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[91.98.36.253]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4324eaa4749sm62515969f8f.37.2025.12.29.03.15.26 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 29 Dec 2025 03:15:28 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81.1.3\)) Subject: Re: [PATCH RFC v1] drm/meson: venc: add support for HDMI DMT modes up to 3840x2160 From: Christian Hewitt In-Reply-To: <20251108134236.1299630-1-martin.blumenstingl@googlemail.com> Date: Mon, 29 Dec 2025 15:15:14 +0400 Cc: linux-amlogic@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, neil.armstrong@linaro.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, tobetter@gmail.com Message-Id: References: <20251108134236.1299630-1-martin.blumenstingl@googlemail.com> To: Martin Blumenstingl X-Mailer: Apple Mail (2.3826.700.81.1.3) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251229_031535_185538_2A8AF07E X-CRM114-Status: GOOD ( 23.67 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org PiBPbiA4IE5vdiAyMDI1LCBhdCA1OjQy4oCvcG0sIE1hcnRpbiBCbHVtZW5zdGluZ2wgPG1hcnRp bi5ibHVtZW5zdGluZ2xAZ29vZ2xlbWFpbC5jb20+IHdyb3RlOgo+IAo+IENvbW1pdCA1ZDBiZmU0 NDg0ODEgKCJkcm0vbWVzb246IEFkZCBIRE1JIDEuNCA0ayBtb2RlcyIpIGFkZGVkIHN1cHBvcnQK PiBmb3IgSERNSSAxLjQgNGsgbW9kZXMsIHdoaWNoIGlzIHdoYXQgVFZzIG5lZWQuIEZvciBjb21w dXRlciBtb25pdG9ycwo+IHRoZSBjb2RlIGlzIHVzaW5nIHRoZSBETVQgY29kZS1wYXRoLCB3aGlj aCBlbmRzIHVwIGluCj4gbWVzb25fdmVuY19oZG1pX3N1cHBvcnRlZF9tb2RlKCksIHdoaWNoIGRv ZXMgbm90IGFsbG93IHRoZSA0ayBtb2RlcyB5ZXQuCj4gCj4gVGhlIGRhdGFzaGVldCBmb3IgYWxs IHN1cHBvcnRlZCBTb0NzIG1lbnRpb25zICI0S3gyS0A2MCIuIEl0J3Mgbm90Cj4gY2xlYXIgd2hl dGhlciAiNEsiIGhlcmUgbWVhbnMgMzg0MCBvciA0MDk2IHBpeGVscy4KPiAKPiBBbGxvdyByZXNv bHV0aW9ucyB1cCB0byAzODQweDIxNjAgcGl4ZWxzIChpbmNsdWRpbmcgbWlkZGxlIHN0ZXBzLCBz dWNoCj4gYXMgV1FIRCBhdCAyNTYweDE0NDAgcGl4ZWxzKSBzbyB0aGV5IGNhbiBiZSB1c2VkIHdp dGggY29tcHV0ZXIgbW9uaXRvcnMKPiAodXNpbmcgdGhlIERNVCBjb2RlLXBhdGggaW4gdGhlIGRy aXZlcikuCj4gCj4gU2lnbmVkLW9mZi1ieTogTWFydGluIEJsdW1lbnN0aW5nbCA8bWFydGluLmJs dW1lbnN0aW5nbEBnb29nbGVtYWlsLmNvbT4KClRoaXMgaXMgbm90IGEgVEIgdG8ga2VybmVsIHN0 YW5kYXJkcywgYnV0IGl0IHNlZW1zIG5vdCBtYW55IGZvbGsKaGF2ZSB1bHRyYS13aWRlIG1vbml0 b3JzIHNvIHRoaXMgaXMgYXMgZ29vZCBhcyBpdCBnZXRzOgoKVGVzdGVkLWJ5OiBLaGFkYXMgZm9y dW0gdXNlciB3aXRoIGEgVklNMyBydW5uaW5nIHBhdGNoZWQgNi4xOCA6KQoKaHR0cHM6Ly9mb3J1 bS5raGFkYXMuY29tL3QvY2FuLW5vdC1zZXQtZGlzcGxheS1yZXNvbHV0aW9uLXRvLTM0NDB4MTQ0 MC1mb3ItZGVsbC1tb25pdG9yLzI2MjcxLzgKCkNocmlzdGlhbgoKPiAtLS0KPiBJJ20gc2VuZGlu ZyB0aGlzIGFzIFJGQyBhcyBJJ20gaG9waW5nIHRvIGdldCBzb21lIGNvbW1lbnRzIG9uIHRoZQo+ ICI0S3gyS0A2MCIgbm90ZSBmcm9tIHRoZSBkYXRhc2hlZXRzLgo+IAo+IEkgaGF2ZSB0ZXN0ZWQg aXQgbXlzZWxmIG9uIGEgR1hMIExlIFBvdGF0byBib2FyZCB1c2luZyBhIGNvbXB1dGVyCj4gbW9u aXRvciBhdCAyNTYweDE0NDAgcGl4ZWxzLgo+IAo+IFRoaXMgaXMgdGhlIHNwaXJpdHVhbCBzdWNj ZXNzb3Igb2YgYSBwYXRjaCB0aXRsZWQgImRybS9tZXNvbjogYWRkCj4gc3VwcG9ydCBmb3IgMjU2 MHgxNDQwIHJlc29sdXRpb24gb3V0cHV0IiBmcm9tIFswXQo+IAo+IFswXSBodHRwczovL2xvcmUu a2VybmVsLm9yZy9saW51eC1hbWxvZ2ljLzIwMjUwOTI3MTMwMjM5LjgyNTA2MC0xLWNocmlzdGlh bnNoZXdpdHRAZ21haWwuY29tLwo+IAo+IAo+IGRyaXZlcnMvZ3B1L2RybS9tZXNvbi9tZXNvbl92 ZW5jLmMgfCA0ICsrLS0KPiAxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0 aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbWVzb24vbWVzb25fdmVu Yy5jIGIvZHJpdmVycy9ncHUvZHJtL21lc29uL21lc29uX3ZlbmMuYwo+IGluZGV4IDNiZjBkNmU0 ZmMzMC4uNGFiZDBjMDliNDQyIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tZXNvbi9t ZXNvbl92ZW5jLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vbWVzb24vbWVzb25fdmVuYy5jCj4g QEAgLTg2OCwxMCArODY4LDEwIEBAIG1lc29uX3ZlbmNfaGRtaV9zdXBwb3J0ZWRfbW9kZShjb25z dCBzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqbW9kZSkKPiAgICBEUk1fTU9ERV9GTEFHX1BWU1lO QyB8IERSTV9NT0RFX0ZMQUdfTlZTWU5DKSkKPiByZXR1cm4gTU9ERV9CQUQ7Cj4gCj4gLSBpZiAo bW9kZS0+aGRpc3BsYXkgPCA0MDAgfHwgbW9kZS0+aGRpc3BsYXkgPiAxOTIwKQo+ICsgaWYgKG1v ZGUtPmhkaXNwbGF5IDwgNDAwIHx8IG1vZGUtPmhkaXNwbGF5ID4gMzg0MCkKPiByZXR1cm4gTU9E RV9CQURfSFZBTFVFOwo+IAo+IC0gaWYgKG1vZGUtPnZkaXNwbGF5IDwgNDgwIHx8IG1vZGUtPnZk aXNwbGF5ID4gMTkyMCkKPiArIGlmIChtb2RlLT52ZGlzcGxheSA8IDQ4MCB8fCBtb2RlLT52ZGlz cGxheSA+IDIxNjApCj4gcmV0dXJuIE1PREVfQkFEX1ZWQUxVRTsKPiAKPiByZXR1cm4gTU9ERV9P SzsKPiAtLSAKPiAyLjUxLjIKPiAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpsaW51eC1hbWxvZ2ljIG1haWxpbmcgbGlzdApsaW51eC1hbWxvZ2ljQGxp c3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0 aW5mby9saW51eC1hbWxvZ2ljCg==