[PATCH 1/2] drm/xe: Add a couple of pcode helpers
Sujaritha Sundaresan
sujaritha.sundaresan at intel.com
Fri Aug 18 08:58:48 UTC 2023
Some pcode commands take additional sub-commands and parameters. Add a
couple of helpers to help formatting these commands to improve code
readability.
Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>
---
drivers/gpu/drm/xe/xe_pcode.c | 28 ++++++++++++++++++++++++++++
drivers/gpu/drm/xe/xe_pcode.h | 3 +++
2 files changed, 31 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_pcode.c b/drivers/gpu/drm/xe/xe_pcode.c
index 7f1bf2297f51..e45169f47500 100644
--- a/drivers/gpu/drm/xe/xe_pcode.c
+++ b/drivers/gpu/drm/xe/xe_pcode.c
@@ -104,6 +104,34 @@ int xe_pcode_read(struct xe_gt *gt, u32 mbox, u32 *val, u32 *val1)
return err;
}
+int xe_pcode_read_p(struct xe_gt *gt, u32 mbcmd, u32 p1, u32 p2, u32 *val)
+{
+ u32 mbox;
+ int err;
+
+ mbox = REG_FIELD_PREP(PCODE_MB_COMMAND, mbcmd)
+ | REG_FIELD_PREP(PCODE_MB_PARAM1, p1)
+ | REG_FIELD_PREP(PCODE_MB_PARAM2, p2);
+
+ err = xe_pcode_read(gt, mbox, val, NULL);
+
+ return err;
+}
+
+int xe_pcode_write_p(struct xe_gt *gt, u32 mbcmd, u32 p1, u32 p2, u32 val)
+{
+ u32 mbox;
+ int err;
+
+ mbox = REG_FIELD_PREP(PCODE_MB_COMMAND, mbcmd)
+ | REG_FIELD_PREP(PCODE_MB_PARAM1, p1)
+ | REG_FIELD_PREP(PCODE_MB_PARAM2, p2);
+
+ err = xe_pcode_write(gt, mbox, val);
+
+ return err;
+}
+
static int xe_pcode_try_request(struct xe_gt *gt, u32 mbox,
u32 request, u32 reply_mask, u32 reply,
u32 *status, bool atomic, int timeout_us)
diff --git a/drivers/gpu/drm/xe/xe_pcode.h b/drivers/gpu/drm/xe/xe_pcode.h
index 3b4aa8c1a3ba..8d4103afd7e0 100644
--- a/drivers/gpu/drm/xe/xe_pcode.h
+++ b/drivers/gpu/drm/xe/xe_pcode.h
@@ -19,6 +19,9 @@ int xe_pcode_write_timeout(struct xe_gt *gt, u32 mbox, u32 val,
#define xe_pcode_write(gt, mbox, val) \
xe_pcode_write_timeout(gt, mbox, val, 1)
+int xe_pcode_read_p(struct xe_gt *gt, u32 mbcmd, u32 p1, u32 p2, u32 *val);
+int xe_pcode_write_p(struct xe_gt *gt, u32 mbcmd, u32 p1, u32 p2, u32 val);
+
int xe_pcode_request(struct xe_gt *gt, u32 mbox, u32 request,
u32 reply_mask, u32 reply, int timeout_ms);
--
2.25.1
More information about the Intel-gfx-trybot
mailing list