From da223cd497b6cca427fce0ac0153e394349df733 Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Tue, 9 Mar 2021 16:12:33 +0100 Subject: linux: mm: Add bsp41x_validate-max-vga-dot-clock Add a task to track the max VGA dot clock handling. Text copied from mm/bsp392_validate-max-vga-dot-clock.yaml task The selected patches have been moved to bsp-41x-non-target.yaml ticket. Reviewed-by: Laurent Pinchart Signed-off-by: Jacopo Mondi --- .../mm/done/bsp41x_validate-max-vga-dot-clock.yaml | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 projects/linux/mm/done/bsp41x_validate-max-vga-dot-clock.yaml (limited to 'projects/linux/mm') diff --git a/projects/linux/mm/done/bsp41x_validate-max-vga-dot-clock.yaml b/projects/linux/mm/done/bsp41x_validate-max-vga-dot-clock.yaml new file mode 100644 index 0000000..00bc5f8 --- /dev/null +++ b/projects/linux/mm/done/bsp41x_validate-max-vga-dot-clock.yaml @@ -0,0 +1,32 @@ +title: Validate max VGA dot clock +team: MM +key: 2f0026f2-80ea-11eb-8800-00e04c68641b +status: Abandoned + +relationships: + +bsp41x: + - fccc46cf75fd45b867c8c8501c526a92efc4d49b # arm64: dts: r8a77995-draak: Set max dot clock for vga + - 64ee34a191cefc9fd10042f785996c811c336992 # arm64: dts: r8a77990-ebisu: Set max dot clock for vga + - a117af5977b652da0abece0b1a17049db4a76d09 # arm64: dts: salvator-common: Set max dot clock for vga + - ae5ed0b2888c3c084849e3b1b77001c4b3519f5d # drm/bridge: dumb-vga-dac: Add dot clock valid check + +upstream: + +comments: + - These patches are not suitable for upstream in their current form + + The maximum dot clock frequency isn't a property of the VGA connector, + rather, it is a property of the DU and/or the LVDS encoders. It seems + most appropriate to make it a property of the DU in which case it + should not be specified in DT, but rather be included in the driver in + the crtc .mode_valid() operation. + + Furthermore, the values in the BSP seem quite low and it is suggested + that they are validated against the hardware limits derived from the DU. + And as discuss the results of the investigation with the BSP team + as necessary. + + - Above text is copied from bsp392_validate-max-vga-dot-clock.yaml task + + - Above patches moved to bsp-41x-non-target.yaml -- cgit v1.2.3