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[209.85.220.41]) by mx.google.com with SMTPS id iy4-20020a170903130400b00189b50a0598sor1000623plb.179.2022.12.09.07.24.46 for (Google Transport Security); Fri, 09 Dec 2022 07:24:46 -0800 (PST) Received-SPF: pass (google.com: domain of jagan@amarulasolutions.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:a17:902:a9c6:b0:189:e7e:7843 with SMTP id b6-20020a170902a9c600b001890e7e7843mr5805033plr.32.1670599486009; Fri, 09 Dec 2022 07:24:46 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a809:6ba1:bbda:c542:ba0b]) by smtp.gmail.com with ESMTPSA id x14-20020a170902ec8e00b00188c5f0f9e9sm1477587plg.199.2022.12.09.07.24.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Dec 2022 07:24:45 -0800 (PST) From: Jagan Teki To: Andrzej Hajda , Inki Dae , Marek Szyprowski , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Frieder Schrempf , Fancy Fang , Tim Harvey , Michael Nazzareno Trimarchi , Adam Ford , Neil Armstrong , Robert Foss , Laurent Pinchart , Tommaso Merciai , Marek Vasut Cc: Matteo Lisi , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, NXP Linux Team , linux-amarula , Jagan Teki Subject: [PATCH v9 01/18] drm: panel: Enable prepare_prev_first flag for samsung-s6e panels Date: Fri, 9 Dec 2022 20:53:26 +0530 Message-Id: <20221209152343.180139-2-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221209152343.180139-1-jagan@amarulasolutions.com> References: <20221209152343.180139-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Original-Sender: jagan@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=g1b6XAl8; spf=pass (google.com: domain of jagan@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=jagan@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Enable the drm panel prepare_prev_first flag so-that the previous controller should be prepared first before the prepare for the panel is called.     samsung-s6e3ha2, samsung-s6e63j0x03 and samsung-s6e8aa0 are the effected samsung-s6e panels for this change.     This makes sure that the previous controller, likely to be a DSI host controller should be initialized to LP-11 before the panel is powered up. Signed-off-by: Marek Szyprowski Signed-off-by: Jagan Teki --- Changes for v9: - new patch drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c | 1 + drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c | 1 + drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c index 5c621b15e84c..1355b2c27932 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c @@ -731,6 +731,7 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; drm_panel_add(&ctx->panel); diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c index e06fd35de814..3223a9d06a50 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c @@ -462,6 +462,7 @@ static int s6e63j0x03_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e63j0x03_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; ctx->bl_dev = backlight_device_register("s6e63j0x03", dev, ctx, &s6e63j0x03_bl_ops, NULL); diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c index 54213beafaf5..362eb10f10ce 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c @@ -1018,6 +1018,7 @@ static int s6e8aa0_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e8aa0_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; drm_panel_add(&ctx->panel);