viafb: factor lcd scaling parameters out

These parameters are the same for all currently known VIA IGPs so it
does not make any sense to store them with IGP specific data. This
saves a few bytes and helps a bit in dicovering the real differences.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

2 files changed, 19 insertions, 85 deletions

diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index b0b02783b6e..6cb3b5626f0 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -360,6 +360,24 @@ static struct pll_map pll_value[] = {
 		{208, 5, 2} }
 };
 
+/* according to VIA Technologies these values are based on experiment */
+static struct io_reg scaling_parameters[] = {
+	{VIACR, CR7A, 0xFF, 0x01},	/* LCD Scaling Parameter 1 */
+	{VIACR, CR7B, 0xFF, 0x02},	/* LCD Scaling Parameter 2 */
+	{VIACR, CR7C, 0xFF, 0x03},	/* LCD Scaling Parameter 3 */
+	{VIACR, CR7D, 0xFF, 0x04},	/* LCD Scaling Parameter 4 */
+	{VIACR, CR7E, 0xFF, 0x07},	/* LCD Scaling Parameter 5 */
+	{VIACR, CR7F, 0xFF, 0x0A},	/* LCD Scaling Parameter 6 */
+	{VIACR, CR80, 0xFF, 0x0D},	/* LCD Scaling Parameter 7 */
+	{VIACR, CR81, 0xFF, 0x13},	/* LCD Scaling Parameter 8 */
+	{VIACR, CR82, 0xFF, 0x16},	/* LCD Scaling Parameter 9 */
+	{VIACR, CR83, 0xFF, 0x19},	/* LCD Scaling Parameter 10 */
+	{VIACR, CR84, 0xFF, 0x1C},	/* LCD Scaling Parameter 11 */
+	{VIACR, CR85, 0xFF, 0x1D},	/* LCD Scaling Parameter 12 */
+	{VIACR, CR86, 0xFF, 0x1E},	/* LCD Scaling Parameter 13 */
+	{VIACR, CR87, 0xFF, 0x1F},	/* LCD Scaling Parameter 14 */
+};
+
 static struct fifo_depth_select display_fifo_depth_reg = {
 	/* IGA1 FIFO Depth_Select */
 	{IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } },
@@ -2419,6 +2437,7 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
 		break;
 	}
 
+	viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters));
 	device_off();
 	via_set_state(devices, VIA_STATE_OFF);
 
diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c
index 4b06dd73cca..81274890fc2 100644
--- a/drivers/video/via/viamode.c
+++ b/drivers/video/via/viamode.c
@@ -108,20 +108,6 @@ struct io_reg CN400_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
 {VIACR, CR6A, 0xFF, 0x40},
 {VIACR, CR6B, 0xFF, 0x00},
 {VIACR, CR6C, 0xFF, 0x00},
-{VIACR, CR7A, 0xFF, 0x01},	/* LCD Scaling Parameter 1             */
-{VIACR, CR7B, 0xFF, 0x02},	/* LCD Scaling Parameter 2             */
-{VIACR, CR7C, 0xFF, 0x03},	/* LCD Scaling Parameter 3             */
-{VIACR, CR7D, 0xFF, 0x04},	/* LCD Scaling Parameter 4             */
-{VIACR, CR7E, 0xFF, 0x07},	/* LCD Scaling Parameter 5             */
-{VIACR, CR7F, 0xFF, 0x0A},	/* LCD Scaling Parameter 6             */
-{VIACR, CR80, 0xFF, 0x0D},	/* LCD Scaling Parameter 7             */
-{VIACR, CR81, 0xFF, 0x13},	/* LCD Scaling Parameter 8             */
-{VIACR, CR82, 0xFF, 0x16},	/* LCD Scaling Parameter 9             */
-{VIACR, CR83, 0xFF, 0x19},	/* LCD Scaling Parameter 10            */
-{VIACR, CR84, 0xFF, 0x1C},	/* LCD Scaling Parameter 11            */
-{VIACR, CR85, 0xFF, 0x1D},	/* LCD Scaling Parameter 12            */
-{VIACR, CR86, 0xFF, 0x1E},	/* LCD Scaling Parameter 13            */
-{VIACR, CR87, 0xFF, 0x1F},	/* LCD Scaling Parameter 14            */
 {VIACR, CR88, 0xFF, 0x40},	/* LCD Panel Type                      */
 {VIACR, CR89, 0xFF, 0x00},	/* LCD Timing Control 0                */
 {VIACR, CR8A, 0xFF, 0x88},	/* LCD Timing Control 1                */
@@ -172,20 +158,6 @@ struct io_reg CN700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
 {VIACR, CR78, 0xFF, 0x00},	/* LCD scaling Factor */
 {VIACR, CR79, 0xFF, 0x00},	/* LCD scaling Factor */
 {VIACR, CR9F, 0x03, 0x00},	/* LCD scaling Factor */
-{VIACR, CR7A, 0xFF, 0x01},	/* LCD Scaling Parameter 1 */
-{VIACR, CR7B, 0xFF, 0x02},	/* LCD Scaling Parameter 2 */
-{VIACR, CR7C, 0xFF, 0x03},	/* LCD Scaling Parameter 3 */
-{VIACR, CR7D, 0xFF, 0x04},	/* LCD Scaling Parameter 4 */
-{VIACR, CR7E, 0xFF, 0x07},	/* LCD Scaling Parameter 5 */
-{VIACR, CR7F, 0xFF, 0x0A},	/* LCD Scaling Parameter 6 */
-{VIACR, CR80, 0xFF, 0x0D},	/* LCD Scaling Parameter 7 */
-{VIACR, CR81, 0xFF, 0x13},	/* LCD Scaling Parameter 8 */
-{VIACR, CR82, 0xFF, 0x16},	/* LCD Scaling Parameter 9 */
-{VIACR, CR83, 0xFF, 0x19},	/* LCD Scaling Parameter 10 */
-{VIACR, CR84, 0xFF, 0x1C},	/* LCD Scaling Parameter 11 */
-{VIACR, CR85, 0xFF, 0x1D},	/* LCD Scaling Parameter 12 */
-{VIACR, CR86, 0xFF, 0x1E},	/* LCD Scaling Parameter 13 */
-{VIACR, CR87, 0xFF, 0x1F},	/* LCD Scaling Parameter 14 */
 {VIACR, CR88, 0xFF, 0x40},	/* LCD Panel Type */
 {VIACR, CR89, 0xFF, 0x00},	/* LCD Timing Control 0 */
 {VIACR, CR8A, 0xFF, 0x88},	/* LCD Timing Control 1 */
@@ -229,20 +201,6 @@ struct io_reg KM400_ModeXregs[] = {
 	{VIACR, CR36, 0xFF, 0x01},	/* Power Mangement 3                  */
 	{VIACR, CR68, 0xFF, 0x67},	/* Default FIFO For IGA2              */
 	{VIACR, CR6A, 0x20, 0x20},	/* Extended FIFO On                   */
-	{VIACR, CR7A, 0xFF, 0x01},	/* LCD Scaling Parameter 1            */
-	{VIACR, CR7B, 0xFF, 0x02},	/* LCD Scaling Parameter 2            */
-	{VIACR, CR7C, 0xFF, 0x03},	/* LCD Scaling Parameter 3            */
-	{VIACR, CR7D, 0xFF, 0x04},	/* LCD Scaling Parameter 4            */
-	{VIACR, CR7E, 0xFF, 0x07},	/* LCD Scaling Parameter 5            */
-	{VIACR, CR7F, 0xFF, 0x0A},	/* LCD Scaling Parameter 6            */
-	{VIACR, CR80, 0xFF, 0x0D},	/* LCD Scaling Parameter 7            */
-	{VIACR, CR81, 0xFF, 0x13},	/* LCD Scaling Parameter 8            */
-	{VIACR, CR82, 0xFF, 0x16},	/* LCD Scaling Parameter 9            */
-	{VIACR, CR83, 0xFF, 0x19},	/* LCD Scaling Parameter 10           */
-	{VIACR, CR84, 0xFF, 0x1C},	/* LCD Scaling Parameter 11           */
-	{VIACR, CR85, 0xFF, 0x1D},	/* LCD Scaling Parameter 12           */
-	{VIACR, CR86, 0xFF, 0x1E},	/* LCD Scaling Parameter 13           */
-	{VIACR, CR87, 0xFF, 0x1F},	/* LCD Scaling Parameter 14           */
 	{VIACR, CR88, 0xFF, 0x40},	/* LCD Panel Type                     */
 	{VIACR, CR89, 0xFF, 0x00},	/* LCD Timing Control 0               */
 	{VIACR, CR8A, 0xFF, 0x88},	/* LCD Timing Control 1               */
@@ -283,20 +241,6 @@ struct io_reg CX700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
 {VIACR, CR6A, 0xFF, 0x40},
 {VIACR, CR6B, 0xFF, 0x00},
 {VIACR, CR6C, 0xFF, 0x00},
-{VIACR, CR7A, 0xFF, 0x01},	/* LCD Scaling Parameter 1             */
-{VIACR, CR7B, 0xFF, 0x02},	/* LCD Scaling Parameter 2             */
-{VIACR, CR7C, 0xFF, 0x03},	/* LCD Scaling Parameter 3             */
-{VIACR, CR7D, 0xFF, 0x04},	/* LCD Scaling Parameter 4             */
-{VIACR, CR7E, 0xFF, 0x07},	/* LCD Scaling Parameter 5             */
-{VIACR, CR7F, 0xFF, 0x0A},	/* LCD Scaling Parameter 6             */
-{VIACR, CR80, 0xFF, 0x0D},	/* LCD Scaling Parameter 7             */
-{VIACR, CR81, 0xFF, 0x13},	/* LCD Scaling Parameter 8             */
-{VIACR, CR82, 0xFF, 0x16},	/* LCD Scaling Parameter 9             */
-{VIACR, CR83, 0xFF, 0x19},	/* LCD Scaling Parameter 10            */
-{VIACR, CR84, 0xFF, 0x1C},	/* LCD Scaling Parameter 11            */
-{VIACR, CR85, 0xFF, 0x1D},	/* LCD Scaling Parameter 12            */
-{VIACR, CR86, 0xFF, 0x1E},	/* LCD Scaling Parameter 13            */
-{VIACR, CR87, 0xFF, 0x1F},	/* LCD Scaling Parameter 14            */
 {VIACR, CR88, 0xFF, 0x40},	/* LCD Panel Type                      */
 {VIACR, CR89, 0xFF, 0x00},	/* LCD Timing Control 0                */
 {VIACR, CR8A, 0xFF, 0x88},	/* LCD Timing Control 1                */
@@ -342,20 +286,6 @@ struct io_reg VX855_ModeXregs[] = {
 {VIACR, CR6A, 0xFD, 0x60},
 {VIACR, CR6B, 0xFF, 0x00},
 {VIACR, CR6C, 0xFF, 0x00},
-{VIACR, CR7A, 0xFF, 0x01},          /* LCD Scaling Parameter 1             */
-{VIACR, CR7B, 0xFF, 0x02},          /* LCD Scaling Parameter 2             */
-{VIACR, CR7C, 0xFF, 0x03},          /* LCD Scaling Parameter 3             */
-{VIACR, CR7D, 0xFF, 0x04},          /* LCD Scaling Parameter 4             */
-{VIACR, CR7E, 0xFF, 0x07},          /* LCD Scaling Parameter 5             */
-{VIACR, CR7F, 0xFF, 0x0A},          /* LCD Scaling Parameter 6             */
-{VIACR, CR80, 0xFF, 0x0D},          /* LCD Scaling Parameter 7             */
-{VIACR, CR81, 0xFF, 0x13},          /* LCD Scaling Parameter 8             */
-{VIACR, CR82, 0xFF, 0x16},          /* LCD Scaling Parameter 9             */
-{VIACR, CR83, 0xFF, 0x19},          /* LCD Scaling Parameter 10            */
-{VIACR, CR84, 0xFF, 0x1C},          /* LCD Scaling Parameter 11            */
-{VIACR, CR85, 0xFF, 0x1D},          /* LCD Scaling Parameter 12            */
-{VIACR, CR86, 0xFF, 0x1E},          /* LCD Scaling Parameter 13            */
-{VIACR, CR87, 0xFF, 0x1F},          /* LCD Scaling Parameter 14            */
 {VIACR, CR88, 0xFF, 0x40},          /* LCD Panel Type                      */
 {VIACR, CR89, 0xFF, 0x00},          /* LCD Timing Control 0                */
 {VIACR, CR8A, 0xFF, 0x88},          /* LCD Timing Control 1                */
@@ -390,21 +320,6 @@ struct io_reg CLE266_ModeXregs[] = { {VIASR, SR1E, 0xF0, 0x00},
 {VIAGR, GR20, 0xFF, 0x00},
 {VIAGR, GR21, 0xFF, 0x00},
 {VIAGR, GR22, 0xFF, 0x00},
-	/* LCD Parameters */
-{VIACR, CR7A, 0xFF, 0x01},	/* LCD Parameter 1 */
-{VIACR, CR7B, 0xFF, 0x02},	/* LCD Parameter 2 */
-{VIACR, CR7C, 0xFF, 0x03},	/* LCD Parameter 3 */
-{VIACR, CR7D, 0xFF, 0x04},	/* LCD Parameter 4 */
-{VIACR, CR7E, 0xFF, 0x07},	/* LCD Parameter 5 */
-{VIACR, CR7F, 0xFF, 0x0A},	/* LCD Parameter 6 */
-{VIACR, CR80, 0xFF, 0x0D},	/* LCD Parameter 7 */
-{VIACR, CR81, 0xFF, 0x13},	/* LCD Parameter 8 */
-{VIACR, CR82, 0xFF, 0x16},	/* LCD Parameter 9 */
-{VIACR, CR83, 0xFF, 0x19},	/* LCD Parameter 10 */
-{VIACR, CR84, 0xFF, 0x1C},	/* LCD Parameter 11 */
-{VIACR, CR85, 0xFF, 0x1D},	/* LCD Parameter 12 */
-{VIACR, CR86, 0xFF, 0x1E},	/* LCD Parameter 13 */
-{VIACR, CR87, 0xFF, 0x1F},	/* LCD Parameter 14 */
 
 };