From: Aditya Swarup <aditya.swarup@xxxxxxxxx>
Enable PORTS A and B for DG1 initially, the other ports still need more
plumbing code in order to be enabled.
Cc: Clinton Taylor <Clinton.A.Taylor@xxxxxxxxx>
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Aditya Swarup <aditya.swarup@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index f16512eddc587..58c08ec0298a0 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7219,6 +7219,9 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
{
if (phy == PHY_NONE)
return false;
+ else if (IS_DG1(dev_priv))
+ /* FIXME: Enable only two ports for now */
+ return phy <= PHY_B;
else if (IS_ROCKETLAKE(dev_priv))
return phy <= PHY_D;
else if (IS_ELKHARTLAKE(dev_priv))
@@ -7231,7 +7234,7 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
{
- if (IS_ROCKETLAKE(dev_priv))
+ if (IS_ROCKETLAKE(dev_priv) || IS_DG1(dev_priv))
return false;
else if (INTEL_GEN(dev_priv) >= 12)
return phy >= PHY_D && phy <= PHY_I;
@@ -16832,7 +16835,11 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
if (!HAS_DISPLAY(dev_priv) || !INTEL_DISPLAY_ENABLED(dev_priv))
return;
- if (IS_ROCKETLAKE(dev_priv)) {
+ if (IS_DG1(dev_priv)) {
+ /* FIXME: Enable only two ports for now */
+ intel_ddi_init(dev_priv, PORT_A);
+ intel_ddi_init(dev_priv, PORT_B);
+ } else if (IS_ROCKETLAKE(dev_priv)) {
/*
* If HTI (aka HDPORT) is enabled at boot, it may have taken
* over some of the PHYs and made them unavailable to the
--
2.26.2
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