diff options
Diffstat (limited to 'drivers/video/da8xx-fb.c')
-rw-r--r-- | drivers/video/da8xx-fb.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 7db109733fa1..8d737305a43b 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c | |||
@@ -686,6 +686,15 @@ static inline unsigned da8xx_fb_calc_clk_divider(struct da8xx_fb_par *par, | |||
686 | return par->lcd_fck_rate / (PICOS2KHZ(pixclock) * 1000); | 686 | return par->lcd_fck_rate / (PICOS2KHZ(pixclock) * 1000); |
687 | } | 687 | } |
688 | 688 | ||
689 | static inline unsigned da8xx_fb_round_clk(struct da8xx_fb_par *par, | ||
690 | unsigned pixclock) | ||
691 | { | ||
692 | unsigned div; | ||
693 | |||
694 | div = da8xx_fb_calc_clk_divider(par, pixclock); | ||
695 | return KHZ2PICOS(par->lcd_fck_rate / (1000 * div)); | ||
696 | } | ||
697 | |||
689 | static inline void da8xx_fb_config_clk_divider(unsigned div) | 698 | static inline void da8xx_fb_config_clk_divider(unsigned div) |
690 | { | 699 | { |
691 | /* Configure the LCD clock divisor. */ | 700 | /* Configure the LCD clock divisor. */ |
@@ -962,6 +971,8 @@ static int fb_check_var(struct fb_var_screeninfo *var, | |||
962 | if (var->yres + var->yoffset > var->yres_virtual) | 971 | if (var->yres + var->yoffset > var->yres_virtual) |
963 | var->yoffset = var->yres_virtual - var->yres; | 972 | var->yoffset = var->yres_virtual - var->yres; |
964 | 973 | ||
974 | var->pixclock = da8xx_fb_round_clk(par, var->pixclock); | ||
975 | |||
965 | return err; | 976 | return err; |
966 | } | 977 | } |
967 | 978 | ||