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drm/i915: fix pfit regression for non-autoscaled resolutions

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I.e. for letter/pillarboxing. For those cases we need to adjust the
mode a bit, but Jesse gmch pfit refactoring in

commit 2dd24552ca
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Thu Apr 25 12:55:01 2013 -0700

    drm/i915: factor out GMCH panel fitting code and use for eDP v3

broke that by reordering the computation of the gmch pfit state with
the block of code that prepared the adjusted mode for it and told the
modeset core not to overwrite the adjusted mode with default settings.

We might want to switch around the core code to just fill in defaults,
but this code predates the pipe_config modeset rework. And in the old
crtc helpers we did not have a suitable spot to do this.

Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Hans de Bruin <jmdebruin@xmsnet.nl>
Reported-and-tested-by: Hans de Bruin <jmdebruin@xmsnet.nl>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-07-12 08:07:30 +02:00
parent 0692282181
commit 21d8a4756a
2 changed files with 4 additions and 4 deletions
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5
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -297,14 +297,11 @@ static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder,
intel_pch_panel_fitting(intel_crtc, pipe_config,
intel_connector->panel.fitting_mode);
return true;
} else {
intel_gmch_panel_fitting(intel_crtc, pipe_config,
intel_connector->panel.fitting_mode);
}
drm_mode_set_crtcinfo(adjusted_mode, 0);
pipe_config->timings_set = true;
}
/*
* XXX: It would be nice to support lower refresh rates on the

3
drivers/gpu/drm/i915/intel_panel.c
View File

@ -194,6 +194,9 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
adjusted_mode->vdisplay == mode->vdisplay)
goto out;
drm_mode_set_crtcinfo(adjusted_mode, 0);
pipe_config->timings_set = true;
switch (fitting_mode) {
case DRM_MODE_SCALE_CENTER:
/*