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path: root/drivers/video/via/lcd.c
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Diffstat (limited to 'drivers/video/via/lcd.c')
-rw-r--r--drivers/video/via/lcd.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 02cfdc8d7edd..6e52711e9639 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -53,9 +53,6 @@ static void __devinit fp_id_to_vindex(int panel_id);
53static int lvds_register_read(int index); 53static int lvds_register_read(int index);
54static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, 54static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
55 int panel_vres); 55 int panel_vres);
56static void via_pitch_alignment_patch_lcd(
57 struct lvds_setting_information *plvds_setting_info,
58 struct lvds_chip_information *plvds_chip_info, int hres);
59static void lcd_patch_skew_dvp0(struct lvds_setting_information 56static void lcd_patch_skew_dvp0(struct lvds_setting_information
60 *plvds_setting_info, 57 *plvds_setting_info,
61 struct lvds_chip_information *plvds_chip_info); 58 struct lvds_chip_information *plvds_chip_info);
@@ -453,19 +450,17 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
453 } 450 }
454} 451}
455 452
456static void via_pitch_alignment_patch_lcd( 453static void via_pitch_alignment_patch_lcd(int iga_path, int hres, int bpp)
457 struct lvds_setting_information *plvds_setting_info,
458 struct lvds_chip_information *plvds_chip_info, int hres)
459{ 454{
460 unsigned char cr13, cr35, cr65, cr66, cr67; 455 unsigned char cr13, cr35, cr65, cr66, cr67;
461 unsigned long dwScreenPitch = 0; 456 unsigned long dwScreenPitch = 0;
462 unsigned long dwPitch; 457 unsigned long dwPitch;
463 458
464 dwPitch = hres * (plvds_setting_info->bpp >> 3); 459 dwPitch = hres * (bpp >> 3);
465 if (dwPitch & 0x1F) { 460 if (dwPitch & 0x1F) {
466 dwScreenPitch = ((dwPitch + 31) & ~31) >> 3; 461 dwScreenPitch = ((dwPitch + 31) & ~31) >> 3;
467 if (plvds_setting_info->iga_path == IGA2) { 462 if (iga_path == IGA2) {
468 if (plvds_setting_info->bpp > 8) { 463 if (bpp > 8) {
469 cr66 = (unsigned char)(dwScreenPitch & 0xFF); 464 cr66 = (unsigned char)(dwScreenPitch & 0xFF);
470 viafb_write_reg(CR66, VIACR, cr66); 465 viafb_write_reg(CR66, VIACR, cr66);
471 cr67 = viafb_read_reg(VIACR, CR67) & 0xFC; 466 cr67 = viafb_read_reg(VIACR, CR67) & 0xFC;
@@ -483,7 +478,7 @@ static void via_pitch_alignment_patch_lcd(
483 cr65 += 2; 478 cr65 += 2;
484 viafb_write_reg(CR65, VIACR, cr65); 479 viafb_write_reg(CR65, VIACR, cr65);
485 } else { 480 } else {
486 if (plvds_setting_info->bpp > 8) { 481 if (bpp > 8) {
487 cr13 = (unsigned char)(dwScreenPitch & 0xFF); 482 cr13 = (unsigned char)(dwScreenPitch & 0xFF);
488 viafb_write_reg(CR13, VIACR, cr13); 483 viafb_write_reg(CR13, VIACR, cr13);
489 cr35 = viafb_read_reg(VIACR, CR35) & 0x1F; 484 cr35 = viafb_read_reg(VIACR, CR35) & 0x1F;
@@ -551,7 +546,7 @@ void viafb_lcd_set_mode(const struct fb_var_screeninfo *var, u16 cxres,
551 struct lvds_chip_information *plvds_chip_info) 546 struct lvds_chip_information *plvds_chip_info)
552{ 547{
553 int set_iga = plvds_setting_info->iga_path; 548 int set_iga = plvds_setting_info->iga_path;
554 int mode_bpp = plvds_setting_info->bpp; 549 int mode_bpp = var->bits_per_pixel;
555 int set_hres = cxres ? cxres : var->xres; 550 int set_hres = cxres ? cxres : var->xres;
556 int set_vres = cyres ? cyres : var->yres; 551 int set_vres = cyres ? cyres : var->yres;
557 int panel_hres = plvds_setting_info->lcd_panel_hres; 552 int panel_hres = plvds_setting_info->lcd_panel_hres;
@@ -612,8 +607,8 @@ void viafb_lcd_set_mode(const struct fb_var_screeninfo *var, u16 cxres,
612 viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0); 607 viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0);
613 608
614 /* Patch for non 32bit alignment mode */ 609 /* Patch for non 32bit alignment mode */
615 via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info, 610 via_pitch_alignment_patch_lcd(plvds_setting_info->iga_path, set_hres,
616 set_hres); 611 var->bits_per_pixel);
617} 612}
618 613
619static void integrated_lvds_disable(struct lvds_setting_information 614static void integrated_lvds_disable(struct lvds_setting_information