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| author | Michał Winiarski <michal.winiarski@intel.com> | 2023-12-05 02:32:59 +0100 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 11:45:11 -0500 |
| commit | 4f122766f9043c30b879b44f7dc2ca540b5422cd (patch) | |
| tree | b9792350f229d9cb1108452e99ed5e9fd4aa213d /drivers/gpu/drm/xe/xe_mmio.h | |
| parent | 99e4b1aa8dbe2e23c73229ac1bbd9dc3e6b30c80 (diff) | |
| download | linux-stable-4f122766f9043c30b879b44f7dc2ca540b5422cd.tar.gz linux-stable-4f122766f9043c30b879b44f7dc2ca540b5422cd.tar.bz2 linux-stable-4f122766f9043c30b879b44f7dc2ca540b5422cd.zip | |
drm/xe/device: Introduce xe_device_probe_early
SR-IOV VF doesn't have access to MMIO registers used to determine
graphics/media ID. It can however communicate with GuC.
Introduce xe_device_probe_early, which initializes enough HW to use
MMIO GuC communication.
This will allow both VF and PF/native driver to have unified probe
ordering.
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_mmio.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_mmio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_mmio.h b/drivers/gpu/drm/xe/xe_mmio.h index c054c27f6925..98de5c13c89b 100644 --- a/drivers/gpu/drm/xe/xe_mmio.h +++ b/drivers/gpu/drm/xe/xe_mmio.h @@ -21,6 +21,7 @@ struct xe_device; #define LMEM_BAR 2 int xe_mmio_init(struct xe_device *xe); +int xe_mmio_root_tile_init(struct xe_device *xe); void xe_mmio_probe_tiles(struct xe_device *xe); static inline u8 xe_mmio_read8(struct xe_gt *gt, struct xe_reg reg) |