From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C64FC3F2D7 for ; Wed, 4 Mar 2020 02:57:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6406D2073B for ; Wed, 4 Mar 2020 02:57:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QTXMSXUM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387584AbgCDC5i (ORCPT ); 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Wed, 4 Mar 2020 10:56:31 +0800 Received: from [172.21.77.4] (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 4 Mar 2020 10:55:00 +0800 Message-ID: <1583290652.1062.2.camel@mtksdaap41> Subject: Re: [PATCH v4 11/13] soc: mediatek: cmdq: add jump function From: CK Hu To: Dennis YC Hsieh CC: Rob Herring , Mark Rutland , Matthias Brugger , Jassi Brar , Philipp Zabel , "David Airlie" , Daniel Vetter , , , , , , Bibby Hsieh , Houlong Wei , , HS Liao Date: Wed, 4 Mar 2020 10:57:32 +0800 In-Reply-To: <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583233125-7827-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksIERlbm5pczoNCg0KT24gVHVlLCAyMDIwLTAzLTAzIGF0IDE4OjU4ICswODAwLCBEZW5uaXMg WUMgSHNpZWggd3JvdGU6DQo+IEFkZCBqdW1wIGZ1bmN0aW9uIHNvIHRoYXQgY2xpZW50IGNhbiBq dW1wIHRvIGFueSBhZGRyZXNzIHdoaWNoDQo+IGNvbnRhaW5zIGluc3RydWN0aW9uLg0KPiANCj4g U2lnbmVkLW9mZi1ieTogRGVubmlzIFlDIEhzaWVoIDxkZW5uaXMteWMuaHNpZWhAbWVkaWF0ZWsu Y29tPg0KPiAtLS0NCj4gIGRyaXZlcnMvc29jL21lZGlhdGVrL210ay1jbWRxLWhlbHBlci5jIHwg MTIgKysrKysrKysrKysrDQo+ICBpbmNsdWRlL2xpbnV4L3NvYy9tZWRpYXRlay9tdGstY21kcS5o ICB8IDExICsrKysrKysrKysrDQo+ICAyIGZpbGVzIGNoYW5nZWQsIDIzIGluc2VydGlvbnMoKykN Cj4gDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3NvYy9tZWRpYXRlay9tdGstY21kcS1oZWxwZXIu YyBiL2RyaXZlcnMvc29jL21lZGlhdGVrL210ay1jbWRxLWhlbHBlci5jDQo+IGluZGV4IDU5YmMx MTY0YjQxMS4uZjI3YzY3MDM0ODgwIDEwMDY0NA0KPiAtLS0gYS9kcml2ZXJzL3NvYy9tZWRpYXRl ay9tdGstY21kcS1oZWxwZXIuYw0KPiArKysgYi9kcml2ZXJzL3NvYy9tZWRpYXRlay9tdGstY21k cS1oZWxwZXIuYw0KPiBAQCAtMzcyLDYgKzM3MiwxOCBAQCBpbnQgY21kcV9wa3RfYXNzaWduKHN0 cnVjdCBjbWRxX3BrdCAqcGt0LCB1MTYgcmVnX2lkeCwgdTMyIHZhbHVlKQ0KPiAgfQ0KPiAgRVhQ T1JUX1NZTUJPTChjbWRxX3BrdF9hc3NpZ24pOw0KPiAgDQo+ICtpbnQgY21kcV9wa3RfanVtcChz dHJ1Y3QgY21kcV9wa3QgKnBrdCwgZG1hX2FkZHJfdCBhZGRyKQ0KPiArew0KPiArCXN0cnVjdCBj bWRxX2luc3RydWN0aW9uIGluc3QgPSB7IHswfSB9Ow0KPiArDQo+ICsJaW5zdC5vcCA9IENNRFFf Q09ERV9KVU1QOw0KPiArCWluc3Qub2Zmc2V0ID0gMTsNCg0KU3ltYm9saXplIHRoZSB2YWx1ZSAn MScuDQoNClJlZ2FyZHMsDQpDSw0KDQo+ICsJaW5zdC52YWx1ZSA9IGFkZHIgPj4NCj4gKwkJY21k cV9tYm94X3NoaWZ0KCgoc3RydWN0IGNtZHFfY2xpZW50ICopcGt0LT5jbCktPmNoYW4pOw0KPiAr CXJldHVybiBjbWRxX3BrdF9hcHBlbmRfY29tbWFuZChwa3QsIGluc3QpOw0KPiArfQ0KPiArRVhQ T1JUX1NZTUJPTChjbWRxX3BrdF9qdW1wKTsNCj4gKw0KPiAgaW50IGNtZHFfcGt0X2ZpbmFsaXpl KHN0cnVjdCBjbWRxX3BrdCAqcGt0KQ0KPiAgew0KPiAgCXN0cnVjdCBjbWRxX2luc3RydWN0aW9u IGluc3QgPSB7IHswfSB9Ow0KPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9zb2MvbWVkaWF0 ZWsvbXRrLWNtZHEuaCBiL2luY2x1ZGUvbGludXgvc29jL21lZGlhdGVrL210ay1jbWRxLmgNCj4g aW5kZXggOTllNzcxNTVmOTY3Li4xYTZjNTZmM2JlYzEgMTAwNjQ0DQo+IC0tLSBhL2luY2x1ZGUv bGludXgvc29jL21lZGlhdGVrL210ay1jbWRxLmgNCj4gKysrIGIvaW5jbHVkZS9saW51eC9zb2Mv bWVkaWF0ZWsvbXRrLWNtZHEuaA0KPiBAQCAtMjEzLDYgKzIxMywxNyBAQCBpbnQgY21kcV9wa3Rf cG9sbF9tYXNrKHN0cnVjdCBjbWRxX3BrdCAqcGt0LCB1OCBzdWJzeXMsDQo+ICAgKi8NCj4gIGlu dCBjbWRxX3BrdF9hc3NpZ24oc3RydWN0IGNtZHFfcGt0ICpwa3QsIHUxNiByZWdfaWR4LCB1MzIg dmFsdWUpOw0KPiAgDQo+ICsvKioNCj4gKyAqIGNtZHFfcGt0X2p1bXAoKSAtIEFwcGVuZCBqdW1w IGNvbW1hbmQgdG8gdGhlIENNRFEgcGFja2V0LCBhc2sgR0NFDQo+ICsgKgkJICAgICB0byBleGVj dXRlIGFuIGluc3RydWN0aW9uIHRoYXQgY2hhbmdlIGN1cnJlbnQgdGhyZWFkIFBDIHRvDQo+ICsg KgkJICAgICBhIHBoeXNpY2FsIGFkZHJlc3Mgd2hpY2ggc2hvdWxkIGNvbnRhaW5zIG1vcmUgaW5z dHJ1Y3Rpb24uDQo+ICsgKiBAcGt0OiAgICAgICAgdGhlIENNRFEgcGFja2V0DQo+ICsgKiBAYWRk cjogICAgICAgcGh5c2ljYWwgYWRkcmVzcyBvZiB0YXJnZXQgaW5zdHJ1Y3Rpb24gYnVmZmVyDQo+ ICsgKg0KPiArICogUmV0dXJuOiAwIGZvciBzdWNjZXNzOyBlbHNlIHRoZSBlcnJvciBjb2RlIGlz IHJldHVybmVkDQo+ICsgKi8NCj4gK2ludCBjbWRxX3BrdF9qdW1wKHN0cnVjdCBjbWRxX3BrdCAq cGt0LCBkbWFfYWRkcl90IGFkZHIpOw0KPiArDQo+ICAvKioNCj4gICAqIGNtZHFfcGt0X2ZpbmFs aXplKCkgLSBBcHBlbmQgRU9DIGFuZCBqdW1wIGNvbW1hbmQgdG8gcGt0Lg0KPiAgICogQHBrdDoJ dGhlIENNRFEgcGFja2V0DQoNCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2444FC3F2D1 for ; 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Wed, 4 Mar 2020 10:56:31 +0800 Received: from [172.21.77.4] (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 4 Mar 2020 10:55:00 +0800 Message-ID: <1583290652.1062.2.camel@mtksdaap41> Subject: Re: [PATCH v4 11/13] soc: mediatek: cmdq: add jump function From: CK Hu To: Dennis YC Hsieh Date: Wed, 4 Mar 2020 10:57:32 +0800 In-Reply-To: <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583233125-7827-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200303_185741_041950_5A2BED0B X-CRM114-Status: GOOD ( 15.47 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Daniel Vetter , wsd_upstream@mediatek.com, David Airlie , Jassi Brar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, HS Liao , Rob Herring , linux-mediatek@lists.infradead.org, Houlong Wei , Philipp Zabel , Matthias Brugger , Bibby Hsieh , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi, Dennis: On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote: > Add jump function so that client can jump to any address which > contains instruction. > > Signed-off-by: Dennis YC Hsieh > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 12 ++++++++++++ > include/linux/soc/mediatek/mtk-cmdq.h | 11 +++++++++++ > 2 files changed, 23 insertions(+) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index 59bc1164b411..f27c67034880 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -372,6 +372,18 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) > } > EXPORT_SYMBOL(cmdq_pkt_assign); > > +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr) > +{ > + struct cmdq_instruction inst = { {0} }; > + > + inst.op = CMDQ_CODE_JUMP; > + inst.offset = 1; Symbolize the value '1'. Regards, CK > + inst.value = addr >> > + cmdq_mbox_shift(((struct cmdq_client *)pkt->cl)->chan); > + return cmdq_pkt_append_command(pkt, inst); > +} > +EXPORT_SYMBOL(cmdq_pkt_jump); > + > int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > { > struct cmdq_instruction inst = { {0} }; > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > index 99e77155f967..1a6c56f3bec1 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -213,6 +213,17 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, > */ > int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value); > > +/** > + * cmdq_pkt_jump() - Append jump command to the CMDQ packet, ask GCE > + * to execute an instruction that change current thread PC to > + * a physical address which should contains more instruction. > + * @pkt: the CMDQ packet > + * @addr: physical address of target instruction buffer > + * > + * Return: 0 for success; else the error code is returned > + */ > +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr); > + > /** > * cmdq_pkt_finalize() - Append EOC and jump command to pkt. > * @pkt: the CMDQ packet _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C3B0C3F2C6 for ; Wed, 4 Mar 2020 02:57:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7259B24655 for ; 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bh=uW7yJsKMnYCXbZS5/MrcBoSUI2+S5xj3nwYGlN1X97w=; b=QTXMSXUMpFFDnlAWWLt34/sDrohyxfoAwvzh9dzAuqa3Loj7oG8+B4YeR/l99HvTDNl2DKwB6+LTVZVEuECKVZFLgBrTTFfbiEnnTHOI62+/K4aBkbc8S+LRDfq/avajWm082of/DpvK/vXDhG8QhGB5f72/0BHU7OfQqztAU/0=; X-UUID: 36c5e04f52ed4229b67cd5d6b4f49991-20200303 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1768163047; Tue, 03 Mar 2020 18:57:35 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 3 Mar 2020 18:57:33 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 4 Mar 2020 10:56:31 +0800 Received: from [172.21.77.4] (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 4 Mar 2020 10:55:00 +0800 Message-ID: <1583290652.1062.2.camel@mtksdaap41> Subject: Re: [PATCH v4 11/13] soc: mediatek: cmdq: add jump function From: CK Hu To: Dennis YC Hsieh Date: Wed, 4 Mar 2020 10:57:32 +0800 In-Reply-To: <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583233125-7827-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200303_185741_041950_5A2BED0B X-CRM114-Status: GOOD ( 15.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Daniel Vetter , wsd_upstream@mediatek.com, David Airlie , Jassi Brar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, HS Liao , Rob Herring , linux-mediatek@lists.infradead.org, Houlong Wei , Philipp Zabel , Matthias Brugger , Bibby Hsieh , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Dennis: On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote: > Add jump function so that client can jump to any address which > contains instruction. > > Signed-off-by: Dennis YC Hsieh > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 12 ++++++++++++ > include/linux/soc/mediatek/mtk-cmdq.h | 11 +++++++++++ > 2 files changed, 23 insertions(+) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index 59bc1164b411..f27c67034880 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -372,6 +372,18 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) > } > EXPORT_SYMBOL(cmdq_pkt_assign); > > +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr) > +{ > + struct cmdq_instruction inst = { {0} }; > + > + inst.op = CMDQ_CODE_JUMP; > + inst.offset = 1; Symbolize the value '1'. Regards, CK > + inst.value = addr >> > + cmdq_mbox_shift(((struct cmdq_client *)pkt->cl)->chan); > + return cmdq_pkt_append_command(pkt, inst); > +} > +EXPORT_SYMBOL(cmdq_pkt_jump); > + > int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > { > struct cmdq_instruction inst = { {0} }; > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > index 99e77155f967..1a6c56f3bec1 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -213,6 +213,17 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, > */ > int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value); > > +/** > + * cmdq_pkt_jump() - Append jump command to the CMDQ packet, ask GCE > + * to execute an instruction that change current thread PC to > + * a physical address which should contains more instruction. > + * @pkt: the CMDQ packet > + * @addr: physical address of target instruction buffer > + * > + * Return: 0 for success; else the error code is returned > + */ > +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr); > + > /** > * cmdq_pkt_finalize() - Append EOC and jump command to pkt. > * @pkt: the CMDQ packet _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E8CDC3F2D1 for ; Wed, 4 Mar 2020 02:57:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 692862073B for ; Wed, 4 Mar 2020 02:57:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QTXMSXUM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 692862073B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EFA016EAA6; Wed, 4 Mar 2020 02:57:37 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTP id 87A276EAA6 for ; Wed, 4 Mar 2020 02:57:35 +0000 (UTC) X-UUID: 2e0c820f2ca14225af068b98e099a8f2-20200304 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=uW7yJsKMnYCXbZS5/MrcBoSUI2+S5xj3nwYGlN1X97w=; b=QTXMSXUMpFFDnlAWWLt34/sDrohyxfoAwvzh9dzAuqa3Loj7oG8+B4YeR/l99HvTDNl2DKwB6+LTVZVEuECKVZFLgBrTTFfbiEnnTHOI62+/K4aBkbc8S+LRDfq/avajWm082of/DpvK/vXDhG8QhGB5f72/0BHU7OfQqztAU/0=; X-UUID: 2e0c820f2ca14225af068b98e099a8f2-20200304 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1832508137; Wed, 04 Mar 2020 10:57:33 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 4 Mar 2020 10:56:31 +0800 Received: from [172.21.77.4] (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 4 Mar 2020 10:55:00 +0800 Message-ID: <1583290652.1062.2.camel@mtksdaap41> Subject: Re: [PATCH v4 11/13] soc: mediatek: cmdq: add jump function From: CK Hu To: Dennis YC Hsieh Date: Wed, 4 Mar 2020 10:57:32 +0800 In-Reply-To: <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1583233125-7827-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1583233125-7827-12-git-send-email-dennis-yc.hsieh@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N 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: , Cc: Mark Rutland , devicetree@vger.kernel.org, wsd_upstream@mediatek.com, David Airlie , Jassi Brar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, HS Liao , Rob Herring , linux-mediatek@lists.infradead.org, Houlong Wei , Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi, Dennis: On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote: > Add jump function so that client can jump to any address which > contains instruction. > > Signed-off-by: Dennis YC Hsieh > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 12 ++++++++++++ > include/linux/soc/mediatek/mtk-cmdq.h | 11 +++++++++++ > 2 files changed, 23 insertions(+) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index 59bc1164b411..f27c67034880 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -372,6 +372,18 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) > } > EXPORT_SYMBOL(cmdq_pkt_assign); > > +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr) > +{ > + struct cmdq_instruction inst = { {0} }; > + > + inst.op = CMDQ_CODE_JUMP; > + inst.offset = 1; Symbolize the value '1'. Regards, CK > + inst.value = addr >> > + cmdq_mbox_shift(((struct cmdq_client *)pkt->cl)->chan); > + return cmdq_pkt_append_command(pkt, inst); > +} > +EXPORT_SYMBOL(cmdq_pkt_jump); > + > int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > { > struct cmdq_instruction inst = { {0} }; > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > index 99e77155f967..1a6c56f3bec1 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -213,6 +213,17 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, > */ > int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value); > > +/** > + * cmdq_pkt_jump() - Append jump command to the CMDQ packet, ask GCE > + * to execute an instruction that change current thread PC to > + * a physical address which should contains more instruction. > + * @pkt: the CMDQ packet > + * @addr: physical address of target instruction buffer > + * > + * Return: 0 for success; else the error code is returned > + */ > +int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr); > + > /** > * cmdq_pkt_finalize() - Append EOC and jump command to pkt. > * @pkt: the CMDQ packet _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel