>-----Original Message----- >From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of >Rodrigo Vivi >Sent: Thursday, April 6, 2017 12:15 PM >To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx >Cc: Pandiyan, Dhinakaran <dhinakaran.pandiyan@xxxxxxxxx>; Vivi, Rodrigo ><rodrigo.vivi@xxxxxxxxx> >Subject: [PATCH 02/67] drm/i915/cnp: Add PCI ID for Cannonpoint LP >PCH > >From: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx> > >The first two bytes of PCI ID for CNP_LP PCH are the same as that of SPT_LP. We >should really be looking at the first 9 bits instead of the first 8 to identify >platforms, although this seems to have not caused any problems on earlier >platforms. Introduce a 9 bit extended mask for SPT and CNP while not touching >the code for any of the other platforms. > >v2: (Rodrigo) Make platform agnostic and fix commit message. > >Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx> >Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Reviewed-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx> > drivers/gpu/drm/i915/i915_drv.c | 7 ++++++- drivers/gpu/drm/i915/i915_drv.h | >4 ++++ > 2 files changed, 10 insertions(+), 1 deletion(-) > >diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c >index 05e3f3f..836db0d 100644 >--- a/drivers/gpu/drm/i915/i915_drv.c >+++ b/drivers/gpu/drm/i915/i915_drv.c >@@ -170,6 +170,8 @@ static void intel_detect_pch(struct drm_i915_private >*dev_priv) > while ((pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, pch))) { > if (pch->vendor == PCI_VENDOR_ID_INTEL) { > unsigned short id = pch->device & >INTEL_PCH_DEVICE_ID_MASK; >+ unsigned short id_ext = pch->device & >INTEL_PCH_DEVICE_ID_MASK_EXT; >+ > dev_priv->pch_id = id; > > if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { @@ -206,7 >+208,7 @@ static void intel_detect_pch(struct drm_i915_private *dev_priv) > DRM_DEBUG_KMS("Found SunrisePoint >PCH\n"); > WARN_ON(!IS_SKYLAKE(dev_priv) && > !IS_KABYLAKE(dev_priv)); >- } else if (id == INTEL_PCH_SPT_LP_DEVICE_ID_TYPE) { >+ } else if (id_ext == 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_priv) && >@@ -219,6 +221,9 @@ static void intel_detect_pch(struct drm_i915_private >*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_ext == >INTEL_PCH_CNP_LP_DEVICE_ID_TYPE) { >+ dev_priv->pch_type = PCH_CNP; >+ DRM_DEBUG_KMS("Found CannonPoint LP >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 d798976..2685f12 100644 >--- a/drivers/gpu/drm/i915/i915_drv.h >+++ b/drivers/gpu/drm/i915/i915_drv.h >@@ -2941,6 +2941,7 @@ static inline struct scatterlist *__sg_next(struct >scatterlist *sg) > #define HAS_POOLED_EU(dev_priv) ((dev_priv)->info.has_pooled_eu) > > #define INTEL_PCH_DEVICE_ID_MASK 0xff00 >+#define INTEL_PCH_DEVICE_ID_MASK_EXT 0xff80 > #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00 > #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00 > #define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00 >@@ -2950,12 +2951,15 @@ static inline struct scatterlist *__sg_next(struct >scatterlist *sg) > #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_CNP_LP_DEVICE_ID_TYPE 0x9D80 > #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_CNP_LP(dev_priv) \ >+ ((dev_priv)->pch_id == INTEL_PCH_CNP_LP_DEVICE_ID_TYPE) > #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) >-- >1.9.1 > >_______________________________________________ >Intel-gfx mailing list >Intel-gfx@xxxxxxxxxxxxxxxxxxxxx >https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
