Re: [Intel-gfx] [PATCH v2 15/50] drm/i915/xehpsdv: add initial XeHP SDV definitions

["Souza, Jose" <jose.souza@intel.com>]

On Tue, 2021-07-13 at 20:15 -0700, Matt Roper wrote:
> From: Lucas De Marchi <lucas.demarchi@intel.com>
> 
> XeHP SDV is a Intel® dGPU without display. This is just the definition
> of some basic platform macros, by large a copy of current state of
> Tigerlake which does not reflect the end state of this platform.
> 
> v2:
>  - Switch to intel_step infrastructure for stepping matches. (Jani)

Reviewed-by: José Roberto de Souza <jose.souza@intel.com>

> 
> Bspec: 44467, 48077
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
> Signed-off-by: Stuart Summers <stuart.summers@intel.com>
> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h          |  4 ++++
>  drivers/gpu/drm/i915/i915_pci.c          | 20 ++++++++++++++++++++
>  drivers/gpu/drm/i915/intel_device_info.c |  1 +
>  drivers/gpu/drm/i915/intel_device_info.h |  1 +
>  drivers/gpu/drm/i915/intel_step.c        | 12 +++++++++++-
>  drivers/gpu/drm/i915/intel_step.h        |  1 +
>  6 files changed, 38 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index effb555d14f5..24181aa36efb 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1453,6 +1453,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>  #define IS_DG1(dev_priv)        IS_PLATFORM(dev_priv, INTEL_DG1)
>  #define IS_ALDERLAKE_S(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_S)
>  #define IS_ALDERLAKE_P(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_P)
> +#define IS_XEHPSDV(dev_priv) IS_PLATFORM(dev_priv, INTEL_XEHPSDV)
>  #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
>  				    (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
>  #define IS_BDW_ULT(dev_priv) \
> @@ -1611,6 +1612,9 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>  	(IS_ALDERLAKE_P(__i915) && \
>  	 IS_GT_STEP(__i915, since, until))
>  
> +#define IS_XEHPSDV_GT_STEP(p, since, until) \
> +	(IS_XEHPSDV(p) && IS_GT_STEP(__i915, since, until))
> +
>  #define IS_LP(dev_priv)		(INTEL_INFO(dev_priv)->is_lp)
>  #define IS_GEN9_LP(dev_priv)	(GRAPHICS_VER(dev_priv) == 9 && IS_LP(dev_priv))
>  #define IS_GEN9_BC(dev_priv)	(GRAPHICS_VER(dev_priv) == 9 && !IS_LP(dev_priv))
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 65cbab1c1a15..07c57d8f3a9c 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -1020,6 +1020,26 @@ static const struct intel_device_info adl_p_info = {
>  	.ppgtt_size = 48, \
>  	.ppgtt_type = INTEL_PPGTT_FULL
>  
> +#define XE_HPM_FEATURES \
> +	.media_ver = 12, \
> +	.media_rel = 50
> +
> +__maybe_unused
> +static const struct intel_device_info xehpsdv_info = {
> +	XE_HP_FEATURES,
> +	XE_HPM_FEATURES,
> +	DGFX_FEATURES,
> +	PLATFORM(INTEL_XEHPSDV),
> +	.display = { },
> +	.pipe_mask = 0,
> +	.platform_engine_mask =
> +		BIT(RCS0) | BIT(BCS0) |
> +		BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) |
> +		BIT(VCS0) | BIT(VCS1) | BIT(VCS2) | BIT(VCS3) |
> +		BIT(VCS4) | BIT(VCS5) | BIT(VCS6) | BIT(VCS7),
> +	.require_force_probe = 1,
> +};
> +
>  #undef PLATFORM
>  
>  /*
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
> index d2a514d2551d..b750f9ded9d5 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -68,6 +68,7 @@ static const char * const platform_names[] = {
>  	PLATFORM_NAME(DG1),
>  	PLATFORM_NAME(ALDERLAKE_S),
>  	PLATFORM_NAME(ALDERLAKE_P),
> +	PLATFORM_NAME(XEHPSDV),
>  };
>  #undef PLATFORM_NAME
>  
> diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
> index 75c69cfb11f2..690a0d2812bb 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.h
> +++ b/drivers/gpu/drm/i915/intel_device_info.h
> @@ -88,6 +88,7 @@ enum intel_platform {
>  	INTEL_DG1,
>  	INTEL_ALDERLAKE_S,
>  	INTEL_ALDERLAKE_P,
> +	INTEL_XEHPSDV,
>  	INTEL_MAX_PLATFORMS
>  };
>  
> diff --git a/drivers/gpu/drm/i915/intel_step.c b/drivers/gpu/drm/i915/intel_step.c
> index ba9479a67521..a27a41caed70 100644
> --- a/drivers/gpu/drm/i915/intel_step.c
> +++ b/drivers/gpu/drm/i915/intel_step.c
> @@ -54,6 +54,13 @@ static const struct intel_step_info adlp_revid_step_tbl[] = {
>  	[0xC] = { .gt_step = STEP_C0, .display_step = STEP_D0 },
>  };
>  
> +static const struct intel_step_info xehpsdv_revid_step_tbl[] = {
> +	[0x0] = { .gt_step = STEP_A0 },
> +	[0x1] = { .gt_step = STEP_A1 },
> +	[0x4] = { .gt_step = STEP_B0 },
> +	[0x8] = { .gt_step = STEP_C0 },
> +};
> +
>  void intel_step_init(struct drm_i915_private *i915)
>  {
>  	const struct intel_step_info *revids = NULL;
> @@ -61,7 +68,10 @@ void intel_step_init(struct drm_i915_private *i915)
>  	int revid = INTEL_REVID(i915);
>  	struct intel_step_info step = {};
>  
> -	if (IS_ALDERLAKE_P(i915)) {
> +	if (IS_XEHPSDV(i915)) {
> +		revids = xehpsdv_revid_step_tbl;
> +		size = ARRAY_SIZE(xehpsdv_revid_step_tbl);
> +	} else if (IS_ALDERLAKE_P(i915)) {
>  		revids = adlp_revid_step_tbl;
>  		size = ARRAY_SIZE(adlp_revid_step_tbl);
>  	} else if (IS_ALDERLAKE_S(i915)) {
> diff --git a/drivers/gpu/drm/i915/intel_step.h b/drivers/gpu/drm/i915/intel_step.h
> index 958a8bb5d677..8efacef6ab31 100644
> --- a/drivers/gpu/drm/i915/intel_step.h
> +++ b/drivers/gpu/drm/i915/intel_step.h
> @@ -22,6 +22,7 @@ struct intel_step_info {
>  enum intel_step {
>  	STEP_NONE = 0,
>  	STEP_A0,
> +	STEP_A1,
>  	STEP_A2,
>  	STEP_B0,
>  	STEP_B1,

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