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path: root/drivers/gpu/drm/drm_edid.c
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Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 2f325bc..fb7cf0e 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1329,7 +1329,7 @@ static u32 edid_get_quirks(struct edid *edid)
}
#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
-#define MODE_REFRESH_DIFF(m,r) (abs((m)->vrefresh - target_refresh))
+#define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
/**
* edid_fixup_preferred - set preferred modes based on quirk list
@@ -1344,6 +1344,7 @@ static void edid_fixup_preferred(struct drm_connector *connector,
{
struct drm_display_mode *t, *cur_mode, *preferred_mode;
int target_refresh = 0;
+ int cur_vrefresh, preferred_vrefresh;
if (list_empty(&connector->probed_modes))
return;
@@ -1366,10 +1367,14 @@ static void edid_fixup_preferred(struct drm_connector *connector,
if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
preferred_mode = cur_mode;
+ cur_vrefresh = cur_mode->vrefresh ?
+ cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
+ preferred_vrefresh = preferred_mode->vrefresh ?
+ preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
/* At a given size, try to get closest to target refresh */
if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
- MODE_REFRESH_DIFF(cur_mode, target_refresh) <
- MODE_REFRESH_DIFF(preferred_mode, target_refresh)) {
+ MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
+ MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
preferred_mode = cur_mode;
}
}