[PATCH 04/26] drm/i915: Add glk to intel_detect_preproduction_hw()

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Detect GLK pre-production steppings. Not 100% of A2 being pre-prod
since the spec is a bit of a mess but feels more or less correct.

Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Acked-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.c | 1 +
 drivers/gpu/drm/i915/i915_drv.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 4661c5f1f297..73d259d99554 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -438,6 +438,7 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv)
 	pre |= IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0);
 	pre |= IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST);
 	pre |= IS_KBL_REVID(dev_priv, 0, KBL_REVID_A0);
+	pre |= IS_GLK_REVID(dev_priv, 0, GLK_REVID_A2);
 
 	if (pre) {
 		DRM_ERROR("This is a pre-production stepping. "
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a71ff233cc55..9df900f9307f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1562,6 +1562,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 
 #define GLK_REVID_A0		0x0
 #define GLK_REVID_A1		0x1
+#define GLK_REVID_A2		0x2
+#define GLK_REVID_B0		0x3
 
 #define IS_GLK_REVID(dev_priv, since, until) \
 	(IS_GEMINILAKE(dev_priv) && IS_REVID(dev_priv, since, until))
-- 
2.24.1

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