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[31.17.95.22]) by smtp.gmail.com with ESMTPSA id f63sm2764515wma.47.2020.04.09.02.34.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Apr 2020 02:34:09 -0700 (PDT) From: Oliver Graute To: gregkh@linuxfoundation.org Subject: [PATCH v1] staging: fbtft: fb_st7789v: Initialize the Display Date: Thu, 9 Apr 2020 11:25:32 +0200 Message-Id: <1586424337-26602-1-git-send-email-oliver.graute@gmail.com> X-Mailer: git-send-email 2.7.4 X-Patchwork-Bot: notify X-Mailman-Approved-At: Fri, 10 Apr 2020 09:45:19 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, linux-fbdev@vger.kernel.org, Oliver Graute , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, oliver.graute@gmail.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Oliver Graute Set Gamma Values and Register Values for the HSD20_IPS Signed-off-by: Oliver Graute --- 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 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel