[PATCH 1/2] drm/xe/pcode: Introduce xe_pcode_read_timeout() API
Karthik Poosa <[email protected]>
| Newsgroups | org.freedesktop.lists.intel-xe |
|---|---|
| Message-ID | <[email protected]> |
Add the xe_pcode_read_timeout() helper to allow callers to specify custom timeout values for pcode read operations. Signed-off-by: Karthik Poosa <[email protected]> --- drivers/gpu/drm/xe/xe_pcode.c | 11 +++++++++++ drivers/gpu/drm/xe/xe_pcode.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_pcode.c b/drivers/gpu/drm/xe/xe_pcode.c index ccc3bdeed6bb..7386113e60b3 100644 --- a/drivers/gpu/drm/xe/xe_pcode.c +++ b/drivers/gpu/drm/xe/xe_pcode.c @@ -147,6 +147,17 @@ int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1) return err; } +int xe_pcode_read_timeout(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1, u32 timeout_ms) +{ + int err; + + mutex_lock(&tile->pcode.lock); + err = pcode_mailbox_rw(tile, mbox, val, val1, timeout_ms, true, false); + mutex_unlock(&tile->pcode.lock); + + return err; +} + static int pcode_try_request(struct xe_tile *tile, u32 mbox, u32 request, u32 reply_mask, u32 reply, u32 *status, bool atomic, int timeout_us, bool locked) diff --git a/drivers/gpu/drm/xe/xe_pcode.h b/drivers/gpu/drm/xe/xe_pcode.h index 8fb3e4ba13a6..c9647c5f305e 100644 --- a/drivers/gpu/drm/xe/xe_pcode.h +++ b/drivers/gpu/drm/xe/xe_pcode.h @@ -24,6 +24,7 @@ int xe_pcode_ready(struct xe_device *xe, bool locked); int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq, u32 max_gt_freq); int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1); +int xe_pcode_read_timeout(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1, u32 timeout_ms); int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val, int timeout_ms); int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0, -- 2.25.1