| 705,12 → 705,18 |
|---|
| /** |
| * drm_mode_set_crtcinfo - set CRTC modesetting parameters |
| * @p: mode |
| * @adjust_flags: unused? (FIXME) |
| * @adjust_flags: a combination of adjustment flags |
| * |
| * LOCKING: |
| * None. |
| * |
| * Setup the CRTC modesetting parameters for @p, adjusting if necessary. |
| * |
| * - The CRTC_INTERLACE_HALVE_V flag can be used to halve vertical timings of |
| * interlaced modes. |
| * - The CRTC_STEREO_DOUBLE flag can be used to compute the timings for |
| * buffers containing two eyes (only adjust the timings when needed, eg. for |
| * "frame packing" or "side by side full"). |
| */ |
| void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags) |
| { |
| 717,6 → 723,7 |
|---|
| if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN)) |
| return; |
| |
| p->crtc_clock = p->clock; |
| p->crtc_hdisplay = p->hdisplay; |
| p->crtc_hsync_start = p->hsync_start; |
| p->crtc_hsync_end = p->hsync_end; |
| 750,6 → 757,20 |
|---|
| p->crtc_vtotal *= p->vscan; |
| } |
| |
| if (adjust_flags & CRTC_STEREO_DOUBLE) { |
| unsigned int layout = p->flags & DRM_MODE_FLAG_3D_MASK; |
| |
| switch (layout) { |
| case DRM_MODE_FLAG_3D_FRAME_PACKING: |
| p->crtc_clock *= 2; |
| p->crtc_vdisplay += p->crtc_vtotal; |
| p->crtc_vsync_start += p->crtc_vtotal; |
| p->crtc_vsync_end += p->crtc_vtotal; |
| p->crtc_vtotal += p->crtc_vtotal; |
| break; |
| } |
| } |
| |
| p->crtc_vblank_start = min(p->crtc_vsync_start, p->crtc_vdisplay); |
| p->crtc_vblank_end = max(p->crtc_vsync_end, p->crtc_vtotal); |
| p->crtc_hblank_start = min(p->crtc_hsync_start, p->crtc_hdisplay); |
| 828,12 → 849,16 |
|---|
| } else if (mode1->clock != mode2->clock) |
| return false; |
| |
| return drm_mode_equal_no_clocks(mode1, mode2); |
| if ((mode1->flags & DRM_MODE_FLAG_3D_MASK) != |
| (mode2->flags & DRM_MODE_FLAG_3D_MASK)) |
| return false; |
| |
| return drm_mode_equal_no_clocks_no_stereo(mode1, mode2); |
| } |
| EXPORT_SYMBOL(drm_mode_equal); |
| |
| /** |
| * drm_mode_equal_no_clocks - test modes for equality |
| * drm_mode_equal_no_clocks_no_stereo - test modes for equality |
| * @mode1: first mode |
| * @mode2: second mode |
| * |
| 841,12 → 866,13 |
|---|
| * None. |
| * |
| * Check to see if @mode1 and @mode2 are equivalent, but |
| * don't check the pixel clocks. |
| * don't check the pixel clocks nor the stereo layout. |
| * |
| * RETURNS: |
| * True if the modes are equal, false otherwise. |
| */ |
| bool drm_mode_equal_no_clocks(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2) |
| bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1, |
| const struct drm_display_mode *mode2) |
| { |
| if (mode1->hdisplay == mode2->hdisplay && |
| mode1->hsync_start == mode2->hsync_start && |
| 858,12 → 884,13 |
|---|
| mode1->vsync_end == mode2->vsync_end && |
| mode1->vtotal == mode2->vtotal && |
| mode1->vscan == mode2->vscan && |
| mode1->flags == mode2->flags) |
| (mode1->flags & ~DRM_MODE_FLAG_3D_MASK) == |
| (mode2->flags & ~DRM_MODE_FLAG_3D_MASK)) |
| return true; |
| |
| return false; |
| } |
| EXPORT_SYMBOL(drm_mode_equal_no_clocks); |
| EXPORT_SYMBOL(drm_mode_equal_no_clocks_no_stereo); |
| |
| /** |
| * drm_mode_validate_size - make sure modes adhere to size constraints |