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drm/i915: Return the real error code from intel_set_mode()

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Note: This patch also adds a little helper intel_crtc_restore_mode for
the common case where we do a full modeset but with the same
parameters, e.g. to undo bios damage or update a property.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
[danvet: Added note.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson
2012-12-19 16:08:43 +00:00
committed by Daniel Vetter
parent 1c45140d3d
commit c0c36b941b
7 changed files with 39 additions and 49 deletions
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7
drivers/gpu/drm/i915/intel_hdmi.c
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@@ -917,11 +917,8 @@ intel_hdmi_set_property(struct drm_connector *connector,
return -EINVAL;
done:
if (intel_dig_port->base.base.crtc) {
struct drm_crtc *crtc = intel_dig_port->base.base.crtc;
intel_set_mode(crtc, &crtc->mode,
crtc->x, crtc->y, crtc->fb);
}
if (intel_dig_port->base.base.crtc)
intel_crtc_restore_mode(intel_dig_port->base.base.crtc);
return 0;
}