From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: Not enough bandwidth with Magewell XI100DUSB-HDMI From: Mathias Nyman Message-Id: <6abe2cfe-8752-ca4a-e5a7-6da4fd787c0b@linux.intel.com> Date: Mon, 29 Jan 2018 14:02:57 +0200 To: Philipp Zabel , Michael Tretter Cc: linux-usb , Philipp Zabel , Sascha Hauer List-ID: T24gMTkuMDEuMjAxOCAyMjoxMiwgUGhpbGlwcCBaYWJlbCB3cm90ZToKPiBIaSwKPiAKPiBPbiBG cmksIEphbiAxOSwgMjAxOCBhdCAyOjEwIFBNLCBNaWNoYWVsIFRyZXR0ZXIKPiA8bS50cmV0dGVy QHBlbmd1dHJvbml4LmRlPiB3cm90ZToKPj4gSSBmb3VuZCB0aGUgb2xkIHRocmVhZCBhbmQgaXQg c291bmRzIGV4YWN0bHkgbGlrZSBteSBpc3N1ZS4gRGlmZmVyZW50Cj4+IGNhbWVyYSwgYnV0IHNh bWUgeEhDSSBjb250cm9sbGVyLgo+IAo+IEkgaGF2ZSBleGFjdGx5IHRoZSBzYW1lIGlzc3VlIHdp dGggdGhlIHhIQ0kgY29udHJvbGxlciBvZiBteSBsYXB0b3AgYW5kCj4gIk9jdWx1cyBTZW5zb3Ii IFVTQjMgaXNvY2hyb25vdXMgbW9zdGx5LVVWQyBjYW1lcmFzOgo+IAo+IDAwOjE0LjAgVVNCIGNv bnRyb2xsZXI6IEludGVsIENvcnBvcmF0aW9uIFdpbGRjYXQgUG9pbnQtTFAgVVNCIHhIQ0kKPiBD b250cm9sbGVyIChyZXYgMDMpIChwcm9nLWlmIDMwIFtYSENJXSkKPiAgICAgIFN1YnN5c3RlbTog TGVub3ZvIFdpbGRjYXQgUG9pbnQtTFAgVVNCIHhIQ0kgQ29udHJvbGxlcgo+ICAgICAgRmxhZ3M6 IGJ1cyBtYXN0ZXIsIG1lZGl1bSBkZXZzZWwsIGxhdGVuY3kgMCwgSVJRIDQ0Cj4gICAgICBNZW1v cnkgYXQgZjIyMjAwMDAgKDY0LWJpdCwgbm9uLXByZWZldGNoYWJsZSkgW3NpemU9NjRLXQo+ICAg ICAgQ2FwYWJpbGl0aWVzOiBbNzBdIFBvd2VyIE1hbmFnZW1lbnQgdmVyc2lvbiAyCj4gICAgICBD YXBhYmlsaXRpZXM6IFs4MF0gTVNJOiBFbmFibGUrIENvdW50PTEvOCBNYXNrYWJsZS0gNjRiaXQr Cj4gICAgICBLZXJuZWwgZHJpdmVyIGluIHVzZTogeGhjaV9oY2QKPiAgICAgIEtlcm5lbCBtb2R1 bGVzOiB4aGNpX3BjaQo+IAo+IFQ6ICBCdXM9MDIgTGV2PTAxIFBybnQ9MDEgUG9ydD0wMCBDbnQ9 MDEgRGV2Iz0gIDQgU3BkPTUwMDAgTXhDaD0gMAo+IEQ6ICBWZXI9IDMuMDAgQ2xzPWVmKG1pc2Mg KSBTdWI9MDIgUHJvdD0wMSBNeFBTPSA5ICNDZmdzPSAgMQo+IFA6ICBWZW5kb3I9MjgzMyBQcm9k SUQ9MDIxMSBSZXY9IDAuMDAKPiBTOiAgTWFudWZhY3R1cmVyPU9jdWx1cyBWUgo+IFM6ICBQcm9k dWN0PVJpZnQgU2Vuc29yCj4gUzogIFNlcmlhbE51bWJlcj1XTVREMzAzNDMwMEJDVAo+IEM6KiAj SWZzPSAyIENmZyM9IDEgQXRyPTgwIE14UHdyPTgwMG1BCj4gQTogIEZpcnN0SWYjPSAwIElmQ291 bnQ9IDIgQ2xzPWZmKHZlbmQuKSBTdWI9MDMgUHJvdD0wMAo+IEk6KiBJZiM9IDAgQWx0PSAwICNF UHM9IDEgQ2xzPWZmKHZlbmQuKSBTdWI9MDEgUHJvdD0wMCBEcml2ZXI9dXZjdmlkZW8KPiBFOiAg QWQ9ODMoSSkgQXRyPTAzKEludC4pIE14UFM9ICAzMiBJdmw9MTI4bXMKPiBJOiogSWYjPSAxIEFs dD0gMCAjRVBzPSAwIENscz1mZih2ZW5kLikgU3ViPTAyIFByb3Q9MDAgRHJpdmVyPXV2Y3ZpZGVv Cj4gSTogIElmIz0gMSBBbHQ9IDEgI0VQcz0gMSBDbHM9ZmYodmVuZC4pIFN1Yj0wMiBQcm90PTAw IERyaXZlcj11dmN2aWRlbwo+IEU6ICBBZD04MShJKSBBdHI9MDUoSXNvYykgTXhQUz0xMDI0IEl2 bD0xMjV1cwo+IEk6ICBJZiM9IDEgQWx0PSAyICNFUHM9IDEgQ2xzPWZmKHZlbmQuKSBTdWI9MDIg UHJvdD0wMCBEcml2ZXI9dXZjdmlkZW8KPiBFOiAgQWQ9ODEoSSkgQXRyPTA1KElzb2MpIE14UFM9 MTAyNCBJdmw9MTI1dXMKPiAKPiBBbnkgVVNCMiBvciBVU0IzIGRldmljZSB0aGF0IEkgcGx1ZyBp biB3aGlsZSB0aGUgZmlyc3QgY2FtZXJhIGlzIHN0cmVhbWluZyBpbgo+IGFsdHNldHRpbmcgMSBv ciAyIGNhdXNlcyB0aGUgYmFuZHdpZHRoIGVycm9yLiBUaGUgc2FtZSBoYXBwZW5zIHdoZW4gSSB0 cnkgdG8KPiBjaGFuZ2UgdGhlIGFsdHNldHRpbmcgb24gYW4gaXNvY2hyb25vdXMgZW5kcG9pbnQg b2YgYW4gYWxyZWFkeSBwbHVnZ2VkIGRldmljZS4KPiBXaGlsZSB0aGUgY2FtZXJhIGlzIGluIGFs dHNldHRpbmcgMCwgb3RoZXIgZGV2aWNlcyBjYW4gYmUgcHJvYmVkIGFuZCB3b3JrLgo+IAo+PiBG b3Igc29tZSB0ZXN0cywgSSBjaGFuZ2VkIHRoZSB4aGNpX2NoYW5nZV9tYXhfZXhpdF9sYXRlbmN5 KCkgZnVuY3Rpb24KPj4gdG8gaWdub3JlIHRoZSByZXF1ZXN0ZWQgTUVMIGFuZCBzZXQgdGhlIE1F TCB0byAwLiBOb3cgdGhlIFVTQiBkZXZpY2VzCj4+IGFyZSBkZXRlY3RlZCBjb3JyZWN0bHkuCj4g Cj4gRXhhY3RseSB0aGUgc2FtZSB0aGluZyBoZWxwcyBoZXJlLCBhcyB3ZWxsLiBXaXRoIHRoaXMg aGFjaywgc3RyZWFtaW5nIGZyb20gdHdvCj4gb2YgdGhvc2UgY2FtZXJhcyBhdCB0aGUgc2FtZSB0 aW1lIHdvcmtzIHdpdGhvdXQgYW55IGFwcGFyZW50IHByb2JsZW06Cj4gCj4gLS0tLS0tLS0tLTg8 LS0tLS0tLS0tLQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2kuYyBiL2RyaXZl cnMvdXNiL2hvc3QveGhjaS5jCj4gaW5kZXggMjk3NTM2YzlmZDAwLi4zY2I0YTYwZDg4MjIgMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy91c2IvaG9zdC94aGNpLmMKPiArKysgYi9kcml2ZXJzL3VzYi9o b3N0L3hoY2kuYwo+IEBAIC00MDI1LDcgKzQwMjUsNyBAQCBzdGF0aWMgaW50IF9fbWF5YmVfdW51 c2VkCj4geGhjaV9jaGFuZ2VfbWF4X2V4aXRfbGF0ZW5jeShzdHJ1Y3QgeGhjaV9oY2QgKnhoY2ks Cj4gICAgICAgICAgY3RybF9jdHgtPmFkZF9mbGFncyB8PSBjcHVfdG9fbGUzMihTTE9UX0ZMQUcp Owo+ICAgICAgICAgIHNsb3RfY3R4ID0geGhjaV9nZXRfc2xvdF9jdHgoeGhjaSwgY29tbWFuZC0+ aW5fY3R4KTsKPiAgICAgICAgICBzbG90X2N0eC0+ZGV2X2luZm8yICY9IGNwdV90b19sZTMyKH4o KHUzMikgTUFYX0VYSVQpKTsKPiAtICAgICAgIHNsb3RfY3R4LT5kZXZfaW5mbzIgfD0gY3B1X3Rv X2xlMzIobWF4X2V4aXRfbGF0ZW5jeSk7Cj4gKyAgICAgICBzbG90X2N0eC0+ZGV2X2luZm8yIHw9 IGNwdV90b19sZTMyKDApOwo+ICAgICAgICAgIHNsb3RfY3R4LT5kZXZfc3RhdGUgPSAwOwo+IAo+ ICAgICAgICAgIHhoY2lfZGJnX3RyYWNlKHhoY2ksIHRyYWNlX3hoY2lfZGJnX2NvbnRleHRfY2hh bmdlLAo+IC0tLS0tLS0tLS0+OC0tLS0tLS0tLS0KPiAKCk9rLCBiYWNrIGFmdGVyIGEgd2VlayBv biBzaWNrbGVhdmUuCkknbSBnZXR0aW5nIHRoZSBtYWdld2VsbCBjYXB0dXJlIGRldmljZSBhbmQg dHJ5IHRvIHJlcHJvZHVjZSB0aGlzIG15c2VsZi4KCi1NYXRoaWFzCi0tLQpUbyB1bnN1YnNjcmli ZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtdXNiIiBp bgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3Jl IG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZv Lmh0bWwK