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20 Apr 2026 14:55:54 -0700 From: arjan@linux.intel.com To: amd-gfx@lists.freedesktop.org Cc: Arjan van de Ven , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/amdgpu: fix zero-size GDS range init on RDNA4 Date: Mon, 20 Apr 2026 14:57:15 -0700 Message-ID: <20260420215717.223372-1-arjan@linux.intel.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogQXJqYW4gdmFuIGRlIFZlbiA8YXJqYW5AbGludXguaW50ZWwuY29tPgoKUkROQTQgKEdG WCAxMikgaGFyZHdhcmUgcmVtb3ZlcyB0aGUgR0RTLCBHV1MsIGFuZCBPQSBvbi1jaGlwIG1lbW9y eQpyZXNvdXJjZXMuIFRoZSBnZnhfdjEyXzAgaW5pdGlhbGlzYXRpb24gY29kZSBjb3JyZWN0bHkg bGVhdmVzCmFkZXYtPmdkcy5nZHNfc2l6ZSwgYWRldi0+Z2RzLmd3c19zaXplLCBhbmQgYWRldi0+ Z2RzLm9hX3NpemUgYXQKemVybyB0byByZWZsZWN0IHRoaXMuCgphbWRncHVfdHRtX2luaXQoKSB1 bmNvbmRpdGlvbmFsbHkgY2FsbHMgYW1kZ3B1X3R0bV9pbml0X29uX2NoaXAoKSBmb3IKZWFjaCBv ZiB0aGVzZSByZXNvdXJjZXMgcmVnYXJkbGVzcyBvZiBzaXplLiBXaGVuIHRoZSBzaXplIGlzIHpl cm8sCmFtZGdwdV90dG1faW5pdF9vbl9jaGlwKCkgZm9yd2FyZHMgdGhlIGNhbGwgdG8gdHRtX3Jh bmdlX21hbl9pbml0KCksCndoaWNoIGNhbGxzIGRybV9tbV9pbml0KG1tLCAwLCAwKS4gZHJtX21t X2luaXQoKSBpbW1lZGlhdGVseSBmaXJlcwpEUk1fTU1fQlVHX09OKHN0YXJ0ICsgc2l6ZSA8PSBz dGFydCkgLS0gdHJpdmlhbGx5IHRydWUgd2hlbiBzaXplIGlzCnplcm8gLS0gY3Jhc2hpbmcgdGhl IGtlcm5lbCBkdXJpbmcgbW9kcHJvYmUgb2YgYW1kZ3B1IG9uIGFuIFJYIDkwNzAgWFQuCgpHdWFy ZCBhZ2FpbnN0IHRoaXMgYnkgcmV0dXJuaW5nIDAgZWFybHkgZnJvbQphbWRncHVfdHRtX2luaXRf b25fY2hpcCgpIHdoZW4gc2l6ZV9pbl9wYWdlIGlzIHplcm8uIFRoaXMgc2tpcHMgVFRNCnJlc291 cmNlIG1hbmFnZXIgcmVnaXN0cmF0aW9uIGZvciBoYXJkd2FyZSByZXNvdXJjZXMgdGhhdCBhcmUg YWJzZW50LAp3aXRob3V0IGFmZmVjdGluZyBhbnkgb3RoZXIgR1BVIHR5cGUuCgpMaW5rOiBodHRw czovL2xvcmUua2VybmVsLm9yZy9hbGwvYnVnLTIyMTM3Ni0yMzAwQGh0dHBzLmJ1Z3ppbGxhLmtl cm5lbC5vcmclMkYvCkxpbms6IGh0dHBzOi8vYnVnemlsbGEua2VybmVsLm9yZy9zaG93X2J1Zy5j Z2k/aWQ9MjIxMzc2Ck9vcHMtQW5hbHlzaXM6IGh0dHA6Ly9vb3BzLmZlbnJ1cy5vcmcvcmVwb3J0 cy9idWd6aWxsYS5rb3JnLzIyMTM3Ni9yZXBvcnQuaHRtbApBc3Npc3RlZC1ieTogR2l0SHViIENv cGlsb3Q6Q2xhdWRlIFNvbm5ldCA0LjYgbGludXgta2VybmVsLW9vcHMteDg2LgpTaWduZWQtb2Zm LWJ5OiBBcmphbiB2YW4gZGUgVmVuIDxhcmphbkBsaW51eC5pbnRlbC5jb20+CkNjOiBBbGV4IERl dWNoZXIgPGFsZXhhbmRlci5kZXVjaGVyQGFtZC5jb20+CkNjOiAiQ2hyaXN0aWFuIEvDtm5pZyIg PGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KQ2M6IGFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCkNjOiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCkNjOiBsaW51eC1rZXJuZWxA dmdlci5rZXJuZWwub3JnCgotLS0KIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90 dG0uYyB8ICAgIDMgKysrCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspCgpkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3R0bS5jIGIvZHJpdmVycy9n cHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3R0bS5jCmluZGV4IGFmYWFhYjY0OTZkZWYuLjgwNzVh YzczNTMyMWUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90 dG0uYworKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdHRtLmMKQEAgLTc1 LDYgKzc1LDkgQEAgc3RhdGljIGludCBhbWRncHVfdHRtX2luaXRfb25fY2hpcChzdHJ1Y3QgYW1k Z3B1X2RldmljZSAqYWRldiwKIAkJCQkgICAgdW5zaWduZWQgaW50IHR5cGUsCiAJCQkJICAgIHVp bnQ2NF90IHNpemVfaW5fcGFnZSkKIHsKKwlpZiAoIXNpemVfaW5fcGFnZSkKKwkJcmV0dXJuIDA7 CisKIAlyZXR1cm4gdHRtX3JhbmdlX21hbl9pbml0KCZhZGV2LT5tbWFuLmJkZXYsIHR5cGUsCiAJ CQkJICBmYWxzZSwgc2l6ZV9pbl9wYWdlKTsKIH0K