diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_irq.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_irq.c b/drivers/gpu/drm/xe/xe_irq.c index a91e782e06eb..4cc5f7086b4c 100644 --- a/drivers/gpu/drm/xe/xe_irq.c +++ b/drivers/gpu/drm/xe/xe_irq.c @@ -511,6 +511,13 @@ static void dg1_irq_reset(struct xe_tile *tile) mask_and_disable(tile, PCU_IRQ_OFFSET); } +static void dg1_irq_reset_mstr(struct xe_tile *tile) +{ + struct xe_gt *mmio = tile->primary_gt; + + xe_mmio_write32(mmio, GFX_MSTR_IRQ, ~0); +} + static void xe_irq_reset(struct xe_device *xe) { struct xe_tile *tile; @@ -525,6 +532,16 @@ static void xe_irq_reset(struct xe_device *xe) tile = xe_device_get_root_tile(xe); mask_and_disable(tile, GU_MISC_IRQ_OFFSET); + + /* + * The tile's top-level status register should be the last one + * to be reset to avoid possible bit re-latching from lower + * level interrupts. + */ + if (GRAPHICS_VERx100(xe) >= 1210) { + for_each_tile(tile, xe, id) + dg1_irq_reset_mstr(tile); + } } static void xe_irq_postinstall(struct xe_device *xe) |