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 <kei...@keithp.com>
---
drivers/gpu/drm/i915/intel_display.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 220d54d..dcb5e49 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1676,6 +1676,7 @@ struct drm_crtc *intel_get_load_detect_pipe(struct
intel_output *intel_output,
}
encoder->crtc = crtc;
+ intel_output->base.encoder = encoder;
intel_output->load_detect_temp = true;
intel_crtc = to_intel_crtc(crtc);
@@ -1711,6 +1712,7 @@ void intel_release_load_detect_pipe(struct intel_output
*intel_output, int dpms_
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);
--
1.6.3.1
------------------------------------------------------------------------------
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