[PATCH v2 6/8] accel/ivpu: Remove support for 1 tile SKUs
Stanislaw Gruszka
stanislaw.gruszka at linux.intel.com
Thu Mar 23 12:55:02 UTC 2023
The support for single tile SKUs was dropped from MTL.
Note that we can still boot the VPU with 1-tile work point
config - this is independent from number of tiles present
in the VPU.
Co-developed-by: Andrzej Kacprowski <andrzej.kacprowski at linux.intel.com>
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski at linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>
---
drivers/accel/ivpu/ivpu_hw_mtl.c | 59 ++++++++++----------------------
1 file changed, 18 insertions(+), 41 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_hw_mtl.c b/drivers/accel/ivpu/ivpu_hw_mtl.c
index 133ba33d2866..98c8a4aa25f0 100644
--- a/drivers/accel/ivpu/ivpu_hw_mtl.c
+++ b/drivers/accel/ivpu/ivpu_hw_mtl.c
@@ -12,20 +12,20 @@
#include "ivpu_mmu.h"
#include "ivpu_pm.h"
-#define TILE_FUSE_ENABLE_BOTH 0x0
-#define TILE_FUSE_ENABLE_UPPER 0x1
-#define TILE_FUSE_ENABLE_LOWER 0x2
-
-#define TILE_SKU_BOTH_MTL 0x3630
-#define TILE_SKU_LOWER_MTL 0x3631
-#define TILE_SKU_UPPER_MTL 0x3632
+#define TILE_FUSE_ENABLE_BOTH 0x0
+#define TILE_SKU_BOTH_MTL 0x3630
/* Work point configuration values */
-#define WP_CONFIG_1_TILE_5_3_RATIO 0x0101
-#define WP_CONFIG_1_TILE_4_3_RATIO 0x0102
-#define WP_CONFIG_2_TILE_5_3_RATIO 0x0201
-#define WP_CONFIG_2_TILE_4_3_RATIO 0x0202
-#define WP_CONFIG_0_TILE_PLL_OFF 0x0000
+#define CONFIG_1_TILE 0x01
+#define CONFIG_2_TILE 0x02
+#define PLL_RATIO_5_3 0x01
+#define PLL_RATIO_4_3 0x02
+#define WP_CONFIG(tile, ratio) (((tile) << 8) | (ratio))
+#define WP_CONFIG_1_TILE_5_3_RATIO WP_CONFIG(CONFIG_1_TILE, PLL_RATIO_5_3)
+#define WP_CONFIG_1_TILE_4_3_RATIO WP_CONFIG(CONFIG_1_TILE, PLL_RATIO_4_3)
+#define WP_CONFIG_2_TILE_5_3_RATIO WP_CONFIG(CONFIG_2_TILE, PLL_RATIO_5_3)
+#define WP_CONFIG_2_TILE_4_3_RATIO WP_CONFIG(CONFIG_2_TILE, PLL_RATIO_4_3)
+#define WP_CONFIG_0_TILE_PLL_OFF WP_CONFIG(0, 0)
#define PLL_REF_CLK_FREQ (50 * 1000000)
#define PLL_SIMULATION_FREQ (10 * 1000000)
@@ -219,7 +219,8 @@ static int ivpu_pll_drive(struct ivpu_device *vdev, bool enable)
config = 0;
}
- ivpu_dbg(vdev, PM, "PLL workpoint request: %d Hz\n", PLL_RATIO_TO_FREQ(target_ratio));
+ ivpu_dbg(vdev, PM, "PLL workpoint request: config 0x%04x pll ratio 0x%x\n",
+ config, target_ratio);
ret = ivpu_pll_cmd_send(vdev, hw->pll.min_ratio, hw->pll.max_ratio, target_ratio, config);
if (ret) {
@@ -610,34 +611,10 @@ static int ivpu_boot_d0i3_drive(struct ivpu_device *vdev, bool enable)
static int ivpu_hw_mtl_info_init(struct ivpu_device *vdev)
{
struct ivpu_hw_info *hw = vdev->hw;
- u32 tile_fuse;
-
- tile_fuse = REGB_RD32(MTL_BUTTRESS_TILE_FUSE);
- if (!REG_TEST_FLD(MTL_BUTTRESS_TILE_FUSE, VALID, tile_fuse))
- ivpu_warn(vdev, "Tile Fuse: Invalid (0x%x)\n", tile_fuse);
-
- hw->tile_fuse = REG_GET_FLD(MTL_BUTTRESS_TILE_FUSE, SKU, tile_fuse);
- switch (hw->tile_fuse) {
- case TILE_FUSE_ENABLE_LOWER:
- hw->sku = TILE_SKU_LOWER_MTL;
- hw->config = WP_CONFIG_1_TILE_5_3_RATIO;
- ivpu_dbg(vdev, MISC, "Tile Fuse: Enable Lower\n");
- break;
- case TILE_FUSE_ENABLE_UPPER:
- hw->sku = TILE_SKU_UPPER_MTL;
- hw->config = WP_CONFIG_1_TILE_4_3_RATIO;
- ivpu_dbg(vdev, MISC, "Tile Fuse: Enable Upper\n");
- break;
- case TILE_FUSE_ENABLE_BOTH:
- hw->sku = TILE_SKU_BOTH_MTL;
- hw->config = WP_CONFIG_2_TILE_5_3_RATIO;
- ivpu_dbg(vdev, MISC, "Tile Fuse: Enable Both\n");
- break;
- default:
- hw->config = WP_CONFIG_0_TILE_PLL_OFF;
- ivpu_dbg(vdev, MISC, "Tile Fuse: Disable\n");
- break;
- }
+
+ hw->tile_fuse = TILE_FUSE_ENABLE_BOTH;
+ hw->sku = TILE_SKU_BOTH_MTL;
+ hw->config = WP_CONFIG_2_TILE_4_3_RATIO;
ivpu_pll_init_frequency_ratios(vdev);
--
2.25.1
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