From: David Lechner <david-nq/r/kbU++upp/zk7JDF2g@public.gmane.org>
To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: "Noralf Trønnes" <noralf-L59+Z2yzLopAfugRpC6u6w@public.gmane.org>,
limor-6aDhHjTmHzzR7s880joybQ@public.gmane.org,
"Linus Walleij"
<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"Rob Herring" <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"Mark Rutland" <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v3 3/3] drm/tinydrm: add driver for ST7735R panels
Date: Thu, 21 Dec 2017 13:35:14 -0600 [thread overview]
Message-ID: <2f63be06-f9b2-2103-888c-e3f49c40fe82@lechnology.com> (raw)
In-Reply-To: <1513884233-31540-4-git-send-email-david-nq/r/kbU++upp/zk7JDF2g@public.gmane.org>
On 12/21/2017 01:23 PM, David Lechner wrote:
> This adds a new driver for Sitronix ST7735R display panels.
>
> This has been tested using an Adafruit 1.8" TFT.
>
> Signed-off-by: David Lechner <david-nq/r/kbU++upp/zk7JDF2g@public.gmane.org>
> ---
<snip>
> + mipi_dbi_command(mipi, ST7735R_GAMCTRP1, 0x0f, 0x1a, 0x0f, 0x18, 0x2f,
> + 0x28, 0x20, 0x22, 0x1f, 0x1b, 0x23, 0x37, 0x00, 0x07,
> + 0x02, 0x10);
> + mipi_dbi_command(mipi, ST7735R_GAMCTRN1, 0x0f, 0x1b, 0x0f, 0x17, 0x33,
> + 0x2c, 0x29, 0x2e, 0x30, 0x30, 0x39, 0x3f, 0x00, 0x07,
> + 0x03, 0x10);
By the way, how do you know what is the "right" gamma curve? I think I
copied this from the generic st7735r driver in fbtft, but I noticed that
there is also a different curve for the Adafruit 1.8" display in fbtft.
I'm wondering if I should have used that one instead. I can't really
tell a difference looking at the display.
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next prev parent reply other threads:[~2017-12-21 19:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 19:23 [PATCH v3 0/3] DRM driver for Sitronix ST7735R display panels David Lechner
2017-12-21 19:23 ` [PATCH v3 1/3] dt-bindings: add jianda vendor prefix David Lechner
[not found] ` <1513884233-31540-2-git-send-email-david-nq/r/kbU++upp/zk7JDF2g@public.gmane.org>
2017-12-26 21:52 ` Rob Herring
2017-12-21 19:23 ` [PATCH v3 2/3] dt-bindings: Add binding for Sitronix ST7735R display panels David Lechner
2017-12-26 18:39 ` Rob Herring
2017-12-21 19:23 ` [PATCH v3 3/3] drm/tinydrm: add driver for ST7735R panels David Lechner
[not found] ` <1513884233-31540-4-git-send-email-david-nq/r/kbU++upp/zk7JDF2g@public.gmane.org>
2017-12-21 19:35 ` David Lechner [this message]
2017-12-31 16:19 ` Noralf Trønnes
2017-12-31 16:17 ` Noralf Trønnes
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