On Tue, Mar 05, 2019 at 01:46:56PM -0800, Anusha wrote:
> From: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
>
> Comet Lake PCH is based off of Cannon Point(CNP).
> Add PCI ID for Comet Lake PCH.
>
> v2: Code cleanup (DK)
>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 4 ++++
> drivers/gpu/drm/i915/i915_drv.h | 3 ++-
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 1b2f5a6f8c25..e787c999b2c6 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -188,6 +188,10 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
> DRM_DEBUG_KMS("Found Cannon Lake LP PCH (CNP-LP)\n");
> WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
> return PCH_CNP;
> + case INTEL_PCH_CMP_DEVICE_ID_TYPE:
> + DRM_DEBUG_KMS("Found Comet Lake LP PCH (CMP)\n");
> + WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
Please remove CNL from this list...
also please add a comment here before the return
/* CM has same south display engine from CNP */
> + return PCH_CNP;
> case INTEL_PCH_ICP_DEVICE_ID_TYPE:
> DRM_DEBUG_KMS("Found Ice Lake PCH\n");
> WARN_ON(!IS_ICELAKE(dev_priv));
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 453af7438e67..55298e19e740 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -530,7 +530,7 @@ enum intel_pch {
> PCH_LPT, /* Lynxpoint/Wildcatpoint PCH */
> PCH_SPT, /* Sunrisepoint PCH */
> PCH_KBP, /* Kaby Lake PCH */
> - PCH_CNP, /* Cannon Lake PCH */
> + PCH_CNP, /* Cannon/Comet Lake PCH */
> PCH_ICP, /* Ice Lake PCH */
> PCH_NOP, /* PCH without south display */
> };
> @@ -2552,6 +2552,7 @@ static inline unsigned int i915_sg_segment_size(void)
> #define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA280
> #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_ICP_DEVICE_ID_TYPE 0x3480
> #define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
> #define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000
> --
> 2.21.0
>
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