[PATCH 6.1 161/194] drm/i915/sdvo: fix panel_type initialization

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From: Jani Nikula <jani.nikula@xxxxxxxxx>

commit 2002eb6d3ea954dde9f8a223018d5335779937d0 upstream.

Commit 3f9ffce5765d ("drm/i915: Do panel VBT init early if the VBT
declares an explicit panel type") started using -1 as the value for
unset panel_type. It gets initialized in intel_panel_init_alloc(), but
the SDVO code never calls it.

Call intel_panel_init_alloc() to initialize the panel, including the
panel_type.

Reported-by: Tomi Leppänen <tomi@xxxxxxxxxx>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8896
Fixes: 3f9ffce5765d ("drm/i915: Do panel VBT init early if the VBT declares an explicit panel type")
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v6.1+
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
Tested-by: Tomi Leppänen <tomi@xxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803122706.838721-1-jani.nikula@xxxxxxxxx
(cherry picked from commit 26e60294e8eacedc8ebb33405b2c375fd80e0900)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_sdvo.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -2727,7 +2727,7 @@ static struct intel_sdvo_connector *inte
 	__drm_atomic_helper_connector_reset(&sdvo_connector->base.base,
 					    &conn_state->base.base);
 
-	INIT_LIST_HEAD(&sdvo_connector->base.panel.fixed_modes);
+	intel_panel_init_alloc(&sdvo_connector->base);
 
 	return sdvo_connector;
 }





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