From: Gerd Hoffmann Date: Thu, 26 Nov 2015 11:03:51 +0000 (+0100) Subject: drm/i915: more virtual south bridge detection X-Git-Tag: v4.5-rc1~74^2~28^2~54 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=39bfcd5235e07e95ad3e70eab8e0b85db181de9e;p=linux.git drm/i915: more virtual south bridge detection Commit "30c964a drm/i915: Detect virtual south bridge" detects and handles the southbridge emulated by vmware esx. Add the ich9 south bridge emulated by 'qemu -M q35'. Signed-off-by: Gerd Hoffmann Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 649e20aaa3ff..90faa8e03fca 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -565,7 +565,8 @@ void intel_detect_pch(struct drm_device *dev) DRM_DEBUG_KMS("Found SunrisePoint LP PCH\n"); WARN_ON(!IS_SKYLAKE(dev) && !IS_KABYLAKE(dev)); - } else if (id == INTEL_PCH_P2X_DEVICE_ID_TYPE) { + } else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) || + (id == INTEL_PCH_QEMU_DEVICE_ID_TYPE)) { dev_priv->pch_type = intel_virt_detect_pch(dev); } else continue; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 3d8741eff7d3..439226d39437 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2609,6 +2609,7 @@ struct drm_i915_cmd_table { #define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100 #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00 #define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100 +#define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35 has 2918 */ #define INTEL_PCH_TYPE(dev) (__I915__(dev)->pch_type) #define HAS_PCH_SPT(dev) (INTEL_PCH_TYPE(dev) == PCH_SPT)