diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc_fw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uc_fw.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/intel_uc_fw.c index b9cb6fea9332..eca741a857a5 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/intel_uc_fw.c @@ -22,6 +22,7 @@ * */ +#include <linux/bitfield.h> #include <linux/firmware.h> #include <drm/drm_print.h> @@ -119,21 +120,20 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, goto fail; } - /* - * The GuC firmware image has the version number embedded at a - * well-known offset within the firmware blob; note that major / minor - * version are TWO bytes each (i.e. u16), although all pointers and - * offsets are defined in terms of bytes (u8). - */ + /* Get version numbers from the CSS header */ switch (uc_fw->type) { case INTEL_UC_FW_TYPE_GUC: - uc_fw->major_ver_found = css->guc.sw_version >> 16; - uc_fw->minor_ver_found = css->guc.sw_version & 0xFFFF; + uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MAJOR, + css->sw_version); + uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MINOR, + css->sw_version); break; case INTEL_UC_FW_TYPE_HUC: - uc_fw->major_ver_found = css->huc.sw_version >> 16; - uc_fw->minor_ver_found = css->huc.sw_version & 0xFFFF; + uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MAJOR, + css->sw_version); + uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MINOR, + css->sw_version); break; default: |