drm/i915: Hook connector to encoder during load detection (fixes tv/vga detect)
With the DRM-driven DPMS code, encoders are considered idle unless a
connector is hooked to them, so mode setting is skipped. This makes load
detection fail as none of the hardware is enabled.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a87eeff..b32a51f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2136,6 +2136,7 @@
}
encoder->crtc = crtc;
+ intel_output->base.encoder = encoder;
intel_output->load_detect_temp = true;
intel_crtc = to_intel_crtc(crtc);
@@ -2171,6 +2172,7 @@
if (intel_output->load_detect_temp) {
encoder->crtc = NULL;
+ intel_output->base.encoder = NULL;
intel_output->load_detect_temp = false;
crtc->enabled = drm_helper_crtc_in_use(crtc);
drm_helper_disable_unused_functions(dev);