---

yaml --- r: 168474 b: refs/heads/master c: 8f552a6 h: refs/heads/master v: v3
git-mirror · Oct 28, 2009 · fa1f93c · fa1f93c
1 parent 9ca1d52
commit fa1f93c
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3e5cb98dfe87cc61d0a1119dd8aa2b1e4cfab424
+refs/heads/master: 8f552a66a40bcc6e903e91310f42fe140e0342c4
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_atombios.c b/trunk/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -655,6 +655,16 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
 				p1pll->pll_out_min = 64800;
 			else
 				p1pll->pll_out_min = 20000;
+		} else if (p1pll->pll_out_min > 64800) {
+			/* Limiting the pll output range is a good thing generally as
+			 * it limits the number of possible pll combinations for a given
+			 * frequency presumably to the ones that work best on each card.
+			 * However, certain duallink DVI monitors seem to like
+			 * pll combinations that would be limited by this at least on
+			 * pre-DCE 3.0 r6xx hardware.  This might need to be adjusted per
+			 * family.
+			 */
+			p1pll->pll_out_min = 64800;
 		}
 
 		p1pll->pll_in_min =