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From: Javier Martinez Canillas <javierm@redhat.com>
To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Cc: Thierry Reding <thierry.reding@gmail.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Javier Martinez Canillas <javierm@redhat.com>
Subject: [PATCH 28/60] drm/panel: ilitek-ili9341: Add support for the nomodeset kernel parameter
Date: Wed, 15 Dec 2021 01:59:36 +0100	[thread overview]
Message-ID: <20211215010008.2545520-29-javierm@redhat.com> (raw)
In-Reply-To: <20211215010008.2545520-1-javierm@redhat.com>

According to disable Documentation/admin-guide/kernel-parameters.txt, this
parameter can be used to disable kernel modesetting.

DRM drivers will not perform display-mode changes or accelerated rendering
and only the systewm system framebuffer will be available if it was set-up.

But only a few DRM drivers currently check for nomodeset, make this driver
to also support the command line parameter.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---

 drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
index 2c3378a259b1..707c5a7bf256 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
@@ -611,6 +611,9 @@ static int ili9341_dbi_probe(struct spi_device *spi, struct gpio_desc *dc,
 	u32 rotation = 0;
 	int ret;
 
+	if (drm_firmware_drivers_only())
+		return -ENODEV;
+
 	vcc = devm_regulator_get_optional(dev, "vcc");
 	if (IS_ERR(vcc))
 		dev_err(dev, "get optional vcc failed\n");
-- 
2.33.1


  parent reply	other threads:[~2021-12-15  1:02 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-15  0:59 [PATCH 00/60] drm: Make all drivers to honour the nomodeset parameter Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 01/60] drm/komeda: Add support for the nomodeset kernel parameter Javier Martinez Canillas
2022-01-24 17:09   ` Carsten Haitzler
2021-12-15  0:59 ` [PATCH 02/60] drm/arm/hdlcd: " Javier Martinez Canillas
2022-01-24 17:09   ` Carsten Haitzler
2021-12-15  0:59 ` [PATCH 03/60] drm/malidp: " Javier Martinez Canillas
2022-01-24 17:09   ` Carsten Haitzler
2021-12-15  0:59 ` [PATCH 04/60] drm/armada: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 05/60] drm/aspeed: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 06/60] drm/atmel-hlcdc: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 07/60] drm/etnaviv: " Javier Martinez Canillas
2021-12-15  9:18   ` Lucas Stach
2021-12-15  9:39     ` Thomas Zimmermann
2021-12-15  9:45       ` Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 08/60] drm/exynos: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 09/60] drm/fsl-dcu: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 10/60] drm/gma500: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 11/60] drm/gud: " Javier Martinez Canillas
2021-12-15 21:37   ` Noralf Trønnes
2021-12-15 21:50     ` Javier Martinez Canillas
2021-12-16  8:20     ` Thomas Zimmermann
2021-12-16 15:47       ` Noralf Trønnes
2021-12-15  0:59 ` [PATCH 12/60] drm/hisilicon/hibmc: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 13/60] drm/hisilicon/kirin: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 14/60] drm/hyperv: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 15/60] drm/i810: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 16/60] drm/imx/dcss: " Javier Martinez Canillas
2021-12-15  9:20   ` Lucas Stach
2021-12-15  0:59 ` [PATCH 17/60] drm/imx: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 18/60] drm/ingenic: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 19/60] drm/kmb: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 20/60] drm/lima: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 21/60] drm/mcde: " Javier Martinez Canillas
2021-12-15  1:02   ` Linus Walleij
2021-12-15  0:59 ` [PATCH 22/60] drm/mediatek: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 23/60] drm/meson: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 24/60] drm/mga: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 25/60] drm/msm: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 26/60] drm: mxsfb: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 27/60] drm/omap: " Javier Martinez Canillas
2021-12-15  0:59 ` Javier Martinez Canillas [this message]
2021-12-15  0:59 ` [PATCH 29/60] drm/panfrost: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 30/60] drm/pl111: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 31/60] drm/r128: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 32/60] drm: rcar-du: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 33/60] drm/rockchip: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 34/60] drm/savage: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 35/60] drm/shmobile: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 36/60] drm/sis: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 37/60] drm/sprd: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 38/60] drm/sti: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 39/60] drm/stm: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 40/60] drm/sun4i: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 41/60] drm/tdfx: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 42/60] drm/tegra: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 43/60] drm/tidss: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 44/60] drm/tilcdc: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 45/60] drm/arc: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 46/60] drm/gm12u320: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 47/60] drm/hx8357d: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 48/60] drm/ili9163: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 49/60] drm/ili9225: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 50/60] drm/ili9341: " Javier Martinez Canillas
2021-12-15  0:59 ` [PATCH 51/60] drm/ili9486: " Javier Martinez Canillas
2021-12-15  1:00 ` [PATCH 52/60] drm/mi0283qt: " Javier Martinez Canillas
2021-12-16 15:48   ` Noralf Trønnes
2021-12-15  1:00 ` [PATCH 53/60] drm/repaper: " Javier Martinez Canillas
2021-12-16 15:48   ` Noralf Trønnes
2021-12-15  1:00 ` [PATCH 54/60] drm/st7586: " Javier Martinez Canillas
2021-12-15  1:00 ` [PATCH 55/60] drm/st7735r: " Javier Martinez Canillas
2021-12-15  1:00 ` [PATCH 56/60] drm/tve200: " Javier Martinez Canillas
2021-12-15  1:03   ` Linus Walleij
2021-12-15  1:00 ` [PATCH 57/60] drm/udl: " Javier Martinez Canillas
2021-12-15  1:00 ` [PATCH 58/60] drm/via: " Javier Martinez Canillas
2021-12-15  1:00 ` [PATCH 59/60] drm/xen: " Javier Martinez Canillas
2021-12-15  5:58   ` Oleksandr Andrushchenko
2021-12-15  8:14     ` Javier Martinez Canillas
2021-12-15  1:00 ` [PATCH 60/60] drm/xlnx: " Javier Martinez Canillas
2021-12-15  8:31 ` [PATCH 00/60] drm: Make all drivers to honour the nomodeset parameter Thomas Zimmermann
2021-12-15  8:50   ` Javier Martinez Canillas
2021-12-15  9:10     ` Thomas Zimmermann
2021-12-15 23:26       ` Javier Martinez Canillas
2021-12-15  9:12   ` Thomas Zimmermann
2021-12-15  9:25     ` Javier Martinez Canillas
2021-12-15 23:35 ` Laurent Pinchart
2021-12-16  0:13   ` Javier Martinez Canillas
2021-12-16  0:24     ` Laurent Pinchart
2021-12-16  0:38       ` Javier Martinez Canillas

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