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Commit cff765fb authored by Animesh Manna's avatar Animesh Manna Committed by Daniel Vetter
Browse files

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



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: default avatarAnimesh Manna <animesh.manna@intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 18c237c0

drivers/gpu/drm/i915/intel_csr.c

+11 −0
Original line number Diff line number Diff line
@@ -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;

}