drm/i915/guc: Start protecting access to CTB descriptors

Browse source

We want to stop using guc.send_mutex while sending CTB messages
so we have to start protecting access to CTB send descriptor.

For completeness protect also CTB receive descriptor.

Add spinlock to struct intel_guc_ct_buffer and start using it.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603051630.2635-15-matthew.brost@intel.com

...

This commit is contained in:

Michal Wajdeczko 2021-06-02 22:16:24 -07:00 • committed by Daniel Vetter

parent df12d1c301

commit 7c567bbf6f

2 changed files with 14 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

14

drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c

View file

2

drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h

View file