Signed-off-by: Adam Jackson <a...@redhat.com>
---
drivers/gpu/drm/drm_edid.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 5873e48..4a3e61a 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1007,8 +1007,15 @@ range_pixel_clock(struct edid *edid, u8 *t)
if (edid->revision >= 4 && t[10] == 0x04)
return (t[9] * 10000) - ((t[12] >> 2) * 250);
- /* 1.3 is pathetic, so fuzz up a bit */
- return t[9] * 10000 + 5001;
+ /*
+ * Otherwise we have only 10MHz granularity. If we were using this
+ * code to filter an EDID mode list we'd want to round up like
+ * xserver does, as it's common to see a max of 160MHz but a 162MHz
+ * 1600x1200 mode as the preferred timing. But since we're using
+ * this as a filter while _building_ the list from implied support,
+ * not rounding up is the safe thing.
+ */
+ return t[9] * 10000;
}
static bool
--
1.7.7.6
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
