Re: [Intel-gfx] [PATCH 16/53] drm/i915/xehpsdv: add initial XeHP SDV definitions

[Jani Nikula <jani.nikula@linux.intel.com>]

On Thu, 01 Jul 2021, Matt Roper <matthew.d.roper@intel.com> 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.
>
> 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          | 10 ++++++++++
>  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 +
>  4 files changed, 32 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index c02600850246..63bed18a2be7 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1406,6 +1406,7 @@ 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) \
> @@ -1564,6 +1565,15 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>  	(IS_ALDERLAKE_P(__i915) && \
>  	 IS_GT_STEP(__i915, since, until))
>  
> +#define XEHPSDV_REVID_A0		0x0
> +#define XEHPSDV_REVID_A1		0x1
> +#define XEHPSDV_REVID_A_LAST	XEHPSDV_REVID_A1
> +#define XEHPSDV_REVID_B0		0x4
> +#define XEHPSDV_REVID_C0		0x8
> +
> +#define IS_XEHPSDV_REVID(p, since, until) \
> +	(IS_XEHPSDV(p) && IS_REVID(p, since, until))

For new platforms we should be using the mechanisms in
intel_step.[ch]. As well as converting the old ones.


BR,
Jani.


> +
>  #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 88b279452b87..046309e95f43 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_ver_release = 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 e8ad14f002c1..7b37b68f4548 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 f824de632cfe..e8684199b0c9 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
>  };

-- 
Jani Nikula, Intel Open Source Graphics Center
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