diff options
Diffstat (limited to 'drivers/video/via/lcd.c')
| -rw-r--r-- | drivers/video/via/lcd.c | 75 |
1 files changed, 2 insertions, 73 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index 2ab0f156439a..438a106c7a4b 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -75,8 +75,6 @@ static void check_diport_of_integrated_lvds( static struct display_timing lcd_centering_timging(struct display_timing mode_crt_reg, struct display_timing panel_crt_reg); -static void viafb_load_scaling_factor_for_p4m900(int set_hres, - int set_vres, int panel_hres, int panel_vres); static int check_lvds_chip(int device_id_subaddr, int device_id) { @@ -437,11 +435,6 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, /* LCD Scaling Enable */ viafb_write_reg_mask(CR79, VIACR, 0x07, BIT0 + BIT1 + BIT2); - if (UNICHROME_P4M900 == viaparinfo->chip_info->gfx_chip_name) { - viafb_load_scaling_factor_for_p4m900(set_hres, set_vres, - panel_hres, panel_vres); - return; - } /* Check if expansion for horizontal */ if (set_hres != panel_hres) { @@ -464,6 +457,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, case UNICHROME_CX700: case UNICHROME_K8M890: case UNICHROME_P4M890: + case UNICHROME_P4M900: reg_value = K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); /* Horizontal scaling enabled */ @@ -503,6 +497,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, case UNICHROME_CX700: case UNICHROME_K8M890: case UNICHROME_P4M890: + case UNICHROME_P4M900: reg_value = K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); /* Vertical scaling enabled */ @@ -1139,69 +1134,3 @@ bool viafb_lcd_get_mobile_state(bool *mobile) return false; } } - -static void viafb_load_scaling_factor_for_p4m900(int set_hres, - int set_vres, int panel_hres, int panel_vres) -{ - int h_scaling_factor; - int v_scaling_factor; - u8 cra2 = 0; - u8 cr77 = 0; - u8 cr78 = 0; - u8 cr79 = 0; - u8 cr9f = 0; - /* Check if expansion for horizontal */ - if (set_hres < panel_hres) { - /* Load Horizontal Scaling Factor */ - - /* For VIA_K8M800 or later chipsets. */ - h_scaling_factor = - K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); - /* HSCaleFactor[1:0] at CR9F[1:0] */ - cr9f = h_scaling_factor & 0x0003; - /* HSCaleFactor[9:2] at CR77[7:0] */ - cr77 = (h_scaling_factor & 0x03FC) >> 2; - /* HSCaleFactor[11:10] at CR79[5:4] */ - cr79 = (h_scaling_factor & 0x0C00) >> 10; - cr79 <<= 4; - - /* Horizontal scaling enabled */ - cra2 = 0xC0; - - DEBUG_MSG(KERN_INFO "Horizontal Scaling value = %d\n", - h_scaling_factor); - } else { - /* Horizontal scaling disabled */ - cra2 = 0x00; - } - - /* Check if expansion for vertical */ - if (set_vres < panel_vres) { - /* Load Vertical Scaling Factor */ - - /* For VIA_K8M800 or later chipsets. */ - v_scaling_factor = - K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); - - /* Vertical scaling enabled */ - cra2 |= 0x08; - /* VSCaleFactor[0] at CR79[3] */ - cr79 |= ((v_scaling_factor & 0x0001) << 3); - /* VSCaleFactor[8:1] at CR78[7:0] */ - cr78 |= (v_scaling_factor & 0x01FE) >> 1; - /* VSCaleFactor[10:9] at CR79[7:6] */ - cr79 |= ((v_scaling_factor & 0x0600) >> 9) << 6; - - DEBUG_MSG(KERN_INFO "Vertical Scaling value = %d\n", - v_scaling_factor); - } else { - /* Vertical scaling disabled */ - cra2 |= 0x00; - } - - viafb_write_reg_mask(CRA2, VIACR, cra2, BIT3 + BIT6 + BIT7); - viafb_write_reg_mask(CR77, VIACR, cr77, 0xFF); - viafb_write_reg_mask(CR78, VIACR, cr78, 0xFF); - viafb_write_reg_mask(CR79, VIACR, cr79, 0xF8); - viafb_write_reg_mask(CR9F, VIACR, cr9f, BIT0 + BIT1); -} |