summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorMichal Wajdeczko <michal.wajdeczko@intel.com>2026-01-11 22:38:47 +0100
committerMichal Wajdeczko <michal.wajdeczko@intel.com>2026-01-12 14:38:41 +0100
commitff4eca1f46f3c2c485055e2c31432ab1ec5dbb96 (patch)
treeb1d65b5a09c40aa645654e42b3307822f99632bd /drivers/gpu
parenta92c68eb1e19de9ea8de6c7d3bcfff6c3fcb3c10 (diff)
drm/xe/mert: Always refer to MERT using xe_device
There is only one MERT instance and while it is located on the root tile, it is safer to refer to it using xe_device rather than xe_tile. This will also allow to align signature with other MERT function. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Lukasz Laguna <lukasz.laguna@intel.com> Reviewed-by: Lukasz Laguna <lukasz.laguna@intel.com> Link: https://patch.msgid.link/20260111213847.27869-1-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/xe/xe_lmtt.c2
-rw-r--r--drivers/gpu/drm/xe/xe_mert.c9
-rw-r--r--drivers/gpu/drm/xe/xe_mert.h3
3 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/xe/xe_lmtt.c b/drivers/gpu/drm/xe/xe_lmtt.c
index 3059ea6525bc..2077e1ef8b43 100644
--- a/drivers/gpu/drm/xe/xe_lmtt.c
+++ b/drivers/gpu/drm/xe/xe_lmtt.c
@@ -289,7 +289,7 @@ void xe_lmtt_invalidate_hw(struct xe_lmtt *lmtt)
ERR_PTR(err));
if (xe_device_has_mert(xe) && xe_tile_is_root(tile)) {
- err = xe_mert_invalidate_lmtt(tile);
+ err = xe_mert_invalidate_lmtt(xe);
if (err)
xe_tile_sriov_err(tile, "MERT LMTT invalidation failed (%pe)",
ERR_PTR(err));
diff --git a/drivers/gpu/drm/xe/xe_mert.c b/drivers/gpu/drm/xe/xe_mert.c
index f7689e922953..598b039dfe25 100644
--- a/drivers/gpu/drm/xe/xe_mert.c
+++ b/drivers/gpu/drm/xe/xe_mert.c
@@ -12,22 +12,21 @@
#include "xe_tile.h"
/**
- * xe_mert_invalidate_lmtt - Invalidate MERT LMTT
- * @tile: the &xe_tile
+ * xe_mert_invalidate_lmtt() - Invalidate MERT LMTT
+ * @xe: the &xe_device with MERT
*
* Trigger invalidation of the MERT LMTT and wait for completion.
*
* Return: 0 on success or -ETIMEDOUT in case of a timeout.
*/
-int xe_mert_invalidate_lmtt(struct xe_tile *tile)
+int xe_mert_invalidate_lmtt(struct xe_device *xe)
{
- struct xe_device *xe = tile_to_xe(tile);
+ struct xe_tile *tile = xe_device_get_root_tile(xe);
struct xe_mert *mert = &tile->mert;
const long timeout = HZ / 4;
unsigned long flags;
xe_assert(xe, xe_device_has_mert(xe));
- xe_assert(xe, xe_tile_is_root(tile));
spin_lock_irqsave(&mert->lock, flags);
if (!mert->tlb_inv_triggered) {
diff --git a/drivers/gpu/drm/xe/xe_mert.h b/drivers/gpu/drm/xe/xe_mert.h
index 0e27f9fa24bb..44daeca094bd 100644
--- a/drivers/gpu/drm/xe/xe_mert.h
+++ b/drivers/gpu/drm/xe/xe_mert.h
@@ -11,7 +11,6 @@
#include <linux/types.h>
struct xe_device;
-struct xe_tile;
/**
* struct xe_mert - MERT related data
@@ -26,7 +25,7 @@ struct xe_mert {
};
#ifdef CONFIG_PCI_IOV
-int xe_mert_invalidate_lmtt(struct xe_tile *tile);
+int xe_mert_invalidate_lmtt(struct xe_device *xe);
void xe_mert_irq_handler(struct xe_device *xe, u32 master_ctl);
#else
static inline void xe_mert_irq_handler(struct xe_device *xe, u32 master_ctl) { }