From ce68f86c445133117a3474987a1fe29be3d6e8e4 Mon Sep 17 00:00:00 2001
From: Karol Wachowski <karol.wachowski@intel.com>
Date: Thu, 17 Oct 2024 16:58:07 +0200
Subject: [PATCH] accel/ivpu: Do not fail when more than 1 tile is fused
Allow TILE_FUSE register to disable more than 1 tile.
The driver should not prevent such configurations from being functional.
Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241017145817.121590-2-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_hw_btrs.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.c b/drivers/accel/ivpu/ivpu_hw_btrs.c
index 6d5f1cc711435..3212c99f36823 100644
--- a/drivers/accel/ivpu/ivpu_hw_btrs.c
+++ b/drivers/accel/ivpu/ivpu_hw_btrs.c
@@ -141,16 +141,10 @@ static int read_tile_config_fuse(struct ivpu_device *vdev, u32 *tile_fuse_config
}
config = REG_GET_FLD(VPU_HW_BTRS_LNL_TILE_FUSE, CONFIG, fuse);
- if (!tile_disable_check(config)) {
- ivpu_err(vdev, "Fuse: Invalid tile disable config (0x%x)\n", config);
- return -EIO;
- }
+ if (!tile_disable_check(config))
+ ivpu_warn(vdev, "More than 1 tile disabled, tile fuse config mask: 0x%x\n", config);
- if (config)
- ivpu_dbg(vdev, MISC, "Fuse: %d tiles enabled. Tile number %d disabled\n",
- BTRS_LNL_TILE_MAX_NUM - 1, ffs(config) - 1);
- else
- ivpu_dbg(vdev, MISC, "Fuse: All %d tiles enabled\n", BTRS_LNL_TILE_MAX_NUM);
+ ivpu_dbg(vdev, MISC, "Tile disable config mask: 0x%x\n", config);
*tile_fuse_config = config;
return 0;
--
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