u-boot.git/drivers/video, branch v2021.07

video: mxsfb: add enabling of "disp_axi" clock

2021-06-09T11:01:33+00:00

Some SoC needs "disp_axi" clock to be enabled, so let's try to retrieve it
and enabling. If it fails it gives only a debug(), but this clock as well
as "axi" clock is not mandatory.

Signed-off-by: Giulio Benetti

video: mxsfb: add enabling of "axi" clock other than "per" clock

2021-06-09T11:01:33+00:00

On some SoC mxsfb needs more than one clock gate(actual "per" clock). So
let's introduce "axi" clock that can be provided but it's not mandatory.
This is inspired from linux mxsfb driver. Also let's rename "per" clock to
"pix" clock for compatibility with already existing .dts lcdif nodes
implementation.

Signed-off-by: Giulio Benetti

video: sunxi: de2: switch to public uclass functions

2021-04-24T11:45:03+00:00

Currently DE2 driver uses functions which are defined in internal
headers. They are not meant to be used outside of uclass framework.
Switch DE2 driver to public ones. This has additional benefit that
device_probe doesn't need to be called manually.

Signed-off-by: Jernej Skrabec 
Reviewed-by: Andre Przywara 
Signed-off-by: Andre Przywara

video: sunxi: dw-hdmi: read source_id later

2021-04-24T11:44:59+00:00

There is no real need to read source_id at probe time. It also doesn't
make sense to store it in driver private data since it's already stored
in class platform data. While this looks like cleanup (and it is), it's
also important for DE2 driver rework because this info will be filled
later (after probe is already executed).

Signed-off-by: Jernej Skrabec 
Reviewed-by: Andre Przywara 
Signed-off-by: Andre Przywara

video: sunxi: Remove TV probe from DE2

2021-04-24T11:44:56+00:00

TV driver was never fully implemented. Remove search for it from DE2
driver.

Reviewed-by: Andre Przywara 
Signed-off-by: Jernej Skrabec 
Signed-off-by: Andre Przywara

video: sunxi: Remove check for ddc-i2c-bus property

2021-04-24T11:44:52+00:00

No Allwinner board with DW-HDMI controller use separate I2C bus for
EDID read. Remove that check.

Reviewed-by: Andre Przywara 
Signed-off-by: Jernej Skrabec 
Signed-off-by: Andre Przywara

video: sunxi: Use DW-HDMI hpd function

2021-04-24T11:44:49+00:00

It turns out that there are two ways how hot plug detection can be done.
One is standard way for DW HDMI controller - checking bit 2 in 0x3004
register. Another way is applicable only to Allwinner custom PHY - by
checking bit 19 in register 0x10038. Both methods are equally good as
far as we know.

Use standard method in order to reduce amount of custom code.

Reviewed-by: Andre Przywara 
Signed-off-by: Jernej Skrabec 
Signed-off-by: Andre Przywara

video: sunxi: Add mode_valid callback to sunxi_dw_hdmi

2021-04-24T11:44:28+00:00

Currently driver accepts all resolution which won't work on 4k screens.
Add validation callback which limits acceptable resolutions to 297 MHz.

Reviewed-by: Andre Przywara 
Signed-off-by: Jernej Skrabec 
Signed-off-by: Andre Przywara

sunxi: video: select dw-hdmi in Kconfig, not Makefile

2021-04-16T00:12:59+00:00

Currently sunxi Makefile manually specifies full path to dw-hdmi common
code. However, that is not needed because it can be selected in Kconfig
instead.

Select proper symbol in Kconfig and drop path from Makefile.

Signed-off-by: Jernej Skrabec 
Reviewed-by: Andre Przywara 
Signed-off-by: Andre Przywara

video: Fix line padding calculation for 16 and 24 BPP bitmaps

2021-04-10T15:09:59+00:00

Each row in the pixel array in the bitmap file is padded
if necessary so the row size is always a multiple of 4 bytes.
In current code the complement of row size to a multiple of
4 bytes is further unnecessarily multiplied by the pixel size.
This results in incorrect displaying of bitmaps having row size
that is not a multiple of 4 bytes. Fix this by removing
the unnecessary multiplication.

Tested with 24BPP bitmap and XRGB32 display.

Signed-off-by: Sylwester Nawrocki 
Tested-by: Jaehoon Chung