From cd20c70bb05e31a57bc5ccd10f8f188bb3508de3 Mon Sep 17 00:00:00 2001 From: Daniele Ceraolo Spurio Date: Tue, 29 Oct 2019 09:58:52 +0000 Subject: [PATCH] drm/i915: set num_fence_regs to 0 if there is no aperture We can't fence anything without aperture. Signed-off-by: Daniele Ceraolo Spurio Signed-off-by: Stuart Summers Signed-off-by: Matthew Auld Reviewed-by: Chris Wilson Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20191029095856.25431-3-matthew.auld@intel.com --- drivers/gpu/drm/i915/i915_gem_fence_reg.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c index 321189e1b0f2..71efccfde122 100644 --- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c +++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c @@ -846,8 +846,10 @@ void i915_ggtt_init_fences(struct i915_ggtt *ggtt) detect_bit_6_swizzle(ggtt); - if (INTEL_GEN(i915) >= 7 && - !(IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))) + if (!i915_ggtt_has_aperture(ggtt)) + num_fences = 0; + else if (INTEL_GEN(i915) >= 7 && + !(IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))) num_fences = 32; else if (INTEL_GEN(i915) >= 4 || IS_I945G(i915) || IS_I945GM(i915) || -- 2.11.0