diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2017-10-16 17:47:16 +0300 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2017-10-16 18:53:26 +0300 |
| commit | afb3484f925d5e88ac0d4685ffc06b8dc5838bbf (patch) | |
| tree | 565b095ae9fe1cb7ab03a19f1f68cf7363fa0e08 /drivers/gpu | |
| parent | cd5a917e35bc51ebc5fe10cf226ba124b94f2147 (diff) | |
| download | linux-afb3484f925d5e88ac0d4685ffc06b8dc5838bbf.tar.xz | |
drm/i915/uc: Check all firmwares against WOPCM size
Both GuC and HuC firmwares will be moved into WOPCM so
we can check ucode size early for both cases.
Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-8-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uc_fw.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/intel_uc_fw.c index 766b1cbdfbd7..40f5ce482792 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/intel_uc_fw.c @@ -85,6 +85,15 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, uc_fw->ucode_offset = uc_fw->header_offset + uc_fw->header_size; uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32); + /* Header and uCode will be loaded to WOPCM */ + size = uc_fw->header_size + uc_fw->ucode_size; + if (size > intel_guc_wopcm_size(dev_priv)) { + DRM_WARN("%s: Firmware is too large to fit in WOPCM\n", + intel_uc_fw_type_repr(uc_fw->type)); + err = -E2BIG; + goto fail; + } + /* now RSA */ if (css->key_size_dw != UOS_RSA_SCRATCH_MAX_COUNT) { DRM_NOTE("RSA key size is bad\n"); @@ -108,14 +117,6 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, */ switch (uc_fw->type) { case INTEL_UC_FW_TYPE_GUC: - /* Header and uCode will be loaded to WOPCM. Size of the two. */ - size = uc_fw->header_size + uc_fw->ucode_size; - - /* Top 32k of WOPCM is reserved (8K stack + 24k RC6 context). */ - if (size > intel_guc_wopcm_size(dev_priv)) { - DRM_ERROR("Firmware is too large to fit in WOPCM\n"); - goto fail; - } uc_fw->major_ver_found = css->guc.sw_version >> 16; uc_fw->minor_ver_found = css->guc.sw_version & 0xFFFF; break; |