[Intel-gfx] [PATCH v2 1/3] drm/i915/display: move vbt check to intel_ddi_init()

[Lucas De Marchi]

Since commit 45c0673aac97 ("drm/i915/bios: start using the
intel_bios_encoder_data directly") we lookup the devdata for each port
in intel_ddi_init() and just return if the port is not present in VBT
(or if we didn't create a fake devdata for it if VBT is not available).

So in intel_display.c we don't have to check
intel_bios_is_port_present(), just rely on the check in
intel_ddi_init().

v2: Rebase 45c0673aac97 re-using that check in intel_ddi_init() instead
of adding a new one.

Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
Reviewed-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 7b38b9a38b85..c793cbecfb3b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -11672,13 +11672,13 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
 		intel_ddi_init(dev_priv, PORT_C);
 		intel_ddi_init(dev_priv, PORT_D);
 		intel_ddi_init(dev_priv, PORT_E);
+
 		/*
-		 * On some ICL SKUs port F is not present. No strap bits for
-		 * this, so rely on VBT.
-		 * Work around broken VBTs on SKUs known to have no port F.
+		 * On some ICL SKUs port F is not present, but broken VBTs mark
+		 * the port as present. Only try to initialize port F for the
+		 * SKUs that may actually have it.
 		 */
-		if (IS_ICL_WITH_PORT_F(dev_priv) &&
-		    intel_bios_is_port_present(dev_priv, PORT_F))
+		if (IS_ICL_WITH_PORT_F(dev_priv))
 			intel_ddi_init(dev_priv, PORT_F);
 
 		icl_dsi_init(dev_priv);
@@ -11732,10 +11732,8 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
 		/*
 		 * On SKL we don't have a way to detect DDI-E so we rely on VBT.
 		 */
-		if (IS_GEN9_BC(dev_priv) &&
-		    intel_bios_is_port_present(dev_priv, PORT_E))
+		if (IS_GEN9_BC(dev_priv))
 			intel_ddi_init(dev_priv, PORT_E);
-
 	} else if (HAS_PCH_SPLIT(dev_priv)) {
 		int found;
 
-- 
2.30.1