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path: root/drivers/gpu/drm/i915/intel_huc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_huc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_huc.c64
1 files changed, 19 insertions, 45 deletions
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
index 9ee819666a4c..f5eb18d0e2d1 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/intel_huc.c
@@ -52,6 +52,10 @@
#define KBL_HUC_FW_MINOR 00
#define KBL_BLD_NUM 1810
+#define GLK_HUC_FW_MAJOR 02
+#define GLK_HUC_FW_MINOR 00
+#define GLK_BLD_NUM 1748
+
#define HUC_FW_PATH(platform, major, minor, bld_num) \
"i915/" __stringify(platform) "_huc_ver" __stringify(major) "_" \
__stringify(minor) "_" __stringify(bld_num) ".bin"
@@ -68,6 +72,9 @@ MODULE_FIRMWARE(I915_BXT_HUC_UCODE);
KBL_HUC_FW_MINOR, KBL_BLD_NUM)
MODULE_FIRMWARE(I915_KBL_HUC_UCODE);
+#define I915_GLK_HUC_UCODE HUC_FW_PATH(glk, GLK_HUC_FW_MAJOR, \
+ GLK_HUC_FW_MINOR, GLK_BLD_NUM)
+
/**
* huc_ucode_xfer() - DMA's the firmware
* @dev_priv: the drm_i915_private device
@@ -99,11 +106,6 @@ static int huc_ucode_xfer(struct drm_i915_private *dev_priv)
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
- /* init WOPCM */
- I915_WRITE(GUC_WOPCM_SIZE, intel_guc_wopcm_size(dev_priv));
- I915_WRITE(DMA_GUC_WOPCM_OFFSET, GUC_WOPCM_OFFSET_VALUE |
- HUC_LOADING_AGENT_GUC);
-
/* Set the source address for the uCode */
offset = guc_ggtt_offset(vma) + huc_fw->header_offset;
I915_WRITE(DMA_ADDR_0_LOW, lower_32_bits(offset));
@@ -169,6 +171,10 @@ void intel_huc_select_fw(struct intel_huc *huc)
huc->fw.path = I915_KBL_HUC_UCODE;
huc->fw.major_ver_wanted = KBL_HUC_FW_MAJOR;
huc->fw.minor_ver_wanted = KBL_HUC_FW_MINOR;
+ } else if (IS_GEMINILAKE(dev_priv)) {
+ huc->fw.path = I915_GLK_HUC_UCODE;
+ huc->fw.major_ver_wanted = GLK_HUC_FW_MAJOR;
+ huc->fw.minor_ver_wanted = GLK_HUC_FW_MINOR;
} else {
DRM_ERROR("No HuC firmware known for platform with HuC!\n");
return;
@@ -186,68 +192,36 @@ void intel_huc_select_fw(struct intel_huc *huc)
* earlier call to intel_huc_init(), so here we need only check that
* is succeeded, and then transfer the image to the h/w.
*
- * Return: non-zero code on error
*/
-int intel_huc_init_hw(struct intel_huc *huc)
+void intel_huc_init_hw(struct intel_huc *huc)
{
struct drm_i915_private *dev_priv = huc_to_i915(huc);
int err;
- if (huc->fw.fetch_status == INTEL_UC_FIRMWARE_NONE)
- return 0;
-
DRM_DEBUG_DRIVER("%s fw status: fetch %s, load %s\n",
huc->fw.path,
intel_uc_fw_status_repr(huc->fw.fetch_status),
intel_uc_fw_status_repr(huc->fw.load_status));
- if (huc->fw.fetch_status == INTEL_UC_FIRMWARE_SUCCESS &&
- huc->fw.load_status == INTEL_UC_FIRMWARE_FAIL)
- return -ENOEXEC;
+ if (huc->fw.fetch_status != INTEL_UC_FIRMWARE_SUCCESS)
+ return;
huc->fw.load_status = INTEL_UC_FIRMWARE_PENDING;
- switch (huc->fw.fetch_status) {
- case INTEL_UC_FIRMWARE_FAIL:
- /* something went wrong :( */
- err = -EIO;
- goto fail;
-
- case INTEL_UC_FIRMWARE_NONE:
- case INTEL_UC_FIRMWARE_PENDING:
- default:
- /* "can't happen" */
- WARN_ONCE(1, "HuC fw %s invalid fetch_status %s [%d]\n",
- huc->fw.path,
- intel_uc_fw_status_repr(huc->fw.fetch_status),
- huc->fw.fetch_status);
- err = -ENXIO;
- goto fail;
-
- case INTEL_UC_FIRMWARE_SUCCESS:
- break;
- }
-
err = huc_ucode_xfer(dev_priv);
- if (err)
- goto fail;
- huc->fw.load_status = INTEL_UC_FIRMWARE_SUCCESS;
+ huc->fw.load_status = err ?
+ INTEL_UC_FIRMWARE_FAIL : INTEL_UC_FIRMWARE_SUCCESS;
DRM_DEBUG_DRIVER("%s fw status: fetch %s, load %s\n",
huc->fw.path,
intel_uc_fw_status_repr(huc->fw.fetch_status),
intel_uc_fw_status_repr(huc->fw.load_status));
- return 0;
-
-fail:
- if (huc->fw.load_status == INTEL_UC_FIRMWARE_PENDING)
- huc->fw.load_status = INTEL_UC_FIRMWARE_FAIL;
-
- DRM_ERROR("Failed to complete HuC uCode load with ret %d\n", err);
+ if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
+ DRM_ERROR("Failed to complete HuC uCode load with ret %d\n", err);
- return err;
+ return;
}
/**
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