[Intel-gfx] [PATCH 33/89] drm/i915/skl: Sunrise Point PCH detection

Rodrigo Vivi rodrigo.vivi at gmail.com
Thu Sep 18 00:18:21 CEST 2014


Where can I find these pch device id definitions?

On Thu, Sep 4, 2014 at 4:26 AM, Damien Lespiau <damien.lespiau at intel.com>
wrote:

> From: Satheeshakrishna M <satheeshakrishna.m at intel.com>
>
> This patch implements detection of SPT and SPT-LP PCH devices.
>
> v2: Added HAS_PCH_SPT macro
>
> Signed-off-by: Satheeshakrishna M <satheeshakrishna.m at intel.com>
> Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 10 ++++++++++
>  drivers/gpu/drm/i915/i915_drv.h |  4 ++++
>  2 files changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c
> b/drivers/gpu/drm/i915/i915_drv.c
> index 3d7f823..c6a8a80 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -475,6 +475,16 @@ void intel_detect_pch(struct drm_device *dev)
>                                 DRM_DEBUG_KMS("Found LynxPoint LP PCH\n");
>                                 WARN_ON(!IS_HASWELL(dev));
>                                 WARN_ON(!IS_ULT(dev));
> +                       } else if (id == INTEL_PCH_SPT_DEVICE_ID_TYPE) {
> +                               dev_priv->pch_type = PCH_SPT;
> +                               DRM_DEBUG_KMS("Found SunrisePoint PCH\n");
> +                               WARN_ON(!IS_SKYLAKE(dev));
> +                               WARN_ON(IS_ULT(dev));
> +                       } else if (id == INTEL_PCH_SPT_LP_DEVICE_ID_TYPE) {
> +                               dev_priv->pch_type = PCH_SPT;
> +                               DRM_DEBUG_KMS("Found SunrisePoint LP
> PCH\n");
> +                               WARN_ON(!IS_SKYLAKE(dev));
> +                               WARN_ON(!IS_ULT(dev));
>                         } else
>                                 continue;
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h
> b/drivers/gpu/drm/i915/i915_drv.h
> index cf4fc86..be82888 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -699,6 +699,7 @@ enum intel_pch {
>         PCH_IBX,        /* Ibexpeak PCH */
>         PCH_CPT,        /* Cougarpoint PCH */
>         PCH_LPT,        /* Lynxpoint PCH */
> +       PCH_SPT,        /* Sunrisepoint PCH */
>         PCH_NOP,
>  };
>
> @@ -2184,8 +2185,11 @@ struct drm_i915_cmd_table {
>  #define INTEL_PCH_PPT_DEVICE_ID_TYPE           0x1e00
>  #define INTEL_PCH_LPT_DEVICE_ID_TYPE           0x8c00
>  #define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE                0x9c00
> +#define INTEL_PCH_SPT_DEVICE_ID_TYPE           0xA100
> +#define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE                0x9D00
>
>  #define INTEL_PCH_TYPE(dev) (to_i915(dev)->pch_type)
> +#define HAS_PCH_SPT(dev) (INTEL_PCH_TYPE(dev) == PCH_SPT)
>  #define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
>  #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
>  #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
> --
> 1.8.3.1
>
> _______________________________________________
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> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>



-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br
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