def find(fdt: Fdt2) -> Iterator[Panel]:
for mdp in fdt.find_by_compatible('qcom,mdss_mdp'):
for sub in fdt.subnodes(mdp):
panel = Panel.parse(fdt, sub)
if panel:
yield panel
# Newer device trees do not necessarily have panels below MDP,
# search for qcom,dsi-display node instead
panel_phandles = set()
for display in fdt.find_by_compatible('qcom,dsi-display'):
# On even newer SoCs there is another node with qcom,dsi-display-list
displays = fdt.getprop_or_none(display, 'qcom,dsi-display-list')
if displays is None:
panel_phandles.add(
fdt.getprop(display, 'qcom,dsi-panel').as_uint32())
else:
for display_phandle in displays.as_uint32_array():
display = fdt.node_offset_by_phandle(display_phandle)
panel_phandles.add(
fdt.getprop(display, 'qcom,dsi-panel').as_uint32())
for phandle in panel_phandles:
offset = fdt.node_offset_by_phandle(phandle)
panel = Panel.parse(fdt, offset)
if panel:
yield panel
def _find_mode_node(fdt: Fdt2, node: int) -> int:
timings_node = fdt.subnode_or_none(node, "qcom,mdss-dsi-display-timings")
if timings_node is None:
return node
mode_node = None
for timing in fdt.subnodes(timings_node):
if mode_node:
print("WARNING: Multiple display timings are not supported yet, using first!")
break
mode_node = timing
assert mode_node, "No display timings found"
return mode_node
def find(fdt: Fdt2) -> Iterator[Panel]:
for mdp in fdt.find_by_compatible('qcom,mdss_mdp'):
for sub in fdt.subnodes(mdp):
panel = Panel.parse(fdt, sub)
if panel:
yield panel