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drm/i915/huc: Move firmware selection to init_early

Browse Source 
Doing HuC firmware path selection from sanitize_options function
is not perfect, while there is no problem with doing so during
early init stage as we already have all needed data.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171206135316.32556-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2017-12-06 13:53:10 +00:00 committed by Chris Wilson
parent 0d7e76beaa
commit 2fe2d4e386
4 changed files with 42 additions and 27 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -3234,6 +3234,9 @@ intel_info(const struct drm_i915_private *dev_priv)
#define HAS_GUC_CT(dev_priv) ((dev_priv)->info.has_guc_ct)
#define HAS_GUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
#define HAS_GUC_SCHED(dev_priv) (HAS_GUC(dev_priv))
/* For now, anything with a GuC has also HuC */
#define HAS_HUC(dev_priv) (HAS_GUC(dev_priv))
#define HAS_HUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
#define HAS_RESOURCE_STREAMER(dev_priv) ((dev_priv)->info.has_resource_streamer)

60
drivers/gpu/drm/i915/intel_huc.c
View File

@ -77,42 +77,56 @@ 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)
/**
* intel_huc_select_fw() - selects HuC firmware for loading
* @huc: intel_huc struct
*/
void intel_huc_select_fw(struct intel_huc *huc)
static void huc_fw_select(struct intel_uc_fw *huc_fw)
{
struct intel_huc *huc = container_of(huc_fw, struct intel_huc, fw);
struct drm_i915_private *dev_priv = huc_to_i915(huc);
intel_uc_fw_init(&huc->fw, INTEL_UC_FW_TYPE_HUC);
GEM_BUG_ON(huc_fw->type != INTEL_UC_FW_TYPE_HUC);
if (!HAS_HUC(dev_priv))
return;
if (i915_modparams.huc_firmware_path) {
huc->fw.path = i915_modparams.huc_firmware_path;
huc->fw.major_ver_wanted = 0;
huc->fw.minor_ver_wanted = 0;
huc_fw->path = i915_modparams.huc_firmware_path;
huc_fw->major_ver_wanted = 0;
huc_fw->minor_ver_wanted = 0;
} else if (IS_SKYLAKE(dev_priv)) {
huc->fw.path = I915_SKL_HUC_UCODE;
huc->fw.major_ver_wanted = SKL_HUC_FW_MAJOR;
huc->fw.minor_ver_wanted = SKL_HUC_FW_MINOR;
huc_fw->path = I915_SKL_HUC_UCODE;
huc_fw->major_ver_wanted = SKL_HUC_FW_MAJOR;
huc_fw->minor_ver_wanted = SKL_HUC_FW_MINOR;
} else if (IS_BROXTON(dev_priv)) {
huc->fw.path = I915_BXT_HUC_UCODE;
huc->fw.major_ver_wanted = BXT_HUC_FW_MAJOR;
huc->fw.minor_ver_wanted = BXT_HUC_FW_MINOR;
huc_fw->path = I915_BXT_HUC_UCODE;
huc_fw->major_ver_wanted = BXT_HUC_FW_MAJOR;
huc_fw->minor_ver_wanted = BXT_HUC_FW_MINOR;
} else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) {
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;
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;
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;
DRM_WARN("%s: No firmware known for this platform!\n",
intel_uc_fw_type_repr(huc_fw->type));
}
}
/**
* intel_huc_init_early() - initializes HuC struct
* @huc: intel_huc struct
*
* On platforms with HuC selects firmware for uploading
*/
void intel_huc_init_early(struct intel_huc *huc)
{
struct intel_uc_fw *huc_fw = &huc->fw;
intel_uc_fw_init(huc_fw, INTEL_UC_FW_TYPE_HUC);
huc_fw_select(huc_fw);
}
/**
* huc_ucode_xfer() - DMA's the firmware
* @dev_priv: the drm_i915_private device

2
drivers/gpu/drm/i915/intel_huc.h
View File

@ -34,7 +34,7 @@ struct intel_huc {
/* HuC-specific additions */
};
void intel_huc_select_fw(struct intel_huc *huc);
void intel_huc_init_early(struct intel_huc *huc);
void intel_huc_init_hw(struct intel_huc *huc);
void intel_huc_auth(struct intel_huc *huc);

4
drivers/gpu/drm/i915/intel_uc.c
View File

@ -65,9 +65,6 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv)
/* Verify firmware version */
if (i915_modparams.enable_guc_loading) {
if (HAS_HUC_UCODE(dev_priv))
intel_huc_select_fw(&dev_priv->huc);
if (intel_guc_fw_select(&dev_priv->guc))
i915_modparams.enable_guc_loading = 0;
}
@ -84,6 +81,7 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv)
void intel_uc_init_early(struct drm_i915_private *dev_priv)
{
intel_guc_init_early(&dev_priv->guc);
intel_huc_init_early(&dev_priv->huc);
}
void intel_uc_init_fw(struct drm_i915_private *dev_priv)