> -----Original Message-----
> From: Intel-gfx <intel-gfx-boun...@lists.freedesktop.org> On Behalf Of Matt
> Roper
> Sent: Friday, May 7, 2021 7:28 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Nikula, Jani <jani.nik...@intel.com>
> Subject: [Intel-gfx] [PATCH v3 44/48] drm/i915/adl_p: Add IPs stepping
> mapping
>
> From: José Roberto de Souza <jose.so...@intel.com>
>
> This will allow us to better implement workarounds.
>
> Cc: Matt Roper <matthew.d.ro...@intel.com>
> Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> Signed-off-by: Matt Roper <matthew.d.ro...@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.sriva...@intel.com>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 8 ++++++++
> drivers/gpu/drm/i915/intel_step.c | 12 +++++++++++-
> 2 files changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h
> b/drivers/gpu/drm/i915/i915_drv.h index 3fe514c5de32..b556eccc9ad2
> 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1556,6 +1556,14 @@ IS_SUBPLATFORM(const struct drm_i915_private
> *i915,
> (IS_ALDERLAKE_S(__i915) && \
> IS_GT_STEP(__i915, since, until))
>
> +#define IS_ADLP_DISPLAY_STEP(__i915, since, until) \
> + (IS_ALDERLAKE_P(__i915) && \
> + IS_DISPLAY_STEP(__i915, since, until))
> +
> +#define IS_ADLP_GT_STEP(__i915, since, until) \
> + (IS_ALDERLAKE_P(__i915) && \
> + IS_GT_STEP(__i915, since, until))
> +
> #define IS_LP(dev_priv) (INTEL_INFO(dev_priv)->is_lp)
> #define IS_GEN9_LP(dev_priv) (IS_GEN(dev_priv, 9) && IS_LP(dev_priv))
> #define IS_GEN9_BC(dev_priv) (IS_GEN(dev_priv, 9) && !IS_LP(dev_priv))
> diff --git a/drivers/gpu/drm/i915/intel_step.c
> b/drivers/gpu/drm/i915/intel_step.c
> index 4d71547a5b83..ba9479a67521 100644
> --- a/drivers/gpu/drm/i915/intel_step.c
> +++ b/drivers/gpu/drm/i915/intel_step.c
> @@ -47,6 +47,13 @@ static const struct intel_step_info
> adls_revid_step_tbl[] = {
> [0xC] = { .gt_step = STEP_D0, .display_step = STEP_C0 }, };
>
> +static const struct intel_step_info adlp_revid_step_tbl[] = {
> + [0x0] = { .gt_step = STEP_A0, .display_step = STEP_A0 },
> + [0x4] = { .gt_step = STEP_B0, .display_step = STEP_B0 },
> + [0x8] = { .gt_step = STEP_C0, .display_step = STEP_C0 },
> + [0xC] = { .gt_step = STEP_C0, .display_step = STEP_D0 }, };
> +
> void intel_step_init(struct drm_i915_private *i915) {
> const struct intel_step_info *revids = NULL; @@ -54,7 +61,10 @@
> void intel_step_init(struct drm_i915_private *i915)
> int revid = INTEL_REVID(i915);
> struct intel_step_info step = {};
>
> - if (IS_ALDERLAKE_S(i915)) {
> + if (IS_ALDERLAKE_P(i915)) {
> + revids = adlp_revid_step_tbl;
> + size = ARRAY_SIZE(adlp_revid_step_tbl);
> + } else if (IS_ALDERLAKE_S(i915)) {
> revids = adls_revid_step_tbl;
> size = ARRAY_SIZE(adls_revid_step_tbl);
> } else if (IS_TGL_U(i915) || IS_TGL_Y(i915)) {
> --
> 2.25.4
>
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