num_pipes is set to 0 if disable_display is set inside
intel_device_info_runtime_init() but when that happen PCH will
already be set in intel_detect_pch().
i915_driver_load()
i915_driver_init_early()
...
intel_detect_pch()
...
...
i915_driver_init_hw()
intel_device_info_runtime_init()
Cc: Jani Nikula <jani.nik...@intel.com>
Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 3834bd758a2e..99792039176f 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -287,7 +287,8 @@ static void intel_detect_pch(struct drm_i915_private
*dev_priv)
* Use PCH_NOP (PCH but no South Display) for PCH platforms without
* display.
*/
- if (pch && INTEL_INFO(dev_priv)->num_pipes == 0) {
+ if (pch && ((INTEL_INFO(dev_priv)->num_pipes == 0) ||
+ i915_modparams.disable_display)) {
DRM_DEBUG_KMS("Display disabled, reverting to NOP PCH\n");
dev_priv->pch_type = PCH_NOP;
dev_priv->pch_id = 0;
--
2.18.0
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