ACK: [SRU][E][PATCH] drm/i915/cml: Add second PCH ID for CMP

[Stefan Bader]

On 17.10.19 14:19, Timo Aaltonen wrote:
> From: Matt Roper <matthew.d.roper at intel.com>
> 
> BugLink: http://bugs.launchpad.net/bugs/1848491
> 
> The CMP PCH ID we have in the driver is correct for the CML-U machines we have
> in our CI system, but the CML-S and CML-H CI machines appear to use a
> different PCH ID, leading our driver to detect no PCH for them.
> 
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> References: 729ae330a0f2e2 ("drm/i915/cml: Introduce Comet Lake PCH")
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111461
> Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
> Acked-by: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Link: https://patchwork.freedesktop.org/patch/msgid/20190916233251.387-1-matthew.d.roper@intel.com
> (backported from commit 8698ba53cd7173c32320ebbef4d389d41ebb5780)
> Signed-off-by: Timo Aaltonen <timo.aaltonen at canonical.com>
Acked-by: Stefan Bader <stefan.bader at canonical.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 1 +
>  drivers/gpu/drm/i915/i915_drv.h | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index bac1ee94f63f..f74b5d16cfe4 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -210,6 +210,7 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
>  		WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
>  		return PCH_CNP;
>  	case INTEL_PCH_CMP_DEVICE_ID_TYPE:
> +	case INTEL_PCH_CMP2_DEVICE_ID_TYPE:
>  		DRM_DEBUG_KMS("Found Comet Lake PCH (CMP)\n");
>  		WARN_ON(!IS_COFFEELAKE(dev_priv));
>  		/* CometPoint is CNP Compatible */
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 3184cc3abe60..1f464665eb90 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -2362,6 +2362,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>  #define INTEL_PCH_CNP_DEVICE_ID_TYPE		0xA300
>  #define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE		0x9D80
>  #define INTEL_PCH_CMP_DEVICE_ID_TYPE		0x0280
> +#define INTEL_PCH_CMP2_DEVICE_ID_TYPE		0x0680
>  #define INTEL_PCH_ICP_DEVICE_ID_TYPE		0x3480
>  #define INTEL_PCH_MCC_DEVICE_ID_TYPE		0x4B00
>  #define INTEL_PCH_P2X_DEVICE_ID_TYPE		0x7100
> 


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