| 553,6 → 553,32 |
|---|
| } |
| EXPORT_SYMBOL(drm_mode_height); |
| |
| /** drm_mode_hsync - get the hsync of a mode |
| * @mode: mode |
| * |
| * LOCKING: |
| * None. |
| * |
| * Return @modes's hsync rate in kHz, rounded to the nearest int. |
| */ |
| int drm_mode_hsync(struct drm_display_mode *mode) |
| { |
| unsigned int calc_val; |
| |
| if (mode->hsync) |
| return mode->hsync; |
| |
| if (mode->htotal < 0) |
| return 0; |
| |
| calc_val = (mode->clock * 1000) / mode->htotal; /* hsync in Hz */ |
| calc_val += 500; /* round to 1000Hz */ |
| calc_val /= 1000; /* truncate to kHz */ |
| |
| return calc_val; |
| } |
| EXPORT_SYMBOL(drm_mode_hsync); |
| |
| /** |
| * drm_mode_vrefresh - get the vrefresh of a mode |
| * @mode: mode |
| 560,7 → 586,7 |
|---|
| * LOCKING: |
| * None. |
| * |
| * Return @mode's vrefresh rate or calculate it if necessary. |
| * Return @mode's vrefresh rate in Hz or calculate it if necessary. |
| * |
| * FIXME: why is this needed? shouldn't vrefresh be set already? |
| * |