From: Ville Syrjälä ville.syrjala@linux.intel.com
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@chris-wilson.co.uk Acked-by: Chris Wilson chris@chris-wilson.co.uk Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- 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))