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Tue, 12 May 2026 16:03:14 +0800 (CST) Subject: Re: [PATCH v2] drm/loongson: use managed KMS polling To: Myeonghun Pak , dri-devel@lists.freedesktop.org Cc: Icenowy Zheng , Thomas Zimmermann , Qianhai Wu , Huacai Chen , Mingcong Bai , Xi Ruoyao , Maarten Lankhorst , Maxime Ripard , David Airlie , Simona Vetter , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Ijae Kim References: <20260512063657.53100-1-mhun512@gmail.com> From: Jianmin Lv Message-ID: <89da8981-fd0d-9e0b-78e1-a1d10f03685a@loongson.cn> Date: Tue, 12 May 2026 15:55:49 +0800 User-Agent: Mozilla/5.0 (X11; Linux loongarch64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20260512063657.53100-1-mhun512@gmail.com> Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Language: en-US Content-Transfer-Encoding: base64 X-CM-TRANSID: qMiowJCx+8HC3gJqvv9_AA--.47188S3 X-CM-SenderInfo: 5oymxthqpl0qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj93XoW7CFy7uF45JF4Dur1ktFW3XFc_yoW8AF1kpF ZxC3WjyrWUJF17Cw1UJa48J3WS9ayDJFWfurs3A34DuwnxAa47uFyjvF45ZF9rAFWjyF4a qFyvkayru3W3ArXCm3ZEXasCq-sJn29KB7ZKAUJUUUU7529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUP2b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1ln4kS14v26r1Y6r17M2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r12 6r1DMcIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr4 1lc7I2V7IY0VAS07AlzVAYIcxG8wCY1x0262kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxG rwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C267AKxVWUXVWUAwC20s026c02F40E14 v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkG c2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8HKZJUUUU U== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" CgpPbiAyMDI2LzUvMTIg5LiL5Y2IMjozNiwgTXllb25naHVuIFBhayB3cm90ZToKPiBsc2RjX3Bj aV9wcm9iZSgpIGluaXRpYWxpemVzIEtNUyBwb2xsaW5nIGJlZm9yZSBzZXR0aW5nIHVwIHZibGFu ayBzdXBwb3J0LAo+IHJlcXVlc3RpbmcgdGhlIElSUSBhbmQgcmVnaXN0ZXJpbmcgdGhlIERSTSBk ZXZpY2UuIElmIGFueSBvZiB0aG9zZSBsYXRlcgo+IHN0ZXBzIGZhaWxzLCBwcm9iZSByZXR1cm5z IHdpdGhvdXQgZmluYWxpemluZyBwb2xsaW5nLiBUaGUgZHJpdmVyIGFsc28KPiBuZXZlciBmaW5h bGl6ZXMgcG9sbGluZyBvbiByZWd1bGFyIHJlbW92YWwuCj4gCj4gVXNlIGRybW1fa21zX2hlbHBl cl9wb2xsX2luaXQoKSBzbyBwb2xsaW5nIGlzIHRpZWQgdG8gdGhlIERSTSBkZXZpY2UKPiBsaWZl dGltZSBhbmQgYXV0b21hdGljYWxseSBmaW5hbGl6ZWQgb24gcHJvYmUgZmFpbHVyZSBhbmQgZGV2 aWNlIHJlbW92YWwuCj4gCj4gVGhpcyBpc3N1ZSB3YXMgaWRlbnRpZmllZCBkdXJpbmcgb3VyIG9u Z29pbmcgc3RhdGljLWFuYWx5c2lzIHJlc2VhcmNoIHdoaWxlCj4gcmV2aWV3aW5nIGtlcm5lbCBj b2RlLgo+IAo+IEZpeGVzOiBmMzlkYjI2YzU0MjggKCJkcm06IEFkZCBrbXMgZHJpdmVyIGZvciBs b29uZ3NvbiBkaXNwbGF5IGNvbnRyb2xsZXIiKQo+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3Jn Cj4gQ28tZGV2ZWxvcGVkLWJ5OiBJamFlIEtpbSA8YWU4NzgwMDBAZ21haWwuY29tPgo+IFNpZ25l ZC1vZmYtYnk6IElqYWUgS2ltIDxhZTg3ODAwMEBnbWFpbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTog TXllb25naHVuIFBhayA8bWh1bjUxMkBnbWFpbC5jb20+CgpBY2tlZC1ieTogSmlhbm1pbiBMdiA8 bHZqaWFubWluQGxvb25nc29uLmNuPgoKPiAtLS0KPiBDaGFuZ2VzIGluIHYyOgo+IC0gU3dpdGNo IHRvIGRybW1fa21zX2hlbHBlcl9wb2xsX2luaXQoKSBhcyBzdWdnZXN0ZWQgYnkgSWNlbm93eSBa aGVuZwo+ICAgIGFuZCBUaG9tYXMgWmltbWVybWFubiBpbnN0ZWFkIG9mIGFkZGluZyBtYW51YWwg Y2xlYW51cCBwYXRocy4KPiAKPiAgIGRyaXZlcnMvZ3B1L2RybS9sb29uZ3Nvbi9sc2RjX2Rydi5j IHwgMiArLQo+ICAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0p Cj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9sb29uZ3Nvbi9sc2RjX2Rydi5jIGIv ZHJpdmVycy9ncHUvZHJtL2xvb25nc29uL2xzZGNfZHJ2LmMKPiBpbmRleCBhYmY1YmY2OGVlLi40 Yjk3NzUwODk3IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9sb29uZ3Nvbi9sc2RjX2Ry di5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2xvb25nc29uL2xzZGNfZHJ2LmMKPiBAQCAtMjky LDcgKzI5Miw3IEBAIHN0YXRpYyBpbnQgbHNkY19wY2lfcHJvYmUoc3RydWN0IHBjaV9kZXYgKnBk ZXYsIGNvbnN0IHN0cnVjdCBwY2lfZGV2aWNlX2lkICplbnQpCj4gICAKPiAgIAl2Z2FfY2xpZW50 X3JlZ2lzdGVyKHBkZXYsIGxzZGNfdmdhX3NldF9kZWNvZGUpOwo+ICAgCj4gLQlkcm1fa21zX2hl bHBlcl9wb2xsX2luaXQoZGRldik7Cj4gKwlkcm1tX2ttc19oZWxwZXJfcG9sbF9pbml0KGRkZXYp Owo+ICAgCj4gICAJaWYgKGxvb25nc29uX3ZibGFuaykgewo+ICAgCQlyZXQgPSBkcm1fdmJsYW5r X2luaXQoZGRldiwgZGVzY3AtPm51bV9vZl9jcnRjKTsKPiAKCg==