Power wells are only part of display block and not necessary when
running a headless driver.
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display_power.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 9419ae8c6111..53311b9764dc 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -4674,7 +4674,10 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
* The enabling order will be from lower to higher indexed wells,
* the disabling order is reversed.
*/
- if (IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv)) {
+ if (!HAS_DISPLAY(dev_priv)) {
+ power_domains->power_well_count = 0;
+ err = 0;
+ } else if (IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv)) {
err = set_power_wells_mask(power_domains, tgl_power_wells,
BIT_ULL(TGL_DISP_PW_TC_COLD_OFF));
} else if (IS_ROCKETLAKE(dev_priv)) {
--
2.31.1
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