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Sat, 06 Sep 2025 20:37:22 +0200 From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: Chanwoo Choi , MyungJoo Ham , Kyungmin Park , Sascha Hauer , Jonathan Cameron , Sebastian Reichel , Nicolas Frattaroli Subject: Re: [PATCH 2/2] PM / devfreq: rockchip-dfi: add support for LPDDR5 Date: Sat, 06 Sep 2025 20:37:21 +0200 Message-ID: <14289002.RDIVbhacDa@diego> In-Reply-To: <20250530-rk3588-dfi-improvements-v1-2-6e077c243a95@collabora.com> References: <20250530-rk3588-dfi-improvements-v1-0-6e077c243a95@collabora.com> <20250530-rk3588-dfi-improvements-v1-2-6e077c243a95@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250906_113731_300422_3C650782 X-CRM114-Status: GOOD ( 25.89 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org QW0gRnJlaXRhZywgMzAuIE1haSAyMDI1LCAxNTozODowOSBNaXR0ZWxldXJvcMOkaXNjaGUgU29t bWVyemVpdCBzY2hyaWViIE5pY29sYXMgRnJhdHRhcm9saToKPiBUaGUgUm9ja2NoaXAgUkszNTg4 IFNvQyBjYW4gYWxzbyBzdXBwb3J0IExQRERSNSBtZW1vcnkuIFRoaXMgdHlwZSBvZgo+IG1lbW9y eSBuZWVkcyBzb21lIHNwZWNpYWwgY2FzZSBoYW5kbGluZyBpbiB0aGUgcm9ja2NoaXAtZGZpIGRy aXZlci4KPiAKPiBBZGQgc3VwcG9ydCBmb3IgaXQgaW4gcm9ja2NoaXAtZGZpLCBhcyB3ZWxsIGFz IHRoZSBuZWVkZWQgR1JGIHJlZ2lzdGVyCj4gZGVmaW5pdGlvbnMuCj4gCj4gVGhpcyBoYXMgYmVl biB0ZXN0ZWQgYXMgcmV0dXJuaW5nIGJvdGggdGhlIHJpZ2h0IGN5Y2xlIGNvdW50IGFuZAo+IGJh bmR3aWR0aCBvbiBhIExQRERSNSBib2FyZCB3aGVyZSB0aGUgQ0tSIGJpdCBpcyAxLiBJIGNvdWxk bid0IHRlc3QKPiB3aGV0aGVyIHRoZSB2YWx1ZXMgYXJlIGNvcnJlY3Qgb24gYSBzeXN0ZW0gd2hl cmUgQ0tSIGlzIDAsIGFzIEknbSBub3QKPiBzYXZ2eSBlbm91Z2ggd2l0aCB0aGUgUm9ja2NoaXAg dG9vbGluZyB0byBrbm93IHdoZXRoZXIgdGhpcyBjYW4gYmUgc2V0Cj4gaW4gdGhlIEREUiBpbml0 IGJsb2IuCj4gCj4gRG93bnN0cmVhbSBoYXMgc29tZSBzcGVjaWFsIGNhc2UgaGFuZGxpbmcgZm9y IGEgaGFyZHdhcmUgdmVyc2lvbiB3aGVyZQo+IG5vdCBqdXN0IHRoZSBjb250cm9sIGJpdHMgZGlm ZmVyLCBidXQgYWxzbyB0aGUgcmVnaXN0ZXIuIFNpbmNlIEkgZG9uJ3QKPiBrbm93IHdoZXRoZXIg dGhhdCBoYXJkd2FyZSB2ZXJzaW9uIGlzIGluIGFueSBwcm9kdWN0aW9uIHNpbGljb24sIGl0J3MK PiBsZWZ0IHVuaW1wbGVtZW50ZWQgZm9yIG5vdywgd2l0aCBhbiBlcnJvciBtZXNzYWdlIHVyZ2lu ZyB1c2VycyB0byByZXBvcnQKPiBpZiB0aGV5IGhhdmUgc3VjaCBhIHN5c3RlbS4KPiAKPiBUaGVy ZSBpcyBhIHNsaWdodCBjaGFuZ2Ugb2YgYmVoYXZpb3VyIGZvciBub24tTFBERFI1IHN5c3RlbXM6 IGluc3RlYWQgb2YKPiB3cml0aW5nIDAgYXMgdGhlIGNvbnRyb2wgZmxhZ3MgdG8gdGhlIGNvbnRy b2wgcmVnaXN0ZXIgYW5kIHByZXRlbmRpbmcKPiBldmVyeXRoaW5nIGlzIGFscmlnaHQgaWYgdGhl IG1lbW9yeSB0eXBlIGlzIHVua25vd24sIHdlIG5vdyBleHBsaWNpdGx5Cj4gcmV0dXJuIGFuIGVy cm9yLgo+IAo+IFNpZ25lZC1vZmYtYnk6IE5pY29sYXMgRnJhdHRhcm9saSA8bmljb2xhcy5mcmF0 dGFyb2xpQGNvbGxhYm9yYS5jb20+CgpoZWFkZXIgYWRkaXRpb25zCkFja2VkLWJ5OiBIZWlrbyBT dHVlYm5lciA8aGVpa29Ac250ZWNoLmRlPgoKPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9zb2Mvcm9j a2NoaXAvcmszNTg4X2dyZi5oIGIvaW5jbHVkZS9zb2Mvcm9ja2NoaXAvcmszNTg4X2dyZi5oCj4g aW5kZXggNjMwYjM1YTU1MDY0MGU1N2YxYjVhNTBkZmJlMzYyNjUzYTdjYmNjMS4uMDJhN2IyNDMy ZDk5NDJlMTVhNzc0MjRjNDRmZWZlYzE4OWZhYWEzMyAxMDA2NDQKPiAtLS0gYS9pbmNsdWRlL3Nv Yy9yb2NrY2hpcC9yazM1ODhfZ3JmLmgKPiArKysgYi9pbmNsdWRlL3NvYy9yb2NrY2hpcC9yazM1 ODhfZ3JmLmgKPiBAQCAtMTIsNyArMTIsMTEgQEAKPiAgI2RlZmluZSBSSzM1ODhfUE1VR1JGX09T X1JFRzNfRFJBTVRZUEVfSU5GT19WMwkJR0VOTUFTSygxMywgMTIpCj4gICNkZWZpbmUgUkszNTg4 X1BNVUdSRl9PU19SRUczX1NZU1JFR19WRVJTSU9OCQlHRU5NQVNLKDMxLCAyOCkKPiAgCj4gLSNk ZWZpbmUgUkszNTg4X1BNVUdSRl9PU19SRUc0ICAgICAgICAgICAweDIxMAo+IC0jZGVmaW5lIFJL MzU4OF9QTVVHUkZfT1NfUkVHNSAgICAgICAgICAgMHgyMTQKPiArI2RlZmluZSBSSzM1ODhfUE1V R1JGX09TX1JFRzQJCQkJMHgyMTAKPiArI2RlZmluZSBSSzM1ODhfUE1VR1JGX09TX1JFRzUJCQkJ MHgyMTQKPiArI2RlZmluZSBSSzM1ODhfUE1VR1JGX09TX1JFRzYJCQkJMHgyMTgKPiArI2RlZmlu ZSBSSzM1ODhfUE1VR1JGX09TX1JFRzZfTFA1X0JBTktfTU9ERQkJR0VOTUFTSygyLCAxKQo+ICsv KiBXaGV0aGVyIHRoZSBMUEREUjUgaXMgaW4gMjoxICg9IDApIG9yIDQ6MSAoPSAxKSBDS1IgYS5r LmEuIERRUyBtb2RlICovCj4gKyNkZWZpbmUgUkszNTg4X1BNVUdSRl9PU19SRUc2X0xQNV9DS1IJ CQlCSVQoMCkKPiAgCj4gICNlbmRpZiAvKiBfX1NPQ19SSzM1ODhfR1JGX0ggKi8KPiBkaWZmIC0t Z2l0IGEvaW5jbHVkZS9zb2Mvcm9ja2NoaXAvcm9ja2NoaXBfZ3JmLmggYi9pbmNsdWRlL3NvYy9y b2NrY2hpcC9yb2NrY2hpcF9ncmYuaAo+IGluZGV4IGU0NmZkNzJhZWE4ZDFmNjQ5NzY4YTMyNjli ODUxNzZkYWNjZWVmMGUuLjQxYzdiYjI2ZmQ1Mzg3ZGY4NWU1YjU4MTg2YjY3YmY3NDcwNmYzNjAg MTAwNjQ0Cj4gLS0tIGEvaW5jbHVkZS9zb2Mvcm9ja2NoaXAvcm9ja2NoaXBfZ3JmLmgKPiArKysg Yi9pbmNsdWRlL3NvYy9yb2NrY2hpcC9yb2NrY2hpcF9ncmYuaAo+IEBAIC0xMyw2ICsxMyw3IEBA IGVudW0gewo+ICAJUk9DS0NISVBfRERSVFlQRV9MUEREUjMJPSA2LAo+ICAJUk9DS0NISVBfRERS VFlQRV9MUEREUjQJPSA3LAo+ICAJUk9DS0NISVBfRERSVFlQRV9MUEREUjRYID0gOCwKPiArCVJP Q0tDSElQX0REUlRZUEVfTFBERFI1CT0gOSwKPiAgfTsKPiAgCj4gICNlbmRpZiAvKiBfX1NPQ19S T0NLQ0hJUF9HUkZfSCAqLwo+IAo+IAoKCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkxpbnV4LXJvY2tjaGlwIG1haWxpbmcgbGlzdApMaW51eC1yb2Nr Y2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK