diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 476 |
1 files changed, 323 insertions, 153 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index 56a0d80f88ba..b91ad4aede1f 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -41,7 +41,7 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, "%s firmware -> %s\n", intel_uc_fw_type_repr(uc_fw->type), status == INTEL_UC_FIRMWARE_SELECTED ? - uc_fw->path : intel_uc_fw_status_repr(status)); + uc_fw->file_selected.path : intel_uc_fw_status_repr(status)); } #endif @@ -51,84 +51,153 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, * * Note that RKL and ADL-S have the same GuC/HuC device ID's and use the same * firmware as TGL. + * + * Version numbers: + * Originally, the driver required an exact match major/minor/patch furmware + * file and only supported that one version for any given platform. However, + * the new direction from upstream is to be backwards compatible with all + * prior releases and to be as flexible as possible as to what firmware is + * loaded. + * + * For GuC, the major version number signifies a backwards breaking API change. + * So, new format GuC firmware files are labelled by their major version only. + * For HuC, there is no KMD interaction, hence no version matching requirement. + * So, new format HuC firmware files have no version number at all. + * + * All of which means that the table below must keep all old format files with + * full three point version number. But newer files have reduced requirements. + * Having said that, the driver still needs to track the minor version number + * for GuC at least. As it is useful to report to the user that they are not + * running with a recent enough version for all KMD supported features, + * security fixes, etc. to be enabled. + */ +#define INTEL_GUC_FIRMWARE_DEFS(fw_def, guc_maj, guc_mmp) \ + fw_def(DG2, 0, guc_maj(dg2, 70, 5)) \ + fw_def(ALDERLAKE_P, 0, guc_maj(adlp, 70, 5)) \ + fw_def(ALDERLAKE_P, 0, guc_mmp(adlp, 70, 1, 1)) \ + fw_def(ALDERLAKE_P, 0, guc_mmp(adlp, 69, 0, 3)) \ + fw_def(ALDERLAKE_S, 0, guc_maj(tgl, 70, 5)) \ + fw_def(ALDERLAKE_S, 0, guc_mmp(tgl, 70, 1, 1)) \ + fw_def(ALDERLAKE_S, 0, guc_mmp(tgl, 69, 0, 3)) \ + fw_def(DG1, 0, guc_maj(dg1, 70, 5)) \ + fw_def(ROCKETLAKE, 0, guc_mmp(tgl, 70, 1, 1)) \ + fw_def(TIGERLAKE, 0, guc_mmp(tgl, 70, 1, 1)) \ + fw_def(JASPERLAKE, 0, guc_mmp(ehl, 70, 1, 1)) \ + fw_def(ELKHARTLAKE, 0, guc_mmp(ehl, 70, 1, 1)) \ + fw_def(ICELAKE, 0, guc_mmp(icl, 70, 1, 1)) \ + fw_def(COMETLAKE, 5, guc_mmp(cml, 70, 1, 1)) \ + fw_def(COMETLAKE, 0, guc_mmp(kbl, 70, 1, 1)) \ + fw_def(COFFEELAKE, 0, guc_mmp(kbl, 70, 1, 1)) \ + fw_def(GEMINILAKE, 0, guc_mmp(glk, 70, 1, 1)) \ + fw_def(KABYLAKE, 0, guc_mmp(kbl, 70, 1, 1)) \ + fw_def(BROXTON, 0, guc_mmp(bxt, 70, 1, 1)) \ + fw_def(SKYLAKE, 0, guc_mmp(skl, 70, 1, 1)) + +#define INTEL_HUC_FIRMWARE_DEFS(fw_def, huc_raw, huc_mmp) \ + fw_def(ALDERLAKE_P, 0, huc_raw(tgl)) \ + fw_def(ALDERLAKE_P, 0, huc_mmp(tgl, 7, 9, 3)) \ + fw_def(ALDERLAKE_S, 0, huc_raw(tgl)) \ + fw_def(ALDERLAKE_S, 0, huc_mmp(tgl, 7, 9, 3)) \ + fw_def(DG1, 0, huc_raw(dg1)) \ + fw_def(ROCKETLAKE, 0, huc_mmp(tgl, 7, 9, 3)) \ + fw_def(TIGERLAKE, 0, huc_mmp(tgl, 7, 9, 3)) \ + fw_def(JASPERLAKE, 0, huc_mmp(ehl, 9, 0, 0)) \ + fw_def(ELKHARTLAKE, 0, huc_mmp(ehl, 9, 0, 0)) \ + fw_def(ICELAKE, 0, huc_mmp(icl, 9, 0, 0)) \ + fw_def(COMETLAKE, 5, huc_mmp(cml, 4, 0, 0)) \ + fw_def(COMETLAKE, 0, huc_mmp(kbl, 4, 0, 0)) \ + fw_def(COFFEELAKE, 0, huc_mmp(kbl, 4, 0, 0)) \ + fw_def(GEMINILAKE, 0, huc_mmp(glk, 4, 0, 0)) \ + fw_def(KABYLAKE, 0, huc_mmp(kbl, 4, 0, 0)) \ + fw_def(BROXTON, 0, huc_mmp(bxt, 2, 0, 0)) \ + fw_def(SKYLAKE, 0, huc_mmp(skl, 2, 0, 0)) + +/* + * Set of macros for producing a list of filenames from the above table. */ -#define INTEL_GUC_FIRMWARE_DEFS(fw_def, guc_def) \ - fw_def(DG2, 0, guc_def(dg2, 70, 1, 2)) \ - fw_def(ALDERLAKE_P, 0, guc_def(adlp, 70, 1, 1)) \ - fw_def(ALDERLAKE_S, 0, guc_def(tgl, 70, 1, 1)) \ - fw_def(DG1, 0, guc_def(dg1, 70, 1, 1)) \ - fw_def(ROCKETLAKE, 0, guc_def(tgl, 70, 1, 1)) \ - fw_def(TIGERLAKE, 0, guc_def(tgl, 70, 1, 1)) \ - fw_def(JASPERLAKE, 0, guc_def(ehl, 70, 1, 1)) \ - fw_def(ELKHARTLAKE, 0, guc_def(ehl, 70, 1, 1)) \ - fw_def(ICELAKE, 0, guc_def(icl, 70, 1, 1)) \ - fw_def(COMETLAKE, 5, guc_def(cml, 70, 1, 1)) \ - fw_def(COMETLAKE, 0, guc_def(kbl, 70, 1, 1)) \ - fw_def(COFFEELAKE, 0, guc_def(kbl, 70, 1, 1)) \ - fw_def(GEMINILAKE, 0, guc_def(glk, 70, 1, 1)) \ - fw_def(KABYLAKE, 0, guc_def(kbl, 70, 1, 1)) \ - fw_def(BROXTON, 0, guc_def(bxt, 70, 1, 1)) \ - fw_def(SKYLAKE, 0, guc_def(skl, 70, 1, 1)) - -#define INTEL_GUC_FIRMWARE_DEFS_FALLBACK(fw_def, guc_def) \ - fw_def(ALDERLAKE_P, 0, guc_def(adlp, 69, 0, 3)) \ - fw_def(ALDERLAKE_S, 0, guc_def(tgl, 69, 0, 3)) - -#define INTEL_HUC_FIRMWARE_DEFS(fw_def, huc_def) \ - fw_def(ALDERLAKE_P, 0, huc_def(tgl, 7, 9, 3)) \ - fw_def(ALDERLAKE_S, 0, huc_def(tgl, 7, 9, 3)) \ - fw_def(DG1, 0, huc_def(dg1, 7, 9, 3)) \ - fw_def(ROCKETLAKE, 0, huc_def(tgl, 7, 9, 3)) \ - fw_def(TIGERLAKE, 0, huc_def(tgl, 7, 9, 3)) \ - fw_def(JASPERLAKE, 0, huc_def(ehl, 9, 0, 0)) \ - fw_def(ELKHARTLAKE, 0, huc_def(ehl, 9, 0, 0)) \ - fw_def(ICELAKE, 0, huc_def(icl, 9, 0, 0)) \ - fw_def(COMETLAKE, 5, huc_def(cml, 4, 0, 0)) \ - fw_def(COMETLAKE, 0, huc_def(kbl, 4, 0, 0)) \ - fw_def(COFFEELAKE, 0, huc_def(kbl, 4, 0, 0)) \ - fw_def(GEMINILAKE, 0, huc_def(glk, 4, 0, 0)) \ - fw_def(KABYLAKE, 0, huc_def(kbl, 4, 0, 0)) \ - fw_def(BROXTON, 0, huc_def(bxt, 2, 0, 0)) \ - fw_def(SKYLAKE, 0, huc_def(skl, 2, 0, 0)) - -#define __MAKE_UC_FW_PATH(prefix_, name_, major_, minor_, patch_) \ +#define __MAKE_UC_FW_PATH_BLANK(prefix_, name_) \ + "i915/" \ + __stringify(prefix_) name_ ".bin" + +#define __MAKE_UC_FW_PATH_MAJOR(prefix_, name_, major_) \ + "i915/" \ + __stringify(prefix_) name_ \ + __stringify(major_) ".bin" + +#define __MAKE_UC_FW_PATH_MMP(prefix_, name_, major_, minor_, patch_) \ "i915/" \ __stringify(prefix_) name_ \ __stringify(major_) "." \ __stringify(minor_) "." \ __stringify(patch_) ".bin" -#define MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_) \ - __MAKE_UC_FW_PATH(prefix_, "_guc_", major_, minor_, patch_) +/* Minor for internal driver use, not part of file name */ +#define MAKE_GUC_FW_PATH_MAJOR(prefix_, major_, minor_) \ + __MAKE_UC_FW_PATH_MAJOR(prefix_, "_guc_", major_) + +#define MAKE_GUC_FW_PATH_MMP(prefix_, major_, minor_, patch_) \ + __MAKE_UC_FW_PATH_MMP(prefix_, "_guc_", major_, minor_, patch_) -#define MAKE_HUC_FW_PATH(prefix_, major_, minor_, bld_num_) \ - __MAKE_UC_FW_PATH(prefix_, "_huc_", major_, minor_, bld_num_) +#define MAKE_HUC_FW_PATH_BLANK(prefix_) \ + __MAKE_UC_FW_PATH_BLANK(prefix_, "_huc") -/* All blobs need to be declared via MODULE_FIRMWARE() */ +#define MAKE_HUC_FW_PATH_MMP(prefix_, major_, minor_, patch_) \ + __MAKE_UC_FW_PATH_MMP(prefix_, "_huc_", major_, minor_, patch_) + +/* + * All blobs need to be declared via MODULE_FIRMWARE(). + * This first expansion of the table macros is solely to provide + * that declaration. + */ #define INTEL_UC_MODULE_FW(platform_, revid_, uc_) \ MODULE_FIRMWARE(uc_); -INTEL_GUC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_GUC_FW_PATH) -INTEL_GUC_FIRMWARE_DEFS_FALLBACK(INTEL_UC_MODULE_FW, MAKE_GUC_FW_PATH) -INTEL_HUC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_HUC_FW_PATH) +INTEL_GUC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_GUC_FW_PATH_MAJOR, MAKE_GUC_FW_PATH_MMP) +INTEL_HUC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_HUC_FW_PATH_BLANK, MAKE_HUC_FW_PATH_MMP) -/* The below structs and macros are used to iterate across the list of blobs */ +/* + * The next expansion of the table macros (in __uc_fw_auto_select below) provides + * actual data structures with both the filename and the version information. + * These structure arrays are then iterated over to the list of suitable files + * for the current platform and to then attempt to load those files, in the order + * listed, until one is successfully found. + */ struct __packed uc_fw_blob { + const char *path; + bool legacy; u8 major; u8 minor; - const char *path; + u8 patch; }; -#define UC_FW_BLOB(major_, minor_, path_) \ - { .major = major_, .minor = minor_, .path = path_ } +#define UC_FW_BLOB_BASE(major_, minor_, patch_, path_) \ + .major = major_, \ + .minor = minor_, \ + .patch = patch_, \ + .path = path_, + +#define UC_FW_BLOB_NEW(major_, minor_, patch_, path_) \ + { UC_FW_BLOB_BASE(major_, minor_, patch_, path_) \ + .legacy = false } -#define GUC_FW_BLOB(prefix_, major_, minor_, patch_) \ - UC_FW_BLOB(major_, minor_, \ - MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_)) +#define UC_FW_BLOB_OLD(major_, minor_, patch_, path_) \ + { UC_FW_BLOB_BASE(major_, minor_, patch_, path_) \ + .legacy = true } -#define HUC_FW_BLOB(prefix_, major_, minor_, bld_num_) \ - UC_FW_BLOB(major_, minor_, \ - MAKE_HUC_FW_PATH(prefix_, major_, minor_, bld_num_)) +#define GUC_FW_BLOB(prefix_, major_, minor_) \ + UC_FW_BLOB_NEW(major_, minor_, 0, \ + MAKE_GUC_FW_PATH_MAJOR(prefix_, major_, minor_)) + +#define GUC_FW_BLOB_MMP(prefix_, major_, minor_, patch_) \ + UC_FW_BLOB_OLD(major_, minor_, patch_, \ + MAKE_GUC_FW_PATH_MMP(prefix_, major_, minor_, patch_)) + +#define HUC_FW_BLOB(prefix_) \ + UC_FW_BLOB_NEW(0, 0, 0, MAKE_HUC_FW_PATH_BLANK(prefix_)) + +#define HUC_FW_BLOB_MMP(prefix_, major_, minor_, patch_) \ + UC_FW_BLOB_OLD(major_, minor_, patch_, \ + MAKE_HUC_FW_PATH_MMP(prefix_, major_, minor_, patch_)) struct __packed uc_fw_platform_requirement { enum intel_platform p; @@ -152,23 +221,22 @@ static void __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) { static const struct uc_fw_platform_requirement blobs_guc[] = { - INTEL_GUC_FIRMWARE_DEFS(MAKE_FW_LIST, GUC_FW_BLOB) - }; - static const struct uc_fw_platform_requirement blobs_guc_fallback[] = { - INTEL_GUC_FIRMWARE_DEFS_FALLBACK(MAKE_FW_LIST, GUC_FW_BLOB) + INTEL_GUC_FIRMWARE_DEFS(MAKE_FW_LIST, GUC_FW_BLOB, GUC_FW_BLOB_MMP) }; static const struct uc_fw_platform_requirement blobs_huc[] = { - INTEL_HUC_FIRMWARE_DEFS(MAKE_FW_LIST, HUC_FW_BLOB) + INTEL_HUC_FIRMWARE_DEFS(MAKE_FW_LIST, HUC_FW_BLOB, HUC_FW_BLOB_MMP) }; static const struct fw_blobs_by_type blobs_all[INTEL_UC_FW_NUM_TYPES] = { [INTEL_UC_FW_TYPE_GUC] = { blobs_guc, ARRAY_SIZE(blobs_guc) }, [INTEL_UC_FW_TYPE_HUC] = { blobs_huc, ARRAY_SIZE(blobs_huc) }, }; + static bool verified; const struct uc_fw_platform_requirement *fw_blobs; enum intel_platform p = INTEL_INFO(i915)->platform; u32 fw_count; u8 rev = INTEL_REVID(i915); int i; + bool found; /* * The only difference between the ADL GuC FWs is the HWConfig support. @@ -183,50 +251,102 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) fw_blobs = blobs_all[uc_fw->type].blobs; fw_count = blobs_all[uc_fw->type].count; + found = false; for (i = 0; i < fw_count && p <= fw_blobs[i].p; i++) { - if (p == fw_blobs[i].p && rev >= fw_blobs[i].rev) { - const struct uc_fw_blob *blob = &fw_blobs[i].blob; - uc_fw->path = blob->path; - uc_fw->wanted_path = blob->path; - uc_fw->major_ver_wanted = blob->major; - uc_fw->minor_ver_wanted = blob->minor; - break; - } - } + const struct uc_fw_blob *blob = &fw_blobs[i].blob; - if (uc_fw->type == INTEL_UC_FW_TYPE_GUC) { - const struct uc_fw_platform_requirement *blobs = blobs_guc_fallback; - u32 count = ARRAY_SIZE(blobs_guc_fallback); + if (p != fw_blobs[i].p) + continue; - for (i = 0; i < count && p <= blobs[i].p; i++) { - if (p == blobs[i].p && rev >= blobs[i].rev) { - const struct uc_fw_blob *blob = &blobs[i].blob; + if (rev < fw_blobs[i].rev) + continue; - uc_fw->fallback.path = blob->path; - uc_fw->fallback.major_ver = blob->major; - uc_fw->fallback.minor_ver = blob->minor; - break; - } + if (uc_fw->file_selected.path) { + if (uc_fw->file_selected.path == blob->path) + uc_fw->file_selected.path = NULL; + + continue; } + + uc_fw->file_selected.path = blob->path; + uc_fw->file_wanted.path = blob->path; + uc_fw->file_wanted.major_ver = blob->major; + uc_fw->file_wanted.minor_ver = blob->minor; + found = true; + break; + } + + if (!found && uc_fw->file_selected.path) { + /* Failed to find a match for the last attempt?! */ + uc_fw->file_selected.path = NULL; } /* make sure the list is ordered as expected */ - if (IS_ENABLED(CONFIG_DRM_I915_SELFTEST)) { + if (IS_ENABLED(CONFIG_DRM_I915_SELFTEST) && !verified) { + verified = true; + for (i = 1; i < fw_count; i++) { + /* Next platform is good: */ if (fw_blobs[i].p < fw_blobs[i - 1].p) continue; + /* Next platform revision is good: */ if (fw_blobs[i].p == fw_blobs[i - 1].p && fw_blobs[i].rev < fw_blobs[i - 1].rev) continue; - pr_err("invalid FW blob order: %s r%u comes before %s r%u\n", - intel_platform_name(fw_blobs[i - 1].p), - fw_blobs[i - 1].rev, - intel_platform_name(fw_blobs[i].p), - fw_blobs[i].rev); + /* Platform/revision must be in order: */ + if (fw_blobs[i].p != fw_blobs[i - 1].p || + fw_blobs[i].rev != fw_blobs[i - 1].rev) + goto bad; + + /* Next major version is good: */ + if (fw_blobs[i].blob.major < fw_blobs[i - 1].blob.major) + continue; + + /* New must be before legacy: */ + if (!fw_blobs[i].blob.legacy && fw_blobs[i - 1].blob.legacy) + goto bad; + + /* New to legacy also means 0.0 to X.Y (HuC), or X.0 to X.Y (GuC) */ + if (fw_blobs[i].blob.legacy && !fw_blobs[i - 1].blob.legacy) { + if (!fw_blobs[i - 1].blob.major) + continue; + + if (fw_blobs[i].blob.major == fw_blobs[i - 1].blob.major) + continue; + } + + /* Major versions must be in order: */ + if (fw_blobs[i].blob.major != fw_blobs[i - 1].blob.major) + goto bad; + + /* Next minor version is good: */ + if (fw_blobs[i].blob.minor < fw_blobs[i - 1].blob.minor) + continue; + + /* Minor versions must be in order: */ + if (fw_blobs[i].blob.minor != fw_blobs[i - 1].blob.minor) + goto bad; + + /* Patch versions must be in order: */ + if (fw_blobs[i].blob.patch <= fw_blobs[i - 1].blob.patch) + continue; - uc_fw->path = NULL; +bad: + drm_err(&i915->drm, "Invalid FW blob order: %s r%u %s%d.%d.%d comes before %s r%u %s%d.%d.%d\n", + intel_platform_name(fw_blobs[i - 1].p), fw_blobs[i - 1].rev, + fw_blobs[i - 1].blob.legacy ? "L" : "v", + fw_blobs[i - 1].blob.major, + fw_blobs[i - 1].blob.minor, + fw_blobs[i - 1].blob.patch, + intel_platform_name(fw_blobs[i].p), fw_blobs[i].rev, + fw_blobs[i].blob.legacy ? "L" : "v", + fw_blobs[i].blob.major, + fw_blobs[i].blob.minor, + fw_blobs[i].blob.patch); + + uc_fw->file_selected.path = NULL; } } } @@ -259,7 +379,7 @@ static void __uc_fw_user_override(struct drm_i915_private *i915, struct intel_uc } if (unlikely(path)) { - uc_fw->path = path; + uc_fw->file_selected.path = path; uc_fw->user_overridden = true; } } @@ -283,7 +403,7 @@ void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw, */ BUILD_BUG_ON(INTEL_UC_FIRMWARE_UNINITIALIZED); GEM_BUG_ON(uc_fw->status); - GEM_BUG_ON(uc_fw->path); + GEM_BUG_ON(uc_fw->file_selected.path); uc_fw->type = type; @@ -292,7 +412,7 @@ void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw, __uc_fw_user_override(i915, uc_fw); } - intel_uc_fw_change_status(uc_fw, uc_fw->path ? *uc_fw->path ? + intel_uc_fw_change_status(uc_fw, uc_fw->file_selected.path ? *uc_fw->file_selected.path ? INTEL_UC_FIRMWARE_SELECTED : INTEL_UC_FIRMWARE_DISABLED : INTEL_UC_FIRMWARE_NOT_SUPPORTED); @@ -305,32 +425,32 @@ static void __force_fw_fetch_failures(struct intel_uc_fw *uc_fw, int e) if (i915_inject_probe_error(i915, e)) { /* non-existing blob */ - uc_fw->path = "<invalid>"; + uc_fw->file_selected.path = "<invalid>"; uc_fw->user_overridden = user; } else if (i915_inject_probe_error(i915, e)) { /* require next major version */ - uc_fw->major_ver_wanted += 1; - uc_fw->minor_ver_wanted = 0; + uc_fw->file_wanted.major_ver += 1; + uc_fw->file_wanted.minor_ver = 0; uc_fw->user_overridden = user; } else if (i915_inject_probe_error(i915, e)) { /* require next minor version */ - uc_fw->minor_ver_wanted += 1; + uc_fw->file_wanted.minor_ver += 1; uc_fw->user_overridden = user; - } else if (uc_fw->major_ver_wanted && + } else if (uc_fw->file_wanted.major_ver && i915_inject_probe_error(i915, e)) { /* require prev major version */ - uc_fw->major_ver_wanted -= 1; - uc_fw->minor_ver_wanted = 0; + uc_fw->file_wanted.major_ver -= 1; + uc_fw->file_wanted.minor_ver = 0; uc_fw->user_overridden = user; - } else if (uc_fw->minor_ver_wanted && + } else if (uc_fw->file_wanted.minor_ver && i915_inject_probe_error(i915, e)) { /* require prev minor version - hey, this should work! */ - uc_fw->minor_ver_wanted -= 1; + uc_fw->file_wanted.minor_ver -= 1; uc_fw->user_overridden = user; } else if (user && i915_inject_probe_error(i915, e)) { /* officially unsupported platform */ - uc_fw->major_ver_wanted = 0; - uc_fw->minor_ver_wanted = 0; + uc_fw->file_wanted.major_ver = 0; + uc_fw->file_wanted.minor_ver = 0; uc_fw->user_overridden = true; } } @@ -339,10 +459,12 @@ static int check_gsc_manifest(const struct firmware *fw, struct intel_uc_fw *uc_fw) { u32 *dw = (u32 *)fw->data; - u32 version = dw[HUC_GSC_VERSION_DW]; + u32 version_hi = dw[HUC_GSC_VERSION_HI_DW]; + u32 version_lo = dw[HUC_GSC_VERSION_LO_DW]; - uc_fw->major_ver_found = FIELD_GET(HUC_GSC_MAJOR_VER_MASK, version); - uc_fw->minor_ver_found = FIELD_GET(HUC_GSC_MINOR_VER_MASK, version); + uc_fw->file_selected.major_ver = FIELD_GET(HUC_GSC_MAJOR_VER_HI_MASK, version_hi); + uc_fw->file_selected.minor_ver = FIELD_GET(HUC_GSC_MINOR_VER_HI_MASK, version_hi); + uc_fw->file_selected.patch_ver = FIELD_GET(HUC_GSC_PATCH_VER_LO_MASK, version_lo); return 0; } @@ -357,7 +479,7 @@ static int check_ccs_header(struct drm_i915_private *i915, /* Check the size of the blob before examining buffer contents */ if (unlikely(fw->size < sizeof(struct uc_css_header))) { drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu < %zu\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, fw->size, sizeof(struct uc_css_header)); return -ENODATA; } @@ -370,7 +492,7 @@ static int check_ccs_header(struct drm_i915_private *i915, if (unlikely(size != sizeof(struct uc_css_header))) { drm_warn(&i915->drm, "%s firmware %s: unexpected header size: %zu != %zu\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, fw->size, sizeof(struct uc_css_header)); return -EPROTO; } @@ -385,7 +507,7 @@ static int check_ccs_header(struct drm_i915_private *i915, size = sizeof(struct uc_css_header) + uc_fw->ucode_size + uc_fw->rsa_size; if (unlikely(fw->size < size)) { drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu < %zu\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, fw->size, size); return -ENOEXEC; } @@ -394,16 +516,18 @@ static int check_ccs_header(struct drm_i915_private *i915, size = __intel_uc_fw_get_upload_size(uc_fw); if (unlikely(size >= i915->wopcm.size)) { drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu > %zu\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, size, (size_t)i915->wopcm.size); return -E2BIG; } /* Get version numbers from the CSS header */ - uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_UC_MAJOR, - css->sw_version); - uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_UC_MINOR, - css->sw_version); + uc_fw->file_selected.major_ver = FIELD_GET(CSS_SW_VERSION_UC_MAJOR, + css->sw_version); + uc_fw->file_selected.minor_ver = FIELD_GET(CSS_SW_VERSION_UC_MINOR, + css->sw_version); + uc_fw->file_selected.patch_ver = FIELD_GET(CSS_SW_VERSION_UC_PATCH, + css->sw_version); if (uc_fw->type == INTEL_UC_FW_TYPE_GUC) uc_fw->private_data_size = css->private_data_size; @@ -422,9 +546,11 @@ static int check_ccs_header(struct drm_i915_private *i915, int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw) { struct drm_i915_private *i915 = __uc_fw_to_gt(uc_fw)->i915; + struct intel_uc_fw_file file_ideal; struct device *dev = i915->drm.dev; struct drm_i915_gem_object *obj; const struct firmware *fw = NULL; + bool old_ver = false; int err; GEM_BUG_ON(!i915->wopcm.size); @@ -437,24 +563,32 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw) __force_fw_fetch_failures(uc_fw, -EINVAL); __force_fw_fetch_failures(uc_fw, -ESTALE); - err = firmware_request_nowarn(&fw, uc_fw->path, dev); - if (err && !intel_uc_fw_is_overridden(uc_fw) && uc_fw->fallback.path) { - err = firmware_request_nowarn(&fw, uc_fw->fallback.path, dev); - if (!err) { - drm_notice(&i915->drm, - "%s firmware %s is recommended, but only %s was found\n", - intel_uc_fw_type_repr(uc_fw->type), - uc_fw->wanted_path, - uc_fw->fallback.path); - drm_info(&i915->drm, - "Consider updating your linux-firmware pkg or downloading from %s\n", - INTEL_UC_FIRMWARE_URL); - - uc_fw->path = uc_fw->fallback.path; - uc_fw->major_ver_wanted = uc_fw->fallback.major_ver; - uc_fw->minor_ver_wanted = uc_fw->fallback.minor_ver; + err = firmware_request_nowarn(&fw, uc_fw->file_selected.path, dev); + memcpy(&file_ideal, &uc_fw->file_wanted, sizeof(file_ideal)); + + /* Any error is terminal if overriding. Don't bother searching for older versions */ + if (err && intel_uc_fw_is_overridden(uc_fw)) + goto fail; + + while (err == -ENOENT) { + old_ver = true; + + __uc_fw_auto_select(i915, uc_fw); + if (!uc_fw->file_selected.path) { + /* + * No more options! But set the path back to something + * valid just in case it gets dereferenced. + */ + uc_fw->file_selected.path = file_ideal.path; + + /* Also, preserve the version that was really wanted */ + memcpy(&uc_fw->file_wanted, &file_ideal, sizeof(uc_fw->file_wanted)); + break; } + + err = firmware_request_nowarn(&fw, uc_fw->file_selected.path, dev); } + if (err) goto fail; @@ -465,18 +599,39 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw) if (err) goto fail; - if (uc_fw->major_ver_found != uc_fw->major_ver_wanted || - uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) { - drm_notice(&i915->drm, "%s firmware %s: unexpected version: %u.%u != %u.%u\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, - uc_fw->major_ver_found, uc_fw->minor_ver_found, - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); - if (!intel_uc_fw_is_overridden(uc_fw)) { - err = -ENOEXEC; - goto fail; + if (uc_fw->file_wanted.major_ver) { + /* Check the file's major version was as it claimed */ + if (uc_fw->file_selected.major_ver != uc_fw->file_wanted.major_ver) { + drm_notice(&i915->drm, "%s firmware %s: unexpected version: %u.%u != %u.%u\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, + uc_fw->file_selected.major_ver, uc_fw->file_selected.minor_ver, + uc_fw->file_wanted.major_ver, uc_fw->file_wanted.minor_ver); + if (!intel_uc_fw_is_overridden(uc_fw)) { + err = -ENOEXEC; + goto fail; + } + } else { + if (uc_fw->file_selected.minor_ver < uc_fw->file_wanted.minor_ver) + old_ver = true; } } + if (old_ver) { + /* Preserve the version that was really wanted */ + memcpy(&uc_fw->file_wanted, &file_ideal, sizeof(uc_fw->file_wanted)); + + drm_notice(&i915->drm, + "%s firmware %s (%d.%d) is recommended, but only %s (%d.%d) was found\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->file_wanted.path, + uc_fw->file_wanted.major_ver, uc_fw->file_wanted.minor_ver, + uc_fw->file_selected.path, + uc_fw->file_selected.major_ver, uc_fw->file_selected.minor_ver); + drm_info(&i915->drm, + "Consider updating your linux-firmware pkg or downloading from %s\n", + INTEL_UC_FIRMWARE_URL); + } + if (HAS_LMEM(i915)) { obj = i915_gem_object_create_lmem_from_data(i915, fw->data, fw->size); if (!IS_ERR(obj)) @@ -503,7 +658,7 @@ fail: INTEL_UC_FIRMWARE_ERROR); i915_probe_error(i915, "%s firmware %s: fetch failed with error %d\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, err); drm_info(&i915->drm, "%s firmware(s) can be downloaded from %s\n", intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL); @@ -645,7 +800,7 @@ int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, u32 dst_offset, u32 dma_flags) fail: i915_probe_error(gt->i915, "Failed to load %s firmware %s (%d)\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path, err); intel_uc_fw_change_status(uc_fw, INTEL_UC_FIRMWARE_LOAD_FAIL); return err; @@ -863,19 +1018,34 @@ size_t intel_uc_fw_copy_rsa(struct intel_uc_fw *uc_fw, void *dst, u32 max_len) */ void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p) { + u32 ver_sel, ver_want; + drm_printf(p, "%s firmware: %s\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->wanted_path); - if (uc_fw->fallback.path) { - drm_printf(p, "%s firmware fallback: %s\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->fallback.path); - drm_printf(p, "fallback selected: %s\n", - str_yes_no(uc_fw->path == uc_fw->fallback.path)); - } + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_selected.path); + if (uc_fw->file_selected.path != uc_fw->file_wanted.path) + drm_printf(p, "%s firmware wanted: %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->file_wanted.path); drm_printf(p, "\tstatus: %s\n", intel_uc_fw_status_repr(uc_fw->status)); - drm_printf(p, "\tversion: wanted %u.%u, found %u.%u\n", - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted, - uc_fw->major_ver_found, uc_fw->minor_ver_found); + ver_sel = MAKE_UC_VER(uc_fw->file_selected.major_ver, + uc_fw->file_selected.minor_ver, + uc_fw->file_selected.patch_ver); + ver_want = MAKE_UC_VER(uc_fw->file_wanted.major_ver, + uc_fw->file_wanted.minor_ver, + uc_fw->file_wanted.patch_ver); + if (ver_sel < ver_want) + drm_printf(p, "\tversion: wanted %u.%u.%u, found %u.%u.%u\n", + uc_fw->file_wanted.major_ver, + uc_fw->file_wanted.minor_ver, + uc_fw->file_wanted.patch_ver, + uc_fw->file_selected.major_ver, + uc_fw->file_selected.minor_ver, + uc_fw->file_selected.patch_ver); + else + drm_printf(p, "\tversion: found %u.%u.%u\n", + uc_fw->file_selected.major_ver, + uc_fw->file_selected.minor_ver, + uc_fw->file_selected.patch_ver); drm_printf(p, "\tuCode: %u bytes\n", uc_fw->ucode_size); drm_printf(p, "\tRSA: %u bytes\n", uc_fw->rsa_size); } |