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authorDave Airlie <airlied@redhat.com>2022-11-04 17:20:12 +1000
committerDave Airlie <airlied@redhat.com>2022-11-04 17:33:34 +1000
commit60ba8c5bd94e17ab4b024f5cecf8b48e2cf36412 (patch)
tree7e03a3b457f942c7eb3b865f535bcbe55bb72d11 /drivers/gpu/drm/i915/Kconfig.profile
parent441f0ec0ae1ef7350fa546e03c12cc93082e11c6 (diff)
parent8f956e9a2c9bdb22ac50c8b7656e2ea29c2e656c (diff)
Merge tag 'drm-intel-gt-next-2022-11-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Driver Changes: - Fix for #7306: [Arc A380] white flickering when using arc as a secondary gpu (Matt A) - Add Wa_18017747507 for DG2 (Wayne) - Avoid spurious WARN on DG1 due to incorrect cache_dirty flag (Niranjana, Matt A) - Corrections to CS timestamp support for Gen5 and earlier (Ville) - Fix a build error used with clang compiler on hwmon (GG) - Improvements to LMEM handling with RPM (Anshuman, Matt A) - Cleanups in dmabuf code (Mike) - Selftest improvements (Matt A) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y2N11wu175p6qeEN@jlahtine-mobl.ger.corp.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/Kconfig.profile')
-rw-r--r--drivers/gpu/drm/i915/Kconfig.profile26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig.profile b/drivers/gpu/drm/i915/Kconfig.profile
index 39328567c200..7cc38d25ee5c 100644
--- a/drivers/gpu/drm/i915/Kconfig.profile
+++ b/drivers/gpu/drm/i915/Kconfig.profile
@@ -57,10 +57,28 @@ config DRM_I915_PREEMPT_TIMEOUT
default 640 # milliseconds
help
How long to wait (in milliseconds) for a preemption event to occur
- when submitting a new context via execlists. If the current context
- does not hit an arbitration point and yield to HW before the timer
- expires, the HW will be reset to allow the more important context
- to execute.
+ when submitting a new context. If the current context does not hit
+ an arbitration point and yield to HW before the timer expires, the
+ HW will be reset to allow the more important context to execute.
+
+ This is adjustable via
+ /sys/class/drm/card?/engine/*/preempt_timeout_ms
+
+ May be 0 to disable the timeout.
+
+ The compiled in default may get overridden at driver probe time on
+ certain platforms and certain engines which will be reflected in the
+ sysfs control.
+
+config DRM_I915_PREEMPT_TIMEOUT_COMPUTE
+ int "Preempt timeout for compute engines (ms, jiffy granularity)"
+ default 7500 # milliseconds
+ help
+ How long to wait (in milliseconds) for a preemption event to occur
+ when submitting a new context to a compute capable engine. If the
+ current context does not hit an arbitration point and yield to HW
+ before the timer expires, the HW will be reset to allow the more
+ important context to execute.
This is adjustable via
/sys/class/drm/card?/engine/*/preempt_timeout_ms