diff options
Diffstat (limited to 'include/uapi/drm/i915_drm.h')
| -rw-r--r-- | include/uapi/drm/i915_drm.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 2ee338860b..d4d86e566e 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -806,6 +806,12 @@ typedef struct drm_i915_irq_wait { */ #define I915_PARAM_PXP_STATUS 58 +/* + * Query if kernel allows marking a context to send a Freq hint to SLPC. This + * will enable use of the strategies allowed by the SLPC algorithm. + */ +#define I915_PARAM_HAS_CONTEXT_FREQ_HINT 59 + /* Must be kept compact -- no holes and well documented */ /** @@ -2148,6 +2154,15 @@ struct drm_i915_gem_context_param { * -EIO: The firmware did not succeed in creating the protected context. */ #define I915_CONTEXT_PARAM_PROTECTED_CONTENT 0xd + +/* + * I915_CONTEXT_PARAM_LOW_LATENCY: + * + * Mark this context as a low latency workload which requires aggressive GT + * frequency scaling. Use I915_PARAM_HAS_CONTEXT_FREQ_HINT to check if the kernel + * supports this per context flag. + */ +#define I915_CONTEXT_PARAM_LOW_LATENCY 0xe /* Must be kept compact -- no holes and well documented */ /** @value: Context parameter value to be set or queried */ @@ -2623,19 +2638,29 @@ struct drm_i915_reg_read { * */ +/* + * struct drm_i915_reset_stats - Return global reset and other context stats + * + * Driver keeps few stats for each contexts and also global reset count. + * This struct can be used to query those stats. + */ struct drm_i915_reset_stats { + /** @ctx_id: ID of the requested context */ __u32 ctx_id; + + /** @flags: MBZ */ __u32 flags; - /* All resets since boot/module reload, for all contexts */ + /** @reset_count: All resets since boot/module reload, for all contexts */ __u32 reset_count; - /* Number of batches lost when active in GPU, for this context */ + /** @batch_active: Number of batches lost when active in GPU, for this context */ __u32 batch_active; - /* Number of batches lost pending for execution, for this context */ + /** @batch_pending: Number of batches lost pending for execution, for this context */ __u32 batch_pending; + /** @pad: MBZ */ __u32 pad; }; |