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don't crash if no desired mode

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Dave Airlie 2007-04-18 10:41:39 +10:00
parent 2352ec9bfa
commit d20aaf4858
1 changed files with 5 additions and 1 deletions
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6
linux-core/drm_crtc.c
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@ -572,7 +572,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow)
/* bind analog output to one crtc */
list_for_each_entry(output, &dev->mode_config.output_list, head) {
struct drm_display_mode *des_mode;
struct drm_display_mode *des_mode = NULL;
if (list_empty(&output->modes))
continue;
@ -582,6 +582,10 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow)
if (des_mode->flags & DRM_MODE_TYPE_PREFERRED)
break;
}
if (!des_mode)
continue;
if (!strncmp(output->name, "VGA", 3)) {
DRM_DEBUG("VGA preferred mode: %s\n", des_mode->name);
drm_setup_output(output, vga_crtc, des_mode);