[PATCH 5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel

2023-06-02 Thread Dario Binacchi
Add support for Rocktech RK043FN48H 4.3" (480x272) LCD-TFT panel.

Signed-off-by: Dario Binacchi 
---

 drivers/gpu/drm/panel/panel-simple.c | 29 
 1 file changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index 065f378bba9d..e8e2b2a55f37 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3188,6 +3188,32 @@ static const struct panel_desc qishenglong_gopher2b_lcd 
= {
.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
+static const struct display_timing rocktech_rk043fn48h_timing = {
+   .pixelclock = { 600, 900, 1200 },
+   .hactive = { 480, 480, 480 },
+   .hback_porch = { 8, 43, 43 },
+   .hfront_porch = { 2, 8, 8 },
+   .hsync_len = { 1, 1, 1 },
+   .vactive = { 272, 272, 272 },
+   .vback_porch = { 2, 12, 12 },
+   .vfront_porch = { 1, 4, 4 },
+   .vsync_len = { 1, 10, 10 },
+   .flags = DISPLAY_FLAGS_VSYNC_LOW + DISPLAY_FLAGS_HSYNC_LOW |
+DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
+};
+
+static const struct panel_desc rocktech_rk043fn48h = {
+   .timings = _rk043fn48h_timing,
+   .num_timings = 1,
+   .bpc = 8,
+   .size = {
+   .width = 95,
+   .height = 54,
+   },
+   .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+   .connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct display_timing rocktech_rk070er9427_timing = {
.pixelclock = { 2640, 3330, 4680 },
.hactive = { 800, 800, 800 },
@@ -4218,6 +4244,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "qishenglong,gopher2b-lcd",
.data = _gopher2b_lcd,
+   }, {
+   .compatible = "rocktech,rk043fn48h",
+   .data = _rk043fn48h,
}, {
.compatible = "rocktech,rk070er9427",
.data = _rk070er9427,
-- 
2.32.0



Re: [PATCH 5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel

2023-06-01 Thread kernel test robot
Hi Dario,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-intel/for-linux-next-fixes]
[also build test WARNING on drm-tip/drm-tip linus/master v6.4-rc4 next-20230601]
[cannot apply to atorgue-stm32/stm32-next drm-misc/drm-misc-next 
drm-intel/for-linux-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:
https://github.com/intel-lab-lkp/linux/commits/Dario-Binacchi/ARM-dts-stm32-add-ltdc-support-on-stm32f746-MCU/20230602-010536
base:   git://anongit.freedesktop.org/drm-intel for-linux-next-fixes
patch link:
https://lore.kernel.org/r/20230601170320.2845218-6-dario.binacchi%40amarulasolutions.com
patch subject: [PATCH 5/6] drm/panel: simple: add support for Rocktech 
RK043FN48H panel
config: mips-allyesconfig 
(https://download.01.org/0day-ci/archive/20230602/202306020343.jntwem0p-...@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# 
https://github.com/intel-lab-lkp/linux/commit/5a692e898df9428078855c58f8e945def084613b
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review 
Dario-Binacchi/ARM-dts-stm32-add-ltdc-support-on-stm32f746-MCU/20230602-010536
git checkout 5a692e898df9428078855c58f8e945def084613b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross 
W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross 
W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot 
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202306020343.jntwem0p-...@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/panel/panel-simple.c:3201:68: warning: suggest parentheses 
>> around arithmetic in operand of '|' [-Wparentheses]
3201 | .flags = DISPLAY_FLAGS_VSYNC_LOW + DISPLAY_FLAGS_HSYNC_LOW |
 |^


vim +3201 drivers/gpu/drm/panel/panel-simple.c

  3190  
  3191  static const struct display_timing rocktech_rk043fn48h_timing = {
  3192  .pixelclock = { 600, 900, 1200 },
  3193  .hactive = { 480, 480, 480 },
  3194  .hback_porch = { 8, 43, 43 },
  3195  .hfront_porch = { 2, 8, 8 },
  3196  .hsync_len = { 1, 1, 1 },
  3197  .vactive = { 272, 272, 272 },
  3198  .vback_porch = { 2, 12, 12 },
  3199  .vfront_porch = { 1, 4, 4 },
  3200  .vsync_len = { 1, 10, 10 },
> 3201  .flags = DISPLAY_FLAGS_VSYNC_LOW + DISPLAY_FLAGS_HSYNC_LOW |
  3202   DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
  3203  };
  3204  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki