On Wed, Sep 17, 2014 at 03:18:21PM -0700, Rodrigo Vivi wrote:
> Where can I find these pch device id definitions?
You'll have to trust Satheesh on that, it's not something we have
documented in the GPU specs.
--
Damien
> On Thu, Sep 4, 2014 at 4:26 AM, Damien Lespiau <damien.lespiau@xxxxxxxxx>
> wrote:
>
> From: Satheeshakrishna M <satheeshakrishna.m@xxxxxxxxx>
>
> This patch implements detection of SPT and SPT-LP PCH devices.
>
> v2: Added HAS_PCH_SPT macro
>
> Signed-off-by: Satheeshakrishna M <satheeshakrishna.m@xxxxxxxxx>
> Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
> ---
> 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@xxxxxxxxxxxxxxxxxxxxx
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>
> --
> Rodrigo Vivi
> Blog: http://blog.vivi.eng.br
>
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