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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 Add dt-binding documentation of dsi for MediaTek MT8188 SoC. Signed-off-by: Shuijing Li Signed-off-by: Jitao Shi Acked-by: Krzysztof Kozlowski Reviewed-by: Matthias Brugger Reviewed-by: AngeloGioacchino Del Regno --- .../devicetree/bindings/display/mediatek/mediatek,dsi.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml index 12441b937684..537e5304b730 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml @@ -30,6 +30,7 @@ properties: - mediatek,mt8173-dsi - mediatek,mt8183-dsi - mediatek,mt8186-dsi + - mediatek,mt8188-dsi - items: - enum: - mediatek,mt6795-dsi From patchwork Mon Sep 11 10:57:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2h1aWppbmcgTGkgKOadjuawtOmdmSk=?= X-Patchwork-Id: 13379188 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7AB59EE7FF4 for ; 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Mon, 11 Sep 2023 03:57:56 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 11 Sep 2023 18:57:21 +0800 Received: from mszsdhlt06.gcn.mediatek.inc (10.16.6.206) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 11 Sep 2023 18:57:21 +0800 From: Shuijing Li To: , , , , , , , , , CC: , , , , , , Shuijing Li Subject: [PATCH v3,2/3] drm/mediatek: dsi: Add dsi cmdq_ctl to send panel initial code Date: Mon, 11 Sep 2023 18:57:35 +0800 Message-ID: <20230911105736.11752-3-shuijing.li@mediatek.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230911105736.11752-1-shuijing.li@mediatek.com> References: <20230911105736.11752-1-shuijing.li@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--6.122000-8.000000 X-TMASE-MatchedRID: iSQL5szRvdFk2k+SbNFHUlPjo7D4SFg4GK57kZ/2makUtdRZTmEaIXue rPMb7lIQzQCEFcQpqph8aEYzFtfkc3Avdl/gU+kWsyNb+yeIRAoRvEpVd3vS1d9RlPzeVuQQVKk hiFZhhSiFWYX2TPbDEr1Odlcux5HWHxPMjOKY7A+6vVBUUydJCsRB0bsfrpPIx1FPlNAAmcCS/Q 9GtJQAANHVCWPd6c/6iJvyhyuD9BErGewB/EQRgZ6oP1a0mRIj X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--6.122000-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 508B35AC456FF8BF641720E0336AA77CFBCC70327C133A4FEB77B0845E4B15852000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_035807_574704_9D33CC36 X-CRM114-Status: GOOD ( 11.56 ) 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 For mt8188, add dsi cmdq reg control to send long packets to panel initialization. MT8188 hardware has been changed to automatically set the cmdq_size value by default when sending long packets. In this patch, the cmdq_size value is set manually instead. Remain consistent with previous IC. Signed-off-by: Shuijing Li Reviewed-by: AngeloGioacchino Del Regno --- Changes in v3: reorder patch 2/3 and 3/3, and describe more about why mt8188 need this patch, per suggestion from the previous thread: https://lore.kernel.org/lkml/411ddbf95e2c2298b84899065691d478069ec273.camel@mediatek.com/ Changes in v2: use mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE_SEL, CMDQ_SIZE_SEL); directly, per suggestion from the previous thread: https://lore.kernel.org/lkml/015f4c60-ed77-9e1f-8a6b-cda6e4f6ac93@gmail.com/ --- drivers/gpu/drm/mediatek/mtk_dsi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index d8bfc2cce54d..e83705394ada 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -86,6 +86,7 @@ #define DSI_CMDQ_SIZE 0x60 #define CMDQ_SIZE 0x3f +#define CMDQ_SIZE_SEL BIT(15) #define DSI_HSTX_CKL_WC 0x64 @@ -178,6 +179,7 @@ struct mtk_dsi_driver_data { const u32 reg_cmdq_off; bool has_shadow_ctl; bool has_size_ctl; + bool cmdq_long_packet_ctl; }; struct mtk_dsi { @@ -996,6 +998,8 @@ static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg) mtk_dsi_mask(dsi, reg_cmdq_off, cmdq_mask, reg_val); mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE, cmdq_size); + if (dsi->driver_data->cmdq_long_packet_ctl) + mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE_SEL, CMDQ_SIZE_SEL); } static ssize_t mtk_dsi_host_send_cmd(struct mtk_dsi *dsi, From patchwork Mon Sep 11 10:57:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2h1aWppbmcgTGkgKOadjuawtOmdmSk=?= X-Patchwork-Id: 13379191 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 74818EE57DF for ; 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Mon, 11 Sep 2023 03:57:57 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 11 Sep 2023 18:57:22 +0800 Received: from mszsdhlt06.gcn.mediatek.inc (10.16.6.206) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 11 Sep 2023 18:57:22 +0800 From: Shuijing Li To: , , , , , , , , , CC: , , , , , , Shuijing Li Subject: [PATCH v3,3/3] drm/mediatek: Add mt8188 dsi compatible to mtk_dsi.c Date: Mon, 11 Sep 2023 18:57:36 +0800 Message-ID: <20230911105736.11752-4-shuijing.li@mediatek.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230911105736.11752-1-shuijing.li@mediatek.com> References: <20230911105736.11752-1-shuijing.li@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--7.045300-8.000000 X-TMASE-MatchedRID: d+baqQ3qUqcRkbqgJpDN9snUT+eskUQP0fwi00MU0DRo5YsPsbyLXdKT OsuIafHqGQdEeHBaW03ijpjet3oGSJCoy9iDotiwFYJUGv4DL3y4vBuE2X0HlRS11FlOYRoheE0 2QNNEBFPi8zVgXoAltsIJ+4gwXrEtIAcCikR3vq9lmGNXrg7z2XJ8NdqlNxRvaL9Jrdm9GpDq3W e3EjLj4igS4psZmMgY X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.045300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 2B614B0B48E935AB1D18BE3309B26B1232CDD8A01E71A94A9FE28C83E2E971482000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_035807_858288_D2331C16 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. 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 Add the compatible because there are different definitions for cmdq register bit control in mt8188. Signed-off-by: Shuijing Li Reviewed-by: AngeloGioacchino Del Regno --- Changes in v3: reorder patch 2/3 and 3/3, per suggestion from the previous thread: https://lore.kernel.org/lkml/338122485db025f6bfb8be550d426ca11698497c.camel@mediatek.com/ --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ drivers/gpu/drm/mediatek/mtk_dsi.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 93552d76b6e7..034056d0f741 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -765,6 +765,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8186-dsi", .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt8188-dsi", + .data = (void *)MTK_DSI }, { } }; diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index e83705394ada..5596d2399eb9 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -1210,6 +1210,13 @@ static const struct mtk_dsi_driver_data mt8186_dsi_driver_data = { .has_size_ctl = true, }; +static const struct mtk_dsi_driver_data mt8188_dsi_driver_data = { + .reg_cmdq_off = 0xd00, + .has_shadow_ctl = true, + .has_size_ctl = true, + .cmdq_long_packet_ctl = true, +}; + static const struct of_device_id mtk_dsi_of_match[] = { { .compatible = "mediatek,mt2701-dsi", .data = &mt2701_dsi_driver_data }, @@ -1219,6 +1226,8 @@ static const struct of_device_id mtk_dsi_of_match[] = { .data = &mt8183_dsi_driver_data }, { .compatible = "mediatek,mt8186-dsi", .data = &mt8186_dsi_driver_data }, + { .compatible = "mediatek,mt8188-dsi", + .data = &mt8188_dsi_driver_data }, { }, }; MODULE_DEVICE_TABLE(of, mtk_dsi_of_match);