From patchwork Fri Jul 28 01:26:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paloma Arellano X-Patchwork-Id: 707604 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BCFFC001DC for ; Fri, 28 Jul 2023 01:26:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230269AbjG1B0v (ORCPT ); Thu, 27 Jul 2023 21:26:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229719AbjG1B0u (ORCPT ); Thu, 27 Jul 2023 21:26:50 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A11E3580 for ; Thu, 27 Jul 2023 18:26:49 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36S18fwU029674; Fri, 28 Jul 2023 01:26:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=rqxlredsJljdATZS+d+V6fisQlDqVYemyYL2cjd1oTA=; b=RVtd5aRxPdrE30MPD7kJxL/4M11qiSbVlo3qMZHS1uwidBLdE9SIWs5DbFah+o6mg8Q/ ua9s5LwYcREvJHDxqK8b18fde0R1EQlq7GC296fRmmsWNw8etngYGiloOVre3hfr+/J9 McjXYSGjx1w7hsWkVq5JkWc3iuoM4gZN5ILr18T3xz0DAVODR+x0kZFipvv1t8Oc9EuY lARst51xaL9p3A8OT6+tDOZurfry81bgHmi8FSRTJar+oEvNbbttJBwWvoO8ILjb6Y5m r4uc/srppHM7juld6lJIpCD8ZUYqv1Cu9TxhtgD7iZV01NY9EBQkzt7KmgNCsdBHK9ZJ qw== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s403vgbte-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jul 2023 01:26:38 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36S1QbIG004989 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jul 2023 01:26:37 GMT Received: from hu-parellan-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 27 Jul 2023 18:26:36 -0700 From: Paloma Arellano To: , , , CC: Paloma Arellano , , , , , , , , , , Subject: [PATCH v2] drm/panel: Enable DSC and CMD mode for Visionox VTDR6130 panel Date: Thu, 27 Jul 2023 18:26:21 -0700 Message-ID: <20230728012623.22991-1-quic_parellan@quicinc.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Zb6XWpmL5bImyASv3HtE6iQuTsMBd_cK X-Proofpoint-ORIG-GUID: Zb6XWpmL5bImyASv3HtE6iQuTsMBd_cK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-27_10,2023-07-26_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 suspectscore=0 priorityscore=1501 adultscore=0 impostorscore=0 phishscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307280011 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Enable display compression (DSC v1.2) and CMD mode for 1080x2400 Visionox VTDR6130 AMOLED DSI panel. In addition, this patch will set the default to command mode with DSC enabled. Note: This patch has only been validated DSC over command mode as DSC over video mode has never been validated for the MSM driver before. Depends on: "Add prepare_prev_first flag to Visionox VTDR6130" [1] Changes since v1: - Changed from email address [1] https://patchwork.freedesktop.org/series/121337/ Suggested-by: Jessica Zhang Signed-off-by: Paloma Arellano --- .../gpu/drm/panel/panel-visionox-vtdr6130.c | 77 ++++++++++++++++++- 1 file changed, 73 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c index e1363e128e7e..5658d39a3a6b 100644 --- a/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c +++ b/drivers/gpu/drm/panel/panel-visionox-vtdr6130.c @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -20,7 +21,8 @@ struct visionox_vtdr6130 { struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[3]; - bool prepared; + bool prepared, enabled; + bool video_mode; }; static inline struct visionox_vtdr6130 *to_visionox_vtdr6130(struct drm_panel *panel) @@ -50,12 +52,18 @@ static int visionox_vtdr6130_on(struct visionox_vtdr6130 *ctx) if (ret) return ret; + mipi_dsi_dcs_write_seq(dsi, 0x03, 0x01); mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20); mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x59, 0x09); mipi_dsi_dcs_write_seq(dsi, 0x6c, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x6d, 0x00); - mipi_dsi_dcs_write_seq(dsi, 0x6f, 0x01); + + if (ctx->video_mode) + mipi_dsi_dcs_write_seq(dsi, 0x6f, 0x01); + else + mipi_dsi_dcs_write_seq(dsi, 0x6f, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0x70, 0x12, 0x00, 0x00, 0xab, 0x30, 0x80, 0x09, 0x60, 0x04, 0x38, 0x00, 0x28, 0x02, 0x1c, 0x02, 0x1c, 0x02, 0x00, @@ -214,6 +222,42 @@ static const struct drm_display_mode visionox_vtdr6130_mode = { .height_mm = 157, }; +static int visionox_vtdr6130_enable(struct drm_panel *panel) +{ + struct visionox_vtdr6130 *ctx = to_visionox_vtdr6130(panel); + struct mipi_dsi_device *dsi = ctx->dsi; + struct drm_dsc_picture_parameter_set pps; + int ret; + + if (ctx->enabled) + return 0; + + if (!dsi->dsc) { + dev_err(&dsi->dev, "DSC not attached to DSI\n"); + return -ENODEV; + } + + drm_dsc_pps_payload_pack(&pps, dsi->dsc); + ret = mipi_dsi_picture_parameter_set(dsi, &pps); + if (ret) { + dev_err(&dsi->dev, "Failed to set PPS\n"); + return ret; + } + + ctx->enabled = true; + + return 0; +} + +static int visionox_vtdr6130_disable(struct drm_panel *panel) +{ + struct visionox_vtdr6130 *ctx = to_visionox_vtdr6130(panel); + + ctx->enabled = false; + + return 0; +} + static int visionox_vtdr6130_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -237,6 +281,8 @@ static const struct drm_panel_funcs visionox_vtdr6130_panel_funcs = { .prepare = visionox_vtdr6130_prepare, .unprepare = visionox_vtdr6130_unprepare, .get_modes = visionox_vtdr6130_get_modes, + .enable = visionox_vtdr6130_enable, + .disable = visionox_vtdr6130_disable, }; static int visionox_vtdr6130_bl_update_status(struct backlight_device *bl) @@ -269,11 +315,31 @@ static int visionox_vtdr6130_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct visionox_vtdr6130 *ctx; + struct drm_dsc_config *dsc; int ret; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; + + ctx->video_mode = of_property_read_bool(dev->of_node, "enforce-video-mode"); + + dsc = devm_kzalloc(dev, sizeof(*dsc), GFP_KERNEL); + if (!dsc) + return -ENOMEM; + + /* Set DSC params */ + dsc->dsc_version_major = 0x1; + dsc->dsc_version_minor = 0x2; + + dsc->slice_height = 40; + dsc->slice_width = 540; + dsc->slice_count = 2; + dsc->bits_per_component = 8; + dsc->bits_per_pixel = 8 << 4; + dsc->block_pred_enable = true; + + dsi->dsc = dsc; ctx->supplies[0].supply = "vddio"; ctx->supplies[1].supply = "vci"; @@ -294,8 +360,11 @@ static int visionox_vtdr6130_probe(struct mipi_dsi_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_NO_EOT_PACKET | - MIPI_DSI_CLOCK_NON_CONTINUOUS; + + dsi->mode_flags = MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_CLOCK_NON_CONTINUOUS; + if (ctx->video_mode) + dsi->mode_flags |= MIPI_DSI_MODE_VIDEO; + ctx->panel.prepare_prev_first = true; drm_panel_init(&ctx->panel, dev, &visionox_vtdr6130_panel_funcs,