diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_device_info.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_device_info.c | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c new file mode 100644 index 000000000..ea0ec6174 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -0,0 +1,458 @@ +/* + * Copyright © 2016 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include <linux/string_helpers.h> + +#include <drm/drm_print.h> +#include <drm/i915_pciids.h> + +#include "display/intel_display_device.h" +#include "gt/intel_gt_regs.h" +#include "i915_drv.h" +#include "i915_reg.h" +#include "i915_utils.h" +#include "intel_device_info.h" + +#define PLATFORM_NAME(x) [INTEL_##x] = #x +static const char * const platform_names[] = { + PLATFORM_NAME(I830), + PLATFORM_NAME(I845G), + PLATFORM_NAME(I85X), + PLATFORM_NAME(I865G), + PLATFORM_NAME(I915G), + PLATFORM_NAME(I915GM), + PLATFORM_NAME(I945G), + PLATFORM_NAME(I945GM), + PLATFORM_NAME(G33), + PLATFORM_NAME(PINEVIEW), + PLATFORM_NAME(I965G), + PLATFORM_NAME(I965GM), + PLATFORM_NAME(G45), + PLATFORM_NAME(GM45), + PLATFORM_NAME(IRONLAKE), + PLATFORM_NAME(SANDYBRIDGE), + PLATFORM_NAME(IVYBRIDGE), + PLATFORM_NAME(VALLEYVIEW), + PLATFORM_NAME(HASWELL), + PLATFORM_NAME(BROADWELL), + PLATFORM_NAME(CHERRYVIEW), + PLATFORM_NAME(SKYLAKE), + PLATFORM_NAME(BROXTON), + PLATFORM_NAME(KABYLAKE), + PLATFORM_NAME(GEMINILAKE), + PLATFORM_NAME(COFFEELAKE), + PLATFORM_NAME(COMETLAKE), + PLATFORM_NAME(ICELAKE), + PLATFORM_NAME(ELKHARTLAKE), + PLATFORM_NAME(JASPERLAKE), + PLATFORM_NAME(TIGERLAKE), + PLATFORM_NAME(ROCKETLAKE), + PLATFORM_NAME(DG1), + PLATFORM_NAME(ALDERLAKE_S), + PLATFORM_NAME(ALDERLAKE_P), + PLATFORM_NAME(XEHPSDV), + PLATFORM_NAME(DG2), + PLATFORM_NAME(PONTEVECCHIO), + PLATFORM_NAME(METEORLAKE), +}; +#undef PLATFORM_NAME + +const char *intel_platform_name(enum intel_platform platform) +{ + BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS); + + if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) || + platform_names[platform] == NULL)) + return "<unknown>"; + + return platform_names[platform]; +} + +void intel_device_info_print(const struct intel_device_info *info, + const struct intel_runtime_info *runtime, + struct drm_printer *p) +{ + if (runtime->graphics.ip.rel) + drm_printf(p, "graphics version: %u.%02u\n", + runtime->graphics.ip.ver, + runtime->graphics.ip.rel); + else + drm_printf(p, "graphics version: %u\n", + runtime->graphics.ip.ver); + + if (runtime->media.ip.rel) + drm_printf(p, "media version: %u.%02u\n", + runtime->media.ip.ver, + runtime->media.ip.rel); + else + drm_printf(p, "media version: %u\n", + runtime->media.ip.ver); + + drm_printf(p, "graphics stepping: %s\n", intel_step_name(runtime->step.graphics_step)); + drm_printf(p, "media stepping: %s\n", intel_step_name(runtime->step.media_step)); + drm_printf(p, "display stepping: %s\n", intel_step_name(runtime->step.display_step)); + drm_printf(p, "base die stepping: %s\n", intel_step_name(runtime->step.basedie_step)); + + drm_printf(p, "gt: %d\n", info->gt); + drm_printf(p, "memory-regions: 0x%x\n", info->memory_regions); + drm_printf(p, "page-sizes: 0x%x\n", runtime->page_sizes); + drm_printf(p, "platform: %s\n", intel_platform_name(info->platform)); + drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size); + drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type); + drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size); + +#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name)) + DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG); +#undef PRINT_FLAG + + drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu)); + drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq); +} + +#undef INTEL_VGA_DEVICE +#define INTEL_VGA_DEVICE(id, info) (id) + +static const u16 subplatform_ult_ids[] = { + INTEL_HSW_ULT_GT1_IDS(0), + INTEL_HSW_ULT_GT2_IDS(0), + INTEL_HSW_ULT_GT3_IDS(0), + INTEL_BDW_ULT_GT1_IDS(0), + INTEL_BDW_ULT_GT2_IDS(0), + INTEL_BDW_ULT_GT3_IDS(0), + INTEL_BDW_ULT_RSVD_IDS(0), + INTEL_SKL_ULT_GT1_IDS(0), + INTEL_SKL_ULT_GT2_IDS(0), + INTEL_SKL_ULT_GT3_IDS(0), + INTEL_KBL_ULT_GT1_IDS(0), + INTEL_KBL_ULT_GT2_IDS(0), + INTEL_KBL_ULT_GT3_IDS(0), + INTEL_CFL_U_GT2_IDS(0), + INTEL_CFL_U_GT3_IDS(0), + INTEL_WHL_U_GT1_IDS(0), + INTEL_WHL_U_GT2_IDS(0), + INTEL_WHL_U_GT3_IDS(0), + INTEL_CML_U_GT1_IDS(0), + INTEL_CML_U_GT2_IDS(0), +}; + +static const u16 subplatform_ulx_ids[] = { + INTEL_HSW_ULX_GT1_IDS(0), + INTEL_HSW_ULX_GT2_IDS(0), + INTEL_BDW_ULX_GT1_IDS(0), + INTEL_BDW_ULX_GT2_IDS(0), + INTEL_BDW_ULX_GT3_IDS(0), + INTEL_BDW_ULX_RSVD_IDS(0), + INTEL_SKL_ULX_GT1_IDS(0), + INTEL_SKL_ULX_GT2_IDS(0), + INTEL_KBL_ULX_GT1_IDS(0), + INTEL_KBL_ULX_GT2_IDS(0), + INTEL_AML_KBL_GT2_IDS(0), + INTEL_AML_CFL_GT2_IDS(0), +}; + +static const u16 subplatform_portf_ids[] = { + INTEL_ICL_PORT_F_IDS(0), +}; + +static const u16 subplatform_uy_ids[] = { + INTEL_TGL_12_GT2_IDS(0), +}; + +static const u16 subplatform_n_ids[] = { + INTEL_ADLN_IDS(0), +}; + +static const u16 subplatform_rpl_ids[] = { + INTEL_RPLS_IDS(0), + INTEL_RPLP_IDS(0), +}; + +static const u16 subplatform_rplu_ids[] = { + INTEL_RPLU_IDS(0), +}; + +static const u16 subplatform_g10_ids[] = { + INTEL_DG2_G10_IDS(0), + INTEL_ATS_M150_IDS(0), +}; + +static const u16 subplatform_g11_ids[] = { + INTEL_DG2_G11_IDS(0), + INTEL_ATS_M75_IDS(0), +}; + +static const u16 subplatform_g12_ids[] = { + INTEL_DG2_G12_IDS(0), +}; + +static const u16 subplatform_m_ids[] = { + INTEL_MTL_M_IDS(0), +}; + +static const u16 subplatform_p_ids[] = { + INTEL_MTL_P_IDS(0), +}; + +static bool find_devid(u16 id, const u16 *p, unsigned int num) +{ + for (; num; num--, p++) { + if (*p == id) + return true; + } + + return false; +} + +static void intel_device_info_subplatform_init(struct drm_i915_private *i915) +{ + const struct intel_device_info *info = INTEL_INFO(i915); + const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915); + const unsigned int pi = __platform_mask_index(rinfo, info->platform); + const unsigned int pb = __platform_mask_bit(rinfo, info->platform); + u16 devid = INTEL_DEVID(i915); + u32 mask = 0; + + /* Make sure IS_<platform> checks are working. */ + RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb); + + /* Find and mark subplatform bits based on the PCI device id. */ + if (find_devid(devid, subplatform_ult_ids, + ARRAY_SIZE(subplatform_ult_ids))) { + mask = BIT(INTEL_SUBPLATFORM_ULT); + if (IS_HASWELL(i915) || IS_BROADWELL(i915)) + DISPLAY_RUNTIME_INFO(i915)->port_mask &= ~BIT(PORT_D); + } else if (find_devid(devid, subplatform_ulx_ids, + ARRAY_SIZE(subplatform_ulx_ids))) { + mask = BIT(INTEL_SUBPLATFORM_ULX); + if (IS_HASWELL(i915) || IS_BROADWELL(i915)) { + /* ULX machines are also considered ULT. */ + mask |= BIT(INTEL_SUBPLATFORM_ULT); + DISPLAY_RUNTIME_INFO(i915)->port_mask &= ~BIT(PORT_D); + } + } else if (find_devid(devid, subplatform_portf_ids, + ARRAY_SIZE(subplatform_portf_ids))) { + DISPLAY_RUNTIME_INFO(i915)->port_mask |= BIT(PORT_F); + mask = BIT(INTEL_SUBPLATFORM_PORTF); + } else if (find_devid(devid, subplatform_uy_ids, + ARRAY_SIZE(subplatform_uy_ids))) { + mask = BIT(INTEL_SUBPLATFORM_UY); + } else if (find_devid(devid, subplatform_n_ids, + ARRAY_SIZE(subplatform_n_ids))) { + mask = BIT(INTEL_SUBPLATFORM_N); + } else if (find_devid(devid, subplatform_rpl_ids, + ARRAY_SIZE(subplatform_rpl_ids))) { + mask = BIT(INTEL_SUBPLATFORM_RPL); + if (find_devid(devid, subplatform_rplu_ids, + ARRAY_SIZE(subplatform_rplu_ids))) + mask |= BIT(INTEL_SUBPLATFORM_RPLU); + } else if (find_devid(devid, subplatform_g10_ids, + ARRAY_SIZE(subplatform_g10_ids))) { + mask = BIT(INTEL_SUBPLATFORM_G10); + } else if (find_devid(devid, subplatform_g11_ids, + ARRAY_SIZE(subplatform_g11_ids))) { + mask = BIT(INTEL_SUBPLATFORM_G11); + } else if (find_devid(devid, subplatform_g12_ids, + ARRAY_SIZE(subplatform_g12_ids))) { + mask = BIT(INTEL_SUBPLATFORM_G12); + } else if (find_devid(devid, subplatform_m_ids, + ARRAY_SIZE(subplatform_m_ids))) { + mask = BIT(INTEL_SUBPLATFORM_M); + } else if (find_devid(devid, subplatform_p_ids, + ARRAY_SIZE(subplatform_p_ids))) { + mask = BIT(INTEL_SUBPLATFORM_P); + } + + GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK); + + RUNTIME_INFO(i915)->platform_mask[pi] |= mask; +} + +static void ip_ver_read(struct drm_i915_private *i915, u32 offset, struct intel_ip_version *ip) +{ + struct pci_dev *pdev = to_pci_dev(i915->drm.dev); + void __iomem *addr; + u32 val; + u8 expected_ver = ip->ver; + u8 expected_rel = ip->rel; + + addr = pci_iomap_range(pdev, 0, offset, sizeof(u32)); + if (drm_WARN_ON(&i915->drm, !addr)) + return; + + val = ioread32(addr); + pci_iounmap(pdev, addr); + + ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val); + ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val); + ip->step = REG_FIELD_GET(GMD_ID_STEP, val); + + /* Sanity check against expected versions from device info */ + if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel)) + drm_dbg(&i915->drm, + "Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n", + ip->ver, ip->rel, offset, val, expected_ver, expected_rel); +} + +/* + * Setup the graphics version for the current device. This must be done before + * any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this + * function should be called very early in the driver initialization sequence. + * + * Regular MMIO access is not yet setup at the point this function is called so + * we peek at the appropriate MMIO offset directly. The GMD_ID register is + * part of an 'always on' power well by design, so we don't need to worry about + * forcewake while reading it. + */ +static void intel_ipver_early_init(struct drm_i915_private *i915) +{ + struct intel_runtime_info *runtime = RUNTIME_INFO(i915); + + if (!HAS_GMD_ID(i915)) { + drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12); + /* + * On older platforms, graphics and media share the same ip + * version and release. + */ + RUNTIME_INFO(i915)->media.ip = + RUNTIME_INFO(i915)->graphics.ip; + return; + } + + ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS), + &runtime->graphics.ip); + /* Wa_22012778468 */ + if (runtime->graphics.ip.ver == 0x0 && + INTEL_INFO(i915)->platform == INTEL_METEORLAKE) { + RUNTIME_INFO(i915)->graphics.ip.ver = 12; + RUNTIME_INFO(i915)->graphics.ip.rel = 70; + } + ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA), + &runtime->media.ip); +} + +/** + * intel_device_info_runtime_init_early - initialize early runtime info + * @i915: the i915 device + * + * Determine early intel_device_info fields at runtime. This function needs + * to be called before the MMIO has been setup. + */ +void intel_device_info_runtime_init_early(struct drm_i915_private *i915) +{ + intel_ipver_early_init(i915); + intel_device_info_subplatform_init(i915); +} + +static const struct intel_display_device_info no_display = {}; + +/** + * intel_device_info_runtime_init - initialize runtime info + * @dev_priv: the i915 device + * + * Determine various intel_device_info fields at runtime. + * + * Use it when either: + * - it's judged too laborious to fill n static structures with the limit + * when a simple if statement does the job, + * - run-time checks (eg read fuse/strap registers) are needed. + * + * This function needs to be called: + * - after the MMIO has been setup as we are reading registers, + * - after the PCH has been detected, + * - before the first usage of the fields it can tweak. + */ +void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) +{ + struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv); + + if (HAS_DISPLAY(dev_priv)) + intel_display_device_info_runtime_init(dev_priv); + + /* Display may have been disabled by runtime init */ + if (!HAS_DISPLAY(dev_priv)) { + dev_priv->drm.driver_features &= ~(DRIVER_MODESET | + DRIVER_ATOMIC); + dev_priv->display.info.__device_info = &no_display; + } + + /* Disable nuclear pageflip by default on pre-g4x */ + if (!dev_priv->params.nuclear_pageflip && + DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) + dev_priv->drm.driver_features &= ~DRIVER_ATOMIC; + + BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES); + + if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) { + drm_info(&dev_priv->drm, + "Disabling ppGTT for VT-d support\n"); + runtime->ppgtt_type = INTEL_PPGTT_NONE; + } + + runtime->rawclk_freq = intel_read_rawclk(dev_priv); + drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq); + +} + +/* + * Set up device info and initial runtime info at driver create. + * + * Note: i915 is only an allocated blob of memory at this point. + */ +void intel_device_info_driver_create(struct drm_i915_private *i915, + u16 device_id, + const struct intel_device_info *match_info) +{ + struct intel_runtime_info *runtime; + u16 ver, rel, step; + + /* Setup INTEL_INFO() */ + i915->__info = match_info; + + /* Initialize initial runtime info from static const data and pdev. */ + runtime = RUNTIME_INFO(i915); + memcpy(runtime, &INTEL_INFO(i915)->__runtime, sizeof(*runtime)); + + /* Probe display support */ + i915->display.info.__device_info = intel_display_device_probe(i915, HAS_GMD_ID(i915), + &ver, &rel, &step); + memcpy(DISPLAY_RUNTIME_INFO(i915), + &DISPLAY_INFO(i915)->__runtime_defaults, + sizeof(*DISPLAY_RUNTIME_INFO(i915))); + + if (HAS_GMD_ID(i915)) { + DISPLAY_RUNTIME_INFO(i915)->ip.ver = ver; + DISPLAY_RUNTIME_INFO(i915)->ip.rel = rel; + DISPLAY_RUNTIME_INFO(i915)->ip.step = step; + } + + runtime->device_id = device_id; +} + +void intel_driver_caps_print(const struct intel_driver_caps *caps, + struct drm_printer *p) +{ + drm_printf(p, "Has logical contexts? %s\n", + str_yes_no(caps->has_logical_contexts)); + drm_printf(p, "scheduler: 0x%x\n", caps->scheduler); +} |