From patchwork Tue Oct 17 06:47:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Sung X-Patchwork-Id: 734627 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 38953156F9 for ; Tue, 17 Oct 2023 06:47:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="tTLQHCf0" Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFCADEB; Mon, 16 Oct 2023 23:47:32 -0700 (PDT) X-UUID: 0485c9506cb911eea33bb35ae8d461a2-20231017 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=RYFasfRdFFipuJp1ALfhlyi3gR7bgN0MlfxNZ3696LY=; b=tTLQHCf0t66JpG6gKChWqAmlBvozHUAHqIrOWYdKSiHFhPEhf49TTAF07RVsMAZgmaSt5hVQemtY7vc/WrI1xCPNofCiDDxYFxZyxGlWYZhpsbhOJ0V5lPhfInSOr+RWpYbMrI2SxCI7/XzJIgdWP3twt7aWmjZVxUsN2nC3u+M=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:9df70f47-620d-405e-aa62-8eb95577103f, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9, CLOUDID:1a25e2f0-9a6e-4c39-b73e-f2bc08ca3dc5, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 0485c9506cb911eea33bb35ae8d461a2-20231017 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1986865386; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 03/11] dt-bindings: display: mediatek: ovl: Modify rules for MT8195/MT8188 Date: Tue, 17 Oct 2023 14:47:09 +0800 Message-ID: <20231017064717.21616-4-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Modify rules for both MT8195 and MT8188. Hardware capabilities include color formats and AFBC are changed since MT8195, stop using the settings of MT8183. Signed-off-by: Hsiao Chien Sung --- .../bindings/display/mediatek/mediatek,ovl.yaml | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) -- 2.18.0 diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml index 92e320d54ba2..b37208a9e370 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml @@ -26,20 +26,18 @@ properties: - mediatek,mt8173-disp-ovl - mediatek,mt8183-disp-ovl - mediatek,mt8192-disp-ovl + - mediatek,mt8195-disp-ovl - items: - enum: - mediatek,mt7623-disp-ovl - mediatek,mt2712-disp-ovl - const: mediatek,mt2701-disp-ovl - items: - - enum: - - mediatek,mt8188-disp-ovl - - mediatek,mt8195-disp-ovl - - const: mediatek,mt8183-disp-ovl - - items: - - enum: - - mediatek,mt8186-disp-ovl + - const: mediatek,mt8186-disp-ovl - const: mediatek,mt8192-disp-ovl + - items: + - const: mediatek,mt8188-disp-ovl + - const: mediatek,mt8195-disp-ovl reg: maxItems: 1 From patchwork Tue Oct 17 06:47:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Sung X-Patchwork-Id: 734628 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D21DB156DA for ; Tue, 17 Oct 2023 06:47:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="IH+6i2lC" Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9CA8AB; Mon, 16 Oct 2023 23:47:30 -0700 (PDT) X-UUID: 04bdffe66cb911eea33bb35ae8d461a2-20231017 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=qLWx+HZRKPvH3+Dk9QJq2Dd9wV6RcWPjJPAYx49RqJs=; b=IH+6i2lCE5TOj0N1rrkvk2tKLtdQxIQYE1OhNZevmL9bzy7A3NHJzqmYgkZCCyJH29FQyleoau/3Fqy63YHXwWiictz+JtpbBVLtuf7Sfh4YoXpJt1fQMVaaXKi8p8gdNRWOHawlr8w6A4ZuxhBgLS/DGmJ23Dg2nh/WwrnHdes=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:baa8c79c-c81e-466d-a560-01034f1a537c, IP:0, U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:5f78ec9, CLOUDID:ddb905c0-14cc-44ca-b657-2d2783296e72, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 04bdffe66cb911eea33bb35ae8d461a2-20231017 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 904257753; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 04/11] drm/mediatek: Add OVL compatible name for MT8195 Date: Tue, 17 Oct 2023 14:47:10 +0800 Message-ID: <20231017064717.21616-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Add OVL compatible name for MT8195. Without this commit, DRM won't work after modifying the device tree. Reviewed-by: CK Hu Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index eecfeb8fbde1..5d551bff6b3f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -767,6 +767,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DISP_OVL }, { .compatible = "mediatek,mt8192-disp-ovl", .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8195-disp-ovl", + .data = (void *)MTK_DISP_OVL }, { .compatible = "mediatek,mt8183-disp-ovl-2l", .data = (void *)MTK_DISP_OVL_2L }, { .compatible = "mediatek,mt8192-disp-ovl-2l", From patchwork Tue Oct 17 06:47:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Sung X-Patchwork-Id: 734626 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CDFE915AD0 for ; Tue, 17 Oct 2023 06:47:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="dTIQXiE4" Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18655F1; Mon, 16 Oct 2023 23:47:32 -0700 (PDT) X-UUID: 04bf65206cb911eea33bb35ae8d461a2-20231017 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=BOknq7sF98YK+HRUp3woWcsMacelNgGfHkaunLKrevE=; b=dTIQXiE4H1g+OppcVHEkZ+BI2vBytNubzycAgJ47GDm5nyjBGroXSbUfO84f3Yt1P2CU9q+/CwRVpcr+Yw5xrh20c9LrIZ7xHj6OV7Ephc8OPdDqoGymPjXN7cExhu1/NymyrKKFhYfta2fP+eCc+itzcGw16+c4teuHztwz4u0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:eb2c0085-3415-44ae-a6d3-381ea8566e30, IP:0, U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:5f78ec9, CLOUDID:7deb36c4-1e57-4345-9d31-31ad9818b39f, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 04bf65206cb911eea33bb35ae8d461a2-20231017 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 709946702; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:18 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 05/11] drm/mediatek: Set DRM mode configs accordingly Date: Tue, 17 Oct 2023 14:47:11 +0800 Message-ID: <20231017064717.21616-6-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Set DRM mode configs limitation accroding to the hardware capabilities. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 28 ++++++++++++++++++-------- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 17 ++++++++++++++++ 2 files changed, 37 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 5d551bff6b3f..a4b740420ebb 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -304,6 +304,7 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { .conn_routes = mt8188_mtk_ddp_main_routes, .conn_routes_num = ARRAY_SIZE(mt8188_mtk_ddp_main_routes), .mmsys_dev_num = 2, + .max_pitch = GENMASK(15, 0), }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -318,6 +319,7 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { .main_path = mt8195_mtk_ddp_main, .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), .mmsys_dev_num = 2, + .max_pitch = GENMASK(15, 0), }; static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { @@ -325,6 +327,7 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { .ext_len = ARRAY_SIZE(mt8195_mtk_ddp_ext), .mmsys_id = 1, .mmsys_dev_num = 2, + .max_pitch = GENMASK(15, 0), }; static const struct of_device_id mtk_drm_of_ids[] = { @@ -463,16 +466,16 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret) goto put_mutex_dev; - drm->mode_config.min_width = 64; - drm->mode_config.min_height = 64; - /* - * set max width and height as default value(4096x4096). - * this value would be used to check framebuffer size limitation - * at drm_mode_addfb(). + * Set default values for drm mode config + * these values will be referenced by drm_mode_addfb() as + * frame buffer size limitation. */ - drm->mode_config.max_width = 4096; - drm->mode_config.max_height = 4096; + drm->mode_config.min_width = 1; + drm->mode_config.min_height = 1; + drm->mode_config.cursor_width = 512; + drm->mode_config.cursor_height = 512; + drm->mode_config.funcs = &mtk_drm_mode_config_funcs; drm->mode_config.helper_private = &mtk_drm_mode_config_helpers; @@ -502,6 +505,15 @@ static int mtk_drm_kms_init(struct drm_device *drm) for (j = 0; j < private->data->mmsys_dev_num; j++) { priv_n = private->all_drm_private[j]; + if (priv_n->data->max_pitch) { + /* Save 4 bytes for the color depth (pitch = width x bpp) */ + drm->mode_config.max_width = priv_n->data->max_pitch >> 2; + drm->mode_config.max_height = priv_n->data->max_pitch >> 2; + } else { + drm->mode_config.max_width = 4096; + drm->mode_config.max_height = 4096; + } + if (i == 0 && priv_n->data->main_len) { ret = mtk_drm_crtc_create(drm, priv_n->data->main_path, priv_n->data->main_len, j, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index d2efd715699f..833ecee855bb 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -28,6 +28,21 @@ struct mtk_drm_route { const unsigned int *route_ddp; }; +/** + * struct mtk_mmsys_driver_data - capabilities for the mmsys + * @main_path: path of the main display + * @main_len: length of the main display path + * @ext_path: path of the external display + * @ext_len: length of the external display path + * @third_path: path of the third display + * @third_len: length of the third display path + * @conn_routes: routing table of all the possible connectors + * @conn_routes_num: number of the routing table for the connectors + * @shadow_register: whether or not shadow register is enabled + * @mmsys_id: multi-media system ID + * @mmsys_dev_num: number of devices for in the mmsys as a whole + * @max_pitch: maximum pitch in bytes that the mmsys supports + */ struct mtk_mmsys_driver_data { const unsigned int *main_path; unsigned int main_len; @@ -41,6 +56,8 @@ struct mtk_mmsys_driver_data { bool shadow_register; unsigned int mmsys_id; unsigned int mmsys_dev_num; + + u32 max_pitch; }; struct mtk_drm_private { From patchwork Tue Oct 17 06:47:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Sung X-Patchwork-Id: 734624 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3558814F9D for ; Tue, 17 Oct 2023 06:47:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Au+Xr0ud" Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7E75F0; Mon, 16 Oct 2023 23:47:37 -0700 (PDT) X-UUID: 04d371b46cb911ee8051498923ad61e6-20231017 DKIM-Signature: v=1; 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Tue, 17 Oct 2023 14:47:20 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 06/11] drm/mediatek: Support alpha blending in display driver Date: Tue, 17 Oct 2023 14:47:12 +0800 Message-ID: <20231017064717.21616-7-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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--13.241300-8.000000 X-TMASE-MatchedRID: sHBNP13/Fsz2fv0LTPfvM6MVgdN9w+TCG9Itfzsy8/Xvnm3ZesFzgrxX z8rVhwNp09NQNrxIpFaXO2uBwefMOJOD/r6k201R4pdq9sdj8LW4vBuE2X0HlfNhzIgXtFJVqcT eK67rgVPgN525AmZSDlrpZ2UgV/eS1x+eOID2gFVIOSHptb5tx5qCl1R34jDPtxF8SAx8/RmOx7 X7h9Du63wAGFxWrqclKSiRRLHTYarlRxm3A2wKuhRFJJyf5BJe3QfwsVk0UbtuRXh7bFKB7j4Mm vPrGH5K+6DJezH7jeu8YBKVTOFKeAwhFEZZKPcO66XHIc5w+gc= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--13.241300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 00459956C72CDF8663DBAED2D777653D33981E0D0B403A95CF843A006A2041D42000:8 X-MTK: N X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RDNS_NONE,SPF_HELO_PASS, SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Support alpha blending by adding correct blend mode and alpha property in plane initialization. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 10 ++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 ++ drivers/gpu/drm/mediatek/mtk_drm_plane.c | 11 +++++++++++ 3 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index a4b740420ebb..0467e80444d3 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -14,6 +14,7 @@ #include #include +#include #include #include #include @@ -305,6 +306,9 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { .conn_routes_num = ARRAY_SIZE(mt8188_mtk_ddp_main_routes), .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -320,6 +324,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { @@ -328,6 +335,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { .mmsys_id = 1, .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct of_device_id mtk_drm_of_ids[] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 833ecee855bb..27865f8f1160 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -42,6 +42,7 @@ struct mtk_drm_route { * @mmsys_id: multi-media system ID * @mmsys_dev_num: number of devices for in the mmsys as a whole * @max_pitch: maximum pitch in bytes that the mmsys supports + * @blend_mode: alpha blend modes that the mmsys supports */ struct mtk_mmsys_driver_data { const unsigned int *main_path; @@ -58,6 +59,7 @@ struct mtk_mmsys_driver_data { unsigned int mmsys_dev_num; u32 max_pitch; + u32 blend_mode; }; struct mtk_drm_private { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index 9208f03b3f8c..a6cf1ab94e42 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -327,6 +327,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, size_t num_formats) { int err; + struct mtk_drm_private *priv = dev->dev_private; if (!formats || !num_formats) { DRM_ERROR("no formats for plane\n"); @@ -349,6 +350,16 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, DRM_INFO("Create rotation property failed\n"); } + err = drm_plane_create_alpha_property(plane); + if (err) + DRM_ERROR("failed to create property: alpha\n"); + + if (priv->data->blend_mode) { + err = drm_plane_create_blend_mode_property(plane, priv->data->blend_mode); + if (err) + DRM_ERROR("failed to create property: blend_mode\n"); + } + drm_plane_helper_add(plane, &mtk_plane_helper_funcs); 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Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 07/11] drm/mediatek: Support alpha blending in VDOSYS0 Date: Tue, 17 Oct 2023 14:47:13 +0800 Message-ID: <20231017064717.21616-8-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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--11.236600-8.000000 X-TMASE-MatchedRID: GlUfE5FNQQz2fv0LTPfvM5JAa1C/+FcuEbxKVXd70tWU8ftiyKjZrRsY DextMHGuGJd2qe6nWQsaTIVsbS1pG+F/B1jEjV+6y7TSWcbz49b/lBG+uXYJkNchlMhSt6FexEs GD8geUL38aLTyW2a3YkhxRggzEU3FMH15eekLeUiHZXNSWjgdU4ED+PNzPecBRQ0dAChl/lz8/L 2o6LnOlxWt9a3ryuo3lHJpPX3ZHleyRDt3x3st943NgkEqAN0RpwnFZnn+VHwHBp+1KU23QYFaK sEtPT2WFm9c8s2OWMvrSFeO0C8F5I9oUcx9VMLgFEUknJ/kEl7dB/CxWTRRu25FeHtsUoHuPmT0 js3FXVC5lpKwiuLw5JGumwfIFp5jAUfAWyyQaUW+68HqACCvKA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--11.236600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: FCB9604EA221C53E732E0093068681EECA5186819A4692C8AE7D4BDC42D0E7452000:8 X-MTK: N X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RDNS_NONE,SPF_HELO_PASS, SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Support premultiply and coverage alpha blending modes. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 202 +++++++++++++++++++++--- 1 file changed, 178 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 5aaf4342cdbd..75de1350e337 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -31,6 +31,7 @@ #define OVL_LAYER_SMI_ID_EN BIT(0) #define OVL_BGCLR_SEL_IN BIT(2) #define OVL_LAYER_AFBC_EN(n) BIT(4+n) +#define OVL_OUTPUT_CLAMP BIT(26) #define DISP_REG_OVL_ROI_BGCLR 0x0028 #define DISP_REG_OVL_SRC_CON 0x002c #define DISP_REG_OVL_CON(n) (0x0030 + 0x20 * (n)) @@ -39,10 +40,28 @@ #define DISP_REG_OVL_PITCH_MSB(n) (0x0040 + 0x20 * (n)) #define OVL_PITCH_MSB_2ND_SUBBUF BIT(16) #define DISP_REG_OVL_PITCH(n) (0x0044 + 0x20 * (n)) +#define OVL_CONST_BLEND BIT(28) #define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n)) #define DISP_REG_OVL_ADDR_MT2701 0x0040 #define DISP_REG_OVL_CLRFMT_EXT 0x02D0 +#define DISP_REG_OVL_CLRFMT_EXT1 0x02D8 +#define OVL_CLRFMT_EXT1_CSC_EN(n) (1 << (((n) * 4) + 1)) +#define DISP_REG_OVL_Y2R_PARA_R0(n) (0x0134 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_RMY (GENMASK(14, 0)) +#define DISP_REG_OVL_Y2R_PARA_G0(n) (0x013c + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_GMU (GENMASK(30, 16)) +#define DISP_REG_OVL_Y2R_PARA_B1(n) (0x0148 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_BMV (GENMASK(14, 0)) +#define DISP_REG_OVL_Y2R_PARA_YUV_A_0(n) (0x014c + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_YA (GENMASK(10, 0)) +#define OVL_Y2R_PARA_C_CF_UA (GENMASK(26, 16)) +#define DISP_REG_OVL_Y2R_PARA_YUV_A_1(n) (0x0150 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_VA (GENMASK(10, 0)) +#define DISP_REG_OVL_Y2R_PRE_ADD2(n) (0x0154 + 0x28 * (n)) +#define DISP_REG_OVL_R2R_R0(n) (0x0500 + 0x40 * (n)) +#define DISP_REG_OVL_R2R_G1(n) (0x0510 + 0x40 * (n)) +#define DISP_REG_OVL_R2R_B2(n) (0x0520 + 0x40 * (n)) #define DISP_REG_OVL_ADDR_MT8173 0x0f40 #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) #define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x04) @@ -52,13 +71,19 @@ #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) #define GMC_THRESHOLD_LOW ((1 << GMC_THRESHOLD_BITS) / 8) -#define OVL_CON_BYTE_SWAP BIT(24) -#define OVL_CON_MTX_YUV_TO_RGB (6 << 16) -#define OVL_CON_CLRFMT_RGB (1 << 12) -#define OVL_CON_CLRFMT_RGBA8888 (2 << 12) -#define OVL_CON_CLRFMT_ARGB8888 (3 << 12) -#define OVL_CON_CLRFMT_UYVY (4 << 12) -#define OVL_CON_CLRFMT_YUYV (5 << 12) +#define OVL_CON_CLRFMT_MAN BIT(23) +#define OVL_CON_BYTE_SWAP BIT(24) +#define OVL_CON_RGB_SWAP BIT(25) +#define OVL_CON_MTX_AUTO_DIS BIT(26) +#define OVL_CON_MTX_EN BIT(27) +#define OVL_CON_CLRFMT_RGB (1 << 12) +#define OVL_CON_CLRFMT_RGBA8888 (2 << 12) +#define OVL_CON_CLRFMT_ARGB8888 (3 << 12) +#define OVL_CON_CLRFMT_PARGB8888 (OVL_CON_CLRFMT_ARGB8888 | OVL_CON_CLRFMT_MAN) +#define OVL_CON_CLRFMT_UYVY (4 << 12) +#define OVL_CON_CLRFMT_YUYV (5 << 12) +#define OVL_CON_MTX_YUV_TO_RGB (6 << 16) +#define OVL_CON_MTX_PROGRAMMABLE (8 << 16) #define OVL_CON_CLRFMT_RGB565(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ 0 : OVL_CON_CLRFMT_RGB) #define OVL_CON_CLRFMT_RGB888(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ @@ -72,6 +97,22 @@ #define OVL_CON_VIRT_FLIP BIT(9) #define OVL_CON_HORZ_FLIP BIT(10) +static inline bool is_10bit_rgb(u32 fmt) +{ + switch (fmt) { + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_RGBA1010102: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + case DRM_FORMAT_BGRX1010102: + case DRM_FORMAT_BGRA1010102: + return true; + } + return false; +} + static const u32 mt8173_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, @@ -89,12 +130,20 @@ static const u32 mt8173_formats[] = { static const u32 mt8195_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XRGB2101010, DRM_FORMAT_ARGB2101010, DRM_FORMAT_BGRX8888, DRM_FORMAT_BGRA8888, + DRM_FORMAT_BGRX1010102, DRM_FORMAT_BGRA1010102, DRM_FORMAT_ABGR8888, DRM_FORMAT_XBGR8888, + DRM_FORMAT_XBGR2101010, + DRM_FORMAT_ABGR2101010, + DRM_FORMAT_RGBX8888, + DRM_FORMAT_RGBA8888, + DRM_FORMAT_RGBX1010102, + DRM_FORMAT_RGBA1010102, DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, @@ -208,14 +257,19 @@ void mtk_ovl_clk_disable(struct device *dev) void mtk_ovl_start(struct device *dev) { struct mtk_disp_ovl *ovl = dev_get_drvdata(dev); + unsigned int reg = readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON); - if (ovl->data->smi_id_en) { - unsigned int reg; + if (ovl->data->smi_id_en) + reg |= OVL_LAYER_SMI_ID_EN; - reg = readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON); - reg = reg | OVL_LAYER_SMI_ID_EN; - writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); - } + /* + * clamp output to 10 bits per channel + * overflow and underflow usually happens when doing Y2R conversion + * this bit should be always enable to avoid this kind of situation + */ + reg |= OVL_OUTPUT_CLAMP; + + writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); writel_relaxed(0x1, ovl->regs + DISP_REG_OVL_EN); } @@ -254,9 +308,7 @@ static void mtk_ovl_set_bit_depth(struct device *dev, int idx, u32 format, reg = readl(ovl->regs + DISP_REG_OVL_CLRFMT_EXT); reg &= ~OVL_CON_CLRFMT_BIT_DEPTH_MASK(idx); - if (format == DRM_FORMAT_RGBA1010102 || - format == DRM_FORMAT_BGRA1010102 || - format == DRM_FORMAT_ARGB2101010) + if (is_10bit_rgb(format)) bit_depth = OVL_CON_CLRFMT_10_BIT; reg |= OVL_CON_CLRFMT_BIT_DEPTH(bit_depth, idx); @@ -274,7 +326,8 @@ void mtk_ovl_config(struct device *dev, unsigned int w, if (w != 0 && h != 0) mtk_ddp_write_relaxed(cmdq_pkt, h << 16 | w, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_ROI_SIZE); - mtk_ddp_write_relaxed(cmdq_pkt, 0x0, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_ROI_BGCLR); + mtk_ddp_write_relaxed(cmdq_pkt, 0xff000000, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_ROI_BGCLR); mtk_ddp_write(cmdq_pkt, 0x1, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_RST); mtk_ddp_write(cmdq_pkt, 0x0, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_RST); @@ -357,7 +410,8 @@ void mtk_ovl_layer_off(struct device *dev, unsigned int idx, DISP_REG_OVL_RDMA_CTRL(idx)); } -static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt) +static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt, + unsigned int blend_mode) { /* The return value in switch "MEM_MODE_INPUT_FORMAT_XXX" * is defined in mediatek HW data sheet. @@ -376,17 +430,37 @@ static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt) return OVL_CON_CLRFMT_RGB888(ovl) | OVL_CON_BYTE_SWAP; case DRM_FORMAT_RGBX8888: case DRM_FORMAT_RGBA8888: + return blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_ARGB8888 : + OVL_CON_CLRFMT_PARGB8888; + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_RGBA1010102: return OVL_CON_CLRFMT_ARGB8888; case DRM_FORMAT_BGRX8888: case DRM_FORMAT_BGRA8888: + return OVL_CON_BYTE_SWAP | + (blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_ARGB8888 : + OVL_CON_CLRFMT_PARGB8888); + case DRM_FORMAT_BGRX1010102: case DRM_FORMAT_BGRA1010102: return OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + return blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_RGBA8888 : + OVL_CON_CLRFMT_PARGB8888; + case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: return OVL_CON_CLRFMT_RGBA8888; case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: + return OVL_CON_RGB_SWAP | + (blend_mode == DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_RGBA8888 : + OVL_CON_CLRFMT_PARGB8888); + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: return OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_UYVY: return OVL_CON_CLRFMT_UYVY | OVL_CON_MTX_YUV_TO_RGB; @@ -408,6 +482,8 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, unsigned int fmt = pending->format; unsigned int offset = (pending->y << 16) | pending->x; unsigned int src_size = (pending->height << 16) | pending->width; + unsigned int blend_mode = state->base.pixel_blend_mode; + unsigned int ignore_pixel_alpha = 0; unsigned int con; bool is_afbc = pending->modifier != DRM_FORMAT_MOD_LINEAR; union overlay_pitch { @@ -420,14 +496,92 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, overlay_pitch.pitch = pitch; - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { mtk_ovl_layer_off(dev, idx, cmdq_pkt); return; } - con = ovl_fmt_convert(ovl, fmt); - if (state->base.fb && state->base.fb->format->has_alpha) - con |= OVL_CON_AEN | OVL_CON_ALPHA; + con = ovl_fmt_convert(ovl, fmt, blend_mode); + if (state->base.fb) { + con |= OVL_CON_AEN; + con |= state->base.alpha & 0xff; + } + + if (blend_mode == DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) + ignore_pixel_alpha = OVL_CONST_BLEND; + + /* need to do Y2R and R2R to reduce 10bit data to 8bit for CRC calculation */ + if (ovl->data->supports_clrfmt_ext) { + u32 y2r_coef = 0, y2r_offset = 0, r2r_coef = 0, csc_en = 0; + + if (is_10bit_rgb(fmt)) { + con |= OVL_CON_MTX_AUTO_DIS | OVL_CON_MTX_EN | OVL_CON_MTX_PROGRAMMABLE; + + /* + * Y2R coef setting + * bit 13 is 2^1, bit 12 is 2^0, bit 11 is 2^-1, + * bit 10 is 2^-2 = 0.25 + */ + y2r_coef = BIT(10); + + /* -1 in 10bit */ + y2r_offset = GENMASK(10, 0) - 1; + + /* + * R2R coef setting + * bit 19 is 2^1, bit 18 is 2^0, bit 17 is 2^-1, + * bit 20 is 2^2 = 4 + */ + r2r_coef = BIT(20); + + /* CSC_EN is for R2R */ + csc_en = OVL_CLRFMT_EXT1_CSC_EN(idx); + + /* + * 1. YUV input data - 1 and shift right for 2 bits to remove it + * [R'] [0.25 0 0] [Y in - 1] + * [G'] = [ 0 0.25 0] * [U in - 1] + * [B'] [ 0 0 0.25] [V in - 1] + * + * 2. shift left for 2 bit letting the last 2 bits become 0 + * [R out] [ 4 0 0] [R'] + * [G out] = [ 0 4 0] * [G'] + * [B out] [ 0 0 4] [B'] + */ + } + + mtk_ddp_write_mask(cmdq_pkt, y2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_R0(idx), + OVL_Y2R_PARA_C_CF_RMY); + mtk_ddp_write_mask(cmdq_pkt, (y2r_coef << 16), + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_G0(idx), + OVL_Y2R_PARA_C_CF_GMU); + mtk_ddp_write_mask(cmdq_pkt, y2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_B1(idx), + OVL_Y2R_PARA_C_CF_BMV); + + mtk_ddp_write_mask(cmdq_pkt, y2r_offset, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_0(idx), + OVL_Y2R_PARA_C_CF_YA); + mtk_ddp_write_mask(cmdq_pkt, (y2r_offset << 16), + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_0(idx), + OVL_Y2R_PARA_C_CF_UA); + mtk_ddp_write_mask(cmdq_pkt, y2r_offset, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_1(idx), + OVL_Y2R_PARA_C_CF_VA); + + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_R0(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_G1(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_B2(idx)); + + mtk_ddp_write_mask(cmdq_pkt, csc_en, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_CLRFMT_EXT1, + OVL_CLRFMT_EXT1_CSC_EN(idx)); + } if (pending->rotation & DRM_MODE_REFLECT_Y) { con |= OVL_CON_VIRT_FLIP; @@ -444,8 +598,8 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, mtk_ddp_write_relaxed(cmdq_pkt, con, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_CON(idx)); - mtk_ddp_write_relaxed(cmdq_pkt, overlay_pitch.split_pitch.lsb, &ovl->cmdq_reg, ovl->regs, - DISP_REG_OVL_PITCH(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, overlay_pitch.split_pitch.lsb | ignore_pixel_alpha, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH(idx)); mtk_ddp_write_relaxed(cmdq_pkt, src_size, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_SRC_SIZE(idx)); mtk_ddp_write_relaxed(cmdq_pkt, offset, &ovl->cmdq_reg, ovl->regs, From patchwork Tue Oct 17 06:47:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Sung X-Patchwork-Id: 734625 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD613156C6 for ; Tue, 17 Oct 2023 06:47:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="pSRqCRI9" Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB690F3; Mon, 16 Oct 2023 23:47:33 -0700 (PDT) X-UUID: 053b8bbe6cb911eea33bb35ae8d461a2-20231017 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; 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Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Chen-Yu Tsai , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 09/11] drm/mediatek: Support CRC in display driver Date: Tue, 17 Oct 2023 14:47:15 +0800 Message-ID: <20231017064717.21616-10-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Register CRC related function pointers to support CRC retrieval. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 261 +++++++++++++++++++- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 39 +++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 35 +++ 3 files changed, 332 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index c7edd80be428..c97dbbf32072 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -27,14 +27,30 @@ * struct mtk_drm_crtc - MediaTek specific crtc structure. * @base: crtc object. * @enabled: records whether crtc_enable succeeded + * @pending_needs_vblank: determine if we need to handle vblank event + * @event: the vblank event to handle * @planes: array of 4 drm_plane structures, one for each overlay plane + * @layer_nr: layer numbers that the crtc supports * @pending_planes: whether any plane has pending changes to be applied + * @pending_async_planes: if there is any pending async update + * @cmdq_client: a handler to control cmdq (mbox channel, thread ...etc.) + * @cmdq_handle: cmdq packet to store the commands + * @cmdq_event: cmdq event that the thread is waiting for + * @cmdq_vblank_cnt: vblank count that is dedicated for the cmdq thread + * @cb_blocking_queue: wait queue to determine if cmdq is blocked * @mmsys_dev: pointer to the mmsys device for configuration registers + * @dma_dev: pointer to the dma device (usually rdma) * @mutex: handle to one of the ten disp_mutex streams - * @ddp_comp_nr: number of components in ddp_comp + * @ddp_comp_nr_ori: number of the components excludes the route (origin) + * @max_ddp_comp_nr: maximum number of the components in routes + * @ddp_comp_nr: number of the components in the current path * @ddp_comp: array of pointers the mtk_ddp_comp structures used by this crtc - * - * TODO: Needs update: this header is missing a bunch of member descriptions. + * @conn_route_nr: number of the components in route + * @conn_routes: route to the connector + * @hw_lock: mutex lock to avoid race condition when layer config + * @config_updating: determine if the layer configuration is done + * @crc_provider: get crc provider of the crtc + * @frames: count the frames that are added to crc entry */ struct mtk_drm_crtc { struct drm_crtc base; @@ -70,6 +86,9 @@ struct mtk_drm_crtc { /* lock for display hardware access */ struct mutex hw_lock; bool config_updating; + + struct mtk_ddp_comp *crc_provider; + unsigned int frames; }; struct mtk_crtc_state { @@ -613,6 +632,14 @@ static void mtk_crtc_ddp_irq(void *data) struct drm_crtc *crtc = data; struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); struct mtk_drm_private *priv = crtc->dev->dev_private; + struct mtk_ddp_comp *comp = mtk_crtc->crc_provider; + + /* + * crc providers should make sure the crc is always correct + * by resetting it in .crc_read() + */ + if (crtc->crc.opened) + comp->funcs->crc_read(comp->dev); #if IS_REACHABLE(CONFIG_MTK_CMDQ) if (!priv->data->shadow_register && !mtk_crtc->cmdq_client.chan) @@ -624,6 +651,24 @@ static void mtk_crtc_ddp_irq(void *data) if (!priv->data->shadow_register) mtk_crtc_ddp_config(crtc, NULL); #endif + + /* + * drm_crtc_add_crc_entry() could take more than 50ms to finish + * put it at the end of the isr + */ + if (crtc->crc.opened) { + /* + * skip the first crc because the first frame is configured by + * mtk_crtc_ddp_hw_init() when atomic enable + */ + if (++mtk_crtc->frames > 1) { + drm_crtc_add_crc_entry(crtc, true, + drm_crtc_vblank_count(crtc), + comp->funcs->crc_entry(comp->dev)); + } + } else { + mtk_crtc->frames = 0; + } mtk_drm_finish_page_flip(mtk_crtc); } @@ -724,6 +769,40 @@ static int mtk_drm_crtc_update_output(struct drm_crtc *crtc, return 0; } +static int mtk_drm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src) +{ + if (src && strcmp(src, "auto") != 0) { + DRM_ERROR("%s(crtc-%d): unknown source '%s'\n", + __func__, drm_crtc_index(crtc), src); + return -EINVAL; + } + return 0; +} + +static int mtk_drm_crtc_verify_crc_source(struct drm_crtc *crtc, + const char *src, + size_t *cnt) +{ + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + struct mtk_ddp_comp *comp = mtk_crtc->crc_provider; + + if (!comp) { + DRM_ERROR("%s(crtc-%d): no crc provider\n", + __func__, drm_crtc_index(crtc)); + return -ENOENT; + } + + if (src && strcmp(src, "auto") != 0) { + DRM_ERROR("%s(crtc-%d): unknown source '%s'\n", + __func__, drm_crtc_index(crtc), src); + return -EINVAL; + } + + *cnt = comp->funcs->crc_cnt(comp->dev); + + return 0; +} + int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, struct mtk_plane_state *state) { @@ -860,6 +939,8 @@ static const struct drm_crtc_funcs mtk_crtc_funcs = { .atomic_destroy_state = mtk_drm_crtc_destroy_state, .enable_vblank = mtk_drm_crtc_enable_vblank, .disable_vblank = mtk_drm_crtc_disable_vblank, + .set_crc_source = mtk_drm_crtc_set_crc_source, + .verify_crc_source = mtk_drm_crtc_verify_crc_source, }; static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs = { @@ -1061,6 +1142,11 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (comp->funcs->ctm_set) has_ctm = true; + + if (comp->funcs->crc_cnt && + comp->funcs->crc_entry && + comp->funcs->crc_read) + mtk_crtc->crc_provider = comp; } mtk_ddp_comp_register_vblank_cb(comp, mtk_crtc_ddp_irq, @@ -1140,3 +1226,172 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, #endif return 0; } + +void mtk_drm_crc_init(struct mtk_drm_crc *crc, + const u32 *crc_offset_table, size_t crc_count, + u32 reset_offset, u32 reset_mask) +{ + crc->ofs = crc_offset_table; + crc->cnt = crc_count; + crc->rst_ofs = reset_offset; + crc->rst_msk = reset_mask; + crc->va = kcalloc(crc->cnt, sizeof(*crc->va), GFP_KERNEL); + if (!crc->va) { + DRM_ERROR("failed to allocate memory for crc\n"); + crc->cnt = 0; + } +} + +void mtk_drm_crc_read(struct mtk_drm_crc *crc, void __iomem *reg) +{ + if (!crc->cnt || !crc->ofs || !crc->va) + return; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + /* sync to see the most up-to-date copy of the DMA buffer */ + dma_sync_single_for_cpu(crc->cmdq_client.chan->mbox->dev, + crc->pa, crc->cnt * sizeof(*crc->va), + DMA_FROM_DEVICE); +#else + /* read crc with cpu for the platforms without cmdq */ + { + u32 n; + + for (n = 0; n < crc->cnt; n++) + crc->va[n] = readl(reg + crc->ofs[n]); + + n = readl(reg + crc->rst_ofs); + + /* pull reset bit */ + n |= crc->rst_msk; + writel(n, reg + crc->rst_ofs); + + /* release reset bit */ + n &= ~crc->rst_msk; + writel(n, reg + crc->rst_ofs); + } +#endif +} + +void mtk_drm_crc_destroy(struct mtk_drm_crc *crc) +{ + if (!crc->cnt) + return; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + if (crc->pa) { + dma_unmap_single(crc->cmdq_client.chan->mbox->dev, + crc->pa, crc->cnt * sizeof(*crc->va), + DMA_TO_DEVICE); + crc->pa = 0; + } + if (crc->cmdq_client.chan) { + mtk_drm_cmdq_pkt_destroy(&crc->cmdq_handle); + mbox_free_channel(crc->cmdq_client.chan); + crc->cmdq_client.chan = NULL; + } +#endif + kfree(crc->va); + crc->va = NULL; + crc->cnt = 0; +} + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +void mtk_drm_crc_cmdq_create(struct device *dev, struct mtk_drm_crc *crc) +{ + int i; + + if (!crc->cnt) { + dev_warn(dev, "%s: not support\n", __func__); + goto cleanup; + } + + if (!crc->ofs) { + dev_warn(dev, "%s: not defined\n", __func__); + goto cleanup; + } + + crc->cmdq_client.client.dev = dev; + crc->cmdq_client.client.tx_block = false; + crc->cmdq_client.client.knows_txdone = true; + crc->cmdq_client.client.rx_callback = NULL; + crc->cmdq_client.chan = mbox_request_channel(&crc->cmdq_client.client, 0); + if (IS_ERR(crc->cmdq_client.chan)) { + dev_warn(dev, "%s: failed to create mailbox client\n", __func__); + crc->cmdq_client.chan = NULL; + goto cleanup; + } + + if (mtk_drm_cmdq_pkt_create(&crc->cmdq_client, &crc->cmdq_handle, PAGE_SIZE)) { + dev_warn(dev, "%s: failed to create cmdq packet\n", __func__); + goto cleanup; + } + + if (!crc->va) { + dev_warn(dev, "%s: no memory\n", __func__); + goto cleanup; + } + + /* map the entry to get a dma address for cmdq to store the crc */ + crc->pa = dma_map_single(crc->cmdq_client.chan->mbox->dev, + crc->va, crc->cnt * sizeof(*crc->va), + DMA_FROM_DEVICE); + + if (dma_mapping_error(crc->cmdq_client.chan->mbox->dev, crc->pa)) { + dev_err(dev, "%s: failed to map dma\n", __func__); + goto cleanup; + } + + if (crc->cmdq_event) + cmdq_pkt_wfe(&crc->cmdq_handle, crc->cmdq_event, true); + + for (i = 0; i < crc->cnt; i++) { + /* put crc to spr1 register */ + cmdq_pkt_read_s(&crc->cmdq_handle, crc->cmdq_reg->subsys, + crc->cmdq_reg->offset + crc->ofs[i], + CMDQ_THR_SPR_IDX1); + + /* copy spr1 register to physical address of the crc */ + cmdq_pkt_assign(&crc->cmdq_handle, CMDQ_THR_SPR_IDX0, + CMDQ_ADDR_HIGH(crc->pa + i * sizeof(*crc->va))); + cmdq_pkt_write_s(&crc->cmdq_handle, CMDQ_THR_SPR_IDX0, + CMDQ_ADDR_LOW(crc->pa + i * sizeof(*crc->va)), + CMDQ_THR_SPR_IDX1); + } + /* reset crc */ + mtk_ddp_write_mask(&crc->cmdq_handle, ~0, crc->cmdq_reg, 0, + crc->rst_ofs, crc->rst_msk); + + /* clear reset bit */ + mtk_ddp_write_mask(&crc->cmdq_handle, 0, crc->cmdq_reg, 0, + crc->rst_ofs, crc->rst_msk); + + /* jump to head of the cmdq packet */ + cmdq_pkt_jump(&crc->cmdq_handle, crc->cmdq_handle.pa_base); + + return; +cleanup: + mtk_drm_crc_destroy(crc); +} + +void mtk_drm_crc_cmdq_start(struct mtk_drm_crc *crc) +{ + if (!crc->cmdq_client.chan) + return; + + dma_sync_single_for_device(crc->cmdq_client.chan->mbox->dev, + crc->cmdq_handle.pa_base, + crc->cmdq_handle.cmd_buf_size, + DMA_TO_DEVICE); + mbox_send_message(crc->cmdq_client.chan, &crc->cmdq_handle); + mbox_client_txdone(crc->cmdq_client.chan, 0); +} + +void mtk_drm_crc_cmdq_stop(struct mtk_drm_crc *crc) +{ + if (!crc->cmdq_client.chan) + return; + + mbox_flush(crc->cmdq_client.chan, 2000); +} +#endif diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index 96790f8f7a94..3440c154ad1e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -15,6 +15,45 @@ #define MTK_MAX_BPC 10 #define MTK_MIN_BPC 3 +/** + * struct mtk_drm_crc - crc related information + * @ofs: register offset of crc + * @rst_ofs: register offset of crc reset + * @rst_msk: register mask of crc reset + * @cnt: count of crc + * @va: pointer to the start of crc array + * @pa: physical address of the crc for gce to access + * @cmdq_event: the event to trigger the cmdq + * @cmdq_reg: address of the register that cmdq is going to access + * @cmdq_client: handler to control cmdq (mbox channel, thread ...etc.) + * @cmdq_handle: cmdq packet to store the commands + */ +struct mtk_drm_crc { + const u32 *ofs; + u32 rst_ofs; + u32 rst_msk; + size_t cnt; + u32 *va; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + dma_addr_t pa; + u32 cmdq_event; + struct cmdq_client_reg *cmdq_reg; + struct cmdq_client cmdq_client; + struct cmdq_pkt cmdq_handle; +#endif +}; + +void mtk_drm_crc_init(struct mtk_drm_crc *crc, + const u32 *crc_offset_table, size_t crc_count, + u32 reset_offset, u32 reset_mask); +void mtk_drm_crc_read(struct mtk_drm_crc *crc, void __iomem *reg); +void mtk_drm_crc_destroy(struct mtk_drm_crc *crc); +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +void mtk_drm_crc_cmdq_create(struct device *dev, struct mtk_drm_crc *crc); +void mtk_drm_crc_cmdq_start(struct mtk_drm_crc *crc); +void mtk_drm_crc_cmdq_stop(struct mtk_drm_crc *crc); +#endif + void mtk_drm_crtc_commit(struct drm_crtc *crtc); int mtk_drm_crtc_create(struct drm_device *drm_dev, const unsigned int *path, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 2597dd7ac0d2..af80c9e50d36 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -46,6 +46,38 @@ enum mtk_ddp_comp_type { struct mtk_ddp_comp; struct cmdq_pkt; + +/* struct mtk_ddp_comp_funcs - function pointers of the ddp components + * @clk_enable: enable the clocks of the component + * @clk_disable: disable the clocks of the component + * @config: configure the component + * @start: start (enable) the component + * @stop: stop (disable) the component + * @register_vblank_cb: to register a callback function when vblank irq occurs + * @unregister_vblank_cb: to unregister the callback function from the vblank irq + * @enable_vblank: enable vblank irq + * @disable_vblank: disable vblank irq + * @supported_rotations: return rotation capability of the component + * @layer_nr: how many layers the component supports + * @layer_check: to check if the state of the layer is valid for the component + * @layer_config: to configure the component according to the state of the layer + * @gamma_set: to set gamma for the component + * @bgclr_in_on: turn on background color + * @bgclr_in_off: turn off background color + * @ctm_set: set color transformation matrix + * @dma_dev_get: return the device that uses direct memory access + * @get_formats: get the format that is currently in use by the component + * @get_num_formats: get number of the formats that the component supports + * @connect: connect the sub modules of the component + * @disconnect: disconnect the sub modules of the component + * @add: add the device to the component (mount them in the mutex) + * @remove: remove the device from the component (unmount them from the mutex) + * @encoder_index: get the encoder index of the component + * @crc: return the start of crc array + * @crc_cnt: how many CRCs the component supports + * @crc_entry: get the pointer to the crc entry + * @crc_read: call this function to read crc from the hardware component + */ struct mtk_ddp_comp_funcs { int (*power_on)(struct device *dev); void (*power_off)(struct device *dev); @@ -84,6 +116,9 @@ struct mtk_ddp_comp_funcs { void (*add)(struct device *dev, struct mtk_mutex *mutex); void (*remove)(struct device *dev, struct mtk_mutex *mutex); int (*encoder_index)(struct device *dev); + size_t (*crc_cnt)(struct device *dev); + u32 *(*crc_entry)(struct device *dev); + void (*crc_read)(struct device *dev); }; struct mtk_ddp_comp {