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Mon, 12 Jul 2021 07:47:29 -0700 (PDT) MIME-Version: 1.0 References: <1625986431-27399-1-git-send-email-yongqiang.niu@mediatek.com> <1625986431-27399-2-git-send-email-yongqiang.niu@mediatek.com> In-Reply-To: <1625986431-27399-2-git-send-email-yongqiang.niu@mediatek.com> From: Chun-Kuang Hu Date: Mon, 12 Jul 2021 22:47:18 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v3] drm/mediatek: adjust rdma fifo threshold calculate formula To: Yongqiang Niu Cc: Chun-Kuang Hu , Rob Herring , Matthias Brugger , Philipp Zabel , David Airlie , Daniel Vetter , Jassi Brar , Fabien Parent , Dennis YC Hsieh , DTML , Linux ARM , "moderated list:ARM/Mediatek SoC support" , linux-kernel , DRI Development , Project_Global_Chrome_Upstream_Group@mediatek.com, Hsin-Yi Wang X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210712_074732_282918_59C4BABE X-CRM114-Status: GOOD ( 15.99 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org SGksIFlvbmdxaWFuZzoKCllvbmdxaWFuZyBOaXUgPHlvbmdxaWFuZy5uaXVAbWVkaWF0ZWsuY29t PiDmlrwgMjAyMeW5tDfmnIgxMeaXpSDpgLHml6Ug5LiL5Y2IMjo1NOWvq+mBk++8mgo+Cj4gdGhl IG9yZ2luYWwgZm9ybXVsYSB3aWxsIGNhdXNlZCByZG1hIGZpZm8gdGhyZXNob2xkIGNvbmZpZyBv dmVyZmxvdwo+IGFuZCBubyBvbmUgY291bGQgY29tZSBvdXQgYSBzb2x1dGlvbiBmb3IgYWxsIFNv QywKPiBzZXQgdGhyZXNob2xkIHRvIDcwJSBvZiBtYXggZmlmbyBzaXplIHRvIG1ha2Ugc3VyZSBp dCB3aWxsCj4gbm90IG92ZXJmbG93LCBhbmQgNzAlIGlzIGEgZW1waXJpY2FsIHZhbHVlCgpBcHBs aWVkIHRvIG1lZGlhdGVrLWRybS1uZXh0IFsxXSwgdGhhbmtzLgoKWzFdIGh0dHBzOi8vZ2l0Lmtl cm5lbC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L2NodW5rdWFuZy5odS9saW51eC5naXQv bG9nLz9oPW1lZGlhdGVrLWRybS1uZXh0CgpSZWdhcmRzLApDaHVuLUt1YW5nLgoKPgo+IFNpZ25l ZC1vZmYtYnk6IFlvbmdxaWFuZyBOaXUgPHlvbmdxaWFuZy5uaXVAbWVkaWF0ZWsuY29tPgo+IC0t LQo+ICBkcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2Rpc3BfcmRtYS5jIHwgNiArKystLS0K PiAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKPgo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2Rpc3BfcmRtYS5jIGIvZHJp dmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kaXNwX3JkbWEuYwo+IGluZGV4IGYxMjNmYzAuLmYx ZjZhMmUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kaXNwX3Jk bWEuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZGlzcF9yZG1hLmMKPiBA QCAtMTY0LDEwICsxNjQsMTAgQEAgdm9pZCBtdGtfcmRtYV9jb25maWcoc3RydWN0IGRldmljZSAq ZGV2LCB1bnNpZ25lZCBpbnQgd2lkdGgsCj4gICAgICAgICAvKgo+ICAgICAgICAgICogRW5hYmxl IEZJRk8gdW5kZXJmbG93IHNpbmNlIERTSSBhbmQgRFBJIGNhbid0IGJlIGJsb2NrZWQuCj4gICAg ICAgICAgKiBLZWVwIHRoZSBGSUZPIHBzZXVkbyBzaXplIHJlc2V0IGRlZmF1bHQgb2YgOCBLaUIu IFNldCB0aGUKPiAtICAgICAgICAqIG91dHB1dCB0aHJlc2hvbGQgdG8gNiBtaWNyb3NlY29uZHMg d2l0aCA3LzYgb3ZlcmhlYWQgdG8KPiAtICAgICAgICAqIGFjY291bnQgZm9yIGJsYW5raW5nLCBh bmQgd2l0aCBhIHBpeGVsIGRlcHRoIG9mIDQgYnl0ZXM6Cj4gKyAgICAgICAgKiBvdXRwdXQgdGhy ZXNob2xkIHRvIDcwJSBvZiBtYXggZmlmbyBzaXplIHRvIG1ha2Ugc3VyZSB0aGUKPiArICAgICAg ICAqIHRocmVob2xkIHdpbGwgbm90IG92ZXJmbG93Cj4gICAgICAgICAgKi8KPiAtICAgICAgIHRo cmVzaG9sZCA9IHdpZHRoICogaGVpZ2h0ICogdnJlZnJlc2ggKiA0ICogNyAvIDEwMDAwMDA7Cj4g KyAgICAgICB0aHJlc2hvbGQgPSByZG1hX2ZpZm9fc2l6ZSAqIDcgLyAxMDsKPiAgICAgICAgIHJl ZyA9IFJETUFfRklGT19VTkRFUkZMT1dfRU4gfAo+ICAgICAgICAgICAgICAgUkRNQV9GSUZPX1BT RVVET19TSVpFKHJkbWFfZmlmb19zaXplKSB8Cj4gICAgICAgICAgICAgICBSRE1BX09VVFBVVF9W QUxJRF9GSUZPX1RIUkVTSE9MRCh0aHJlc2hvbGQpOwo+IC0tCj4gMS44LjEuMS5kaXJ0eQo+Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1tZWRp YXRlayBtYWlsaW5nIGxpc3QKTGludXgtbWVkaWF0ZWtAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRw Oi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW1lZGlhdGVrCg==