[PATCH RESEND] video: ssd1307fb: Enable charge pump only on displays that actually have it

2021-05-12 Thread Michal Vokáč
A note in the datasheet says: "Patterns other than those given in the Command Table are prohibited to enter the chip as a command; as unexpected results can occur." So do not send the charge pump command to displays that do not support it. Signed-off-by: Michal Vokáč --- dri

Re: [PATCH] video: ssd1307fb: add the missed regulator_disable

2019-12-06 Thread Michal Vokáč
_fast_syscall+0x0/0x54) [ 192.049882] Exception stack(0xed3d9fa8 to 0xed3d9ff0) [ 192.054941] 9fa0: 0002 7eb4ac28 00cfdebc 0800 0064 [ 192.063125] 9fc0: 0002 7eb4ac28 0081 7eb4af0e 00cfde80 7eb4ae0c 0001 [ 192.071306

Re: [PATCH] backlight: pwm_bl: configure pwm only once per backlight toggle

2019-10-18 Thread Michal Vokáč
On 17. 10. 19 11:48, Michal Vokáč wrote: On 17. 10. 19 10:10, Uwe Kleine-König wrote: A previous change in the pwm core (namely 01ccf903edd6 ("pwm: Let pwm_get_state() return the last implemented state")) changed the semantic of pwm_get_state() and disclosed an (as it seems) common

Re: [PATCH] backlight: pwm_bl: configure pwm only once per backlight toggle

2019-10-18 Thread Michal Vokáč
On 17. 10. 19 19:44, Adam Ford wrote: On Thu, Oct 17, 2019 at 12:13 PM Thierry Reding wrote: On Thu, Oct 17, 2019 at 12:07:21PM -0500, Adam Ford wrote: On Thu, Oct 17, 2019 at 10:14 AM Thierry Reding wrote: On Thu, Oct 17, 2019 at 03:58:25PM +0200, Michal Vokáč wrote: On 17. 10. 19 14:59

Re: [PATCH] backlight: pwm_bl: configure pwm only once per backlight toggle

2019-10-18 Thread Michal Vokáč
On 17. 10. 19 14:59, Thierry Reding wrote: On Thu, Oct 17, 2019 at 02:09:17PM +0200, Uwe Kleine-König wrote: On Thu, Oct 17, 2019 at 01:11:31PM +0200, Thierry Reding wrote: On Thu, Oct 17, 2019 at 12:11:16PM +0200, Uwe Kleine-König wrote: On Thu, Oct 17, 2019 at 11:48:08AM +0200, Michal Vokáč

Re: [PATCH] backlight: pwm_bl: configure pwm only once per backlight toggle

2019-10-18 Thread Michal Vokáč
On 17. 10. 19 10:10, Uwe Kleine-König wrote: A previous change in the pwm core (namely 01ccf903edd6 ("pwm: Let pwm_get_state() return the last implemented state")) changed the semantic of pwm_get_state() and disclosed an (as it seems) common problem in lowlevel PWM drivers. By not relying on the

Re: [PATCH v5 1/2] devicetree/bindings: display: Add document for rockchip RGB output

2018-08-29 Thread Michal Vokáč
On 28.8.2018 10:12, Sandy Huang wrote: This path add support rv1108 and px30 rgb output interface driver. Hi Sandy, Seems like you forgot to address Rob's comment regarding the "driver" word. Also fix the typo: s/path/patch The subject could be improved as well: s/devicetree\/bindings/dt-bindin

Re: etnaviv oops on imx6dl/2G, works fine on imx6s/512M

2018-07-24 Thread Michal Vokáč
On 23.7.2018 12:13, Lucas Stach wrote: Hi Michal, Am Mittwoch, den 18.07.2018, 14:29 +0200 schrieb Michal Vokáč: Ahoj, I encountered an error in etnaviv driver on one of my two very similar SBCs. They have the same board design but slightly different HW configuration. SW configuration/setup

etnaviv oops on imx6dl/2G, works fine on imx6s/512M

2018-07-19 Thread Michal Vokáč
Ahoj, I encountered an error in etnaviv driver on one of my two very similar SBCs. They have the same board design but slightly different HW configuration. SW configuration/setup is the same for both. Including kernel configuration. 1. is based on i.MX6S, single core, 512MB RAM, parallel LCD. 2.

Re: [PATCH] drm/panel: simple: Support simple VGA panels

2018-07-17 Thread Michal Vokáč
On 16.7.2018 11:23, Linus Walleij wrote: The need to support some straight-forward VGA panels that are not adhering to any standard like DPI arise in the ARM RTSM VE Real-Time Systems Model Virtual Executive. This emulator (which is not QEMU) does not model any bridge or panel other than displayi

[PATCH 1/2] dt-bindings: Add DataImage, Inc. vendor prefix

2018-06-26 Thread Michal Vokáč
DataImage is a Taiwan-based manufacturer of LCD panels. Signed-off-by: Michal Vokáč --- Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor

[PATCH 2/2] drm/panel: simple: Add support for DataImage SCF0700C48GGU18

2018-06-26 Thread Michal Vokáč
This adds support for the DataImage SCF0700C48GGU18 7.0" WVGA (800x480) TFT LCD panel. The panel has 24-bit parallel interface and can be supported by the simple panel driver. Signed-off-by: Michal Vokáč --- .../display/panel/dataimage,scf0700c48ggu18.txt| 8 ++ drivers/gpu/drm/