When not using GuC submission, the ring buffer size for GVT context is 512KB which is the max size. When switching to GuC submission, the ring buffer size is required to be less than 16KB. So use the GVT context default ring buffer size if GuC submission is enabled. Signed-off-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_gem_context.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index c73bf02..26f0b65 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -431,7 +431,8 @@ i915_gem_context_create_gvt(struct drm_device *dev) i915_gem_context_set_closed(ctx); /* not user accessible */ i915_gem_context_clear_bannable(ctx); i915_gem_context_set_force_single_submission(ctx); - ctx->ring_size = 512 * PAGE_SIZE; /* Max ring buffer size */ + if (!i915.enable_guc_submission) + ctx->ring_size = 512 * PAGE_SIZE; /* Max ring buffer size */ GEM_BUG_ON(i915_gem_context_is_kernel(ctx)); out: -- 2.7.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx