From: Rodrigo Vivi Date: Fri, 2 Jun 2017 20:06:39 +0000 (-0700) Subject: drm/i915/cnp: Introduce Cannonpoint PCH. X-Git-Tag: v5.15~6763^2~28^2~3322 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7b22b8c402c8ee26dd4dc1474887a2a91961e766;p=platform%2Fkernel%2Flinux-starfive.git drm/i915/cnp: Introduce Cannonpoint PCH. Most of south engine display that is in PCH is still the same as SPT and KBP, except for this key differences: - Backlight: Backlight programming changed in CNP PCH. - Panel Power: Sligh programming changed in CNP PCH. - GMBUS and GPIO: The pin mapping has changed in CNP PCH. All of these changes follow more the BXT style. v2: Update definition to use dev_priv isntead of dev (Tvrtko). Cc: Tvrtko Ursulin Signed-off-by: Rodrigo Vivi Reviewed-by: Anusha Srivatsa Link: http://patchwork.freedesktop.org/patch/msgid/1496434004-29812-1-git-send-email-rodrigo.vivi@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 2fdfaf1..9e4c13e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -216,6 +216,9 @@ static void intel_detect_pch(struct drm_i915_private *dev_priv) DRM_DEBUG_KMS("Found KabyPoint PCH\n"); WARN_ON(!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv)); + } else if (id == INTEL_PCH_CNP_DEVICE_ID_TYPE) { + dev_priv->pch_type = PCH_CNP; + DRM_DEBUG_KMS("Found CannonPoint PCH\n"); } else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) || (id == INTEL_PCH_P3X_DEVICE_ID_TYPE) || ((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) && diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a3b2674..47b8b3d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1150,6 +1150,7 @@ enum intel_pch { PCH_LPT, /* Lynxpoint PCH */ PCH_SPT, /* Sunrisepoint PCH */ PCH_KBP, /* Kabypoint PCH */ + PCH_CNP, /* Cannonpoint PCH */ PCH_NOP, }; @@ -2965,11 +2966,13 @@ intel_info(const struct drm_i915_private *dev_priv) #define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100 #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00 #define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA200 +#define INTEL_PCH_CNP_DEVICE_ID_TYPE 0xA300 #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 */ #define INTEL_PCH_TYPE(dev_priv) ((dev_priv)->pch_type) +#define HAS_PCH_CNP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_CNP) #define HAS_PCH_KBP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_KBP) #define HAS_PCH_SPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_SPT) #define HAS_PCH_LPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_LPT) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 7b7f55a..4cd9ee1 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2548,7 +2548,8 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) I915_WRITE(SDEIIR, iir); ret = IRQ_HANDLED; - if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv)) + if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv) || + HAS_PCH_CNP(dev_priv)) spt_irq_handler(dev_priv, iir); else cpt_irq_handler(dev_priv, iir); @@ -4289,7 +4290,8 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->disable_vblank = gen8_disable_vblank; if (IS_GEN9_LP(dev_priv)) dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; - else if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv)) + else if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv) || + HAS_PCH_CNP(dev_priv)) dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup; else dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup;