Re: [Intel-gfx] [PATCH v2 06/12] drm/i915/glk: Use revid->stepping tables

["Srivatsa, Anusha" <anusha.srivatsa@intel.com>]

> -----Original Message-----
> From: Roper, Matthew D <matthew.d.roper@intel.com>
> Sent: Friday, July 9, 2021 8:37 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Srivatsa, Anusha <anusha.srivatsa@intel.com>; Roper, Matthew D
> <matthew.d.roper@intel.com>
> Subject: [PATCH v2 06/12] drm/i915/glk: Use revid->stepping tables
> 
> Switch GLK to use a revid->stepping table as we're trying to do on all
> platforms going forward.  Pre-production and placeholder revisions are
> omitted.
> 
> Although nothing in the code is using the data from this table at the moment,
> we expect some upcoming DMC patches to start utilizing it.
> 
> Bspec: 19131
> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
> Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
> ---

Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>

>  drivers/gpu/drm/i915/i915_drv.h   | 8 --------
>  drivers/gpu/drm/i915/intel_step.c | 7 +++++++
>  2 files changed, 7 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h
> b/drivers/gpu/drm/i915/i915_drv.h index afb159f2a658..dac9ed2dfca5
> 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1522,14 +1522,6 @@ IS_SUBPLATFORM(const struct drm_i915_private
> *i915,  #define IS_KBL_DISPLAY_STEP(dev_priv, since, until) \
>  	(IS_KABYLAKE(dev_priv) && IS_DISPLAY_STEP(dev_priv, since,
> until))
> 
> -#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))
> -
>  #define CNL_REVID_A0		0x0
>  #define CNL_REVID_B0		0x1
>  #define CNL_REVID_C0		0x2
> diff --git a/drivers/gpu/drm/i915/intel_step.c
> b/drivers/gpu/drm/i915/intel_step.c
> index 41e3904ae6e8..7f8fe5e4c039 100644
> --- a/drivers/gpu/drm/i915/intel_step.c
> +++ b/drivers/gpu/drm/i915/intel_step.c
> @@ -49,6 +49,10 @@ static const struct intel_step_info bxt_revids[] = {
>  	[0xD] = { COMMON_STEPPING(E0) },
>  };
> 
> +static const struct intel_step_info glk_revids[] = {
> +	[3] = { COMMON_STEPPING(B0) },
> +};
> +
>  static const struct intel_step_info tgl_uy_revids[] = {
>  	[0] = { .gt_step = STEP_A0, .display_step = STEP_A0 },
>  	[1] = { .gt_step = STEP_B0, .display_step = STEP_C0 }, @@ -96,6
> +100,9 @@ void intel_step_init(struct drm_i915_private *i915)
>  	} else if (IS_TIGERLAKE(i915)) {
>  		revids = tgl_revids;
>  		size = ARRAY_SIZE(tgl_revids);
> +	} else if (IS_GEMINILAKE(i915)) {
> +		revids = glk_revids;
> +		size = ARRAY_SIZE(glk_revids);
>  	} else if (IS_BROXTON(i915)) {
>  		revids = bxt_revids;
>  		size = ARRAY_SIZE(bxt_revids);
> --
> 2.25.4

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