From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The dotclock is often calculated in encoder .get_config(), so we
shouldn't copy the adjusted_mode to hwmode until we have read out the
dotclock.
Gets rid of some warnings like these:
[drm:drm_calc_timestamping_constants [drm]] *ERROR* crtc 21: Can't calculate constants, dotclock = 0!
[drm:i915_get_vblank_timestamp] crtc 0 is disabled
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 21aa745..b4229ce 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15119,7 +15119,6 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED;
}
- crtc->base.hwmode = crtc->config->base.adjusted_mode;
readout_plane_state(crtc, to_intel_crtc_state(crtc->base.state));
DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n",
@@ -15179,6 +15178,10 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
connector->base.name,
connector->base.encoder ? "enabled" : "disabled");
}
+
+ for_each_intel_crtc(dev, crtc) {
+ crtc->base.hwmode = crtc->config->base.adjusted_mode;
+ }
}
/* Scan out the current hw modeset state,
--
2.4.6
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