From 119b953a80d28821a56567d84dab860b0edc7940 Mon Sep 17 00:00:00 2001 From: Florian Tobias Schandinat Date: Sat, 22 May 2010 21:32:32 +0000 Subject: viafb: improve lcd code readability viafb: improve lcd code readability This changes the code to better reflect that we can (currently) only perform upscaling. Signed-off-by: Florian Tobias Schandinat Cc: Joseph Chan --- drivers/video/via/lcd.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'drivers/video/via') diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index 438a106c7a4b..55cb4ecfad00 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -437,7 +437,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, viafb_write_reg_mask(CR79, VIACR, 0x07, BIT0 + BIT1 + BIT2); /* Check if expansion for horizontal */ - if (set_hres != panel_hres) { + if (set_hres < panel_hres) { /* Load Horizontal Scaling Factor */ switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: @@ -477,7 +477,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, } /* Check if expansion for vertical */ - if (set_vres != panel_vres) { + if (set_vres < panel_vres) { /* Load Vertical Scaling Factor */ switch (viaparinfo->chip_info->gfx_chip_name) { case UNICHROME_CLE266: @@ -643,9 +643,8 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, (mode_crt_reg, panel_crt_reg), IGA1); } else { /* Expansion */ - if ((plvds_setting_info->display_method == - LCD_EXPANDSION) & ((set_hres != panel_hres) - || (set_vres != panel_vres))) { + if (plvds_setting_info->display_method == LCD_EXPANDSION + && (set_hres < panel_hres || set_vres < panel_vres)) { /* expansion timing IGA2 loaded panel set timing*/ viafb_load_crtc_timing(panel_crt_reg, IGA2); DEBUG_MSG(KERN_INFO "viafb_load_crtc_timing!!\n"); -- cgit v1.2.3