Files
erofs-linux/drivers/gpu/drm/ast
Thomas Zimmermann 477277c7fd drm/ast: Support multiple outputs
Systems with AST graphics can have multiple output; typically VGA
plus some other port. Record detected output chips in a bitmask and
initialize each output on its own.

Assume a VGA output by default and use SIL164 and DP501 if available.
For ASTDP assume that it can run in parallel with VGA.

Tested on AST2100.

v3:
	* define a macro for each BIT(ast_tx_chip) (Patrik)
v2:
	* make VGA/SIL164/DP501 mutually exclusive

Signed-off-by: Thomas Zimmermann <[email protected]>
Reviewed-by: Patrik Jakobsson <[email protected]>
Fixes: a59b026419 ("drm/ast: Initialize encoder and connector for VGA in helper function")
Cc: Thomas Zimmermann <[email protected]>
Cc: Javier Martinez Canillas <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 7f35680ada)
Signed-off-by: Thomas Zimmermann <[email protected]>
2022-06-09 10:27:49 +02:00
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