On Tue, Jan 28, 2020 at 05:51:52PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@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 <ch...@chris-wilson.co.uk>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
On the series:
Reviewed-by: Imre Deak <imre.d...@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 5a5846d892f4..d89d54f5593c 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 a8a08c63278e..d62b57ba0ced 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1578,6 +1578,8 @@ 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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