[Intel-gfx] [PATCH 05/13] drm/i915: Disable preemption support on Icelake

Chris Wilson chris at chris-wilson.co.uk
Tue Jan 14 09:36:40 UTC 2020


Our pre-emption support on Icelake is broken on all kernels, so disable
until resolved.

Reported-by: Jason Ekstrand <jason at jlekstrand.net>
Closes: https://gitlab.freedesktop.org/drm/intel/issues/809
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Jon Bloomfield <jon.bloomfield at intel.com>
Cc: Jason Ekstrand <jason at jlekstrand.net>
---
 drivers/gpu/drm/i915/i915_pci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 83f01401b8b5..67f3b4dbac7b 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -782,6 +782,7 @@ static const struct intel_device_info icl_info = {
 	PLATFORM(INTEL_ICELAKE),
 	.engine_mask =
 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
+	.has_logical_ring_preemption = 0,
 };
 
 static const struct intel_device_info ehl_info = {
-- 
2.25.0.rc2



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