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| author | Lajos Molnar <lajos@ti.com> | 2011-10-13 23:46:04 -0500 |
|---|---|---|
| committer | Iliyan Malchev <malchev@google.com> | 2011-10-17 19:32:30 -0700 |
| commit | e9858ecc1d41ff5bd81651e6b405c1ad9b3de4ba (patch) | |
| tree | 3c32fdbac86936820cb8895235eab470cc39bcc1 /hwc | |
| parent | 02150d77cba303ea6c532fa740910fbab5e3e1cc (diff) | |
| download | hardware_ti_omap4xxx-e9858ecc1d41ff5bd81651e6b405c1ad9b3de4ba.zip hardware_ti_omap4xxx-e9858ecc1d41ff5bd81651e6b405c1ad9b3de4ba.tar.gz hardware_ti_omap4xxx-e9858ecc1d41ff5bd81651e6b405c1ad9b3de4ba.tar.bz2 | |
hwc: add tolerance to video aspect ratio changes
Slight changes in the aspect ratio of the external layer occur
when the layer is resized on screen due to rounding errors.
Add tolerance, so we do not reconfigure HDMI due to these slight
changes.
Change-Id: I4b1b4c5dfb80ebbd83e26eb78dd86269b756307c
Diffstat (limited to 'hwc')
| -rw-r--r-- | hwc/hwc.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -1113,7 +1113,8 @@ static int omap4_hwc_prepare(struct hwc_composer_device *dev, hwc_layer_list_t* /* adjust hdmi mode based on resolution */ if (xres != hwc_dev->ext.last_xres_used || yres != hwc_dev->ext.last_yres_used || - xpy != hwc_dev->ext.last_xpy) { + xpy < hwc_dev->ext.last_xpy * (1.f - ASPECT_RATIO_TOLERANCE) || + xpy * (1.f - ASPECT_RATIO_TOLERANCE) > hwc_dev->ext.last_xpy) { LOGD("set up HDMI for %d*%d\n", xres, yres); if (omap4_hwc_set_best_hdmi_mode(hwc_dev, xres, yres, xpy)) { o->cfg.enabled = 0; |