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[83.9.30.99]) by smtp.gmail.com with ESMTPSA id 2-20020a2eb282000000b002a76b9e4058sm2235785ljx.43.2023.04.17.07.39.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 07:39:13 -0700 (PDT) From: Konrad Dybcio Date: Mon, 17 Apr 2023 16:39:05 +0200 Subject: [PATCH v3 3/4] drm/panel: nt36523: Get orientation from OF MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20230412-topic-lenovopanel-v3-3-bcf9ba4de46f@linaro.org> References: <20230412-topic-lenovopanel-v3-0-bcf9ba4de46f@linaro.org> In-Reply-To: <20230412-topic-lenovopanel-v3-0-bcf9ba4de46f@linaro.org> To: Jianhua Lu , Neil Armstrong , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski Cc: Marijn Suijten , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Linus Walleij X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1681742347; l=2068; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=pdWLeHccDvo0CLmZJATdV9aHqMgeBmhMVIeYiCuYKCc=; b=LUrTUaEn8X0twowhoCQRfIeIIMED6UchNvHwT4QrNhD6Vj+l42sWFzkIdE1jAYJGhdjTiiovJuiA fxUs8DR1CFaJIdN88iO7ynlRGQvMKmRLweI9zyKkaTC4X63lPAm7 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some bright vendors mount their display panels upside down. Add the required pieces to allow for accounting for that. Reviewed-by: Linus Walleij Reviewed-by: Jianhua Lu Signed-off-by: Konrad Dybcio --- drivers/gpu/drm/panel/panel-novatek-nt36523.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c index b0466abae812..2c5712ac3037 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c @@ -31,6 +31,7 @@ struct panel_info { struct drm_panel panel; struct mipi_dsi_device *dsi[2]; const struct panel_desc *desc; + enum drm_panel_orientation orientation; struct gpio_desc *reset_gpio; struct backlight_device *backlight; @@ -674,11 +675,19 @@ static int nt36523_get_modes(struct drm_panel *panel, return pinfo->desc->num_modes; } +static enum drm_panel_orientation nt36523_get_orientation(struct drm_panel *panel) +{ + struct panel_info *pinfo = to_panel_info(panel); + + return pinfo->orientation; +} + static const struct drm_panel_funcs nt36523_panel_funcs = { .disable = nt36523_disable, .prepare = nt36523_prepare, .unprepare = nt36523_unprepare, .get_modes = nt36523_get_modes, + .get_orientation = nt36523_get_orientation, }; static int nt36523_bl_update_status(struct backlight_device *bl) @@ -785,6 +794,12 @@ static int nt36523_probe(struct mipi_dsi_device *dsi) mipi_dsi_set_drvdata(dsi, pinfo); drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = of_drm_get_panel_orientation(dev->of_node, &pinfo->orientation); + if (ret < 0) { + dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret); + return ret; + } + if (pinfo->desc->has_dcs_backlight) { pinfo->panel.backlight = nt36523_create_backlight(dsi); if (IS_ERR(pinfo->panel.backlight)) -- 2.40.0