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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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5
drivers/gpu/drm/i915/intel_drv.h
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@@ -501,9 +501,10 @@ struct intel_set_config {
bool mode_changed;
};
extern bool intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
int x, int y, struct drm_framebuffer *old_fb);
extern int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
int x, int y, struct drm_framebuffer *old_fb);
extern void intel_modeset_disable(struct drm_device *dev);
extern void intel_crtc_restore_mode(struct drm_crtc *crtc);
extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_crtc_update_dpms(struct drm_crtc *crtc);
extern void intel_encoder_noop(struct drm_encoder *encoder);