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Check mode before adding to EDID

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Alan Hourihane 2008-03-04 17:53:04 +00:00
parent 8bfe29d9e4
commit 1a959a2095
1 changed files with 18 additions and 10 deletions
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8
linux-core/drm_edid.c
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@ -223,9 +223,11 @@ static int add_established_modes(struct drm_output *output, struct edid *edid)
if (est_bits & (1<<i)) { if (est_bits & (1<<i)) {
struct drm_display_mode *newmode; struct drm_display_mode *newmode;
newmode = drm_mode_duplicate(dev, &edid_est_modes[i]); newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
if (newmode) {
drm_mode_probed_add(output, newmode); drm_mode_probed_add(output, newmode);
modes++; modes++;
} }
}
return modes; return modes;
} }
@ -251,9 +253,11 @@ static int add_standard_modes(struct drm_output *output, struct edid *edid)
continue; continue;
newmode = drm_mode_std(dev, &edid->standard_timings[i]); newmode = drm_mode_std(dev, &edid->standard_timings[i]);
if (newmode) {
drm_mode_probed_add(output, newmode); drm_mode_probed_add(output, newmode);
modes++; modes++;
} }
}
return modes; return modes;
} }
@ -283,11 +287,13 @@ static int add_detailed_info(struct drm_output *output, struct edid *edid)
if (timing->pixel_clock) { if (timing->pixel_clock) {
newmode = drm_mode_detailed(dev, timing); newmode = drm_mode_detailed(dev, timing);
/* First detailed mode is preferred */ /* First detailed mode is preferred */
if (newmode) {
if (i == 0 && edid->preferred_timing) if (i == 0 && edid->preferred_timing)
newmode->type |= DRM_MODE_TYPE_PREFERRED; newmode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(output, newmode); drm_mode_probed_add(output, newmode);
modes++; modes++;
}
continue; continue;
} }
@ -312,9 +318,11 @@ static int add_detailed_info(struct drm_output *output, struct edid *edid)
std = &data->data.timings[j]; std = &data->data.timings[j];
newmode = drm_mode_std(dev, std); newmode = drm_mode_std(dev, std);
if (newmode) {
drm_mode_probed_add(output, newmode); drm_mode_probed_add(output, newmode);
modes++; modes++;
} }
}
break; break;
default: default:
break; break;