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drm/i915: Call drm_calc_timestamping_constants() earlier

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Update the pixel/line/frame duration information when we switch to the
new pipe config. This will keep the timestamping constants in better
sync with the real hardware state.

Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2013-10-28 12:53:41 +02:00
parent 4b4b9238a3
commit c326c0a9c9
1 changed files with 8 additions and 9 deletions
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17
drivers/gpu/drm/i915/intel_display.c
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@ -9660,6 +9660,14 @@ static int __intel_set_mode(struct drm_crtc *crtc,
/* mode_set/enable/disable functions rely on a correct pipe
* config. */
to_intel_crtc(crtc)->config = *pipe_config;
/*
* Calculate and store various constants which
* are later needed by vblank and swap-completion
* timestamping. They are derived from true hwmode.
*/
drm_calc_timestamping_constants(crtc,
&pipe_config->adjusted_mode);
}
/* Only after disabling all output pipelines that will be changed can we
@ -9683,15 +9691,6 @@ static int __intel_set_mode(struct drm_crtc *crtc,
for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc)
dev_priv->display.crtc_enable(&intel_crtc->base);
if (modeset_pipes) {
/* Calculate and store various constants which
* are later needed by vblank and swap-completion
* timestamping. They are derived from true hwmode.
*/
drm_calc_timestamping_constants(crtc,
&pipe_config->adjusted_mode);
}
/* FIXME: add subpixel order */
done:
if (ret && crtc->enabled)