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.c | |
| 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.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index d9ae77fe7382..86867d42d532 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -29,12 +29,14 @@ #include "xe_gt.h" #include "xe_gt_mcr.h" #include "xe_irq.h" +#include "xe_memirq.h" #include "xe_mmio.h" #include "xe_module.h" #include "xe_pat.h" #include "xe_pcode.h" #include "xe_pm.h" #include "xe_query.h" +#include "xe_sriov.h" #include "xe_tile.h" #include "xe_ttm_stolen_mgr.h" #include "xe_ttm_sys_mgr.h" @@ -456,6 +458,11 @@ int xe_device_probe(struct xe_device *xe) err = xe_ggtt_init_early(tile->mem.ggtt); if (err) return err; + if (IS_SRIOV_VF(xe)) { + err = xe_memirq_init(&tile->sriov.vf.memirq); + if (err) + return err; + } } err = drmm_add_action_or_reset(&xe->drm, xe_driver_flr_fini, xe); |