This avoids some bad register writes and generally feels more correct than unconditionally trying to redirect interrupts and such.
References: https://bugs.freedesktop.org/show_bug.cgi?id=91777 Signed-off-by: Jesse Barnes <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 41263cd..fc3a5fd 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4691,19 +4691,22 @@ i915_gem_init_hw(struct drm_device *dev) } /* We can't enable contexts until all firmware is loaded */ - ret = intel_guc_ucode_load(dev); - if (ret) { - /* - * If we got an error and GuC submission is enabled, map - * the error to -EIO so the GPU will be declared wedged. - * OTOH, if we didn't intend to use the GuC anyway, just - * discard the error and carry on. - */ - DRM_ERROR("Failed to initialize GuC, error %d%s\n", ret, - i915.enable_guc_submission ? "" : " (ignored)"); - ret = i915.enable_guc_submission ? -EIO : 0; - if (ret) - goto out; + if (HAS_GUC_UCODE(dev)) { + ret = intel_guc_ucode_load(dev); + if (ret) { + /* + * If we got an error and GuC submission is enabled, map + * the error to -EIO so the GPU will be declared wedged. + * OTOH, if we didn't intend to use the GuC anyway, just + * discard the error and carry on. + */ + DRM_ERROR("Failed to initialize GuC, error %d%s\n", ret, + i915.enable_guc_submission ? "" : + " (ignored)"); + ret = i915.enable_guc_submission ? -EIO : 0; + if (ret) + goto out; + } } /* Now it is safe to go back round and do everything else: */ -- 1.9.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
