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| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2010-05-22 23:32:32 +0200 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2010-07-23 16:17:58 +0200 |
| commit | 119b953a80d28821a56567d84dab860b0edc7940 (patch) | |
| tree | a3cbcc11459d6ae8dfb68700ed9b411dc0868fb3 | |
| parent | viafb: remove duplicated scaling code (diff) | |
| download | linux-119b953a80d28821a56567d84dab860b0edc7940.tar.xz linux-119b953a80d28821a56567d84dab860b0edc7940.zip | |
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 <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
| -rw-r--r-- | drivers/video/via/lcd.c | 9 |
1 files changed, 4 insertions, 5 deletions
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"); |