diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1900 |
1 files changed, 380 insertions, 1520 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 3573ecdb06ee..00a50cc5ec9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -28,7 +28,6 @@ #include <linux/kthread.h> #include <linux/console.h> #include <linux/slab.h> -#include <linux/debugfs.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_atomic_helper.h> @@ -64,11 +63,6 @@ MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); #define AMDGPU_RESUME_MS 2000 -static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); -static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); -static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev); -static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev); - static const char *amdgpu_asic_name[] = { "TAHITI", "PITCAIRN", @@ -333,7 +327,7 @@ static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, BUG(); } -static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) +static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) { return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, @@ -342,13 +336,13 @@ static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) (void **)&adev->vram_scratch.ptr); } -static void amdgpu_vram_scratch_fini(struct amdgpu_device *adev) +static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) { amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); } /** - * amdgpu_program_register_sequence - program an array of registers. + * amdgpu_device_program_register_sequence - program an array of registers. * * @adev: amdgpu_device pointer * @registers: pointer to the register array @@ -357,9 +351,9 @@ static void amdgpu_vram_scratch_fini(struct amdgpu_device *adev) * Programs an array or registers with and and or masks. * This is a helper for setting golden registers. */ -void amdgpu_program_register_sequence(struct amdgpu_device *adev, - const u32 *registers, - const u32 array_size) +void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, + const u32 *registers, + const u32 array_size) { u32 tmp, reg, and_mask, or_mask; int i; @@ -383,7 +377,7 @@ void amdgpu_program_register_sequence(struct amdgpu_device *adev, } } -void amdgpu_pci_config_reset(struct amdgpu_device *adev) +void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) { pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); } @@ -392,14 +386,14 @@ void amdgpu_pci_config_reset(struct amdgpu_device *adev) * GPU doorbell aperture helpers function. */ /** - * amdgpu_doorbell_init - Init doorbell driver information. + * amdgpu_device_doorbell_init - Init doorbell driver information. * * @adev: amdgpu_device pointer * * Init doorbell driver information (CIK) * Returns 0 on success, error on failure. */ -static int amdgpu_doorbell_init(struct amdgpu_device *adev) +static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) { /* No doorbell on SI hardware generation */ if (adev->asic_type < CHIP_BONAIRE) { @@ -410,6 +404,9 @@ static int amdgpu_doorbell_init(struct amdgpu_device *adev) return 0; } + if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) + return -EINVAL; + /* doorbell bar mapping */ adev->doorbell.base = pci_resource_start(adev->pdev, 2); adev->doorbell.size = pci_resource_len(adev->pdev, 2); @@ -429,66 +426,35 @@ static int amdgpu_doorbell_init(struct amdgpu_device *adev) } /** - * amdgpu_doorbell_fini - Tear down doorbell driver information. + * amdgpu_device_doorbell_fini - Tear down doorbell driver information. * * @adev: amdgpu_device pointer * * Tear down doorbell driver information (CIK) */ -static void amdgpu_doorbell_fini(struct amdgpu_device *adev) +static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) { iounmap(adev->doorbell.ptr); adev->doorbell.ptr = NULL; } -/** - * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to - * setup amdkfd - * - * @adev: amdgpu_device pointer - * @aperture_base: output returning doorbell aperture base physical address - * @aperture_size: output returning doorbell aperture size in bytes - * @start_offset: output returning # of doorbell bytes reserved for amdgpu. - * - * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up, - * takes doorbells required for its own rings and reports the setup to amdkfd. - * amdgpu reserved doorbells are at the start of the doorbell aperture. - */ -void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, - phys_addr_t *aperture_base, - size_t *aperture_size, - size_t *start_offset) -{ - /* - * The first num_doorbells are used by amdgpu. - * amdkfd takes whatever's left in the aperture. - */ - if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) { - *aperture_base = adev->doorbell.base; - *aperture_size = adev->doorbell.size; - *start_offset = adev->doorbell.num_doorbells * sizeof(u32); - } else { - *aperture_base = 0; - *aperture_size = 0; - *start_offset = 0; - } -} + /* - * amdgpu_wb_*() + * amdgpu_device_wb_*() * Writeback is the method by which the GPU updates special pages in memory * with the status of certain GPU events (fences, ring pointers,etc.). */ /** - * amdgpu_wb_fini - Disable Writeback and free memory + * amdgpu_device_wb_fini - Disable Writeback and free memory * * @adev: amdgpu_device pointer * * Disables Writeback and frees the Writeback memory (all asics). * Used at driver shutdown. */ -static void amdgpu_wb_fini(struct amdgpu_device *adev) +static void amdgpu_device_wb_fini(struct amdgpu_device *adev) { if (adev->wb.wb_obj) { amdgpu_bo_free_kernel(&adev->wb.wb_obj, @@ -499,7 +465,7 @@ static void amdgpu_wb_fini(struct amdgpu_device *adev) } /** - * amdgpu_wb_init- Init Writeback driver info and allocate memory + * amdgpu_device_wb_init- Init Writeback driver info and allocate memory * * @adev: amdgpu_device pointer * @@ -507,7 +473,7 @@ static void amdgpu_wb_fini(struct amdgpu_device *adev) * Used at driver startup. * Returns 0 on success or an -error on failure. */ -static int amdgpu_wb_init(struct amdgpu_device *adev) +static int amdgpu_device_wb_init(struct amdgpu_device *adev) { int r; @@ -533,7 +499,7 @@ static int amdgpu_wb_init(struct amdgpu_device *adev) } /** - * amdgpu_wb_get - Allocate a wb entry + * amdgpu_device_wb_get - Allocate a wb entry * * @adev: amdgpu_device pointer * @wb: wb index @@ -541,7 +507,7 @@ static int amdgpu_wb_init(struct amdgpu_device *adev) * Allocate a wb slot for use by the driver (all asics). * Returns 0 on success or -EINVAL on failure. */ -int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) +int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) { unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); @@ -555,61 +521,34 @@ int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) } /** - * amdgpu_wb_free - Free a wb entry + * amdgpu_device_wb_free - Free a wb entry * * @adev: amdgpu_device pointer * @wb: wb index * * Free a wb slot allocated for use by the driver (all asics) */ -void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb) +void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) { if (wb < adev->wb.num_wb) __clear_bit(wb >> 3, adev->wb.used); } /** - * amdgpu_vram_location - try to find VRAM location + * amdgpu_device_vram_location - try to find VRAM location * @adev: amdgpu device structure holding all necessary informations * @mc: memory controller structure holding memory informations * @base: base address at which to put VRAM * * Function will try to place VRAM at base address provided - * as parameter (which is so far either PCI aperture address or - * for IGP TOM base address). - * - * If there is not enough space to fit the unvisible VRAM in the 32bits - * address space then we limit the VRAM size to the aperture. - * - * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, - * this shouldn't be a problem as we are using the PCI aperture as a reference. - * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but - * not IGP. - * - * Note: we use mc_vram_size as on some board we need to program the mc to - * cover the whole aperture even if VRAM size is inferior to aperture size - * Novell bug 204882 + along with lots of ubuntu ones - * - * Note: when limiting vram it's safe to overwritte real_vram_size because - * we are not in case where real_vram_size is inferior to mc_vram_size (ie - * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu - * ones) - * - * Note: IGP TOM addr should be the same as the aperture addr, we don't - * explicitly check for that though. - * - * FIXME: when reducing VRAM size align new size on power of 2. + * as parameter. */ -void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base) +void amdgpu_device_vram_location(struct amdgpu_device *adev, + struct amdgpu_mc *mc, u64 base) { uint64_t limit = (uint64_t)amdgpu_vram_limit << 20; mc->vram_start = base; - if (mc->mc_vram_size > (adev->mc.mc_mask - base + 1)) { - dev_warn(adev->dev, "limiting VRAM to PCI aperture size\n"); - mc->real_vram_size = mc->aper_size; - mc->mc_vram_size = mc->aper_size; - } mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; if (limit && limit < mc->real_vram_size) mc->real_vram_size = limit; @@ -619,7 +558,7 @@ void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 } /** - * amdgpu_gart_location - try to find GTT location + * amdgpu_device_gart_location - try to find GTT location * @adev: amdgpu device structure holding all necessary informations * @mc: memory controller structure holding memory informations * @@ -630,7 +569,8 @@ void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 * * FIXME: when reducing GTT size align new size on power of 2. */ -void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) +void amdgpu_device_gart_location(struct amdgpu_device *adev, + struct amdgpu_mc *mc) { u64 size_af, size_bf; @@ -647,93 +587,91 @@ void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) dev_warn(adev->dev, "limiting GTT\n"); mc->gart_size = size_af; } - mc->gart_start = mc->vram_end + 1; + /* VCE doesn't like it when BOs cross a 4GB segment, so align + * the GART base on a 4GB boundary as well. + */ + mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL); } mc->gart_end = mc->gart_start + mc->gart_size - 1; dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", mc->gart_size >> 20, mc->gart_start, mc->gart_end); } -/* - * Firmware Reservation functions - */ /** - * amdgpu_fw_reserve_vram_fini - free fw reserved vram + * amdgpu_device_resize_fb_bar - try to resize FB BAR * * @adev: amdgpu_device pointer * - * free fw reserved vram if it has been reserved. + * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not + * to fail, but if any of the BARs is not accessible after the size we abort + * driver loading by returning -ENODEV. */ -void amdgpu_fw_reserve_vram_fini(struct amdgpu_device *adev) +int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) { - amdgpu_bo_free_kernel(&adev->fw_vram_usage.reserved_bo, - NULL, &adev->fw_vram_usage.va); -} + u64 space_needed = roundup_pow_of_two(adev->mc.real_vram_size); + u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1; + struct pci_bus *root; + struct resource *res; + unsigned i; + u16 cmd; + int r; -/** - * amdgpu_fw_reserve_vram_init - create bo vram reservation from fw - * - * @adev: amdgpu_device pointer - * - * create bo vram reservation from fw. - */ -int amdgpu_fw_reserve_vram_init(struct amdgpu_device *adev) -{ - int r = 0; - u64 gpu_addr; - u64 vram_size = adev->mc.visible_vram_size; + /* Bypass for VF */ + if (amdgpu_sriov_vf(adev)) + return 0; - adev->fw_vram_usage.va = NULL; - adev->fw_vram_usage.reserved_bo = NULL; + /* Check if the root BUS has 64bit memory resources */ + root = adev->pdev->bus; + while (root->parent) + root = root->parent; - if (adev->fw_vram_usage.size > 0 && - adev->fw_vram_usage.size <= vram_size) { + pci_bus_for_each_resource(root, res, i) { + if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && + res->start > 0x100000000ull) + break; + } - r = amdgpu_bo_create(adev, adev->fw_vram_usage.size, - PAGE_SIZE, true, 0, - AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | - AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, 0, - &adev->fw_vram_usage.reserved_bo); - if (r) - goto error_create; + /* Trying to resize is pointless without a root hub window above 4GB */ + if (!res) + return 0; - r = amdgpu_bo_reserve(adev->fw_vram_usage.reserved_bo, false); - if (r) - goto error_reserve; - r = amdgpu_bo_pin_restricted(adev->fw_vram_usage.reserved_bo, - AMDGPU_GEM_DOMAIN_VRAM, - adev->fw_vram_usage.start_offset, - (adev->fw_vram_usage.start_offset + - adev->fw_vram_usage.size), &gpu_addr); - if (r) - goto error_pin; - r = amdgpu_bo_kmap(adev->fw_vram_usage.reserved_bo, - &adev->fw_vram_usage.va); - if (r) - goto error_kmap; + /* Disable memory decoding while we change the BAR addresses and size */ + pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); + pci_write_config_word(adev->pdev, PCI_COMMAND, + cmd & ~PCI_COMMAND_MEMORY); - amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo); - } - return r; + /* Free the VRAM and doorbell BAR, we most likely need to move both. */ + amdgpu_device_doorbell_fini(adev); + if (adev->asic_type >= CHIP_BONAIRE) + pci_release_resource(adev->pdev, 2); -error_kmap: - amdgpu_bo_unpin(adev->fw_vram_usage.reserved_bo); -error_pin: - amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo); -error_reserve: - amdgpu_bo_unref(&adev->fw_vram_usage.reserved_bo); -error_create: - adev->fw_vram_usage.va = NULL; - adev->fw_vram_usage.reserved_bo = NULL; - return r; -} + pci_release_resource(adev->pdev, 0); + + r = pci_resize_resource(adev->pdev, 0, rbar_size); + if (r == -ENOSPC) + DRM_INFO("Not enough PCI address space for a large BAR."); + else if (r && r != -ENOTSUPP) + DRM_ERROR("Problem resizing BAR0 (%d).", r); + + pci_assign_unassigned_bus_resources(adev->pdev->bus); + + /* When the doorbell or fb BAR isn't available we have no chance of + * using the device. + */ + r = amdgpu_device_doorbell_init(adev); + if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) + return -ENODEV; + + pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); + return 0; +} /* * GPU helpers function. */ /** - * amdgpu_need_post - check if the hw need post or not + * amdgpu_device_need_post - check if the hw need post or not * * @adev: amdgpu_device pointer * @@ -741,7 +679,7 @@ error_create: * or post is needed if hw reset is performed. * Returns true if need or false if not. */ -bool amdgpu_need_post(struct amdgpu_device *adev) +bool amdgpu_device_need_post(struct amdgpu_device *adev) { uint32_t reg; @@ -786,285 +724,9 @@ bool amdgpu_need_post(struct amdgpu_device *adev) return true; } -/** - * amdgpu_dummy_page_init - init dummy page used by the driver - * - * @adev: amdgpu_device pointer - * - * Allocate the dummy page used by the driver (all asics). - * This dummy page is used by the driver as a filler for gart entries - * when pages are taken out of the GART - * Returns 0 on sucess, -ENOMEM on failure. - */ -int amdgpu_dummy_page_init(struct amdgpu_device *adev) -{ - if (adev->dummy_page.page) - return 0; - adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); - if (adev->dummy_page.page == NULL) - return -ENOMEM; - adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, - 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { - dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); - __free_page(adev->dummy_page.page); - adev->dummy_page.page = NULL; - return -ENOMEM; - } - return 0; -} - -/** - * amdgpu_dummy_page_fini - free dummy page used by the driver - * - * @adev: amdgpu_device pointer - * - * Frees the dummy page used by the driver (all asics). - */ -void amdgpu_dummy_page_fini(struct amdgpu_device *adev) -{ - if (adev->dummy_page.page == NULL) - return; - pci_unmap_page(adev->pdev, adev->dummy_page.addr, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - __free_page(adev->dummy_page.page); - adev->dummy_page.page = NULL; -} - - -/* ATOM accessor methods */ -/* - * ATOM is an interpreted byte code stored in tables in the vbios. The - * driver registers callbacks to access registers and the interpreter - * in the driver parses the tables and executes then to program specific - * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, - * atombios.h, and atom.c - */ - -/** - * cail_pll_read - read PLL register - * - * @info: atom card_info pointer - * @reg: PLL register offset - * - * Provides a PLL register accessor for the atom interpreter (r4xx+). - * Returns the value of the PLL register. - */ -static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) -{ - return 0; -} - -/** - * cail_pll_write - write PLL register - * - * @info: atom card_info pointer - * @reg: PLL register offset - * @val: value to write to the pll register - * - * Provides a PLL register accessor for the atom interpreter (r4xx+). - */ -static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) -{ - -} - -/** - * cail_mc_read - read MC (Memory Controller) register - * - * @info: atom card_info pointer - * @reg: MC register offset - * - * Provides an MC register accessor for the atom interpreter (r4xx+). - * Returns the value of the MC register. - */ -static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) -{ - return 0; -} - -/** - * cail_mc_write - write MC (Memory Controller) register - * - * @info: atom card_info pointer - * @reg: MC register offset - * @val: value to write to the pll register - * - * Provides a MC register accessor for the atom interpreter (r4xx+). - */ -static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) -{ - -} - -/** - * cail_reg_write - write MMIO register - * - * @info: atom card_info pointer - * @reg: MMIO register offset - * @val: value to write to the pll register - * - * Provides a MMIO register accessor for the atom interpreter (r4xx+). - */ -static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) -{ - struct amdgpu_device *adev = info->dev->dev_private; - - WREG32(reg, val); -} - -/** - * cail_reg_read - read MMIO register - * - * @info: atom card_info pointer - * @reg: MMIO register offset - * - * Provides an MMIO register accessor for the atom interpreter (r4xx+). - * Returns the value of the MMIO register. - */ -static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) -{ - struct amdgpu_device *adev = info->dev->dev_private; - uint32_t r; - - r = RREG32(reg); - return r; -} - -/** - * cail_ioreg_write - write IO register - * - * @info: atom card_info pointer - * @reg: IO register offset - * @val: value to write to the pll register - * - * Provides a IO register accessor for the atom interpreter (r4xx+). - */ -static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) -{ - struct amdgpu_device *adev = info->dev->dev_private; - - WREG32_IO(reg, val); -} - -/** - * cail_ioreg_read - read IO register - * - * @info: atom card_info pointer - * @reg: IO register offset - * - * Provides an IO register accessor for the atom interpreter (r4xx+). - * Returns the value of the IO register. - */ -static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) -{ - struct amdgpu_device *adev = info->dev->dev_private; - uint32_t r; - - r = RREG32_IO(reg); - return r; -} - -static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; - struct atom_context *ctx = adev->mode_info.atom_context; - - return snprintf(buf, PAGE_SIZE, "%s\n", ctx->vbios_version); -} - -static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, - NULL); - -/** - * amdgpu_atombios_fini - free the driver info and callbacks for atombios - * - * @adev: amdgpu_device pointer - * - * Frees the driver info and register access callbacks for the ATOM - * interpreter (r4xx+). - * Called at driver shutdown. - */ -static void amdgpu_atombios_fini(struct amdgpu_device *adev) -{ - if (adev->mode_info.atom_context) { - kfree(adev->mode_info.atom_context->scratch); - kfree(adev->mode_info.atom_context->iio); - } - kfree(adev->mode_info.atom_context); - adev->mode_info.atom_context = NULL; - kfree(adev->mode_info.atom_card_info); - adev->mode_info.atom_card_info = NULL; - device_remove_file(adev->dev, &dev_attr_vbios_version); -} - -/** - * amdgpu_atombios_init - init the driver info and callbacks for atombios - * - * @adev: amdgpu_device pointer - * - * Initializes the driver info and register access callbacks for the - * ATOM interpreter (r4xx+). - * Returns 0 on sucess, -ENOMEM on failure. - * Called at driver startup. - */ -static int amdgpu_atombios_init(struct amdgpu_device *adev) -{ - struct card_info *atom_card_info = - kzalloc(sizeof(struct card_info), GFP_KERNEL); - int ret; - - if (!atom_card_info) - return -ENOMEM; - - adev->mode_info.atom_card_info = atom_card_info; - atom_card_info->dev = adev->ddev; - atom_card_info->reg_read = cail_reg_read; - atom_card_info->reg_write = cail_reg_write; - /* needed for iio ops */ - if (adev->rio_mem) { - atom_card_info->ioreg_read = cail_ioreg_read; - atom_card_info->ioreg_write = cail_ioreg_write; - } else { - DRM_INFO("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n"); - atom_card_info->ioreg_read = cail_reg_read; - atom_card_info->ioreg_write = cail_reg_write; - } - atom_card_info->mc_read = cail_mc_read; - atom_card_info->mc_write = cail_mc_write; - atom_card_info->pll_read = cail_pll_read; - atom_card_info->pll_write = cail_pll_write; - - adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); - if (!adev->mode_info.atom_context) { - amdgpu_atombios_fini(adev); - return -ENOMEM; - } - - mutex_init(&adev->mode_info.atom_context->mutex); - if (adev->is_atom_fw) { - amdgpu_atomfirmware_scratch_regs_init(adev); - amdgpu_atomfirmware_allocate_fb_scratch(adev); - } else { - amdgpu_atombios_scratch_regs_init(adev); - amdgpu_atombios_allocate_fb_scratch(adev); - } - - ret = device_create_file(adev->dev, &dev_attr_vbios_version); - if (ret) { - DRM_ERROR("Failed to create device file for VBIOS version\n"); - return ret; - } - - return 0; -} - /* if we get transitioned to only one device, take VGA back */ /** - * amdgpu_vga_set_decode - enable/disable vga decode + * amdgpu_device_vga_set_decode - enable/disable vga decode * * @cookie: amdgpu_device pointer * @state: enable/disable vga decode @@ -1072,7 +734,7 @@ static int amdgpu_atombios_init(struct amdgpu_device *adev) * Enable/disable vga decode (all asics). * Returns VGA resource flags. */ -static unsigned int amdgpu_vga_set_decode(void *cookie, bool state) +static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) { struct amdgpu_device *adev = cookie; amdgpu_asic_set_vga_state(adev, state); @@ -1083,7 +745,7 @@ static unsigned int amdgpu_vga_set_decode(void *cookie, bool state) return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; } -static void amdgpu_check_block_size(struct amdgpu_device *adev) +static void amdgpu_device_check_block_size(struct amdgpu_device *adev) { /* defines number of bits in page table versus page directory, * a page is 4KB so we have 12 bits offset, minimum 9 bits in the @@ -1094,64 +756,32 @@ static void amdgpu_check_block_size(struct amdgpu_device *adev) if (amdgpu_vm_block_size < 9) { dev_warn(adev->dev, "VM page table size (%d) too small\n", amdgpu_vm_block_size); - goto def_value; + amdgpu_vm_block_size = -1; } - - if (amdgpu_vm_block_size > 24 || - (amdgpu_vm_size * 1024) < (1ull << amdgpu_vm_block_size)) { - dev_warn(adev->dev, "VM page table size (%d) too large\n", - amdgpu_vm_block_size); - goto def_value; - } - - return; - -def_value: - amdgpu_vm_block_size = -1; } -static void amdgpu_check_vm_size(struct amdgpu_device *adev) +static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) { /* no need to check the default value */ if (amdgpu_vm_size == -1) return; - if (!is_power_of_2(amdgpu_vm_size)) { - dev_warn(adev->dev, "VM size (%d) must be a power of 2\n", - amdgpu_vm_size); - goto def_value; - } - if (amdgpu_vm_size < 1) { dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", amdgpu_vm_size); - goto def_value; - } - - /* - * Max GPUVM size for Cayman, SI, CI VI are 40 bits. - */ - if (amdgpu_vm_size > 1024) { - dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n", - amdgpu_vm_size); - goto def_value; + amdgpu_vm_size = -1; } - - return; - -def_value: - amdgpu_vm_size = -1; } /** - * amdgpu_check_arguments - validate module params + * amdgpu_device_check_arguments - validate module params * * @adev: amdgpu_device pointer * * Validates certain module parameters and updates * the associated values used by the driver (all asics). */ -static void amdgpu_check_arguments(struct amdgpu_device *adev) +static void amdgpu_device_check_arguments(struct amdgpu_device *adev) { if (amdgpu_sched_jobs < 4) { dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", @@ -1184,9 +814,9 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) amdgpu_vm_fragment_size = -1; } - amdgpu_check_vm_size(adev); + amdgpu_device_check_vm_size(adev); - amdgpu_check_block_size(adev); + amdgpu_device_check_block_size(adev); if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 || !is_power_of_2(amdgpu_vram_page_split))) { @@ -1194,6 +824,11 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) amdgpu_vram_page_split); amdgpu_vram_page_split = 1024; } + + if (amdgpu_lockup_timeout == 0) { + dev_warn(adev->dev, "lockup_timeout msut be > 0, adjusting to 10000\n"); + amdgpu_lockup_timeout = 10000; + } } /** @@ -1257,9 +892,9 @@ static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { .can_switch = amdgpu_switcheroo_can_switch, }; -int amdgpu_set_clockgating_state(struct amdgpu_device *adev, - enum amd_ip_block_type block_type, - enum amd_clockgating_state state) +int amdgpu_device_ip_set_clockgating_state(struct amdgpu_device *adev, + enum amd_ip_block_type block_type, + enum amd_clockgating_state state) { int i, r = 0; @@ -1279,9 +914,9 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev, return r; } -int amdgpu_set_powergating_state(struct amdgpu_device *adev, - enum amd_ip_block_type block_type, - enum amd_powergating_state state) +int amdgpu_device_ip_set_powergating_state(struct amdgpu_device *adev, + enum amd_ip_block_type block_type, + enum amd_powergating_state state) { int i, r = 0; @@ -1301,7 +936,8 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev, return r; } -void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) +void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, + u32 *flags) { int i; @@ -1313,8 +949,8 @@ void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) } } -int amdgpu_wait_for_idle(struct amdgpu_device *adev, - enum amd_ip_block_type block_type) +int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, + enum amd_ip_block_type block_type) { int i, r; @@ -1332,8 +968,8 @@ int amdgpu_wait_for_idle(struct amdgpu_device *adev, } -bool amdgpu_is_idle(struct amdgpu_device *adev, - enum amd_ip_block_type block_type) +bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, + enum amd_ip_block_type block_type) { int i; @@ -1347,8 +983,9 @@ bool amdgpu_is_idle(struct amdgpu_device *adev, } -struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev, - enum amd_ip_block_type type) +struct amdgpu_ip_block * +amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, + enum amd_ip_block_type type) { int i; @@ -1360,7 +997,7 @@ struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev, } /** - * amdgpu_ip_block_version_cmp + * amdgpu_device_ip_block_version_cmp * * @adev: amdgpu_device pointer * @type: enum amd_ip_block_type @@ -1370,11 +1007,11 @@ struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev, * return 0 if equal or greater * return 1 if smaller or the ip_block doesn't exist */ -int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, - enum amd_ip_block_type type, - u32 major, u32 minor) +int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, + enum amd_ip_block_type type, + u32 major, u32 minor) { - struct amdgpu_ip_block *ip_block = amdgpu_get_ip_block(adev, type); + struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); if (ip_block && ((ip_block->version->major > major) || ((ip_block->version->major == major) && @@ -1385,7 +1022,7 @@ int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, } /** - * amdgpu_ip_block_add + * amdgpu_device_ip_block_add * * @adev: amdgpu_device pointer * @ip_block_version: pointer to the IP to add @@ -1393,8 +1030,8 @@ int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, * Adds the IP block driver information to the collection of IPs * on the asic. */ -int amdgpu_ip_block_add(struct amdgpu_device *adev, - const struct amdgpu_ip_block_version *ip_block_version) +int amdgpu_device_ip_block_add(struct amdgpu_device *adev, + const struct amdgpu_ip_block_version *ip_block_version) { if (!ip_block_version) return -EINVAL; @@ -1550,7 +1187,7 @@ out: return err; } -static int amdgpu_early_init(struct amdgpu_device *adev) +static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) { int i, r; @@ -1622,10 +1259,12 @@ static int amdgpu_early_init(struct amdgpu_device *adev) if (r) return r; + amdgpu_amdkfd_device_probe(adev); + if (amdgpu_sriov_vf(adev)) { r = amdgpu_virt_request_full_gpu(adev, true); if (r) - return r; + return -EAGAIN; } for (i = 0; i < adev->num_ip_blocks; i++) { @@ -1657,7 +1296,7 @@ static int amdgpu_early_init(struct amdgpu_device *adev) return 0; } -static int amdgpu_init(struct amdgpu_device *adev) +static int amdgpu_device_ip_init(struct amdgpu_device *adev) { int i, r; @@ -1673,7 +1312,7 @@ static int amdgpu_init(struct amdgpu_device *adev) adev->ip_blocks[i].status.sw = true; /* need to do gmc hw init early so we can allocate gpu mem */ if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { - r = amdgpu_vram_scratch_init(adev); + r = amdgpu_device_vram_scratch_init(adev); if (r) { DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); return r; @@ -1683,9 +1322,9 @@ static int amdgpu_init(struct amdgpu_device *adev) DRM_ERROR("hw_init %d failed %d\n", i, r); return r; } - r = amdgpu_wb_init(adev); + r = amdgpu_device_wb_init(adev); if (r) { - DRM_ERROR("amdgpu_wb_init failed %d\n", r); + DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); return r; } adev->ip_blocks[i].status.hw = true; @@ -1716,21 +1355,26 @@ static int amdgpu_init(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = true; } + amdgpu_amdkfd_device_init(adev); + + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_release_full_gpu(adev, true); + return 0; } -static void amdgpu_fill_reset_magic(struct amdgpu_device *adev) +static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) { memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); } -static bool amdgpu_check_vram_lost(struct amdgpu_device *adev) +static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) { return !!memcmp(adev->gart.ptr, adev->reset_magic, AMDGPU_RESET_MAGIC_NUM); } -static int amdgpu_late_set_cg_state(struct amdgpu_device *adev) +static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev) { int i = 0, r; @@ -1753,7 +1397,7 @@ static int amdgpu_late_set_cg_state(struct amdgpu_device *adev) return 0; } -static int amdgpu_late_init(struct amdgpu_device *adev) +static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) { int i = 0, r; @@ -1774,15 +1418,16 @@ static int amdgpu_late_init(struct amdgpu_device *adev) mod_delayed_work(system_wq, &adev->late_init_work, msecs_to_jiffies(AMDGPU_RESUME_MS)); - amdgpu_fill_reset_magic(adev); + amdgpu_device_fill_reset_magic(adev); return 0; } -static int amdgpu_fini(struct amdgpu_device *adev) +static int amdgpu_device_ip_fini(struct amdgpu_device *adev) { int i, r; + amdgpu_amdkfd_device_fini(adev); /* need to disable SMC first */ for (i = 0; i < adev->num_ip_blocks; i++) { if (!adev->ip_blocks[i].status.hw) @@ -1811,8 +1456,9 @@ static int amdgpu_fini(struct amdgpu_device *adev) if (!adev->ip_blocks[i].status.hw) continue; if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { - amdgpu_wb_fini(adev); - amdgpu_vram_scratch_fini(adev); + amdgpu_free_static_csa(adev); + amdgpu_device_wb_fini(adev); + amdgpu_device_vram_scratch_fini(adev); } if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && @@ -1859,19 +1505,20 @@ static int amdgpu_fini(struct amdgpu_device *adev) } if (amdgpu_sriov_vf(adev)) - amdgpu_virt_release_full_gpu(adev, false); + if (amdgpu_virt_release_full_gpu(adev, false)) + DRM_ERROR("failed to release exclusive mode on fini\n"); return 0; } -static void amdgpu_late_init_func_handler(struct work_struct *work) +static void amdgpu_device_ip_late_init_func_handler(struct work_struct *work) { struct amdgpu_device *adev = container_of(work, struct amdgpu_device, late_init_work.work); - amdgpu_late_set_cg_state(adev); + amdgpu_device_ip_late_set_cg_state(adev); } -int amdgpu_suspend(struct amdgpu_device *adev) +int amdgpu_device_ip_suspend(struct amdgpu_device *adev) { int i, r; @@ -1879,10 +1526,10 @@ int amdgpu_suspend(struct amdgpu_device *adev) amdgpu_virt_request_full_gpu(adev, false); /* ungate SMC block first */ - r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, - AMD_CG_STATE_UNGATE); + r = amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, + AMD_CG_STATE_UNGATE); if (r) { - DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r); + DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n", r); } for (i = adev->num_ip_blocks - 1; i >= 0; i--) { @@ -1912,7 +1559,7 @@ int amdgpu_suspend(struct amdgpu_device *adev) return 0; } -static int amdgpu_sriov_reinit_early(struct amdgpu_device *adev) +static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) { int i, r; @@ -1941,7 +1588,7 @@ static int amdgpu_sriov_reinit_early(struct amdgpu_device *adev) return 0; } -static int amdgpu_sriov_reinit_late(struct amdgpu_device *adev) +static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) { int i, r; @@ -1974,7 +1621,7 @@ static int amdgpu_sriov_reinit_late(struct amdgpu_device *adev) return 0; } -static int amdgpu_resume_phase1(struct amdgpu_device *adev) +static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) { int i, r; @@ -1997,7 +1644,7 @@ static int amdgpu_resume_phase1(struct amdgpu_device *adev) return 0; } -static int amdgpu_resume_phase2(struct amdgpu_device *adev) +static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) { int i, r; @@ -2019,14 +1666,14 @@ static int amdgpu_resume_phase2(struct amdgpu_device *adev) return 0; } -static int amdgpu_resume(struct amdgpu_device *adev) +static int amdgpu_device_ip_resume(struct amdgpu_device *adev) { int r; - r = amdgpu_resume_phase1(adev); + r = amdgpu_device_ip_resume_phase1(adev); if (r) return r; - r = amdgpu_resume_phase2(adev); + r = amdgpu_device_ip_resume_phase2(adev); return r; } @@ -2163,8 +1810,9 @@ int amdgpu_device_init(struct amdgpu_device *adev, mutex_init(&adev->mn_lock); mutex_init(&adev->virt.vf_errors.lock); hash_init(adev->mn_hash); + mutex_init(&adev->lock_reset); - amdgpu_check_arguments(adev); + amdgpu_device_check_arguments(adev); spin_lock_init(&adev->mmio_idx_lock); spin_lock_init(&adev->smc_idx_lock); @@ -2179,13 +1827,11 @@ int amdgpu_device_init(struct amdgpu_device *adev, INIT_LIST_HEAD(&adev->shadow_list); mutex_init(&adev->shadow_list_lock); - INIT_LIST_HEAD(&adev->gtt_list); - spin_lock_init(&adev->gtt_list_lock); - INIT_LIST_HEAD(&adev->ring_lru_list); spin_lock_init(&adev->ring_lru_list_lock); - INIT_DELAYED_WORK(&adev->late_init_work, amdgpu_late_init_func_handler); + INIT_DELAYED_WORK(&adev->late_init_work, + amdgpu_device_ip_late_init_func_handler); /* Registers mapping */ /* TODO: block userspace mapping of io register */ @@ -2205,7 +1851,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); /* doorbell bar mapping */ - amdgpu_doorbell_init(adev); + amdgpu_device_doorbell_init(adev); /* io port mapping */ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { @@ -2219,17 +1865,15 @@ int amdgpu_device_init(struct amdgpu_device *adev, DRM_INFO("PCI I/O BAR is not found.\n"); /* early init functions */ - r = amdgpu_early_init(adev); + r = amdgpu_device_ip_early_init(adev); if (r) return r; /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ /* this will fail for cards that aren't VGA class devices, just * ignore it */ - vga_client_register(adev->pdev, adev, NULL, amdgpu_vga_set_decode); + vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); - if (amdgpu_runtime_pm == 1) - runtime = true; if (amdgpu_device_is_px(ddev)) runtime = true; if (!pci_is_thunderbolt_attached(adev->pdev)) @@ -2255,7 +1899,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, amdgpu_device_detect_sriov_bios(adev); /* Post card if necessary */ - if (amdgpu_need_post(adev)) { + if (amdgpu_device_need_post(adev)) { if (!adev->bios) { dev_err(adev->dev, "no vBIOS found\n"); r = -EINVAL; @@ -2267,8 +1911,6 @@ int amdgpu_device_init(struct amdgpu_device *adev, dev_err(adev->dev, "gpu post error!\n"); goto failed; } - } else { - DRM_INFO("GPU post is not needed\n"); } if (adev->is_atom_fw) { @@ -2303,11 +1945,23 @@ int amdgpu_device_init(struct amdgpu_device *adev, /* init the mode config */ drm_mode_config_init(adev->ddev); - r = amdgpu_init(adev); + r = amdgpu_device_ip_init(adev); if (r) { - dev_err(adev->dev, "amdgpu_init failed\n"); + /* failed in exclusive mode due to timeout */ + if (amdgpu_sriov_vf(adev) && + !amdgpu_sriov_runtime(adev) && + amdgpu_virt_mmio_blocked(adev) && + !amdgpu_virt_wait_reset(adev)) { + dev_err(adev->dev, "VF exclusive mode timeout\n"); + /* Don't send request since VF is inactive. */ + adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; + adev->virt.ops = NULL; + r = -EAGAIN; + goto failed; + } + dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); - amdgpu_fini(adev); + amdgpu_device_ip_fini(adev); goto failed; } @@ -2343,7 +1997,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (r) DRM_ERROR("registering pm debugfs failed (%d).\n", r); - r = amdgpu_gem_debugfs_init(adev); + r = amdgpu_debugfs_gem_init(adev); if (r) DRM_ERROR("registering gem debugfs failed (%d).\n", r); @@ -2351,17 +2005,13 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (r) DRM_ERROR("registering register debugfs failed (%d).\n", r); - r = amdgpu_debugfs_test_ib_ring_init(adev); - if (r) - DRM_ERROR("registering register test ib ring debugfs failed (%d).\n", r); - r = amdgpu_debugfs_firmware_init(adev); if (r) DRM_ERROR("registering firmware debugfs failed (%d).\n", r); - r = amdgpu_debugfs_vbios_dump_init(adev); + r = amdgpu_debugfs_init(adev); if (r) - DRM_ERROR("Creating vbios dump debugfs failed (%d).\n", r); + DRM_ERROR("Creating debugfs files failed (%d).\n", r); if ((amdgpu_testing & 1)) { if (adev->accel_working) @@ -2379,9 +2029,9 @@ int amdgpu_device_init(struct amdgpu_device *adev, /* enable clockgating, etc. after ib tests, etc. since some blocks require * explicit gating rather than handling it automatically. */ - r = amdgpu_late_init(adev); + r = amdgpu_device_ip_late_init(adev); if (r) { - dev_err(adev->dev, "amdgpu_late_init failed\n"); + dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); goto failed; } @@ -2392,6 +2042,7 @@ failed: amdgpu_vf_error_trans_all(adev); if (runtime) vga_switcheroo_fini_domain_pm_ops(adev->dev); + return r; } @@ -2411,13 +2062,11 @@ void amdgpu_device_fini(struct amdgpu_device *adev) adev->shutdown = true; if (adev->mode_info.mode_config_initialized) drm_crtc_force_disable_all(adev->ddev); - /* evict vram memory */ - amdgpu_bo_evict_vram(adev); + amdgpu_ib_pool_fini(adev); - amdgpu_fw_reserve_vram_fini(adev); amdgpu_fence_driver_fini(adev); amdgpu_fbdev_fini(adev); - r = amdgpu_fini(adev); + r = amdgpu_device_ip_fini(adev); if (adev->firmware.gpu_info_fw) { release_firmware(adev->firmware.gpu_info_fw); adev->firmware.gpu_info_fw = NULL; @@ -2440,7 +2089,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev) adev->rio_mem = NULL; iounmap(adev->rmmio); adev->rmmio = NULL; - amdgpu_doorbell_fini(adev); + amdgpu_device_doorbell_fini(adev); amdgpu_pm_sysfs_fini(adev); amdgpu_debugfs_regs_cleanup(adev); } @@ -2521,7 +2170,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) amdgpu_fence_driver_suspend(adev); - r = amdgpu_suspend(adev); + r = amdgpu_device_ip_suspend(adev); /* evict remaining vram memory * This second call to evict vram is to evict the gart page table @@ -2529,7 +2178,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) */ amdgpu_bo_evict_vram(adev); - amdgpu_atombios_scratch_regs_save(adev); pci_save_state(dev->pdev); if (suspend) { /* Shut down the device */ @@ -2578,18 +2226,17 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) if (r) goto unlock; } - amdgpu_atombios_scratch_regs_restore(adev); /* post card */ - if (amdgpu_need_post(adev)) { + if (amdgpu_device_need_post(adev)) { r = amdgpu_atom_asic_init(adev->mode_info.atom_context); if (r) DRM_ERROR("amdgpu asic init failed\n"); } - r = amdgpu_resume(adev); + r = amdgpu_device_ip_resume(adev); if (r) { - DRM_ERROR("amdgpu_resume failed (%d).\n", r); + DRM_ERROR("amdgpu_device_ip_resume failed (%d).\n", r); goto unlock; } amdgpu_fence_driver_resume(adev); @@ -2600,7 +2247,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) DRM_ERROR("ib ring test failed (%d).\n", r); } - r = amdgpu_late_init(adev); + r = amdgpu_device_ip_late_init(adev); if (r) goto unlock; @@ -2680,7 +2327,7 @@ unlock: return r; } -static bool amdgpu_check_soft_reset(struct amdgpu_device *adev) +static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) { int i; bool asic_hang = false; @@ -2702,7 +2349,7 @@ static bool amdgpu_check_soft_reset(struct amdgpu_device *adev) return asic_hang; } -static int amdgpu_pre_soft_reset(struct amdgpu_device *adev) +static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) { int i, r = 0; @@ -2720,7 +2367,7 @@ static int amdgpu_pre_soft_reset(struct amdgpu_device *adev) return 0; } -static bool amdgpu_need_full_reset(struct amdgpu_device *adev) +static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) { int i; @@ -2741,7 +2388,7 @@ static bool amdgpu_need_full_reset(struct amdgpu_device *adev) return false; } -static int amdgpu_soft_reset(struct amdgpu_device *adev) +static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) { int i, r = 0; @@ -2759,7 +2406,7 @@ static int amdgpu_soft_reset(struct amdgpu_device *adev) return 0; } -static int amdgpu_post_soft_reset(struct amdgpu_device *adev) +static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) { int i, r = 0; @@ -2776,18 +2423,10 @@ static int amdgpu_post_soft_reset(struct amdgpu_device *adev) return 0; } -bool amdgpu_need_backup(struct amdgpu_device *adev) -{ - if (adev->flags & AMD_IS_APU) - return false; - - return amdgpu_lockup_timeout > 0 ? true : false; -} - -static int amdgpu_recover_vram_from_shadow(struct amdgpu_device *adev, - struct amdgpu_ring *ring, - struct amdgpu_bo *bo, - struct dma_fence **fence) +static int amdgpu_device_recover_vram_from_shadow(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + struct amdgpu_bo *bo, + struct dma_fence **fence) { uint32_t domain; int r; @@ -2819,163 +2458,181 @@ err: return r; } -/** - * amdgpu_sriov_gpu_reset - reset the asic +/* + * amdgpu_device_reset - reset ASIC/GPU for bare-metal or passthrough * * @adev: amdgpu device pointer - * @job: which job trigger hang + * @reset_flags: output param tells caller the reset result * - * Attempt the reset the GPU if it has hung (all asics). - * for SRIOV case. - * Returns 0 for success or an error on failure. - */ -int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job) + * attempt to do soft-reset or full-reset and reinitialize Asic + * return 0 means successed otherwise failed +*/ +static int amdgpu_device_reset(struct amdgpu_device *adev, + uint64_t* reset_flags) { - int i, j, r = 0; - int resched; - struct amdgpu_bo *bo, *tmp; - struct amdgpu_ring *ring; - struct dma_fence *fence = NULL, *next = NULL; + bool need_full_reset, vram_lost = 0; + int r; - mutex_lock(&adev->virt.lock_reset); - atomic_inc(&adev->gpu_reset_counter); - adev->in_sriov_reset = true; + need_full_reset = amdgpu_device_ip_need_full_reset(adev); - /* block TTM */ - resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); + if (!need_full_reset) { + amdgpu_device_ip_pre_soft_reset(adev); + r = amdgpu_device_ip_soft_reset(adev); + amdgpu_device_ip_post_soft_reset(adev); + if (r || amdgpu_device_ip_check_soft_reset(adev)) { + DRM_INFO("soft reset failed, will fallback to full reset!\n"); + need_full_reset = true; + } - /* we start from the ring trigger GPU hang */ - j = job ? job->ring->idx : 0; + } - /* block scheduler */ - for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) { - ring = adev->rings[i % AMDGPU_MAX_RINGS]; - if (!ring || !ring->sched.thread) - continue; + if (need_full_reset) { + r = amdgpu_device_ip_suspend(adev); - kthread_park(ring->sched.thread); +retry: + r = amdgpu_asic_reset(adev); + /* post card */ + amdgpu_atom_asic_init(adev->mode_info.atom_context); - if (job && j != i) - continue; + if (!r) { + dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); + r = amdgpu_device_ip_resume_phase1(adev); + if (r) + goto out; - /* here give the last chance to check if job removed from mirror-list - * since we already pay some time on kthread_park */ - if (job && list_empty(&job->base.node)) { - kthread_unpark(ring->sched.thread); - goto give_up_reset; + vram_lost = amdgpu_device_check_vram_lost(adev); + if (vram_lost) { + DRM_ERROR("VRAM is lost!\n"); + atomic_inc(&adev->vram_lost_counter); + } + + r = amdgpu_gtt_mgr_recover( + &adev->mman.bdev.man[TTM_PL_TT]); + if (r) + goto out; + + r = amdgpu_device_ip_resume_phase2(adev); + if (r) + goto out; + + if (vram_lost) + amdgpu_device_fill_reset_magic(adev); } + } - if (amd_sched_invalidate_job(&job->base, amdgpu_job_hang_limit)) - amd_sched_job_kickout(&job->base); +out: + if (!r) { + amdgpu_irq_gpu_reset_resume_helper(adev); + r = amdgpu_ib_ring_tests(adev); + if (r) { + dev_err(adev->dev, "ib ring test failed (%d).\n", r); + r = amdgpu_device_ip_suspend(adev); + need_full_reset = true; + goto retry; + } + } - /* only do job_reset on the hang ring if @job not NULL */ - amd_sched_hw_job_reset(&ring->sched); + if (reset_flags) { + if (vram_lost) + (*reset_flags) |= AMDGPU_RESET_INFO_VRAM_LOST; - /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ - amdgpu_fence_driver_force_completion_ring(ring); + if (need_full_reset) + (*reset_flags) |= AMDGPU_RESET_INFO_FULLRESET; } - /* request to take full control of GPU before re-initialization */ - if (job) - amdgpu_virt_reset_gpu(adev); - else - amdgpu_virt_request_full_gpu(adev, true); + return r; +} +/* + * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf + * + * @adev: amdgpu device pointer + * @reset_flags: output param tells caller the reset result + * + * do VF FLR and reinitialize Asic + * return 0 means successed otherwise failed +*/ +static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, + uint64_t *reset_flags, + bool from_hypervisor) +{ + int r; + + if (from_hypervisor) + r = amdgpu_virt_request_full_gpu(adev, true); + else + r = amdgpu_virt_reset_gpu(adev); + if (r) + return r; /* Resume IP prior to SMC */ - amdgpu_sriov_reinit_early(adev); + r = amdgpu_device_ip_reinit_early_sriov(adev); + if (r) + goto error; /* we need recover gart prior to run SMC/CP/SDMA resume */ - amdgpu_ttm_recover_gart(adev); + amdgpu_gtt_mgr_recover(&adev->mman.bdev.man[TTM_PL_TT]); /* now we are okay to resume SMC/CP/SDMA */ - amdgpu_sriov_reinit_late(adev); + r = amdgpu_device_ip_reinit_late_sriov(adev); + if (r) + goto error; amdgpu_irq_gpu_reset_resume_helper(adev); - - if (amdgpu_ib_ring_tests(adev)) + r = amdgpu_ib_ring_tests(adev); + if (r) dev_err(adev->dev, "[GPU_RESET] ib ring test failed (%d).\n", r); +error: /* release full control of GPU after ib test */ amdgpu_virt_release_full_gpu(adev, true); - DRM_INFO("recover vram bo from shadow\n"); - - ring = adev->mman.buffer_funcs_ring; - mutex_lock(&adev->shadow_list_lock); - list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { - next = NULL; - amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); - if (fence) { - r = dma_fence_wait(fence, false); - if (r) { - WARN(r, "recovery from shadow isn't completed\n"); - break; - } - } - - dma_fence_put(fence); - fence = next; - } - mutex_unlock(&adev->shadow_list_lock); - - if (fence) { - r = dma_fence_wait(fence, false); - if (r) - WARN(r, "recovery from shadow isn't completed\n"); - } - dma_fence_put(fence); - - for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) { - ring = adev->rings[i % AMDGPU_MAX_RINGS]; - if (!ring || !ring->sched.thread) - continue; - - if (job && j != i) { - kthread_unpark(ring->sched.thread); - continue; + if (reset_flags) { + if (adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { + (*reset_flags) |= AMDGPU_RESET_INFO_VRAM_LOST; + atomic_inc(&adev->vram_lost_counter); } - amd_sched_job_recovery(&ring->sched); - kthread_unpark(ring->sched.thread); + /* VF FLR or hotlink reset is always full-reset */ + (*reset_flags) |= AMDGPU_RESET_INFO_FULLRESET; } - drm_helper_resume_force_mode(adev->ddev); -give_up_reset: - ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); - if (r) { - /* bad news, how to tell it to userspace ? */ - dev_info(adev->dev, "GPU reset failed\n"); - } else { - dev_info(adev->dev, "GPU reset successed!\n"); - } - - adev->in_sriov_reset = false; - mutex_unlock(&adev->virt.lock_reset); return r; } /** - * amdgpu_gpu_reset - reset the asic + * amdgpu_device_gpu_recover - reset the asic and recover scheduler * * @adev: amdgpu device pointer + * @job: which job trigger hang + * @force forces reset regardless of amdgpu_gpu_recovery * - * Attempt the reset the GPU if it has hung (all asics). + * Attempt to reset the GPU if it has hung (all asics). * Returns 0 for success or an error on failure. */ -int amdgpu_gpu_reset(struct amdgpu_device *adev) +int amdgpu_device_gpu_recover(struct amdgpu_device *adev, + struct amdgpu_job *job, bool force) { struct drm_atomic_state *state = NULL; - int i, r; - int resched; - bool need_full_reset, vram_lost = false; + uint64_t reset_flags = 0; + int i, r, resched; - if (!amdgpu_check_soft_reset(adev)) { + if (!force && !amdgpu_device_ip_check_soft_reset(adev)) { DRM_INFO("No hardware hang detected. Did some blocks stall?\n"); return 0; } + if (!force && (amdgpu_gpu_recovery == 0 || + (amdgpu_gpu_recovery == -1 && !amdgpu_sriov_vf(adev)))) { + DRM_INFO("GPU recovery disabled.\n"); + return 0; + } + + dev_info(adev->dev, "GPU reset begin!\n"); + + mutex_lock(&adev->lock_reset); atomic_inc(&adev->gpu_reset_counter); + adev->in_gpu_reset = 1; /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); @@ -2989,69 +2646,26 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev) if (!ring || !ring->sched.thread) continue; - kthread_park(ring->sched.thread); - amd_sched_hw_job_reset(&ring->sched); - } - /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ - amdgpu_fence_driver_force_completion(adev); - need_full_reset = amdgpu_need_full_reset(adev); + /* only focus on the ring hit timeout if &job not NULL */ + if (job && job->ring->idx != i) + continue; - if (!need_full_reset) { - amdgpu_pre_soft_reset(adev); - r = amdgpu_soft_reset(adev); - amdgpu_post_soft_reset(adev); - if (r || amdgpu_check_soft_reset(adev)) { - DRM_INFO("soft reset failed, will fallback to full reset!\n"); - need_full_reset = true; - } - } + kthread_park(ring->sched.thread); + drm_sched_hw_job_reset(&ring->sched, &job->base); - if (need_full_reset) { - r = amdgpu_suspend(adev); + /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ + amdgpu_fence_driver_force_completion(ring); + } -retry: - amdgpu_atombios_scratch_regs_save(adev); - r = amdgpu_asic_reset(adev); - amdgpu_atombios_scratch_regs_restore(adev); - /* post card */ - amdgpu_atom_asic_init(adev->mode_info.atom_context); + if (amdgpu_sriov_vf(adev)) + r = amdgpu_device_reset_sriov(adev, &reset_flags, job ? false : true); + else + r = amdgpu_device_reset(adev, &reset_flags); - if (!r) { - dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); - r = amdgpu_resume_phase1(adev); - if (r) - goto out; - vram_lost = amdgpu_check_vram_lost(adev); - if (vram_lost) { - DRM_ERROR("VRAM is lost!\n"); - atomic_inc(&adev->vram_lost_counter); - } - r = amdgpu_ttm_recover_gart(adev); - if (r) - goto out; - r = amdgpu_resume_phase2(adev); - if (r) - goto out; - if (vram_lost) - amdgpu_fill_reset_magic(adev); - } - } -out: if (!r) { - amdgpu_irq_gpu_reset_resume_helper(adev); - r = amdgpu_ib_ring_tests(adev); - if (r) { - dev_err(adev->dev, "ib ring test failed (%d).\n", r); - r = amdgpu_suspend(adev); - need_full_reset = true; - goto retry; - } - /** - * recovery vm page tables, since we cannot depend on VRAM is - * consistent after gpu full reset. - */ - if (need_full_reset && amdgpu_need_backup(adev)) { + if (((reset_flags & AMDGPU_RESET_INFO_FULLRESET) && !(adev->flags & AMD_IS_APU)) || + (reset_flags & AMDGPU_RESET_INFO_VRAM_LOST)) { struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; struct amdgpu_bo *bo, *tmp; struct dma_fence *fence = NULL, *next = NULL; @@ -3060,7 +2674,7 @@ out: mutex_lock(&adev->shadow_list_lock); list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { next = NULL; - amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); + amdgpu_device_recover_vram_from_shadow(adev, ring, bo, &next); if (fence) { r = dma_fence_wait(fence, false); if (r) { @@ -3080,44 +2694,60 @@ out: } dma_fence_put(fence); } + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; if (!ring || !ring->sched.thread) continue; - amd_sched_job_recovery(&ring->sched); + /* only focus on the ring hit timeout if &job not NULL */ + if (job && job->ring->idx != i) + continue; + + drm_sched_job_recovery(&ring->sched); kthread_unpark(ring->sched.thread); } } else { - dev_err(adev->dev, "asic resume failed (%d).\n", r); for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { - if (adev->rings[i] && adev->rings[i]->sched.thread) { - kthread_unpark(adev->rings[i]->sched.thread); - } + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + + /* only focus on the ring hit timeout if &job not NULL */ + if (job && job->ring->idx != i) + continue; + + kthread_unpark(adev->rings[i]->sched.thread); } } if (amdgpu_device_has_dc_support(adev)) { - r = drm_atomic_helper_resume(adev->ddev, state); + if (drm_atomic_helper_resume(adev->ddev, state)) + dev_info(adev->dev, "drm resume failed:%d\n", r); amdgpu_dm_display_resume(adev); - } else + } else { drm_helper_resume_force_mode(adev->ddev); + } ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); + if (r) { /* bad news, how to tell it to userspace ? */ - dev_info(adev->dev, "GPU reset failed\n"); - } - else { - dev_info(adev->dev, "GPU reset successed!\n"); + dev_info(adev->dev, "GPU reset(%d) failed\n", atomic_read(&adev->gpu_reset_counter)); + amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); + } else { + dev_info(adev->dev, "GPU reset(%d) successed!\n",atomic_read(&adev->gpu_reset_counter)); } amdgpu_vf_error_trans_all(adev); + adev->in_gpu_reset = 0; + mutex_unlock(&adev->lock_reset); return r; } -void amdgpu_get_pcie_info(struct amdgpu_device *adev) +void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) { u32 mask; int ret; @@ -3209,773 +2839,3 @@ void amdgpu_get_pcie_info(struct amdgpu_device *adev) } } -/* - * Debugfs - */ -int amdgpu_debugfs_add_files(struct amdgpu_device *adev, - const struct drm_info_list *files, - unsigned nfiles) -{ - unsigned i; - - for (i = 0; i < adev->debugfs_count; i++) { - if (adev->debugfs[i].files == files) { - /* Already registered */ - return 0; - } - } - - i = adev->debugfs_count + 1; - if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { - DRM_ERROR("Reached maximum number of debugfs components.\n"); - DRM_ERROR("Report so we increase " - "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); - return -EINVAL; - } - adev->debugfs[adev->debugfs_count].files = files; - adev->debugfs[adev->debugfs_count].num_files = nfiles; - adev->debugfs_count = i; -#if defined(CONFIG_DEBUG_FS) - drm_debugfs_create_files(files, nfiles, - adev->ddev->primary->debugfs_root, - adev->ddev->primary); -#endif - return 0; -} - -#if defined(CONFIG_DEBUG_FS) - -static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - bool pm_pg_lock, use_bank; - unsigned instance_bank, sh_bank, se_bank; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - /* are we reading registers for which a PG lock is necessary? */ - pm_pg_lock = (*pos >> 23) & 1; - - if (*pos & (1ULL << 62)) { - se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; - sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; - instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; - - if (se_bank == 0x3FF) - se_bank = 0xFFFFFFFF; - if (sh_bank == 0x3FF) - sh_bank = 0xFFFFFFFF; - if (instance_bank == 0x3FF) - instance_bank = 0xFFFFFFFF; - use_bank = 1; - } else { - use_bank = 0; - } - - *pos &= (1UL << 22) - 1; - - if (use_bank) { - if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || - (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) - return -EINVAL; - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se_bank, - sh_bank, instance_bank); - } - - if (pm_pg_lock) - mutex_lock(&adev->pm.mutex); - - while (size) { - uint32_t value; - - if (*pos > adev->rmmio_size) - goto end; - - value = RREG32(*pos >> 2); - r = put_user(value, (uint32_t *)buf); - if (r) { - result = r; - goto end; - } - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - -end: - if (use_bank) { - amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); - } - - if (pm_pg_lock) - mutex_unlock(&adev->pm.mutex); - - return result; -} - -static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - bool pm_pg_lock, use_bank; - unsigned instance_bank, sh_bank, se_bank; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - /* are we reading registers for which a PG lock is necessary? */ - pm_pg_lock = (*pos >> 23) & 1; - - if (*pos & (1ULL << 62)) { - se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; - sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; - instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; - - if (se_bank == 0x3FF) - se_bank = 0xFFFFFFFF; - if (sh_bank == 0x3FF) - sh_bank = 0xFFFFFFFF; - if (instance_bank == 0x3FF) - instance_bank = 0xFFFFFFFF; - use_bank = 1; - } else { - use_bank = 0; - } - - *pos &= (1UL << 22) - 1; - - if (use_bank) { - if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || - (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) - return -EINVAL; - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se_bank, - sh_bank, instance_bank); - } - - if (pm_pg_lock) - mutex_lock(&adev->pm.mutex); - - while (size) { - uint32_t value; - - if (*pos > adev->rmmio_size) - return result; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - if (use_bank) { - amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); - } - - if (pm_pg_lock) - mutex_unlock(&adev->pm.mutex); - - return result; -} - -static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - value = RREG32_PCIE(*pos >> 2); - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32_PCIE(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - value = RREG32_DIDT(*pos >> 2); - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32_DIDT(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - value = RREG32_SMC(*pos); - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32_SMC(*pos, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - uint32_t *config, no_regs = 0; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - config = kmalloc_array(256, sizeof(*config), GFP_KERNEL); - if (!config) - return -ENOMEM; - - /* version, increment each time something is added */ - config[no_regs++] = 3; - config[no_regs++] = adev->gfx.config.max_shader_engines; - config[no_regs++] = adev->gfx.config.max_tile_pipes; - config[no_regs++] = adev->gfx.config.max_cu_per_sh; - config[no_regs++] = adev->gfx.config.max_sh_per_se; - config[no_regs++] = adev->gfx.config.max_backends_per_se; - config[no_regs++] = adev->gfx.config.max_texture_channel_caches; - config[no_regs++] = adev->gfx.config.max_gprs; - config[no_regs++] = adev->gfx.config.max_gs_threads; - config[no_regs++] = adev->gfx.config.max_hw_contexts; - config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; - config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; - config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; - config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; - config[no_regs++] = adev->gfx.config.num_tile_pipes; - config[no_regs++] = adev->gfx.config.backend_enable_mask; - config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; - config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; - config[no_regs++] = adev->gfx.config.shader_engine_tile_size; - config[no_regs++] = adev->gfx.config.num_gpus; - config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; - config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; - config[no_regs++] = adev->gfx.config.gb_addr_config; - config[no_regs++] = adev->gfx.config.num_rbs; - - /* rev==1 */ - config[no_regs++] = adev->rev_id; - config[no_regs++] = adev->pg_flags; - config[no_regs++] = adev->cg_flags; - - /* rev==2 */ - config[no_regs++] = adev->family; - config[no_regs++] = adev->external_rev_id; - - /* rev==3 */ - config[no_regs++] = adev->pdev->device; - config[no_regs++] = adev->pdev->revision; - config[no_regs++] = adev->pdev->subsystem_device; - config[no_regs++] = adev->pdev->subsystem_vendor; - - while (size && (*pos < no_regs * 4)) { - uint32_t value; - - value = config[*pos >> 2]; - r = put_user(value, (uint32_t *)buf); - if (r) { - kfree(config); - return r; - } - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - kfree(config); - return result; -} - -static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - int idx, x, outsize, r, valuesize; - uint32_t values[16]; - - if (size & 3 || *pos & 0x3) - return -EINVAL; - - if (amdgpu_dpm == 0) - return -EINVAL; - - /* convert offset to sensor number */ - idx = *pos >> 2; - - valuesize = sizeof(values); - if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) - r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); - else - return -EINVAL; - - if (size > valuesize) - return -EINVAL; - - outsize = 0; - x = 0; - if (!r) { - while (size) { - r = put_user(values[x++], (int32_t *)buf); - buf += 4; - size -= 4; - outsize += 4; - } - } - - return !r ? outsize : r; -} - -static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = f->f_inode->i_private; - int r, x; - ssize_t result=0; - uint32_t offset, se, sh, cu, wave, simd, data[32]; - - if (size & 3 || *pos & 3) - return -EINVAL; - - /* decode offset */ - offset = (*pos & GENMASK_ULL(6, 0)); - se = (*pos & GENMASK_ULL(14, 7)) >> 7; - sh = (*pos & GENMASK_ULL(22, 15)) >> 15; - cu = (*pos & GENMASK_ULL(30, 23)) >> 23; - wave = (*pos & GENMASK_ULL(36, 31)) >> 31; - simd = (*pos & GENMASK_ULL(44, 37)) >> 37; - - /* switch to the specific se/sh/cu */ - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se, sh, cu); - - x = 0; - if (adev->gfx.funcs->read_wave_data) - adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x); - - amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); - mutex_unlock(&adev->grbm_idx_mutex); - - if (!x) - return -EINVAL; - - while (size && (offset < x * 4)) { - uint32_t value; - - value = data[offset >> 2]; - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - offset += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = f->f_inode->i_private; - int r; - ssize_t result = 0; - uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data; - - if (size & 3 || *pos & 3) - return -EINVAL; - - /* decode offset */ - offset = *pos & GENMASK_ULL(11, 0); - se = (*pos & GENMASK_ULL(19, 12)) >> 12; - sh = (*pos & GENMASK_ULL(27, 20)) >> 20; - cu = (*pos & GENMASK_ULL(35, 28)) >> 28; - wave = (*pos & GENMASK_ULL(43, 36)) >> 36; - simd = (*pos & GENMASK_ULL(51, 44)) >> 44; - thread = (*pos & GENMASK_ULL(59, 52)) >> 52; - bank = (*pos & GENMASK_ULL(61, 60)) >> 60; - - data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - /* switch to the specific se/sh/cu */ - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se, sh, cu); - - if (bank == 0) { - if (adev->gfx.funcs->read_wave_vgprs) - adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data); - } else { - if (adev->gfx.funcs->read_wave_sgprs) - adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data); - } - - amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); - mutex_unlock(&adev->grbm_idx_mutex); - - while (size) { - uint32_t value; - - value = data[offset++]; - r = put_user(value, (uint32_t *)buf); - if (r) { - result = r; - goto err; - } - - result += 4; - buf += 4; - size -= 4; - } - -err: - kfree(data); - return result; -} - -static const struct file_operations amdgpu_debugfs_regs_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_read, - .write = amdgpu_debugfs_regs_write, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_regs_didt_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_didt_read, - .write = amdgpu_debugfs_regs_didt_write, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_pcie_read, - .write = amdgpu_debugfs_regs_pcie_write, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_regs_smc_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_smc_read, - .write = amdgpu_debugfs_regs_smc_write, - .llseek = default_llseek -}; - -static const struct file_operations amdgpu_debugfs_gca_config_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_gca_config_read, - .llseek = default_llseek -}; - -static const struct file_operations amdgpu_debugfs_sensors_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_sensor_read, - .llseek = default_llseek -}; - -static const struct file_operations amdgpu_debugfs_wave_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_wave_read, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_gpr_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_gpr_read, - .llseek = default_llseek -}; - -static const struct file_operations *debugfs_regs[] = { - &amdgpu_debugfs_regs_fops, - &amdgpu_debugfs_regs_didt_fops, - &amdgpu_debugfs_regs_pcie_fops, - &amdgpu_debugfs_regs_smc_fops, - &amdgpu_debugfs_gca_config_fops, - &amdgpu_debugfs_sensors_fops, - &amdgpu_debugfs_wave_fops, - &amdgpu_debugfs_gpr_fops, -}; - -static const char *debugfs_regs_names[] = { - "amdgpu_regs", - "amdgpu_regs_didt", - "amdgpu_regs_pcie", - "amdgpu_regs_smc", - "amdgpu_gca_config", - "amdgpu_sensors", - "amdgpu_wave", - "amdgpu_gpr", -}; - -static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) -{ - struct drm_minor *minor = adev->ddev->primary; - struct dentry *ent, *root = minor->debugfs_root; - unsigned i, j; - - for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { - ent = debugfs_create_file(debugfs_regs_names[i], - S_IFREG | S_IRUGO, root, - adev, debugfs_regs[i]); - if (IS_ERR(ent)) { - for (j = 0; j < i; j++) { - debugfs_remove(adev->debugfs_regs[i]); - adev->debugfs_regs[i] = NULL; - } - return PTR_ERR(ent); - } - - if (!i) - i_size_write(ent->d_inode, adev->rmmio_size); - adev->debugfs_regs[i] = ent; - } - - return 0; -} - -static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) -{ - unsigned i; - - for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { - if (adev->debugfs_regs[i]) { - debugfs_remove(adev->debugfs_regs[i]); - adev->debugfs_regs[i] = NULL; - } - } -} - -static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; - int r = 0, i; - - /* hold on the scheduler */ - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - - if (!ring || !ring->sched.thread) - continue; - kthread_park(ring->sched.thread); - } - - seq_printf(m, "run ib test:\n"); - r = amdgpu_ib_ring_tests(adev); - if (r) - seq_printf(m, "ib ring tests failed (%d).\n", r); - else - seq_printf(m, "ib ring tests passed.\n"); - - /* go on the scheduler */ - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - - if (!ring || !ring->sched.thread) - continue; - kthread_unpark(ring->sched.thread); - } - - return 0; -} - -static const struct drm_info_list amdgpu_debugfs_test_ib_ring_list[] = { - {"amdgpu_test_ib", &amdgpu_debugfs_test_ib} -}; - -static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) -{ - return amdgpu_debugfs_add_files(adev, - amdgpu_debugfs_test_ib_ring_list, 1); -} - -int amdgpu_debugfs_init(struct drm_minor *minor) -{ - return 0; -} - -static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; - - seq_write(m, adev->bios, adev->bios_size); - return 0; -} - -static const struct drm_info_list amdgpu_vbios_dump_list[] = { - {"amdgpu_vbios", - amdgpu_debugfs_get_vbios_dump, - 0, NULL}, -}; - -static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev) -{ - return amdgpu_debugfs_add_files(adev, - amdgpu_vbios_dump_list, 1); -} -#else -static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) -{ - return 0; -} -static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) -{ - return 0; -} -static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev) -{ - return 0; -} -static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } -#endif |