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| author | Stéphane Marchesin <marcheu@chromium.org> | 2015-07-05 02:00:08 -0700 |
|---|---|---|
| committer | Stéphane Marchesin <marcheu@chromium.org> | 2015-07-13 15:18:27 -0700 |
| commit | b74e08cc80325883bf4561e11cec0e83f0863728 (patch) | |
| tree | 3ebea2ddf816c9a02691c0e72f2be59ff8126525 /drmmode.cpp | |
| parent | 9099aa5e280c094154fd312f415336c1aabb4b8e (diff) | |
| download | drm_hwcomposer-b74e08cc80325883bf4561e11cec0e83f0863728.tar.gz | |
drm_hwcomposer: Convert v_refresh() to float
We convert v_refresh() to return a float and instead of storing it,
compute it on the fly from the pixel clock + htotal/vtotal. This makes
the synthetic vblank computation much more accurate.
Change-Id: I2a0becf75eaca8ace30d176fdc813f3b57ba23a5
Diffstat (limited to 'drmmode.cpp')
| -rw-r--r-- | drmmode.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drmmode.cpp b/drmmode.cpp index dce9803..abd3b32 100644 --- a/drmmode.cpp +++ b/drmmode.cpp @@ -36,7 +36,6 @@ DrmMode::DrmMode(drmModeModeInfoPtr m) v_sync_end_(m->vsync_end), v_total_(m->vtotal), v_scan_(m->vscan), - v_refresh_(m->vrefresh), flags_(m->flags), type_(m->type), name_(m->name) { @@ -55,7 +54,6 @@ DrmMode::DrmMode() v_sync_end_(0), v_total_(0), v_scan_(0), - v_refresh_(0), flags_(0), type_(0), name_("") { @@ -70,7 +68,7 @@ bool DrmMode::operator==(const drmModeModeInfo &m) const { h_total_ == m.htotal && h_skew_ == m.hskew && v_display_ == m.vdisplay && v_sync_start_ == m.vsync_start && v_sync_end_ == m.vsync_end && v_total_ == m.vtotal && - v_scan_ == m.vscan && v_refresh_ == m.vrefresh && flags_ == m.flags && + v_scan_ == m.vscan && flags_ == m.flags && type_ == m.type; } @@ -86,7 +84,6 @@ void DrmMode::ToDrmModeModeInfo(drm_mode_modeinfo *m) const { m->vsync_end = v_sync_end_; m->vtotal = v_total_; m->vscan = v_scan_; - m->vrefresh = v_refresh_; m->flags = flags_; m->type = type_; strncpy(m->name, name_.c_str(), DRM_DISPLAY_MODE_LEN); @@ -144,8 +141,8 @@ uint32_t DrmMode::v_scan() const { return v_scan_; } -uint32_t DrmMode::v_refresh() const { - return v_refresh_; +float DrmMode::v_refresh() const { + return clock_ / (float)(v_total_ * h_total_) * 1000.0f; } uint32_t DrmMode::flags() const { |