diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h index 494a51a5200f..cb222f202301 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h @@ -6,6 +6,7 @@ #ifndef _INTEL_GUC_CT_H_ #define _INTEL_GUC_CT_H_ +#include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/workqueue.h> @@ -27,12 +28,16 @@ struct intel_guc; * record (command transport buffer descriptor) and the actual buffer which * holds the commands. * + * @lock: protects access to the commands buffer and buffer descriptor * @desc: pointer to the buffer descriptor * @cmds: pointer to the commands buffer + * @size: size of the commands buffer */ struct intel_guc_ct_buffer { + spinlock_t lock; struct guc_ct_buffer_desc *desc; u32 *cmds; + u32 size; }; @@ -45,8 +50,13 @@ struct intel_guc_ct { struct i915_vma *vma; bool enabled; - /* buffers for sending(0) and receiving(1) commands */ - struct intel_guc_ct_buffer ctbs[2]; + /* buffers for sending and receiving commands */ + struct { + struct intel_guc_ct_buffer send; + struct intel_guc_ct_buffer recv; + } ctbs; + + struct tasklet_struct receive_tasklet; struct { u32 last_fence; /* last fence used to send request */ |