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drm/xe/huc: Support for loading unversiond HuC

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Follow the new direction of firmware and add macro
support for loading unversioned HuC. Keep HuC
versioned loading support as well for platforms
that fall under force_probe support

Add check to ensure driver does not do any version check
for HuC if going through unversioned load.

v2: unversioned firmware to be the default for platforms
not under force_probe. Maintain versioned firmware macro support
for platforms under force-probe protection.
v3: Minor style and naming adjustments (Lucas)

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20230323224651.1187366-2-lucas.demarchi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Anusha Srivatsa 2023-03-23 15:46:50 -07:00 committed by Rodrigo Vivi
parent b4eecedc75
commit 85ea2bd2fd
1 changed files with 33 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
drivers/gpu/drm/xe/xe_uc_fw.c
View File

@ -50,18 +50,22 @@ static struct xe_device *uc_fw_to_xe(struct xe_uc_fw *uc_fw)
fw_def(DG1, 0, guc_def(dg1, 70, 5, 2)) \
fw_def(TIGERLAKE, 0, guc_def(tgl, 70, 5, 2))
#define XE_HUC_FIRMWARE_DEFS(fw_def, huc_def) \
fw_def(DG1, 0, huc_def(dg1, 7, 9, 3)) \
fw_def(TIGERLAKE, 0, huc_def(tgl, 7, 9, 3))
#define XE_HUC_FIRMWARE_DEFS(fw_def, huc_def, huc_ver) \
fw_def(DG1, 0, huc_def(dg1)) \
fw_def(TIGERLAKE, 0, huc_def(tgl))
#define __MAKE_HUC_FW_PATH(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(prefix_, name_, major_, minor_, patch_) \
#define __MAKE_UC_FW_PATH_FULL_VER(prefix_, name_, major_, minor_, patch_) \
"i915/" \
__stringify(prefix_) name_ \
__stringify(prefix_) "_" name_ "_" \
__stringify(major_) "." \
__stringify(minor_) "." \
__stringify(patch_) ".bin"
@ -69,15 +73,19 @@ static struct xe_device *uc_fw_to_xe(struct xe_uc_fw *uc_fw)
#define MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_) \
__MAKE_UC_FW_PATH_MAJOR(prefix_, "guc", major_)
#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(prefix_) \
__MAKE_HUC_FW_PATH(prefix_, "huc")
#define MAKE_HUC_FW_PATH_FULL_VER(prefix_, major_, minor_, patch_) \
__MAKE_UC_FW_PATH_FULL_VER(prefix_, "huc", major_, minor_, patch_)
/* All blobs need to be declared via MODULE_FIRMWARE() */
#define XE_UC_MODULE_FW(platform_, revid_, uc_) \
MODULE_FIRMWARE(uc_);
XE_GUC_FIRMWARE_DEFS(XE_UC_MODULE_FW, MAKE_GUC_FW_PATH)
XE_HUC_FIRMWARE_DEFS(XE_UC_MODULE_FW, MAKE_HUC_FW_PATH)
XE_HUC_FIRMWARE_DEFS(XE_UC_MODULE_FW, MAKE_HUC_FW_PATH, MAKE_HUC_FW_PATH_FULL_VER)
/* The below structs and macros are used to iterate across the list of blobs */
struct __packed uc_fw_blob {
@ -93,9 +101,12 @@ struct __packed uc_fw_blob {
UC_FW_BLOB(major_, minor_, \
MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_))
#define HUC_FW_BLOB(prefix_, major_, minor_, bld_num_) \
#define HUC_FW_BLOB(prefix_) \
UC_FW_BLOB(0, 0, MAKE_HUC_FW_PATH(prefix_))
#define HUC_FW_VERSION_BLOB(prefix_, major_, minor_, bld_num_) \
UC_FW_BLOB(major_, minor_, \
MAKE_HUC_FW_PATH(prefix_, major_, minor_, bld_num_))
MAKE_HUC_FW_PATH_FULL_VER(prefix_, major_, minor_, bld_num_))
struct __packed uc_fw_platform_requirement {
enum xe_platform p;
@ -122,7 +133,7 @@ uc_fw_auto_select(struct xe_device *xe, struct xe_uc_fw *uc_fw)
XE_GUC_FIRMWARE_DEFS(MAKE_FW_LIST, GUC_FW_BLOB)
};
static const struct uc_fw_platform_requirement blobs_huc[] = {
XE_HUC_FIRMWARE_DEFS(MAKE_FW_LIST, HUC_FW_BLOB)
XE_HUC_FIRMWARE_DEFS(MAKE_FW_LIST, HUC_FW_BLOB, HUC_FW_VERSION_BLOB)
};
static const struct fw_blobs_by_type blobs_all[XE_UC_FW_NUM_TYPES] = {
[XE_UC_FW_TYPE_GUC] = { blobs_guc, ARRAY_SIZE(blobs_guc) },
@ -299,15 +310,17 @@ int xe_uc_fw_init(struct xe_uc_fw *uc_fw)
uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_UC_MINOR,
css->sw_version);
if (uc_fw->major_ver_found != uc_fw->major_ver_wanted ||
uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) {
drm_notice(&xe->drm, "%s firmware %s: unexpected version: %u.%u != %u.%u\n",
xe_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 (!xe_uc_fw_is_overridden(uc_fw)) {
err = -ENOEXEC;
goto fail;
if (uc_fw->major_ver_wanted) {
if (uc_fw->major_ver_found != uc_fw->major_ver_wanted ||
uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) {
drm_notice(&xe->drm, "%s firmware %s: unexpected version: %u.%u != %u.%u\n",
xe_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 (!xe_uc_fw_is_overridden(uc_fw)) {
err = -ENOEXEC;
goto fail;
}
}
}