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path: root/drivers/gpu/drm/xe/xe_vram.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_vram.c')
-rw-r--r--drivers/gpu/drm/xe/xe_vram.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/drivers/gpu/drm/xe/xe_vram.c b/drivers/gpu/drm/xe/xe_vram.c
index 652df7a5f4f6..0e10da790cc5 100644
--- a/drivers/gpu/drm/xe/xe_vram.c
+++ b/drivers/gpu/drm/xe/xe_vram.c
@@ -13,13 +13,14 @@
#include "regs/xe_gt_regs.h"
#include "regs/xe_regs.h"
#include "xe_assert.h"
+#include "xe_bo.h"
#include "xe_device.h"
#include "xe_force_wake.h"
#include "xe_gt_mcr.h"
-#include "xe_gt_sriov_vf.h"
#include "xe_mmio.h"
#include "xe_module.h"
#include "xe_sriov.h"
+#include "xe_tile_sriov_vf.h"
#include "xe_ttm_vram_mgr.h"
#include "xe_vram.h"
#include "xe_vram_types.h"
@@ -182,12 +183,17 @@ static int determine_lmem_bar_size(struct xe_device *xe, struct xe_vram_region *
return 0;
}
-static inline u64 get_flat_ccs_offset(struct xe_gt *gt, u64 tile_size)
+static int get_flat_ccs_offset(struct xe_gt *gt, u64 tile_size, u64 *poffset)
{
struct xe_device *xe = gt_to_xe(gt);
+ unsigned int fw_ref;
u64 offset;
u32 reg;
+ fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+ if (!fw_ref)
+ return -ETIMEDOUT;
+
if (GRAPHICS_VER(xe) >= 20) {
u64 ccs_size = tile_size / 512;
u64 offset_hi, offset_lo;
@@ -217,7 +223,10 @@ static inline u64 get_flat_ccs_offset(struct xe_gt *gt, u64 tile_size)
offset = (u64)REG_FIELD_GET(XEHP_FLAT_CCS_PTR, reg) * SZ_64K;
}
- return offset;
+ xe_force_wake_put(gt_to_fw(gt), fw_ref);
+ *poffset = offset;
+
+ return 0;
}
/*
@@ -244,7 +253,6 @@ static int tile_vram_size(struct xe_tile *tile, u64 *vram_size,
{
struct xe_device *xe = tile_to_xe(tile);
struct xe_gt *gt = tile->primary_gt;
- unsigned int fw_ref;
u64 offset;
u32 reg;
@@ -255,32 +263,31 @@ static int tile_vram_size(struct xe_tile *tile, u64 *vram_size,
offset = 0;
for_each_tile(t, xe, id)
for_each_if(t->id < tile->id)
- offset += xe_gt_sriov_vf_lmem(t->primary_gt);
+ offset += xe_tile_sriov_vf_lmem(t);
- *tile_size = xe_gt_sriov_vf_lmem(gt);
+ *tile_size = xe_tile_sriov_vf_lmem(tile);
*vram_size = *tile_size;
*tile_offset = offset;
return 0;
}
- fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
- if (!fw_ref)
- return -ETIMEDOUT;
-
/* actual size */
if (unlikely(xe->info.platform == XE_DG1)) {
*tile_size = pci_resource_len(to_pci_dev(xe->drm.dev), LMEM_BAR);
*tile_offset = 0;
} else {
- reg = xe_gt_mcr_unicast_read_any(gt, XEHP_TILE_ADDR_RANGE(gt->info.id));
+ reg = xe_mmio_read32(&tile->mmio, SG_TILE_ADDR_RANGE(tile->id));
*tile_size = (u64)REG_FIELD_GET(GENMASK(14, 8), reg) * SZ_1G;
*tile_offset = (u64)REG_FIELD_GET(GENMASK(7, 1), reg) * SZ_1G;
}
/* minus device usage */
if (xe->info.has_flat_ccs) {
- offset = get_flat_ccs_offset(gt, *tile_size);
+ int ret = get_flat_ccs_offset(gt, *tile_size, &offset);
+
+ if (ret)
+ return ret;
} else {
offset = xe_mmio_read64_2x32(&tile->mmio, GSMBASE);
}
@@ -288,8 +295,6 @@ static int tile_vram_size(struct xe_tile *tile, u64 *vram_size,
/* remove the tile offset so we have just the available size */
*vram_size = offset - *tile_offset;
- xe_force_wake_put(gt_to_fw(gt), fw_ref);
-
return 0;
}
@@ -301,8 +306,11 @@ static void vram_fini(void *arg)
xe->mem.vram->mapping = NULL;
- for_each_tile(tile, xe, id)
+ for_each_tile(tile, xe, id) {
tile->mem.vram->mapping = NULL;
+ if (tile->mem.kernel_vram)
+ tile->mem.kernel_vram->mapping = NULL;
+ }
}
struct xe_vram_region *xe_vram_region_alloc(struct xe_device *xe, u8 id, u32 placement)