From: Oliver Graute <oliver.graute@gmail.com>
To: gregkh@linuxfoundation.org
Cc: oliver.graute@gmail.com,
Oliver Graute <oliver.graute@kococonnector.com>,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH v1] staging: fbtft: fb_st7789v: Initialize the Display
Date: Thu, 9 Apr 2020 11:25:32 +0200 [thread overview]
Message-ID: <1586424337-26602-1-git-send-email-oliver.graute@gmail.com> (raw)
From: Oliver Graute <oliver.graute@kococonnector.com>
Set Gamma Values and Register Values for the HSD20_IPS
Signed-off-by: Oliver Graute <oliver.graute@kococonnector.com>
---
drivers/staging/fbtft/fb_st7789v.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c
index 84c5af2dc9a0..b0aa96b703a8 100644
--- a/drivers/staging/fbtft/fb_st7789v.c
+++ b/drivers/staging/fbtft/fb_st7789v.c
@@ -17,8 +17,8 @@
#define DRVNAME "fb_st7789v"
#define DEFAULT_GAMMA \
- "70 2C 2E 15 10 09 48 33 53 0B 19 18 20 25\n" \
- "70 2C 2E 15 10 09 48 33 53 0B 19 18 20 25"
+ "D0 05 0A 09 08 05 2E 44 45 0F 17 16 2B 33\n" \
+ "D0 05 0A 09 08 05 2E 43 45 0F 16 16 2B 33"
/**
* enum st7789v_command - ST7789V display controller commands
@@ -83,13 +83,13 @@ static int init_display(struct fbtft_par *par)
/* set pixel format to RGB-565 */
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT);
- write_reg(par, PORCTRL, 0x08, 0x08, 0x00, 0x22, 0x22);
+ write_reg(par, PORCTRL, 0x05, 0x05, 0x00, 0x33, 0x33);
/*
* VGH = 13.26V
* VGL = -10.43V
*/
- write_reg(par, GCTRL, 0x35);
+ write_reg(par, GCTRL, 0x75);
/*
* VDV and VRH register values come from command write
@@ -101,13 +101,13 @@ static int init_display(struct fbtft_par *par)
* VAP = 4.1V + (VCOM + VCOM offset + 0.5 * VDV)
* VAN = -4.1V + (VCOM + VCOM offset + 0.5 * VDV)
*/
- write_reg(par, VRHS, 0x0B);
+ write_reg(par, VRHS, 0x13);
/* VDV = 0V */
write_reg(par, VDVS, 0x20);
/* VCOM = 0.9V */
- write_reg(par, VCOMS, 0x20);
+ write_reg(par, VCOMS, 0x22);
/* VCOM offset = 0V */
write_reg(par, VCMOFSET, 0x20);
--
2.17.1
next reply other threads:[~2020-04-09 9:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 9:25 Oliver Graute [this message]
2020-04-09 10:22 ` [PATCH v1] staging: fbtft: fb_st7789v: Initialize the Display Dan Carpenter
2020-04-27 8:36 ` Oliver Graute
2020-04-27 9:33 ` Dan Carpenter
2020-04-27 12:36 ` Oliver Graute
2020-04-28 18:59 ` Dan Carpenter
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