[SRU][O][PATCH 1/1] accel/ivpu: Increase DMA address range

[Thibault Ferrante]

From: Karol Wachowski <karol.wachowski at intel.com>

BugLink: https://bugs.launchpad.net/bugs/2098972

Increase DMA address range to:
 * 128 GB on 37xx (due to MMU limitations)
 * 256 GB on other generations
Merge User and DMA ranges on 40xx and above as it is possible
to access whole 256 GBs from both FW and DMA.

Increase User range on 37xx from 255MB to 511MB
to allow loading very large models.

Do not set global_alias_pio_base/size on other generations than 37xx
as it's only used on 37xx anyway.

Signed-off-by: Karol Wachowski <karol.wachowski at intel.com>
Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski at intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241017145817.121590-11-jacek.lawrynowicz@linux.intel.com
(cherry picked from commit 83b6fa5844b53fe25417229e44c460e4f84da432)
Signed-off-by: Thibault Ferrante <thibault.ferrante at canonical.com>
---
 drivers/accel/ivpu/ivpu_fw.c          |  6 ++++--
 drivers/accel/ivpu/ivpu_hw.c          | 10 +++++-----
 drivers/accel/ivpu/ivpu_mmu_context.c |  4 ++--
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c
index ede6165e09d9..1e1c021b742f 100644
--- a/drivers/accel/ivpu/ivpu_fw.c
+++ b/drivers/accel/ivpu/ivpu_fw.c
@@ -567,8 +567,10 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct vpu_boot_params
 	boot_params->ipc_payload_area_start = ipc_mem_rx->vpu_addr + ivpu_bo_size(ipc_mem_rx) / 2;
 	boot_params->ipc_payload_area_size = ivpu_bo_size(ipc_mem_rx) / 2;
 
-	boot_params->global_aliased_pio_base = vdev->hw->ranges.user.start;
-	boot_params->global_aliased_pio_size = ivpu_hw_range_size(&vdev->hw->ranges.user);
+	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
+		boot_params->global_aliased_pio_base = vdev->hw->ranges.user.start;
+		boot_params->global_aliased_pio_size = ivpu_hw_range_size(&vdev->hw->ranges.user);
+	}
 
 	/* Allow configuration for L2C_PAGE_TABLE with boot param value */
 	boot_params->autoconfig = 1;
diff --git a/drivers/accel/ivpu/ivpu_hw.c b/drivers/accel/ivpu/ivpu_hw.c
index e69c0613513f..ac095fa00973 100644
--- a/drivers/accel/ivpu/ivpu_hw.c
+++ b/drivers/accel/ivpu/ivpu_hw.c
@@ -111,14 +111,14 @@ static void memory_ranges_init(struct ivpu_device *vdev)
 {
 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
 		ivpu_hw_range_init(&vdev->hw->ranges.global, 0x80000000, SZ_512M);
-		ivpu_hw_range_init(&vdev->hw->ranges.user,   0xc0000000, 255 * SZ_1M);
+		ivpu_hw_range_init(&vdev->hw->ranges.user,   0x88000000, 511 * SZ_1M);
 		ivpu_hw_range_init(&vdev->hw->ranges.shave, 0x180000000, SZ_2G);
-		ivpu_hw_range_init(&vdev->hw->ranges.dma,   0x200000000, SZ_8G);
+		ivpu_hw_range_init(&vdev->hw->ranges.dma,   0x200000000, SZ_128G);
 	} else {
 		ivpu_hw_range_init(&vdev->hw->ranges.global, 0x80000000, SZ_512M);
-		ivpu_hw_range_init(&vdev->hw->ranges.user,   0x80000000, SZ_256M);
-		ivpu_hw_range_init(&vdev->hw->ranges.shave,  0x80000000 + SZ_256M, SZ_2G - SZ_256M);
-		ivpu_hw_range_init(&vdev->hw->ranges.dma,   0x200000000, SZ_8G);
+		ivpu_hw_range_init(&vdev->hw->ranges.shave,  0x80000000, SZ_2G);
+		ivpu_hw_range_init(&vdev->hw->ranges.user,  0x100000000, SZ_256G);
+		vdev->hw->ranges.dma = vdev->hw->ranges.user;
 	}
 }
 
diff --git a/drivers/accel/ivpu/ivpu_mmu_context.c b/drivers/accel/ivpu/ivpu_mmu_context.c
index bbe652a7019d..91b4b5b80fdb 100644
--- a/drivers/accel/ivpu/ivpu_mmu_context.c
+++ b/drivers/accel/ivpu/ivpu_mmu_context.c
@@ -548,8 +548,8 @@ ivpu_mmu_context_init(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, u3
 		start = vdev->hw->ranges.global.start;
 		end = vdev->hw->ranges.shave.end;
 	} else {
-		start = vdev->hw->ranges.user.start;
-		end = vdev->hw->ranges.dma.end;
+		start = min_t(u64, vdev->hw->ranges.user.start, vdev->hw->ranges.shave.start);
+		end = max_t(u64, vdev->hw->ranges.user.end, vdev->hw->ranges.dma.end);
 	}
 
 	drm_mm_init(&ctx->mm, start, end - start);
-- 
2.43.0