From patchwork Thu Nov 9 21:50:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 742935 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 4864D38DEE for ; Thu, 9 Nov 2023 21:50:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OQwysFs2" Received: from mail-oa1-x2b.google.com (mail-oa1-x2b.google.com [IPv6:2001:4860:4864:20::2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C31DF420B for ; Thu, 9 Nov 2023 13:50:16 -0800 (PST) Received: by mail-oa1-x2b.google.com with SMTP id 586e51a60fabf-1f084cb8b54so820629fac.1 for ; Thu, 09 Nov 2023 13:50:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1699566616; x=1700171416; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JZXYYoZ9YXR8OaFb0rqU8J6WjFq3wVUlkQ9dvWsztWg=; b=OQwysFs2ManiWSQUarZDr0NceOywV2HEkC02fglT6ypfwFwvZpCixKBD8D1zXr2hvn OivOBhbnix2wj2DfwFro18X4uqLwNjkrXw3ujq0bVXF5UhJsHreYwwXNHvnRepm3QkBl IL/p/wi3ckjTA/cpeT1uKOSxzboPMtgu6/6Fi5QKUB2IerZ7ZLdywR88p5+1oNtL5+wP zdGlnYSdO19geQW5mFDPPiUx81oKf9i3lOIMDI/9zrxIazStj21DnattA7My3rN9M/20 0u9MARwCR/7qQq8phdwbsjw++0HtrR6BsAkIwD9bGJCflJIAFEuIhCwZBnaIzuSgHZl8 W+uA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699566616; x=1700171416; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JZXYYoZ9YXR8OaFb0rqU8J6WjFq3wVUlkQ9dvWsztWg=; b=Sro3aYtmvWm3g8mZ5bGBmwDA21b0yTgZonX0y7UwYEc6CqHIBdz4LsdZye2wVh7kmb 2eGYtQ+9DognuuW9z9ebB6hEHlTmDHX5jHULXrxZnWJEvYzIqiO3Wz3ctZbwghb376+7 HmTgoDUOhHFo9ejiWLRbGC9HPo0RgzWSCAp89dV5jlaxmoxcvZu+7nZgll9qq6Lds5Tf VhNPIhA9K2lwGMh8H7HdfpC367Zh2kw3SO/0B7nAzZe6LC/7gFDP1qSPYvuk4n32qJ8i uyDBor43/tWx4AU+w+XLHX+wkmVikhUSO0+DityVtcnG66Cc0kcT5jEE4uYSlYd3OY4F yKzQ== X-Gm-Message-State: AOJu0YwBlyS9ICZijz3vnSr7Cqx7pVQQoo+wTQ7y8wlnO7cSb4ZoBkuH XDymIeEPYBoWWfIwhWiAE3g= X-Google-Smtp-Source: AGHT+IEtAOh2Ri8u8l/d3qukxgFDNHa7aYcFKcebfV58wRHC8Ih0NADj5oYrY2SJCPHCMy77yPkxmQ== X-Received: by 2002:a05:6870:9193:b0:1ea:4338:209d with SMTP id b19-20020a056870919300b001ea4338209dmr6168405oaf.31.1699566616026; Thu, 09 Nov 2023 13:50:16 -0800 (PST) Received: from localhost.localdomain ([75.28.21.198]) by smtp.gmail.com with ESMTPSA id tp22-20020a0568718b9600b001d4d8efa7f9sm864003oab.4.2023.11.09.13.50.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Nov 2023 13:50:15 -0800 (PST) From: Chris Morgan To: linux-rockchip@lists.infradead.org Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, sebastian.reichel@collabora.com, daniel@ffwll.ch, airlied@gmail.com, sam@ravnborg.org, neil.armstrong@linaro.org, heiko@sntech.de, conor+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, Chris Morgan Subject: [PATCH V2 2/4] nv3051d: Add Powkiddy RK2023 Panel Support Date: Thu, 9 Nov 2023 15:50:05 -0600 Message-Id: <20231109215007.66826-3-macroalpha82@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231109215007.66826-1-macroalpha82@gmail.com> References: <20231109215007.66826-1-macroalpha82@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chris Morgan Refactor the driver to add support for the powkiddy,rk2023-panel panel. This panel is extremely similar to the rg353p-panel but requires a smaller vertical back porch and isn't as tolerant of higher speeds. Note that while all of these panels are identical in size (70x57) it is possible future panels may not be. Tested on my RG351V, RG353P, RG353V, and RK2023. Signed-off-by: Chris Morgan --- .../gpu/drm/panel/panel-newvision-nv3051d.c | 57 +++++++++++++++---- 1 file changed, 46 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c index 79de6c886292..94d89ffd596b 100644 --- a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c +++ b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c @@ -28,6 +28,7 @@ struct nv3051d_panel_info { unsigned int num_modes; u16 width_mm, height_mm; u32 bus_flags; + u32 mode_flags; }; struct panel_nv3051d { @@ -261,6 +262,8 @@ static int panel_nv3051d_unprepare(struct drm_panel *panel) usleep_range(10000, 15000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_disable(ctx->vdd); return 0; @@ -385,15 +388,7 @@ static int panel_nv3051d_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_VIDEO_BURST | - MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET; - - /* - * The panel in the RG351V is identical to the 353P, except it - * requires MIPI_DSI_CLOCK_NON_CONTINUOUS to operate correctly. - */ - if (of_device_is_compatible(dev->of_node, "anbernic,rg351v-panel")) - dsi->mode_flags |= MIPI_DSI_CLOCK_NON_CONTINUOUS; + dsi->mode_flags = ctx->panel_info->mode_flags; drm_panel_init(&ctx->panel, &dsi->dev, &panel_nv3051d_funcs, DRM_MODE_CONNECTOR_DSI); @@ -481,16 +476,56 @@ static const struct drm_display_mode nv3051d_rgxx3_modes[] = { }, }; -static const struct nv3051d_panel_info nv3051d_rgxx3_info = { +static const struct drm_display_mode nv3051d_rk2023_modes[] = { + { + .hdisplay = 640, + .hsync_start = 640 + 40, + .hsync_end = 640 + 40 + 2, + .htotal = 640 + 40 + 2 + 80, + .vdisplay = 480, + .vsync_start = 480 + 18, + .vsync_end = 480 + 18 + 2, + .vtotal = 480 + 18 + 2 + 4, + .clock = 24150, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, +}; + +static const struct nv3051d_panel_info nv3051d_rg351v_info = { .display_modes = nv3051d_rgxx3_modes, .num_modes = ARRAY_SIZE(nv3051d_rgxx3_modes), .width_mm = 70, .height_mm = 57, .bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS, +}; + +static const struct nv3051d_panel_info nv3051d_rg353p_info = { + .display_modes = nv3051d_rgxx3_modes, + .num_modes = ARRAY_SIZE(nv3051d_rgxx3_modes), + .width_mm = 70, + .height_mm = 57, + .bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, +}; + +static const struct nv3051d_panel_info nv3051d_rk2023_info = { + .display_modes = nv3051d_rk2023_modes, + .num_modes = ARRAY_SIZE(nv3051d_rk2023_modes), + .width_mm = 70, + .height_mm = 57, + .bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, }; static const struct of_device_id newvision_nv3051d_of_match[] = { - { .compatible = "newvision,nv3051d", .data = &nv3051d_rgxx3_info }, + { .compatible = "anbernic,rg351v-panel", .data = &nv3051d_rg351v_info }, + { .compatible = "anbernic,rg353p-panel", .data = &nv3051d_rg353p_info }, + { .compatible = "powkiddy,rk2023-panel", .data = &nv3051d_rk2023_info }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, newvision_nv3051d_of_match);