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drm/i915/bxt: Stepping info added for bxt.

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Added stepping info in intel_csr.c which is required to extract
specific firmware from packaged dmc firmware.

Stepping info is aligned with current bspec info.

Cc: Vetter, Daniel <daniel.vetter@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Animesh Manna 2015-08-04 22:02:43 +05:30 committed by Daniel Vetter
parent 18c237c0f9
commit cff765fb13
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/i915/intel_csr.c
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@ -183,11 +183,19 @@ static const struct stepping_info skl_stepping_info[] = {
{'G', '0'}, {'H', '0'}, {'I', '0'}
};
static struct stepping_info bxt_stepping_info[] = {
{'A', '0'}, {'A', '1'}, {'A', '2'},
{'B', '0'}, {'B', '1'}, {'B', '2'}
};
static char intel_get_stepping(struct drm_device *dev)
{
if (IS_SKYLAKE(dev) && (dev->pdev->revision <
ARRAY_SIZE(skl_stepping_info)))
return skl_stepping_info[dev->pdev->revision].stepping;
else if (IS_BROXTON(dev) && (dev->pdev->revision <
ARRAY_SIZE(bxt_stepping_info)))
return bxt_stepping_info[dev->pdev->revision].stepping;
else
return -ENODATA;
}
@ -197,6 +205,9 @@ static char intel_get_substepping(struct drm_device *dev)
if (IS_SKYLAKE(dev) && (dev->pdev->revision <
ARRAY_SIZE(skl_stepping_info)))
return skl_stepping_info[dev->pdev->revision].substepping;
else if (IS_BROXTON(dev) && (dev->pdev->revision <
ARRAY_SIZE(bxt_stepping_info)))
return bxt_stepping_info[dev->pdev->revision].substepping;
else
return -ENODATA;
}