diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pci.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pci.c | 116 |
1 files changed, 92 insertions, 24 deletions
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index 3c40ef426f0c..be91343829dd 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -17,6 +17,8 @@ #include "display/xe_display.h" #include "regs/xe_gt_regs.h" +#include "regs/xe_regs.h" +#include "xe_configfs.h" #include "xe_device.h" #include "xe_drv.h" #include "xe_gt.h" @@ -55,7 +57,7 @@ static const struct xe_graphics_desc graphics_xelp = { }; #define XE_HP_FEATURES \ - .has_range_tlb_invalidation = true, \ + .has_range_tlb_inval = true, \ .va_bits = 48, \ .vm_max_level = 3 @@ -103,7 +105,7 @@ static const struct xe_graphics_desc graphics_xelpg = { .has_asid = 1, \ .has_atomic_enable_pte_bit = 1, \ .has_flat_ccs = 1, \ - .has_range_tlb_invalidation = 1, \ + .has_range_tlb_inval = 1, \ .has_usm = 1, \ .has_64bit_timestamp = 1, \ .va_bits = 48, \ @@ -169,6 +171,7 @@ static const struct xe_device_desc tgl_desc = { .dma_mask_size = 39, .has_display = true, .has_llc = true, + .has_sriov = true, .max_gt_per_tile = 1, .require_force_probe = true, }; @@ -193,6 +196,7 @@ static const struct xe_device_desc adl_s_desc = { .dma_mask_size = 39, .has_display = true, .has_llc = true, + .has_sriov = true, .max_gt_per_tile = 1, .require_force_probe = true, .subplatforms = (const struct xe_subplatform_desc[]) { @@ -210,6 +214,7 @@ static const struct xe_device_desc adl_p_desc = { .dma_mask_size = 39, .has_display = true, .has_llc = true, + .has_sriov = true, .max_gt_per_tile = 1, .require_force_probe = true, .subplatforms = (const struct xe_subplatform_desc[]) { @@ -225,6 +230,7 @@ static const struct xe_device_desc adl_n_desc = { .dma_mask_size = 39, .has_display = true, .has_llc = true, + .has_sriov = true, .max_gt_per_tile = 1, .require_force_probe = true, }; @@ -270,6 +276,7 @@ static const struct xe_device_desc ats_m_desc = { DG2_FEATURES, .has_display = false, + .has_sriov = true, }; static const struct xe_device_desc dg2_desc = { @@ -327,6 +334,7 @@ static const struct xe_device_desc bmg_desc = { .has_mbx_power_limits = true, .has_gsc_nvm = 1, .has_heci_cscfi = 1, + .has_late_bind = true, .has_sriov = true, .max_gt_per_tile = 2, .needs_scratch = true, @@ -503,6 +511,26 @@ static void read_gmdid(struct xe_device *xe, enum xe_gmdid_type type, u32 *ver, *revid = REG_FIELD_GET(GMD_ID_REVID, val); } +static const struct xe_ip *find_graphics_ip(unsigned int verx100) +{ + KUNIT_STATIC_STUB_REDIRECT(find_graphics_ip, verx100); + + for (int i = 0; i < ARRAY_SIZE(graphics_ips); i++) + if (graphics_ips[i].verx100 == verx100) + return &graphics_ips[i]; + return NULL; +} + +static const struct xe_ip *find_media_ip(unsigned int verx100) +{ + KUNIT_STATIC_STUB_REDIRECT(find_media_ip, verx100); + + for (int i = 0; i < ARRAY_SIZE(media_ips); i++) + if (media_ips[i].verx100 == verx100) + return &media_ips[i]; + return NULL; +} + /* * Read IP version from hardware and select graphics/media IP descriptors * based on the result. @@ -520,14 +548,7 @@ static void handle_gmdid(struct xe_device *xe, read_gmdid(xe, GMDID_GRAPHICS, &ver, graphics_revid); - for (int i = 0; i < ARRAY_SIZE(graphics_ips); i++) { - if (ver == graphics_ips[i].verx100) { - *graphics_ip = &graphics_ips[i]; - - break; - } - } - + *graphics_ip = find_graphics_ip(ver); if (!*graphics_ip) { drm_err(&xe->drm, "Hardware reports unknown graphics version %u.%02u\n", ver / 100, ver % 100); @@ -538,14 +559,7 @@ static void handle_gmdid(struct xe_device *xe, if (ver == 0) return; - for (int i = 0; i < ARRAY_SIZE(media_ips); i++) { - if (ver == media_ips[i].verx100) { - *media_ip = &media_ips[i]; - - break; - } - } - + *media_ip = find_media_ip(ver); if (!*media_ip) { drm_err(&xe->drm, "Hardware reports unknown media version %u.%02u\n", ver / 100, ver % 100); @@ -574,6 +588,7 @@ static int xe_info_init_early(struct xe_device *xe, xe->info.has_gsc_nvm = desc->has_gsc_nvm; xe->info.has_heci_gscfi = desc->has_heci_gscfi; xe->info.has_heci_cscfi = desc->has_heci_cscfi; + xe->info.has_late_bind = desc->has_late_bind; xe->info.has_llc = desc->has_llc; xe->info.has_pxp = desc->has_pxp; xe->info.has_sriov = desc->has_sriov; @@ -599,6 +614,44 @@ static int xe_info_init_early(struct xe_device *xe, } /* + * Possibly override number of tile based on configuration register. + */ +static void xe_info_probe_tile_count(struct xe_device *xe) +{ + struct xe_mmio *mmio; + u8 tile_count; + u32 mtcfg; + + KUNIT_STATIC_STUB_REDIRECT(xe_info_probe_tile_count, xe); + + /* + * Probe for tile count only for platforms that support multiple + * tiles. + */ + if (xe->info.tile_count == 1) + return; + + if (xe->info.skip_mtcfg) + return; + + mmio = xe_root_tile_mmio(xe); + + /* + * Although the per-tile mmio regs are not yet initialized, this + * is fine as it's going to the root tile's mmio, that's + * guaranteed to be initialized earlier in xe_mmio_probe_early() + */ + mtcfg = xe_mmio_read32(mmio, XEHP_MTCFG_ADDR); + tile_count = REG_FIELD_GET(TILE_COUNT, mtcfg) + 1; + + if (tile_count < xe->info.tile_count) { + drm_info(&xe->drm, "tile_count: %d, reduced_tile_count %d\n", + xe->info.tile_count, tile_count); + xe->info.tile_count = tile_count; + } +} + +/* * Initialize device info content that does require knowledge about * graphics / media IP version. * Make sure that GT / tile structures allocated by the driver match the data @@ -668,10 +721,12 @@ static int xe_info_init(struct xe_device *xe, /* Runtime detection may change this later */ xe->info.has_flat_ccs = graphics_desc->has_flat_ccs; - xe->info.has_range_tlb_invalidation = graphics_desc->has_range_tlb_invalidation; + xe->info.has_range_tlb_inval = graphics_desc->has_range_tlb_inval; xe->info.has_usm = graphics_desc->has_usm; xe->info.has_64bit_timestamp = graphics_desc->has_64bit_timestamp; + xe_info_probe_tile_count(xe); + for_each_remote_tile(tile, xe, id) { int err; @@ -687,12 +742,17 @@ static int xe_info_init(struct xe_device *xe, * All of these together determine the overall GT count. */ for_each_tile(tile, xe, id) { + int err; + gt = tile->primary_gt; gt->info.type = XE_GT_TYPE_MAIN; gt->info.id = tile->id * xe->info.max_gt_per_tile; gt->info.has_indirect_ring_state = graphics_desc->has_indirect_ring_state; gt->info.engine_mask = graphics_desc->hw_engine_mask; - xe->info.gt_count++; + + err = xe_tile_alloc_vram(tile); + if (err) + return err; if (MEDIA_VER(xe) < 13 && media_desc) gt->info.engine_mask |= media_desc->hw_engine_mask; @@ -713,9 +773,15 @@ static int xe_info_init(struct xe_device *xe, gt->info.id = tile->id * xe->info.max_gt_per_tile + 1; gt->info.has_indirect_ring_state = media_desc->has_indirect_ring_state; gt->info.engine_mask = media_desc->hw_engine_mask; - xe->info.gt_count++; } + /* + * Now that we have tiles and GTs defined, let's loop over valid GTs + * in order to define gt_count. + */ + for_each_gt(gt, xe, id) + xe->info.gt_count++; + return 0; } @@ -726,7 +792,7 @@ static void xe_pci_remove(struct pci_dev *pdev) if (IS_SRIOV_PF(xe)) xe_pci_sriov_configure(pdev, 0); - if (xe_survivability_mode_is_enabled(xe)) + if (xe_survivability_mode_is_boot_enabled(xe)) return; xe_device_remove(xe); @@ -759,6 +825,8 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct xe_device *xe; int err; + xe_configfs_check_device(pdev); + if (desc->require_force_probe && !id_forced(pdev->device)) { dev_info(&pdev->dev, "Your graphics device %04x is not officially supported\n" @@ -806,7 +874,7 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * flashed through mei. Return success, if survivability mode * is enabled due to pcode failure or configfs being set */ - if (xe_survivability_mode_is_enabled(xe)) + if (xe_survivability_mode_is_boot_enabled(xe)) return 0; if (err) @@ -900,7 +968,7 @@ static int xe_pci_suspend(struct device *dev) struct xe_device *xe = pdev_to_xe_device(pdev); int err; - if (xe_survivability_mode_is_enabled(xe)) + if (xe_survivability_mode_is_boot_enabled(xe)) return -EBUSY; err = xe_pm_suspend(xe); |