[PATCH v3] drm/xe/hwmon: Fix WRITE_I1 param from u32 to u16

[Karthik Poosa]

WRITE_I1 sub-command of the POWER_SETUP pcode command accepts a u16
parameter instead of u32. This change prevents potential illegal
sub-command errors.

v2: Mask uval instead of changing the prototype. (Badal)

v3: Rephrase commit message. (Badal)

Signed-off-by: Karthik Poosa <karthik.poosa at intel.com>
Fixes: 92d44a422d0d ("drm/xe/hwmon: Expose card reactive critical power")
---
 drivers/gpu/drm/xe/xe_hwmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_hwmon.c b/drivers/gpu/drm/xe/xe_hwmon.c
index 832ea81faeee..1faeca70900e 100644
--- a/drivers/gpu/drm/xe/xe_hwmon.c
+++ b/drivers/gpu/drm/xe/xe_hwmon.c
@@ -450,7 +450,7 @@ static int xe_hwmon_pcode_write_i1(struct xe_gt *gt, u32 uval)
 {
 	return xe_pcode_write(gt, PCODE_MBOX(PCODE_POWER_SETUP,
 			      POWER_SETUP_SUBCOMMAND_WRITE_I1, 0),
-			      uval);
+			      (uval & POWER_SETUP_I1_DATA_MASK));
 }
 
 static int xe_hwmon_power_curr_crit_read(struct xe_hwmon *hwmon, int channel,
-- 
2.25.1