Merge branch 'viafb-pll' into viafb-next

1 files changed, 350 insertions, 390 deletions

diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 6cb3b5626f0..5728fd76bc1 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -22,342 +22,272 @@
 #include <linux/via-core.h>
 #include "global.h"
 
-static struct pll_map pll_value[] = {
-	{25175000,
-		{99, 7, 3},
-		{85, 3, 4},	/* ignoring bit difference: 0x00008000 */
-		{141, 5, 4},
-		{141, 5, 4} },
-	{29581000,
-		{33, 4, 2},
-		{66, 2, 4},	/* ignoring bit difference: 0x00808000 */
-		{166, 5, 4},	/* ignoring bit difference: 0x00008000 */
-		{165, 5, 4} },
-	{26880000,
-		{15, 4, 1},
-		{30, 2, 3},	/* ignoring bit difference: 0x00808000 */
-		{150, 5, 4},
-		{150, 5, 4} },
-	{31500000,
-		{53, 3, 3},	/* ignoring bit difference: 0x00008000 */
-		{141, 4, 4},	/* ignoring bit difference: 0x00008000 */
-		{176, 5, 4},
-		{176, 5, 4} },
-	{31728000,
-		{31, 7, 1},
-		{177, 5, 4},	/* ignoring bit difference: 0x00008000 */
-		{177, 5, 4},
-		{142, 4, 4} },
-	{32688000,
-		{73, 4, 3},
-		{146, 4, 4},	/* ignoring bit difference: 0x00008000 */
-		{183, 5, 4},
-		{146, 4, 4} },
-	{36000000,
-		{101, 5, 3},	/* ignoring bit difference: 0x00008000 */
-		{161, 4, 4},	/* ignoring bit difference: 0x00008000 */
-		{202, 5, 4},
-		{161, 4, 4} },
-	{40000000,
-		{89, 4, 3},
-		{89, 4, 3},	/* ignoring bit difference: 0x00008000 */
-		{112, 5, 3},
-		{112, 5, 3} },
-	{41291000,
-		{23, 4, 1},
-		{69, 3, 3},	/* ignoring bit difference: 0x00008000 */
-		{115, 5, 3},
-		{115, 5, 3} },
-	{43163000,
-		{121, 5, 3},
-		{121, 5, 3},	/* ignoring bit difference: 0x00008000 */
-		{121, 5, 3},
-		{121, 5, 3} },
-	{45250000,
-		{127, 5, 3},
-		{127, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{127, 5, 3},
-		{127, 5, 3} },
-	{46000000,
-		{90, 7, 2},
-		{103, 4, 3},	/* ignoring bit difference: 0x00008000 */
-		{129, 5, 3},
-		{103, 4, 3} },
-	{46996000,
-		{105, 4, 3},	/* ignoring bit difference: 0x00008000 */
-		{131, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{131, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{105, 4, 3} },
-	{48000000,
-		{67, 20, 0},
-		{134, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{134, 5, 3},
-		{134, 5, 3} },
-	{48875000,
-		{99, 29, 0},
-		{82, 3, 3},	/* ignoring bit difference: 0x00808000 */
-		{82, 3, 3},	/* ignoring bit difference: 0x00808000 */
-		{137, 5, 3} },
-	{49500000,
-		{83, 6, 2},
-		{83, 3, 3},	/* ignoring bit difference: 0x00008000 */
-		{138, 5, 3},
-		{83, 3, 3} },
-	{52406000,
-		{117, 4, 3},
-		{117, 4, 3},	/* ignoring bit difference: 0x00008000 */
-		{117, 4, 3},
-		{88, 3, 3} },
-	{52977000,
-		{37, 5, 1},
-		{148, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{148, 5, 3},
-		{148, 5, 3} },
-	{56250000,
-		{55, 7, 1},	/* ignoring bit difference: 0x00008000 */
-		{126, 4, 3},	/* ignoring bit difference: 0x00008000 */
-		{157, 5, 3},
-		{157, 5, 3} },
-	{57275000,
-		{0, 0, 0},
-		{2, 2, 0},
-		{2, 2, 0},
-		{157, 5, 3} },	/* ignoring bit difference: 0x00808000 */
-	{60466000,
-		{76, 9, 1},
-		{169, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{169, 5, 3},	/* FIXED: old = {72, 2, 3} */
-		{169, 5, 3} },
-	{61500000,
-		{86, 20, 0},
-		{172, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{172, 5, 3},
-		{172, 5, 3} },
-	{65000000,
-		{109, 6, 2},	/* ignoring bit difference: 0x00008000 */
-		{109, 3, 3},	/* ignoring bit difference: 0x00008000 */
-		{109, 3, 3},
-		{109, 3, 3} },
-	{65178000,
-		{91, 5, 2},
-		{182, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{109, 3, 3},
-		{182, 5, 3} },
-	{66750000,
-		{75, 4, 2},
-		{150, 4, 3},	/* ignoring bit difference: 0x00808000 */
-		{150, 4, 3},
-		{112, 3, 3} },
-	{68179000,
-		{19, 4, 0},
-		{114, 3, 3},	/* ignoring bit difference: 0x00008000 */
-		{190, 5, 3},
-		{191, 5, 3} },
-	{69924000,
-		{83, 17, 0},
-		{195, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{195, 5, 3},
-		{195, 5, 3} },
-	{70159000,
-		{98, 20, 0},
-		{196, 5, 3},	/* ignoring bit difference: 0x00808000 */
-		{196, 5, 3},
-		{195, 5, 3} },
-	{72000000,
-		{121, 24, 0},
-		{161, 4, 3},	/* ignoring bit difference: 0x00808000 */
-		{161, 4, 3},
-		{161, 4, 3} },
-	{78750000,
-		{33, 3, 1},
-		{66, 3, 2},	/* ignoring bit difference: 0x00008000 */
-		{110, 5, 2},
-		{110, 5, 2} },
-	{80136000,
-		{28, 5, 0},
-		{68, 3, 2},	/* ignoring bit difference: 0x00008000 */
-		{112, 5, 2},
-		{112, 5, 2} },
-	{83375000,
-		{93, 2, 3},
-		{93, 4, 2},	/* ignoring bit difference: 0x00800000 */
-		{93, 4, 2},	/* ignoring bit difference: 0x00800000 */
-		{117, 5, 2} },
-	{83950000,
-		{41, 7, 0},
-		{117, 5, 2},	/* ignoring bit difference: 0x00008000 */
-		{117, 5, 2},
-		{117, 5, 2} },
-	{84750000,
-		{118, 5, 2},
-		{118, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{118, 5, 2},
-		{118, 5, 2} },
-	{85860000,
-		{84, 7, 1},
-		{120, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{120, 5, 2},
-		{118, 5, 2} },
-	{88750000,
-		{31, 5, 0},
-		{124, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{174, 7, 2},	/* ignoring bit difference: 0x00808000 */
-		{124, 5, 2} },
-	{94500000,
-		{33, 5, 0},
-		{132, 5, 2},	/* ignoring bit difference: 0x00008000 */
-		{132, 5, 2},
-		{132, 5, 2} },
-	{97750000,
-		{82, 6, 1},
-		{137, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{137, 5, 2},
-		{137, 5, 2} },
-	{101000000,
-		{127, 9, 1},
-		{141, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{141, 5, 2},
-		{141, 5, 2} },
-	{106500000,
-		{119, 4, 2},
-		{119, 4, 2},	/* ignoring bit difference: 0x00808000 */
-		{119, 4, 2},
-		{149, 5, 2} },
-	{108000000,
-		{121, 4, 2},
-		{121, 4, 2},	/* ignoring bit difference: 0x00808000 */
-		{151, 5, 2},
-		{151, 5, 2} },
-	{113309000,
-		{95, 12, 0},
-		{95, 3, 2},	/* ignoring bit difference: 0x00808000 */
-		{95, 3, 2},
-		{159, 5, 2} },
-	{118840000,
-		{83, 5, 1},
-		{166, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{166, 5, 2},
-		{166, 5, 2} },
-	{119000000,
-		{108, 13, 0},
-		{133, 4, 2},	/* ignoring bit difference: 0x00808000 */
-		{133, 4, 2},
-		{167, 5, 2} },
-	{121750000,
-		{85, 5, 1},
-		{170, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{68, 2, 2},
-		{0, 0, 0} },
-	{125104000,
-		{53, 6, 0},	/* ignoring bit difference: 0x00008000 */
-		{106, 3, 2},	/* ignoring bit difference: 0x00008000 */
-		{175, 5, 2},
-		{0, 0, 0} },
-	{135000000,
-		{94, 5, 1},
-		{28, 3, 0},	/* ignoring bit difference: 0x00804000 */
-		{151, 4, 2},
-		{189, 5, 2} },
-	{136700000,
-		{115, 12, 0},
-		{191, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{191, 5, 2},
-		{191, 5, 2} },
-	{138400000,
-		{87, 9, 0},
-		{116, 3, 2},	/* ignoring bit difference: 0x00808000 */
-		{116, 3, 2},
-		{194, 5, 2} },
-	{146760000,
-		{103, 5, 1},
-		{206, 5, 2},	/* ignoring bit difference: 0x00808000 */
-		{206, 5, 2},
-		{206, 5, 2} },
-	{153920000,
-		{86, 8, 0},
-		{86, 4, 1},	/* ignoring bit difference: 0x00808000 */
-		{86, 4, 1},
-		{86, 4, 1} },	/* FIXED: old = {84, 2, 1} */
-	{156000000,
-		{109, 5, 1},
-		{109, 5, 1},	/* ignoring bit difference: 0x00808000 */
-		{109, 5, 1},
-		{108, 5, 1} },
-	{157500000,
-		{55, 5, 0},	/* ignoring bit difference: 0x00008000 */
-		{22, 2, 0},	/* ignoring bit difference: 0x00802000 */
-		{110, 5, 1},
-		{110, 5, 1} },
-	{162000000,
-		{113, 5, 1},
-		{113, 5, 1},	/* ignoring bit difference: 0x00808000 */
-		{113, 5, 1},
-		{113, 5, 1} },
-	{187000000,
-		{118, 9, 0},
-		{131, 5, 1},	/* ignoring bit difference: 0x00808000 */
-		{131, 5, 1},
-		{131, 5, 1} },
-	{193295000,
-		{108, 8, 0},
-		{81, 3, 1},	/* ignoring bit difference: 0x00808000 */
-		{135, 5, 1},
-		{135, 5, 1} },
-	{202500000,
-		{99, 7, 0},
-		{85, 3, 1},	/* ignoring bit difference: 0x00808000 */
-		{142, 5, 1},
-		{142, 5, 1} },
-	{204000000,
-		{100, 7, 0},
-		{143, 5, 1},	/* ignoring bit difference: 0x00808000 */
-		{143, 5, 1},
-		{143, 5, 1} },
-	{218500000,
-		{92, 6, 0},
-		{153, 5, 1},	/* ignoring bit difference: 0x00808000 */
-		{153, 5, 1},
-		{153, 5, 1} },
-	{234000000,
-		{98, 6, 0},
-		{98, 3, 1},	/* ignoring bit difference: 0x00008000 */
-		{98, 3, 1},
-		{164, 5, 1} },
-	{267250000,
-		{112, 6, 0},
-		{112, 3, 1},	/* ignoring bit difference: 0x00808000 */
-		{187, 5, 1},
-		{187, 5, 1} },
-	{297500000,
-		{102, 5, 0},	/* ignoring bit difference: 0x00008000 */
-		{166, 4, 1},	/* ignoring bit difference: 0x00008000 */
-		{208, 5, 1},
-		{208, 5, 1} },
-	{74481000,
-		{26, 5, 0},
-		{125, 3, 3},	/* ignoring bit difference: 0x00808000 */
-		{208, 5, 3},
-		{209, 5, 3} },
-	{172798000,
-		{121, 5, 1},
-		{121, 5, 1},	/* ignoring bit difference: 0x00808000 */
-		{121, 5, 1},
-		{121, 5, 1} },
-	{122614000,
-		{60, 7, 0},
-		{137, 4, 2},	/* ignoring bit difference: 0x00808000 */
-		{137, 4, 2},
-		{172, 5, 2} },
-	{74270000,
-		{83, 8, 1},
-		{208, 5, 3},
-		{208, 5, 3},
-		{0, 0, 0} },
-	{148500000,
-		{83, 8, 0},
-		{208, 5, 2},
-		{166, 4, 2},
-		{208, 5, 2} }
+static struct pll_config cle266_pll_config[] = {
+	{19, 4, 0},
+	{26, 5, 0},
+	{28, 5, 0},
+	{31, 5, 0},
+	{33, 5, 0},
+	{55, 5, 0},
+	{102, 5, 0},
+	{53, 6, 0},
+	{92, 6, 0},
+	{98, 6, 0},
+	{112, 6, 0},
+	{41, 7, 0},
+	{60, 7, 0},
+	{99, 7, 0},
+	{100, 7, 0},
+	{83, 8, 0},
+	{86, 8, 0},
+	{108, 8, 0},
+	{87, 9, 0},
+	{118, 9, 0},
+	{95, 12, 0},
+	{115, 12, 0},
+	{108, 13, 0},
+	{83, 17, 0},
+	{67, 20, 0},
+	{86, 20, 0},
+	{98, 20, 0},
+	{121, 24, 0},
+	{99, 29, 0},
+	{33, 3, 1},
+	{15, 4, 1},
+	{23, 4, 1},
+	{37, 5, 1},
+	{83, 5, 1},
+	{85, 5, 1},
+	{94, 5, 1},
+	{103, 5, 1},
+	{109, 5, 1},
+	{113, 5, 1},
+	{121, 5, 1},
+	{82, 6, 1},
+	{31, 7, 1},
+	{55, 7, 1},
+	{84, 7, 1},
+	{83, 8, 1},
+	{76, 9, 1},
+	{127, 9, 1},
+	{33, 4, 2},
+	{75, 4, 2},
+	{119, 4, 2},
+	{121, 4, 2},
+	{91, 5, 2},
+	{118, 5, 2},
+	{83, 6, 2},
+	{109, 6, 2},
+	{90, 7, 2},
+	{93, 2, 3},
+	{53, 3, 3},
+	{73, 4, 3},
+	{89, 4, 3},
+	{105, 4, 3},
+	{117, 4, 3},
+	{101, 5, 3},
+	{121, 5, 3},
+	{127, 5, 3},
+	{99, 7, 3}
+};
+
+static struct pll_config k800_pll_config[] = {
+	{22, 2, 0},
+	{28, 3, 0},
+	{81, 3, 1},
+	{85, 3, 1},
+	{98, 3, 1},
+	{112, 3, 1},
+	{86, 4, 1},
+	{166, 4, 1},
+	{109, 5, 1},
+	{113, 5, 1},
+	{121, 5, 1},
+	{131, 5, 1},
+	{143, 5, 1},
+	{153, 5, 1},
+	{66, 3, 2},
+	{68, 3, 2},
+	{95, 3, 2},
+	{106, 3, 2},
+	{116, 3, 2},
+	{93, 4, 2},
+	{119, 4, 2},
+	{121, 4, 2},
+	{133, 4, 2},
+	{137, 4, 2},
+	{117, 5, 2},
+	{118, 5, 2},
+	{120, 5, 2},
+	{124, 5, 2},
+	{132, 5, 2},
+	{137, 5, 2},
+	{141, 5, 2},
+	{166, 5, 2},
+	{170, 5, 2},
+	{191, 5, 2},
+	{206, 5, 2},
+	{208, 5, 2},
+	{30, 2, 3},
+	{69, 3, 3},
+	{82, 3, 3},
+	{83, 3, 3},
+	{109, 3, 3},
+	{114, 3, 3},
+	{125, 3, 3},
+	{89, 4, 3},
+	{103, 4, 3},
+	{117, 4, 3},
+	{126, 4, 3},
+	{150, 4, 3},
+	{161, 4, 3},
+	{121, 5, 3},
+	{127, 5, 3},
+	{131, 5, 3},
+	{134, 5, 3},
+	{148, 5, 3},
+	{169, 5, 3},
+	{172, 5, 3},
+	{182, 5, 3},
+	{195, 5, 3},
+	{196, 5, 3},
+	{208, 5, 3},
+	{66, 2, 4},
+	{85, 3, 4},
+	{141, 4, 4},
+	{146, 4, 4},
+	{161, 4, 4},
+	{177, 5, 4}
+};
+
+static struct pll_config cx700_pll_config[] = {
+	{98, 3, 1},
+	{86, 4, 1},
+	{109, 5, 1},
+	{110, 5, 1},
+	{113, 5, 1},
+	{121, 5, 1},
+	{131, 5, 1},
+	{135, 5, 1},
+	{142, 5, 1},
+	{143, 5, 1},
+	{153, 5, 1},
+	{187, 5, 1},
+	{208, 5, 1},
+	{68, 2, 2},
+	{95, 3, 2},
+	{116, 3, 2},
+	{93, 4, 2},
+	{119, 4, 2},
+	{133, 4, 2},
+	{137, 4, 2},
+	{151, 4, 2},
+	{166, 4, 2},
+	{110, 5, 2},
+	{112, 5, 2},
+	{117, 5, 2},
+	{118, 5, 2},
+	{120, 5, 2},
+	{132, 5, 2},
+	{137, 5, 2},
+	{141, 5, 2},
+	{151, 5, 2},
+	{166, 5, 2},
+	{175, 5, 2},
+	{191, 5, 2},
+	{206, 5, 2},
+	{174, 7, 2},
+	{82, 3, 3},
+	{109, 3, 3},
+	{117, 4, 3},
+	{150, 4, 3},
+	{161, 4, 3},
+	{112, 5, 3},
+	{115, 5, 3},
+	{121, 5, 3},
+	{127, 5, 3},
+	{129, 5, 3},
+	{131, 5, 3},
+	{134, 5, 3},
+	{138, 5, 3},
+	{148, 5, 3},
+	{157, 5, 3},
+	{169, 5, 3},
+	{172, 5, 3},
+	{190, 5, 3},
+	{195, 5, 3},
+	{196, 5, 3},
+	{208, 5, 3},
+	{141, 5, 4},
+	{150, 5, 4},
+	{166, 5, 4},
+	{176, 5, 4},
+	{177, 5, 4},
+	{183, 5, 4},
+	{202, 5, 4}
+};
+
+static struct pll_config vx855_pll_config[] = {
+	{86, 4, 1},
+	{108, 5, 1},
+	{110, 5, 1},
+	{113, 5, 1},
+	{121, 5, 1},
+	{131, 5, 1},
+	{135, 5, 1},
+	{142, 5, 1},
+	{143, 5, 1},
+	{153, 5, 1},
+	{164, 5, 1},
+	{187, 5, 1},
+	{208, 5, 1},
+	{110, 5, 2},
+	{112, 5, 2},
+	{117, 5, 2},
+	{118, 5, 2},
+	{124, 5, 2},
+	{132, 5, 2},
+	{137, 5, 2},
+	{141, 5, 2},
+	{149, 5, 2},
+	{151, 5, 2},
+	{159, 5, 2},
+	{166, 5, 2},
+	{167, 5, 2},
+	{172, 5, 2},
+	{189, 5, 2},
+	{191, 5, 2},
+	{194, 5, 2},
+	{206, 5, 2},
+	{208, 5, 2},
+	{83, 3, 3},
+	{88, 3, 3},
+	{109, 3, 3},
+	{112, 3, 3},
+	{103, 4, 3},
+	{105, 4, 3},
+	{161, 4, 3},
+	{112, 5, 3},
+	{115, 5, 3},
+	{121, 5, 3},
+	{127, 5, 3},
+	{134, 5, 3},
+	{137, 5, 3},
+	{148, 5, 3},
+	{157, 5, 3},
+	{169, 5, 3},
+	{172, 5, 3},
+	{182, 5, 3},
+	{191, 5, 3},
+	{195, 5, 3},
+	{209, 5, 3},
+	{142, 4, 4},
+	{146, 4, 4},
+	{161, 4, 4},
+	{141, 5, 4},
+	{150, 5, 4},
+	{165, 5, 4},
+	{176, 5, 4}
 };
 
 /* according to VIA Technologies these values are based on experiment */
@@ -1692,43 +1622,63 @@ static u32 vx855_encode_pll(struct pll_config pll)
 		| pll.multiplier;
 }
 
-u32 viafb_get_clk_value(int clk)
+static inline u32 get_pll_internal_frequency(u32 ref_freq,
+	struct pll_config pll)
 {
-	u32 value = 0;
-	int i = 0;
+	return ref_freq / pll.divisor * pll.multiplier;
+}
 
-	while (i < NUM_TOTAL_PLL_TABLE && clk != pll_value[i].clk)
-		i++;
+static inline u32 get_pll_output_frequency(u32 ref_freq, struct pll_config pll)
+{
+	return get_pll_internal_frequency(ref_freq, pll)>>pll.rshift;
+}
 
-	if (i == NUM_TOTAL_PLL_TABLE) {
-		printk(KERN_WARNING "viafb_get_clk_value: PLL lookup failed!");
-	} else {
-		switch (viaparinfo->chip_info->gfx_chip_name) {
-		case UNICHROME_CLE266:
-		case UNICHROME_K400:
-			value = cle266_encode_pll(pll_value[i].cle266_pll);
-			break;
+static struct pll_config get_pll_config(struct pll_config *config, int size,
+	int clk)
+{
+	struct pll_config best = config[0];
+	const u32 f0 = 14318180; /* X1 frequency */
+	int i;
 
-		case UNICHROME_K800:
-		case UNICHROME_PM800:
-		case UNICHROME_CN700:
-			value = k800_encode_pll(pll_value[i].k800_pll);
-			break;
+	for (i = 1; i < size; i++) {
+		if (abs(get_pll_output_frequency(f0, config[i]) - clk)
+			< abs(get_pll_output_frequency(f0, best) - clk))
+			best = config[i];
+	}
 
-		case UNICHROME_CX700:
-		case UNICHROME_CN750:
-		case UNICHROME_K8M890:
-		case UNICHROME_P4M890:
-		case UNICHROME_P4M900:
-		case UNICHROME_VX800:
-			value = k800_encode_pll(pll_value[i].cx700_pll);
-			break;
+	return best;
+}
 
-		case UNICHROME_VX855:
-		case UNICHROME_VX900:
-			value = vx855_encode_pll(pll_value[i].vx855_pll);
-			break;
-		}
+u32 viafb_get_clk_value(int clk)
+{
+	u32 value = 0;
+
+	switch (viaparinfo->chip_info->gfx_chip_name) {
+	case UNICHROME_CLE266:
+	case UNICHROME_K400:
+		value = cle266_encode_pll(get_pll_config(cle266_pll_config,
+			ARRAY_SIZE(cle266_pll_config), clk));
+		break;
+	case UNICHROME_K800:
+	case UNICHROME_PM800:
+	case UNICHROME_CN700:
+		value = k800_encode_pll(get_pll_config(k800_pll_config,
+			ARRAY_SIZE(k800_pll_config), clk));
+		break;
+	case UNICHROME_CX700:
+	case UNICHROME_CN750:
+	case UNICHROME_K8M890:
+	case UNICHROME_P4M890:
+	case UNICHROME_P4M900:
+	case UNICHROME_VX800:
+		value = k800_encode_pll(get_pll_config(cx700_pll_config,
+			ARRAY_SIZE(cx700_pll_config), clk));
+		break;
+	case UNICHROME_VX855:
+	case UNICHROME_VX900:
+		value = vx855_encode_pll(get_pll_config(vx855_pll_config,
+			ARRAY_SIZE(vx855_pll_config), clk));
+		break;
 	}
 
 	return value;
@@ -2052,7 +2002,7 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
 	int i;
 	int index = 0;
 	int h_addr, v_addr;
-	u32 pll_D_N;
+	u32 pll_D_N, clock;
 
 	for (i = 0; i < video_mode->mode_array; i++) {
 		index = i;
@@ -2105,7 +2055,9 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
 	    && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
 		viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
 
-	pll_D_N = viafb_get_clk_value(crt_table[index].clk);
+	clock = crt_reg.hor_total * crt_reg.ver_total
+		* crt_table[index].refresh_rate;
+	pll_D_N = viafb_get_clk_value(clock);
 	DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
 	viafb_set_vclock(pll_D_N, set_iga);
 
@@ -2616,35 +2568,43 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
 {
 	int i;
+	struct crt_mode_table *best;
+	struct VideoModeTable *vmode = viafb_get_mode(hres, vres);
 
-	for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
-		if ((hres == res_map_refresh_tbl[i].hres)
-		    && (vres == res_map_refresh_tbl[i].vres)
-		    && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh))
-			return res_map_refresh_tbl[i].pixclock;
+	if (!vmode)
+		return RES_640X480_60HZ_PIXCLOCK;
+
+	best = &vmode->crtc[0];
+	for (i = 1; i < vmode->mode_array; i++) {
+		if (abs(vmode->crtc[i].refresh_rate - vmode_refresh)
+			< abs(best->refresh_rate - vmode_refresh))
+			best = &vmode->crtc[i];
 	}
-	return RES_640X480_60HZ_PIXCLOCK;
 
+	return 1000000000 / (best->crtc.hor_total * best->crtc.ver_total)
+		* 1000 / best->refresh_rate;
 }
 
 int viafb_get_refresh(int hres, int vres, u32 long_refresh)
 {
-#define REFRESH_TOLERANCE 3
-	int i, nearest = -1, diff = REFRESH_TOLERANCE;
-	for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
-		if ((hres == res_map_refresh_tbl[i].hres)
-		    && (vres == res_map_refresh_tbl[i].vres)
-		    && (diff > (abs(long_refresh -
-		    res_map_refresh_tbl[i].vmode_refresh)))) {
-			diff = abs(long_refresh - res_map_refresh_tbl[i].
-				vmode_refresh);
-			nearest = i;
-		}
+	int i;
+	struct crt_mode_table *best;
+	struct VideoModeTable *vmode = viafb_get_mode(hres, vres);
+
+	if (!vmode)
+		return 60;
+
+	best = &vmode->crtc[0];
+	for (i = 1; i < vmode->mode_array; i++) {
+		if (abs(vmode->crtc[i].refresh_rate - long_refresh)
+			< abs(best->refresh_rate - long_refresh))
+			best = &vmode->crtc[i];
 	}
-#undef REFRESH_TOLERANCE
-	if (nearest > 0)
-		return res_map_refresh_tbl[nearest].vmode_refresh;
-	return 60;
+
+	if (abs(best->refresh_rate - long_refresh) > 3)
+		return 60;
+
+	return best->refresh_rate;
 }
 
 static void device_off(void)