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path: root/drivers/gpu/drm/xe/xe_lmtt.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_lmtt.c')
-rw-r--r--drivers/gpu/drm/xe/xe_lmtt.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_lmtt.c b/drivers/gpu/drm/xe/xe_lmtt.c
index 4dc1de482eee..3059ea6525bc 100644
--- a/drivers/gpu/drm/xe/xe_lmtt.c
+++ b/drivers/gpu/drm/xe/xe_lmtt.c
@@ -8,15 +8,18 @@
#include <drm/drm_managed.h>
#include "regs/xe_gt_regs.h"
+#include "regs/xe_mert_regs.h"
#include "xe_assert.h"
#include "xe_bo.h"
#include "xe_tlb_inval.h"
#include "xe_lmtt.h"
#include "xe_map.h"
+#include "xe_mert.h"
#include "xe_mmio.h"
#include "xe_res_cursor.h"
#include "xe_sriov.h"
+#include "xe_tile.h"
#include "xe_tile_sriov_printk.h"
/**
@@ -196,16 +199,22 @@ static void lmtt_setup_dir_ptr(struct xe_lmtt *lmtt)
struct xe_device *xe = tile_to_xe(tile);
dma_addr_t offset = xe_bo_main_addr(lmtt->pd->bo, XE_PAGE_SIZE);
struct xe_gt *gt;
+ u32 config;
u8 id;
lmtt_debug(lmtt, "DIR offset %pad\n", &offset);
lmtt_assert(lmtt, xe_bo_is_vram(lmtt->pd->bo));
lmtt_assert(lmtt, IS_ALIGNED(offset, SZ_64K));
+ config = LMEM_EN | REG_FIELD_PREP(LMTT_DIR_PTR, offset / SZ_64K);
+
for_each_gt_on_tile(gt, tile, id)
xe_mmio_write32(&gt->mmio,
GRAPHICS_VER(xe) >= 20 ? XE2_LMEM_CFG : LMEM_CFG,
- LMEM_EN | REG_FIELD_PREP(LMTT_DIR_PTR, offset / SZ_64K));
+ config);
+
+ if (xe_device_has_mert(xe) && xe_tile_is_root(tile))
+ xe_mmio_write32(&tile->mmio, MERT_LMEM_CFG, config);
}
/**
@@ -262,19 +271,29 @@ static int lmtt_invalidate_hw(struct xe_lmtt *lmtt)
* @lmtt: the &xe_lmtt to invalidate
*
* Send requests to all GuCs on this tile to invalidate all TLBs.
+ * If the platform has a standalone MERT, also invalidate MERT's TLB.
*
* This function should be called only when running as a PF driver.
*/
void xe_lmtt_invalidate_hw(struct xe_lmtt *lmtt)
{
+ struct xe_tile *tile = lmtt_to_tile(lmtt);
+ struct xe_device *xe = lmtt_to_xe(lmtt);
int err;
- lmtt_assert(lmtt, IS_SRIOV_PF(lmtt_to_xe(lmtt)));
+ lmtt_assert(lmtt, IS_SRIOV_PF(xe));
err = lmtt_invalidate_hw(lmtt);
if (err)
- xe_tile_sriov_err(lmtt_to_tile(lmtt), "LMTT invalidation failed (%pe)",
+ xe_tile_sriov_err(tile, "LMTT invalidation failed (%pe)",
ERR_PTR(err));
+
+ if (xe_device_has_mert(xe) && xe_tile_is_root(tile)) {
+ err = xe_mert_invalidate_lmtt(tile);
+ if (err)
+ xe_tile_sriov_err(tile, "MERT LMTT invalidation failed (%pe)",
+ ERR_PTR(err));
+ }
}
static void lmtt_write_pte(struct xe_lmtt *lmtt, struct xe_lmtt_pt *pt,