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Tue, 20 Dec 2022 06:50:28 -0800 (PST) Message-ID: Date: Tue, 20 Dec 2022 15:50:27 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH] soc: mediatek: mtk-svs: Enable the IRQ later Content-Language: en-US To: =?UTF-8?B?Um9nZXIgTHUgKOmZuOeRnuWCkSk=?= , "ribalda@chromium.org" , "angelogioacchino.delregno@collabora.com" Cc: "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-mediatek@lists.infradead.org" References: <20221127-mtk-svs-v1-0-7a5819595838@chromium.org> <52fb6ccf3fe1cb11f3e330ecc4d9c6cf1225c98a.camel@mediatek.com> From: Matthias Brugger In-Reply-To: <52fb6ccf3fe1cb11f3e330ecc4d9c6cf1225c98a.camel@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221220_065032_236961_98BC7666 X-CRM114-Status: GOOD ( 24.42 ) 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: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 20/12/2022 12:03, Roger Lu (陸瑞傑) wrote: > Hi Matthias Sir, > > After applying this patch, SVS probes fail as below on my MT8192 platform. If > thing isn't too late, please do not merge this patch. I'll ask Ricardo how to > reproduce this issue and give the correct solution. Thanks in advance. > Ok, I just dropped the patch from v6.2-tmp/soc branch. Regards, Matthias > #MT8192 platform SVS probe fail log > [ 10.209430] SVSB_GPU_LOW: init02 completion timeout > [ 10.214402] mtk-svs 1100b000.svs: svs start fail: -16 > [ 10.219479] mtk-svs: probe of 1100b000.svs failed with error -16 > > Hi Ricardo, > > Could you share us how you reproduce this issue? I have MT8192 Chromebook and > can give it a try to reproduce the issue you encountered. Thanks a lot. > > Sincerely, > Roger Lu. > > On Fri, 2022-12-16 at 13:47 +0100, Matthias Brugger wrote: >> >> On 30/11/2022 12:00, AngeloGioacchino Del Regno wrote: >> > Il 27/11/22 21:22, Ricardo Ribalda ha scritto: >> > > If the system does not come from reset (like when is booted via >> > > kexec()), the peripheral might triger an IRQ before the data structures >> > > are initialised. >> > > >> > > Fixes: >> > > >> > > [ 0.227710] Unable to handle kernel NULL pointer dereference at >> > > virtual >> > > address 0000000000000f08 >> > > [ 0.227913] Call trace: >> > > [ 0.227918] svs_isr+0x8c/0x538 >> > > >> > > Signed-off-by: Ricardo Ribalda >> > >> > Reviewed-by: AngeloGioacchino Del Regno < >> > angelogioacchino.delregno@collabora.com> >> > >> > >> >> Applied thanks! >> > > ************* MEDIATEK Confidentiality Notice ******************** > The information contained in this e-mail message (including any > attachments) may be confidential, proprietary, privileged, or otherwise > exempt from disclosure under applicable laws. It is intended to be > conveyed only to the designated recipient(s). Any use, dissemination, > distribution, printing, retaining or copying of this e-mail (including its > attachments) by unintended recipient(s) is strictly prohibited and may > be unlawful. If you are not an intended recipient of this e-mail, or believe > that you have received this e-mail in error, please notify the sender > immediately (by replying to this e-mail), delete any and all copies of > this e-mail (including any attachments) from your system, and do not > disclose the content of this e-mail to any other person. Thank you! 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Tue, 20 Dec 2022 06:50:28 -0800 (PST) Message-ID: Date: Tue, 20 Dec 2022 15:50:27 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH] soc: mediatek: mtk-svs: Enable the IRQ later Content-Language: en-US To: =?UTF-8?B?Um9nZXIgTHUgKOmZuOeRnuWCkSk=?= , "ribalda@chromium.org" , "angelogioacchino.delregno@collabora.com" Cc: "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-mediatek@lists.infradead.org" References: <20221127-mtk-svs-v1-0-7a5819595838@chromium.org> <52fb6ccf3fe1cb11f3e330ecc4d9c6cf1225c98a.camel@mediatek.com> From: Matthias Brugger In-Reply-To: <52fb6ccf3fe1cb11f3e330ecc4d9c6cf1225c98a.camel@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221220_065032_236961_98BC7666 X-CRM114-Status: GOOD ( 24.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpPbiAyMC8xMi8yMDIyIDEyOjAzLCBSb2dlciBMdSAo6Zm455Ge5YKRKSB3cm90ZToKPiBIaSBN YXR0aGlhcyBTaXIsCj4gCj4gQWZ0ZXIgYXBwbHlpbmcgdGhpcyBwYXRjaCwgU1ZTIHByb2JlcyBm YWlsIGFzIGJlbG93IG9uIG15IE1UODE5MiBwbGF0Zm9ybS4gSWYKPiB0aGluZyBpc24ndCB0b28g bGF0ZSwgcGxlYXNlIGRvIG5vdCBtZXJnZSB0aGlzIHBhdGNoLiBJJ2xsIGFzayBSaWNhcmRvIGhv dyB0bwo+IHJlcHJvZHVjZSB0aGlzIGlzc3VlIGFuZCBnaXZlIHRoZSBjb3JyZWN0IHNvbHV0aW9u LiBUaGFua3MgaW4gYWR2YW5jZS4KPiAKCk9rLCBJIGp1c3QgZHJvcHBlZCB0aGUgcGF0Y2ggZnJv bSB2Ni4yLXRtcC9zb2MgYnJhbmNoLgoKUmVnYXJkcywKTWF0dGhpYXMKCj4gI01UODE5MiBwbGF0 Zm9ybSBTVlMgcHJvYmUgZmFpbCBsb2cKPiBbICAgMTAuMjA5NDMwXSAgU1ZTQl9HUFVfTE9XOiBp bml0MDIgY29tcGxldGlvbiB0aW1lb3V0Cj4gWyAgIDEwLjIxNDQwMl0gbXRrLXN2cyAxMTAwYjAw MC5zdnM6IHN2cyBzdGFydCBmYWlsOiAtMTYKPiBbICAgMTAuMjE5NDc5XSBtdGstc3ZzOiBwcm9i ZSBvZiAxMTAwYjAwMC5zdnMgZmFpbGVkIHdpdGggZXJyb3IgLTE2Cj4gCj4gSGkgUmljYXJkbywK PiAKPiBDb3VsZCB5b3Ugc2hhcmUgdXMgaG93IHlvdSByZXByb2R1Y2UgdGhpcyBpc3N1ZT8gSSBo YXZlIE1UODE5MiBDaHJvbWVib29rIGFuZAo+IGNhbiBnaXZlIGl0IGEgdHJ5IHRvIHJlcHJvZHVj ZSB0aGUgaXNzdWUgeW91IGVuY291bnRlcmVkLiBUaGFua3MgYSBsb3QuCj4gCj4gU2luY2VyZWx5 LAo+IFJvZ2VyIEx1Lgo+IAo+IE9uIEZyaSwgMjAyMi0xMi0xNiBhdCAxMzo0NyArMDEwMCwgTWF0 dGhpYXMgQnJ1Z2dlciB3cm90ZToKPj4gCj4+IE9uIDMwLzExLzIwMjIgMTI6MDAsIEFuZ2Vsb0dp b2FjY2hpbm8gRGVsIFJlZ25vIHdyb3RlOgo+PiA+IElsIDI3LzExLzIyIDIxOjIyLCBSaWNhcmRv IFJpYmFsZGEgaGEgc2NyaXR0bzoKPj4gPiA+IElmIHRoZSBzeXN0ZW0gZG9lcyBub3QgY29tZSBm cm9tIHJlc2V0IChsaWtlIHdoZW4gaXMgYm9vdGVkIHZpYQo+PiA+ID4ga2V4ZWMoKSksIHRoZSBw ZXJpcGhlcmFsIG1pZ2h0IHRyaWdlciBhbiBJUlEgYmVmb3JlIHRoZSBkYXRhIHN0cnVjdHVyZXMK Pj4gPiA+IGFyZSBpbml0aWFsaXNlZC4KPj4gPiA+IAo+PiA+ID4gRml4ZXM6Cj4+ID4gPiAKPj4g PiA+IFsgICAgMC4yMjc3MTBdIFVuYWJsZSB0byBoYW5kbGUga2VybmVsIE5VTEwgcG9pbnRlciBk ZXJlZmVyZW5jZSBhdAo+PiA+ID4gdmlydHVhbCAKPj4gPiA+IGFkZHJlc3MgMDAwMDAwMDAwMDAw MGYwOAo+PiA+ID4gWyAgICAwLjIyNzkxM10gQ2FsbCB0cmFjZToKPj4gPiA+IFsgICAgMC4yMjc5 MThdICBzdnNfaXNyKzB4OGMvMHg1MzgKPj4gPiA+IAo+PiA+ID4gU2lnbmVkLW9mZi1ieTogUmlj YXJkbyBSaWJhbGRhIDxyaWJhbGRhQGNocm9taXVtLm9yZz4KPj4gPiAKPj4gPiBSZXZpZXdlZC1i eTogQW5nZWxvR2lvYWNjaGlubyBEZWwgUmVnbm8gPAo+PiA+IGFuZ2Vsb2dpb2FjY2hpbm8uZGVs cmVnbm9AY29sbGFib3JhLmNvbT4KPj4gPiAKPj4gPiAKPj4gCj4+IEFwcGxpZWQgdGhhbmtzIQo+ PiAKPiAKPiAqKioqKioqKioqKioqIE1FRElBVEVLIENvbmZpZGVudGlhbGl0eSBOb3RpY2UgKioq KioqKioqKioqKioqKioqKioKPiBUaGUgaW5mb3JtYXRpb24gY29udGFpbmVkIGluIHRoaXMgZS1t YWlsIG1lc3NhZ2UgKGluY2x1ZGluZyBhbnkKPiBhdHRhY2htZW50cykgbWF5IGJlIGNvbmZpZGVu dGlhbCwgcHJvcHJpZXRhcnksIHByaXZpbGVnZWQsIG9yIG90aGVyd2lzZQo+IGV4ZW1wdCBmcm9t IGRpc2Nsb3N1cmUgdW5kZXIgYXBwbGljYWJsZSBsYXdzLiBJdCBpcyBpbnRlbmRlZCB0byBiZQo+ IGNvbnZleWVkIG9ubHkgdG8gdGhlIGRlc2lnbmF0ZWQgcmVjaXBpZW50KHMpLiBBbnkgdXNlLCBk aXNzZW1pbmF0aW9uLAo+IGRpc3RyaWJ1dGlvbiwgcHJpbnRpbmcsIHJldGFpbmluZyBvciBjb3B5 aW5nIG9mIHRoaXMgZS1tYWlsIChpbmNsdWRpbmcgaXRzCj4gYXR0YWNobWVudHMpIGJ5IHVuaW50 ZW5kZWQgcmVjaXBpZW50KHMpIGlzIHN0cmljdGx5IHByb2hpYml0ZWQgYW5kIG1heQo+IGJlIHVu bGF3ZnVsLiBJZiB5b3UgYXJlIG5vdCBhbiBpbnRlbmRlZCByZWNpcGllbnQgb2YgdGhpcyBlLW1h aWwsIG9yIGJlbGlldmUKPiB0aGF0IHlvdSBoYXZlIHJlY2VpdmVkIHRoaXMgZS1tYWlsIGluIGVy cm9yLCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIKPiBpbW1lZGlhdGVseSAoYnkgcmVwbHlpbmcg dG8gdGhpcyBlLW1haWwpLCBkZWxldGUgYW55IGFuZCBhbGwgY29waWVzIG9mCj4gdGhpcyBlLW1h aWwgKGluY2x1ZGluZyBhbnkgYXR0YWNobWVudHMpIGZyb20geW91ciBzeXN0ZW0sIGFuZCBkbyBu b3QKPiBkaXNjbG9zZSB0aGUgY29udGVudCBvZiB0aGlzIGUtbWFpbCB0byBhbnkgb3RoZXIgcGVy c29uLiBUaGFuayB5b3UhCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxp c3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0 aW5mby9saW51eC1hcm0ta2VybmVsCg==