From ecef814c994d7d00dfa7bef5aa87dd66e8574946 Mon Sep 17 00:00:00 2001 From: Chuanxiao Dong Date: Sat, 27 May 2017 17:44:19 +0800 Subject: [PATCH] drm/i915/gvt: Return -EIO if host GuC submission is enabled when loading GVT-g Git-commit: ecef814c994d7d00dfa7bef5aa87dd66e8574946 Patch-mainline: v4.13-rc1 References: FATE#322643 bsc#1055900 Currently GVT-g cannot work properly when host GuC submission is enabled, so make the driver loading failed in this case. V2: - use DRM_ERROR as it is a fatal message. (Chris) Suggested-by: Chris Wilson Signed-off-by: Chuanxiao Dong Cc: Joonas Lahtinen Cc: Chris Wilson Cc: Zhenyu Wang Reviewed-by: Chris Wilson Signed-off-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/1495878259-7733-2-git-send-email-chuanxiao.dong@intel.com Acked-by: Takashi Iwai --- drivers/gpu/drm/i915/intel_gvt.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -100,6 +100,11 @@ int intel_gvt_init(struct drm_i915_priva return -EIO; } + if (i915.enable_guc_submission) { + DRM_ERROR("i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n"); + return -EIO; + } + /* * We're not in host or fail to find a MPT module, disable GVT-g */