + tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 7))); pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4); -- cgit v1.2.3 From 35e768e296729ac96a8c33b7810b6cb1673ae961 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Thu, 21 Nov 2019 07:23:41 -0600 Subject: drm/amdgpu: Replace numbers with PCI_EXP_LNKCTL2 definitions Replace hard-coded magic numbers with the descriptive PCI_EXP_LNKCTL2 definitions. No functional change intended. Link: https://lore.kernel.org/r/20191112173503.176611-4-helgaas@kernel.org Signed-off-by: Bjorn Helgaas Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cik.c | 22 ++++++++++++++-------- drivers/gpu/drm/amd/amdgpu/si.c | 22 ++++++++++++++-------- 2 files changed, 28 insertions(+), 16 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 13a5696d2a6a..3067bb874032 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1498,13 +1498,19 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) /* linkctl2 */ pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 7)); - tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 7))); + tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN); + tmp16 |= (bridge_cfg2 & + (PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN)); pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16); pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 7)); - tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 7))); + tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN); + tmp16 |= (gpu_cfg2 & + (PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN)); pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); tmp = RREG32_PCIE(ixPCIE_LC_CNTL4); @@ -1521,13 +1527,13 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl); pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~0xf; + tmp16 &= ~PCI_EXP_LNKCTL2_TLS; if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) - tmp16 |= 3; /* gen3 */ + tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */ else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) - tmp16 |= 2; /* gen2 */ + tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */ else - tmp16 |= 1; /* gen1 */ + tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */ pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL); diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 1e350172dc7b..a7dcb0d0f039 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1737,13 +1737,19 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16); pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 7)); - tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 7))); + tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN); + tmp16 |= (bridge_cfg2 & + (PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN)); pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16); pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~((1 << 4) | (7 << 7)); - tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 7))); + tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN); + tmp16 |= (gpu_cfg2 & + (PCI_EXP_LNKCTL2_ENTER_COMP | + PCI_EXP_LNKCTL2_TX_MARGIN)); pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4); @@ -1758,13 +1764,13 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); - tmp16 &= ~0xf; + tmp16 &= ~PCI_EXP_LNKCTL2_TLS; if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) - tmp16 |= 3; + tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */ else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) - tmp16 |= 2; + tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */ else - tmp16 |= 1; + tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */ pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); -- cgit v1.2.3 From 88027c89ea146e32485251f1c2dddcde43c8d04e Mon Sep 17 00:00:00 2001 From: Frederick Lawler Date: Sun, 17 Nov 2019 18:35:13 -0600 Subject: drm/amdgpu: Prefer pcie_capability_read_word() Commit 8c0d3a02c130 ("PCI: Add accessors for PCI Express Capability") added accessors for the PCI Express Capability so that drivers didn't need to be aware of differences between v1 and v2 of the PCI Express Capability. Replace pci_read_config_word() and pci_write_config_word() calls with pcie_capability_read_word() and pcie_capability_write_word(). [bhelgaas: fix a couple remaining instances in cik.c] Link: https://lore.kernel.org/r/20191118003513.10852-1-fred@fredlawl.com Signed-off-by: Frederick Lawler Signed-off-by: Bjorn Helgaas Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cik.c | 71 +++++++++++++++++++++++++--------------- drivers/gpu/drm/amd/amdgpu/si.c | 71 +++++++++++++++++++++++++--------------- 2 files changed, 90 insertions(+), 52 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 3067bb874032..38b06ae6357a 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1384,7 +1384,6 @@ static int cik_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) static void cik_pcie_gen3_enable(struct amdgpu_device *adev) { struct pci_dev *root = adev->pdev->bus->self; - int bridge_pos, gpu_pos; u32 speed_cntl, current_data_rate; int i; u16 tmp16; @@ -1419,12 +1418,7 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) DRM_INFO("enabling PCIE gen 2 link speeds, disable with amdgpu.pcie_gen2=0\n"); } - bridge_pos = pci_pcie_cap(root); - if (!bridge_pos) - return; - - gpu_pos = pci_pcie_cap(adev->pdev); - if (!gpu_pos) + if (!pci_is_pcie(root) || !pci_is_pcie(adev->pdev)) return; if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) { @@ -1434,14 +1428,17 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) u16 bridge_cfg2, gpu_cfg2; u32 max_lw, current_lw, tmp; - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg); + pcie_capability_read_word(root, PCI_EXP_LNKCTL, + &bridge_cfg); + pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL, + &gpu_cfg); tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD; - pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(root, PCI_EXP_LNKCTL, tmp16); tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD; - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL, + tmp16); tmp = RREG32_PCIE(ixPCIE_LC_STATUS1); max_lw = (tmp & PCIE_LC_STATUS1__LC_DETECTED_LINK_WIDTH_MASK) >> @@ -1465,15 +1462,23 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) for (i = 0; i < 10; i++) { /* check status */ - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16); + pcie_capability_read_word(adev->pdev, + PCI_EXP_DEVSTA, + &tmp16); if (tmp16 & PCI_EXP_DEVSTA_TRPND) break; - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg); + pcie_capability_read_word(root, PCI_EXP_LNKCTL, + &bridge_cfg); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL, + &gpu_cfg); - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2); + pcie_capability_read_word(root, PCI_EXP_LNKCTL2, + &bridge_cfg2); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL2, + &gpu_cfg2); tmp = RREG32_PCIE(ixPCIE_LC_CNTL4); tmp |= PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK; @@ -1486,32 +1491,45 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) msleep(100); /* linkctl */ - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16); + pcie_capability_read_word(root, PCI_EXP_LNKCTL, + &tmp16); tmp16 &= ~PCI_EXP_LNKCTL_HAWD; tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD); - pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(root, PCI_EXP_LNKCTL, + tmp16); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL, + &tmp16); tmp16 &= ~PCI_EXP_LNKCTL_HAWD; tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD); - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(adev->pdev, + PCI_EXP_LNKCTL, + tmp16); /* linkctl2 */ - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16); + pcie_capability_read_word(root, PCI_EXP_LNKCTL2, + &tmp16); tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN); tmp16 |= (bridge_cfg2 & (PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN)); - pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16); + pcie_capability_write_word(root, + PCI_EXP_LNKCTL2, + tmp16); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL2, + &tmp16); tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN); tmp16 |= (gpu_cfg2 & (PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN)); - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); + pcie_capability_write_word(adev->pdev, + PCI_EXP_LNKCTL2, + tmp16); tmp = RREG32_PCIE(ixPCIE_LC_CNTL4); tmp &= ~PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK; @@ -1526,15 +1544,16 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) speed_cntl &= ~PCIE_LC_SPEED_CNTL__LC_FORCE_DIS_SW_SPEED_CHANGE_MASK; WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); + pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL2, &tmp16); tmp16 &= ~PCI_EXP_LNKCTL2_TLS; + if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */ else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */ else tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */ - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); + pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL2, tmp16); speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL); speed_cntl |= PCIE_LC_SPEED_CNTL__LC_INITIATE_LINK_SPEED_CHANGE_MASK; diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index a7dcb0d0f039..9f82be879224 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1633,7 +1633,6 @@ static void si_init_golden_registers(struct amdgpu_device *adev) static void si_pcie_gen3_enable(struct amdgpu_device *adev) { struct pci_dev *root = adev->pdev->bus->self; - int bridge_pos, gpu_pos; u32 speed_cntl, current_data_rate; int i; u16 tmp16; @@ -1668,12 +1667,7 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) DRM_INFO("enabling PCIE gen 2 link speeds, disable with amdgpu.pcie_gen2=0\n"); } - bridge_pos = pci_pcie_cap(root); - if (!bridge_pos) - return; - - gpu_pos = pci_pcie_cap(adev->pdev); - if (!gpu_pos) + if (!pci_is_pcie(root) || !pci_is_pcie(adev->pdev)) return; if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) { @@ -1682,14 +1676,17 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) u16 bridge_cfg2, gpu_cfg2; u32 max_lw, current_lw, tmp; - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg); + pcie_capability_read_word(root, PCI_EXP_LNKCTL, + &bridge_cfg); + pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL, + &gpu_cfg); tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD; - pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(root, PCI_EXP_LNKCTL, tmp16); tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD; - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL, + tmp16); tmp = RREG32_PCIE(PCIE_LC_STATUS1); max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT; @@ -1706,15 +1703,23 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) } for (i = 0; i < 10; i++) { - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16); + pcie_capability_read_word(adev->pdev, + PCI_EXP_DEVSTA, + &tmp16); if (tmp16 & PCI_EXP_DEVSTA_TRPND) break; - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg); + pcie_capability_read_word(root, PCI_EXP_LNKCTL, + &bridge_cfg); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL, + &gpu_cfg); - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2); + pcie_capability_read_word(root, PCI_EXP_LNKCTL2, + &bridge_cfg2); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL2, + &gpu_cfg2); tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4); tmp |= LC_SET_QUIESCE; @@ -1726,31 +1731,44 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) mdelay(100); - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16); + pcie_capability_read_word(root, PCI_EXP_LNKCTL, + &tmp16); tmp16 &= ~PCI_EXP_LNKCTL_HAWD; tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD); - pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(root, PCI_EXP_LNKCTL, + tmp16); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL, + &tmp16); tmp16 &= ~PCI_EXP_LNKCTL_HAWD; tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD); - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16); + pcie_capability_write_word(adev->pdev, + PCI_EXP_LNKCTL, + tmp16); - pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16); + pcie_capability_read_word(root, PCI_EXP_LNKCTL2, + &tmp16); tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN); tmp16 |= (bridge_cfg2 & (PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN)); - pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16); + pcie_capability_write_word(root, + PCI_EXP_LNKCTL2, + tmp16); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); + pcie_capability_read_word(adev->pdev, + PCI_EXP_LNKCTL2, + &tmp16); tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN); tmp16 |= (gpu_cfg2 & (PCI_EXP_LNKCTL2_ENTER_COMP | PCI_EXP_LNKCTL2_TX_MARGIN)); - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); + pcie_capability_write_word(adev->pdev, + PCI_EXP_LNKCTL2, + tmp16); tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4); tmp &= ~LC_SET_QUIESCE; @@ -1763,15 +1781,16 @@ static void si_pcie_gen3_enable(struct amdgpu_device *adev) speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE; WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); - pci_read_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16); + pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL2, &tmp16); tmp16 &= ~PCI_EXP_LNKCTL2_TLS; + if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */ else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */ else tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */ - pci_write_config_word(adev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16); + pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL2, tmp16); speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE; -- cgit v1.2.3 From dea8b900293df57b6545bc195b50bbb649fe9741 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 25 Nov 2019 11:11:18 -0500 Subject: drm/amdgpu: flag vram lost on baco reset for VI/CIK MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit VI/CIK BACO was inflight when this fix landed for SOC15/NV. Add the fix to VI/CIK as well. Acked-by: Evan Quan Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cik.c | 7 +++++-- drivers/gpu/drm/amd/amdgpu/vi.c | 7 +++++-- 2 files changed, 10 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 2d64d270725d..b22a10b2d201 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1346,10 +1346,13 @@ static int cik_asic_reset(struct amdgpu_device *adev) { int r; - if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) + if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { + if (!adev->in_suspend) + amdgpu_inc_vram_lost(adev); r = smu7_asic_baco_reset(adev); - else + } else { r = cik_asic_pci_config_reset(adev); + } return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 78e5cdc0c058..f1b171e30774 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -783,10 +783,13 @@ static int vi_asic_reset(struct amdgpu_device *adev) { int r; - if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) + if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { + if (!adev->in_suspend) + amdgpu_inc_vram_lost(adev); r = smu7_asic_baco_reset(adev); - else + } else { r = vi_asic_pci_config_reset(adev); + } return r; } -- cgit v1.2.3