diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2023-12-18 19:53:41 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-22 00:31:29 +0300 |
| commit | a6581ebe76856bf23d1a7f3ee95828173b560a05 (patch) | |
| tree | a0c86a58cabe10f8aa0ecff863b4317fe711ac56 /drivers/gpu/drm/xe/xe_device.h | |
| parent | f15de1936f8d1bb5b4f7ee55da7fdba8c7540792 (diff) | |
| download | linux-a6581ebe76856bf23d1a7f3ee95828173b560a05.tar.xz | |
drm/xe/vf: Introduce Memory Based Interrupts Handler
The register based interrupts infrastructure does not scale
efficiently to allow delivering interrupts to a large number
of virtual machines. Memory based interrupt reporting provides
an efficient and scalable infrastructure.
Define handler to read and dispatch memory based interrupts.
We will use this handler in upcoming patch.
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231214185955.1791-8-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_device.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h index 3da83b233206..af8ac2e9e270 100644 --- a/drivers/gpu/drm/xe/xe_device.h +++ b/drivers/gpu/drm/xe/xe_device.h @@ -168,6 +168,11 @@ static inline bool xe_device_has_sriov(struct xe_device *xe) return xe->info.has_sriov; } +static inline bool xe_device_has_memirq(struct xe_device *xe) +{ + return GRAPHICS_VERx100(xe) >= 1250; +} + u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size); #endif |