Commit e7e7ea20 authored by Satheeshakrishna M's avatar Satheeshakrishna M Committed by Daniel Vetter
Browse files

drm/i915/skl: Sunrise Point PCH detection 



This patch implements detection of SPT and SPT-LP PCH devices.

v2: Added HAS_PCH_SPT macro

Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarSatheeshakrishna M <satheeshakrishna.m@intel.com>
Signed-off-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 770de83d

drivers/gpu/drm/i915/i915_drv.c

+10 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/i915/i915_drv.h

+4 −0
Original line number Diff line number Diff line
@@ -705,6 +705,7 @@ enum intel_pch { 
	PCH_IBX,	/* Ibexpeak PCH */

	PCH_CPT,	/* Cougarpoint PCH */

	PCH_LPT,	/* Lynxpoint PCH */

	PCH_SPT,        /* Sunrisepoint PCH */

	PCH_NOP,

};
@@ -2191,8 +2192,11 @@ 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)

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