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From: Alex Deucher <alexander.deucher@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Likun Gao <Likun.Gao@amd.com>,
	Hawking Zhang <Hawking.Zhang@amd.com>,
	"Alex Deucher" <alexander.deucher@amd.com>
Subject: [PATCH] drm/amdgpu: support xcc harvest for ih translate
Date: Wed, 10 Dec 2025 02:14:08 -0500	[thread overview]
Message-ID: <20251210071415.19983-14-alexander.deucher@amd.com> (raw)
In-Reply-To: <20251210071415.19983-1-alexander.deucher@amd.com>

From: Likun Gao <Likun.Gao@amd.com>

Support xcc harvest for ih translate to logic xcc.
V2: Only check available instances

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
index 2f94c44bd6e11..26f8394bdce4b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
@@ -700,14 +700,16 @@ static int gfx_v12_1_get_xccs_per_xcp(struct amdgpu_device *adev)
 
 static int gfx_v12_1_ih_to_xcc_inst(struct amdgpu_device *adev, int ih_node)
 {
+	int logic_xcc;
 	int xcc = (ih_node & 0x7) - 2 + (ih_node >> 3) * 4;
 
-	if (xcc < 0 || xcc >= hweight8(adev->gfx.xcc_mask)) {
-		dev_err(adev->dev, "Couldn't find xcc mapping from IH node");
-		return -EINVAL;
+	for (logic_xcc = 0; logic_xcc < NUM_XCC(adev->gfx.xcc_mask); logic_xcc++) {
+		if (xcc == GET_INST(GC, logic_xcc))
+			return logic_xcc;
 	}
 
-	return xcc;
+	dev_err(adev->dev, "Couldn't find xcc mapping from IH node");
+	return -EINVAL;
 }
 
 static const struct amdgpu_gfx_funcs gfx_v12_1_gfx_funcs = {
-- 
2.52.0


  parent reply	other threads:[~2025-12-10  7:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-10  7:13 [PATCH] drm/amdgpu: Flush TLB on all XCCs on GFX 12.1 Alex Deucher
2025-12-10  7:13 ` [PATCH] drm/amdgpu: Add soc v1_0 ih client id table Alex Deucher
2025-12-10  7:13 ` [PATCH] drm/amdkfd: Update CWSR area calculations for GFX 12.1 Alex Deucher
2025-12-10  7:13 ` [PATCH] drm/amdgpu: Fix CU info " Alex Deucher
2025-12-10  7:13 ` [PATCH] drm/amdgpu: init RS64_MEC_P2/P3_STACK for gfx12.1 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Enable 5-level page table for GFX 12.1.0 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdkfd: Update LDS, Scratch base for 57bit address Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Add pde3 table invalidation request for GFX 12.1.0 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Support 57bit fault address " Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Fix CP_MEC_MDBASE in multi-xcc for gfx v12_1 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Correct xcc_id input to GET_INST from physical to logic Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: use physical xcc id to get rrmt Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Correct inst_id input from physical to logic Alex Deucher
2025-12-10  7:14 ` Alex Deucher [this message]
2025-12-10  7:14 ` [PATCH] drm/amdgpu: normalize reg addr as local xcc for gfx v12_1 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu/mes_v12_1: fix mes access xcd register Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: add gfx sysfs support for gfx_v12_1 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: correct rlc autoload for xcc harvest Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdkfd: Override KFD SVM mappings for GFX 12.1 Alex Deucher
2025-12-10  7:14 ` [PATCH] drm/amdgpu: Add gfx v12_1 interrupt source header Alex Deucher

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