diff options
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index e6b19bc9021a..fd22c1c891bf 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -797,6 +797,26 @@ int drm_mode_vrefresh(const struct drm_display_mode *mode) EXPORT_SYMBOL(drm_mode_vrefresh); /** + * drm_mode_get_hv_timing - Fetches hdisplay/vdisplay for given mode + * @mode: mode to query + * @hdisplay: hdisplay value to fill in + * @vdisplay: vdisplay value to fill in + * + * The vdisplay value will be doubled if the specified mode is a stereo mode of + * the appropriate layout. + */ +void drm_mode_get_hv_timing(const struct drm_display_mode *mode, + int *hdisplay, int *vdisplay) +{ + struct drm_display_mode adjusted = *mode; + + drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); + *hdisplay = adjusted.crtc_hdisplay; + *vdisplay = adjusted.crtc_vdisplay; +} +EXPORT_SYMBOL(drm_mode_get_hv_timing); + +/** * drm_mode_set_crtcinfo - set CRTC modesetting timing parameters * @p: mode * @adjust_flags: a combination of adjustment flags @@ -1461,12 +1481,8 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev, mode->type |= DRM_MODE_TYPE_USERDEF; /* fix up 1368x768: GFT/CVT can't express 1366 width due to alignment */ - if (cmd->xres == 1366 && mode->hdisplay == 1368) { - mode->hdisplay = 1366; - mode->hsync_start--; - mode->hsync_end--; - drm_mode_set_name(mode); - } + if (cmd->xres == 1366) + drm_mode_fixup_1366x768(mode); drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); return mode; } |