diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pcode.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pcode.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_pcode.c b/drivers/gpu/drm/xe/xe_pcode.c index 9333ce776a6e..9189117fe825 100644 --- a/drivers/gpu/drm/xe/xe_pcode.c +++ b/drivers/gpu/drm/xe/xe_pcode.c @@ -7,6 +7,7 @@ #include <linux/delay.h> #include <linux/errno.h> +#include <linux/error-injection.h> #include <drm/drm_managed.h> @@ -108,6 +109,17 @@ int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 data, int timeout return err; } +int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0, u32 data1, int timeout) +{ + int err; + + mutex_lock(&tile->pcode.lock); + err = pcode_mailbox_rw(tile, mbox, &data0, &data1, timeout, false, false); + mutex_unlock(&tile->pcode.lock); + + return err; +} + int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1) { int err; @@ -323,3 +335,4 @@ int xe_pcode_probe_early(struct xe_device *xe) { return xe_pcode_ready(xe, false); } +ALLOW_ERROR_INJECTION(xe_pcode_probe_early, ERRNO); /* See xe_pci_probe */ |