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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH] drm/ast: Fix modeset failed on DisplayPort To: Jammy Huang , airlied@redhat.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20230425070330.8520-1-jammy_huang@aspeedtech.com> Content-Language: en-US From: Thomas Zimmermann In-Reply-To: <20230425070330.8520-1-jammy_huang@aspeedtech.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------PxfkerZ3zaJRlZv1rWTKclyW" X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------PxfkerZ3zaJRlZv1rWTKclyW Content-Type: multipart/mixed; boundary="------------02nKpVuvcpnRadYyJ0pN0BUR"; protected-headers="v1" From: Thomas Zimmermann To: Jammy Huang , airlied@redhat.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Message-ID: Subject: Re: [PATCH] drm/ast: Fix modeset failed on DisplayPort References: <20230425070330.8520-1-jammy_huang@aspeedtech.com> In-Reply-To: <20230425070330.8520-1-jammy_huang@aspeedtech.com> --------------02nKpVuvcpnRadYyJ0pN0BUR Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 SGkNCg0KQW0gMjUuMDQuMjMgdW0gMDk6MDMgc2NocmllYiBKYW1teSBIdWFuZzoNCj4gSWYg d2Ugc3dpdGNoIGRpc3BsYXkgYW5kIHVwZGF0ZSBjdXJzb3IgdG9nZXRoZXIsIGl0IGNvdWxk IGxlYWQgdG8NCj4gbW9kZXNldCBmYWlsZWQgYmVjYXVzZSBvZiBjb25jdXJyZW50IGFjY2Vz cyB0byBJTyByZWdpc3RlcnMuDQo+IA0KPiBBZGQgbG9jayBwcm90ZWN0aW9uIGluIERQJ3Mg ZWRpZCBhY2Nlc3MgdG8gYXZvaWQgdGhpcyBwcm9ibGVtLg0KDQpUaGFua3MgZm9yIHRoZSBw YXRjaC4gSSB0aG91Z2h0IEkgZml4ZWQgdGhpcyBpc3N1ZSBhbHJlYWR5LCBidXQgdGhhdCAN CmFwcGFyZW50bHkgb25seSBoYXBwZW5lZCBmb3IgU0lMMTY0IGFuZCBWR0EuDQoNCldoYXQg YWJvdXQgYXN0X2RwNTAxX2Nvbm5lY3Rvcl9oZWxwZXJfZ2V0X21vZGVzKCk/IERvZXMgaXQg cmVxdWlyZSB0aGUgDQpsb2NraW5nIGFzIHdlbGw/DQoNCj4gDQo+IFNpZ25lZC1vZmYtYnk6 IEphbW15IEh1YW5nIDxqYW1teV9odWFuZ0Bhc3BlZWR0ZWNoLmNvbT4NCj4gLS0tDQo+ICAg ZHJpdmVycy9ncHUvZHJtL2FzdC9hc3RfbW9kZS5jIHwgMTEgKysrKysrKysrKysNCj4gICAx IGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9hc3QvYXN0X21vZGUuYyBiL2RyaXZlcnMvZ3B1L2RybS9hc3QvYXN0 X21vZGUuYw0KPiBpbmRleCA5ODRlYzU5MGE3ZTcuLmZlNWYxZmQ2MTM2MSAxMDA2NDQNCj4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL2FzdC9hc3RfbW9kZS5jDQo+ICsrKyBiL2RyaXZlcnMv Z3B1L2RybS9hc3QvYXN0X21vZGUuYw0KPiBAQCAtMTYzNSw2ICsxNjM1LDggQEAgc3RhdGlj IGludCBhc3RfZHA1MDFfb3V0cHV0X2luaXQoc3RydWN0IGFzdF9wcml2YXRlICphc3QpDQo+ ICAgc3RhdGljIGludCBhc3RfYXN0ZHBfY29ubmVjdG9yX2hlbHBlcl9nZXRfbW9kZXMoc3Ry dWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvcikNCj4gICB7DQo+ICAgCXZvaWQgKmVkaWQ7 DQo+ICsJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGNvbm5lY3Rvci0+ZGV2Ow0KPiArCXN0 cnVjdCBhc3RfcHJpdmF0ZSAqYXN0ID0gdG9fYXN0X3ByaXZhdGUoZGV2KTsNCg0KV2UndmUg bWVhbndoaWxlIHJlbmFtZWQgYXN0X3ByaXZhdGUgdG8gYXN0X2RldmljZS4gQ291bGQgeW91 IHBsZWFzZSANCnByb3ZpZGUgYW4gdXBkYXRlZCBwYXRjaCBmb3IgdGhlIGRybS1taXNjLW5l eHQgdHJlZT8NCg0KQmVzdCByZWdhcmRzDQpUaG9tYXMNCg0KPiAgIA0KPiAgIAlpbnQgc3Vj YzsNCj4gICAJaW50IGNvdW50Ow0KPiBAQCAtMTY0MywxMCArMTY0NSwxOCBAQCBzdGF0aWMg aW50IGFzdF9hc3RkcF9jb25uZWN0b3JfaGVscGVyX2dldF9tb2RlcyhzdHJ1Y3QgZHJtX2Nv bm5lY3RvciAqY29ubmVjdG9yKQ0KPiAgIAlpZiAoIWVkaWQpDQo+ICAgCQlnb3RvIGVycl9k cm1fY29ubmVjdG9yX3VwZGF0ZV9lZGlkX3Byb3BlcnR5Ow0KPiAgIA0KPiArCS8qDQo+ICsJ ICogUHJvdGVjdCBhY2Nlc3MgdG8gSS9PIHJlZ2lzdGVycyBmcm9tIGNvbmN1cnJlbnQgbW9k ZXNldHRpbmcNCj4gKwkgKiBieSBhY3F1aXJpbmcgdGhlIEkvTy1yZWdpc3RlciBsb2NrLg0K PiArCSAqLw0KPiArCW11dGV4X2xvY2soJmFzdC0+aW9yZWdzX2xvY2spOw0KPiArDQo+ICAg CXN1Y2MgPSBhc3RfYXN0ZHBfcmVhZF9lZGlkKGNvbm5lY3Rvci0+ZGV2LCBlZGlkKTsNCj4g ICAJaWYgKHN1Y2MgPCAwKQ0KPiAgIAkJZ290byBlcnJfa2ZyZWU7DQo+ICAgDQo+ICsJbXV0 ZXhfdW5sb2NrKCZhc3QtPmlvcmVnc19sb2NrKTsNCj4gKw0KPiAgIAlkcm1fY29ubmVjdG9y X3VwZGF0ZV9lZGlkX3Byb3BlcnR5KGNvbm5lY3RvciwgZWRpZCk7DQo+ICAgCWNvdW50ID0g ZHJtX2FkZF9lZGlkX21vZGVzKGNvbm5lY3RvciwgZWRpZCk7DQo+ICAgCWtmcmVlKGVkaWQp Ow0KPiBAQCAtMTY1NCw2ICsxNjY0LDcgQEAgc3RhdGljIGludCBhc3RfYXN0ZHBfY29ubmVj dG9yX2hlbHBlcl9nZXRfbW9kZXMoc3RydWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvcikN Cj4gICAJcmV0dXJuIGNvdW50Ow0KPiAgIA0KPiAgIGVycl9rZnJlZToNCj4gKwltdXRleF91 bmxvY2soJmFzdC0+aW9yZWdzX2xvY2spOw0KPiAgIAlrZnJlZShlZGlkKTsNCj4gICBlcnJf ZHJtX2Nvbm5lY3Rvcl91cGRhdGVfZWRpZF9wcm9wZXJ0eToNCj4gICAJZHJtX2Nvbm5lY3Rv cl91cGRhdGVfZWRpZF9wcm9wZXJ0eShjb25uZWN0b3IsIE5VTEwpOw0KPiANCj4gYmFzZS1j b21taXQ6IDYxZDMyNWRjYmMwNWQ4ZmVmODgxMTBkMzVlZjc3NzZmM2FjM2Y2OGINCg0KLS0g DQpUaG9tYXMgWmltbWVybWFubg0KR3JhcGhpY3MgRHJpdmVyIERldmVsb3Blcg0KU1VTRSBT b2Z0d2FyZSBTb2x1dGlvbnMgR2VybWFueSBHbWJIDQpGcmFua2Vuc3RyYXNzZSAxNDYsIDkw NDYxIE51ZXJuYmVyZywgR2VybWFueQ0KR0Y6IEl2byBUb3RldiwgQW5kcmV3IE15ZXJzLCBB bmRyZXcgTWNEb25hbGQsIEJvdWRpZW4gTW9lcm1hbg0KSFJCIDM2ODA5IChBRyBOdWVybmJl cmcpDQo= --------------02nKpVuvcpnRadYyJ0pN0BUR-- --------------PxfkerZ3zaJRlZv1rWTKclyW Content-Type: application/pgp-signature; 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