[Intel-gfx] [PATCH 05/28] drm/i915/tgl: Introduce Tiger Lake PCH

[Gupta, Anshuman]

Looks good to me, there in one minor comment.

On 6/25/2019 11:24 PM, Lucas De Marchi wrote:
> From: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
> 
> Add the enum additions to TGP.
> 
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: David Weinehall <david.weinehall at intel.com>
> Cc: James Ausmus <james.ausmus at intel.com>
> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>   drivers/gpu/drm/i915/i915_drv.c | 4 ++++
>   drivers/gpu/drm/i915/i915_drv.h | 3 +++
>   2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 96b7bbc58155..4c26c7f662ad 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -224,6 +224,10 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
>   		DRM_DEBUG_KMS("Found Mule Creek Canyon PCH\n");
>   		WARN_ON(!IS_ELKHARTLAKE(dev_priv));
>   		return PCH_MCC;
> +	case INTEL_PCH_TGP_DEVICE_ID_TYPE:
> +		DRM_DEBUG_KMS("Found Tiger Lake LP PCH\n");
> +		WARN_ON(!IS_TIGERLAKE(dev_priv));
> +		return PCH_TGP;
>   	default:
>   		return PCH_NONE;
>   	}
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 8d0106b89f24..a77c63a0d48a 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -536,6 +536,7 @@ enum intel_pch {
>   	PCH_CNP,        /* Cannon/Comet Lake PCH */
>   	PCH_ICP,	/* Ice Lake PCH */
>   	PCH_MCC,        /* Mule Creek Canyon PCH */
> +	PCH_TGP,	/* Tiger Lake PCH */
>   };
>   
>   #define QUIRK_LVDS_SSC_DISABLE (1<<1)
> @@ -2325,6 +2326,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>   #define INTEL_PCH_ICP_DEVICE_ID_TYPE		0x3480
>   #define INTEL_PCH_MCC_DEVICE_ID_TYPE		0x4B00
>   #define INTEL_PCH_MCC2_DEVICE_ID_TYPE		0x3880
> +#define INTEL_PCH_TGP_DEVICE_ID_TYPE		0xA080
>   #define INTEL_PCH_P2X_DEVICE_ID_TYPE		0x7100
>   #define INTEL_PCH_P3X_DEVICE_ID_TYPE		0x7000
>   #define INTEL_PCH_QEMU_DEVICE_ID_TYPE		0x2900 /* qemu q35 has 2918 */
> @@ -2332,6 +2334,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>   #define INTEL_PCH_TYPE(dev_priv) ((dev_priv)->pch_type)
>   #define INTEL_PCH_ID(dev_priv) ((dev_priv)->pch_id)
>   #define HAS_PCH_MCC(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_MCC)
> +#define HAS_PCH_TGP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_TGP)This macro could be defined before HAS_PCH_MCC to follow the order in 
which intel_pch enum are defined.
>   #define HAS_PCH_ICP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_ICP)
>   #define HAS_PCH_CNP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_CNP)
>   #define HAS_PCH_SPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_SPT)
>