diff options
Diffstat (limited to 'drivers/video/via')
| -rw-r--r-- | drivers/video/via/hw.c | 13 | ||||
| -rw-r--r-- | drivers/video/via/share.h | 1 | ||||
| -rw-r--r-- | drivers/video/via/viamode.c | 2 |
3 files changed, 13 insertions, 3 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index 5b9c096..3308f47 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -20,6 +20,7 @@ */ #include <linux/via-core.h> +#include <asm/olpc.h> #include "global.h" static struct pll_config cle266_pll_config[] = { @@ -911,6 +912,10 @@ void viafb_set_iga_path(void) viaparinfo->chip_info-> lvds_chip_info2.output_interface); } + + /* looks like the OLPC has its display wired to DVP1 and LVDS2 */ + if (machine_is_olpc()) + viaparinfo->shared->iga2_devices = VIA_DVP1 | VIA_LVDS2; } static void set_color_register(u8 index, u8 red, u8 green, u8 blue) @@ -2620,8 +2625,12 @@ int viafb_get_refresh(int hres, int vres, u32 long_refresh) best = &vmode->crtc[i]; } - if (abs(best->refresh_rate - long_refresh) > 3) - return 60; + if (abs(best->refresh_rate - long_refresh) > 3) { + if (hres == 1200 && vres == 900) + return 49; /* OLPC DCON only supports 50 Hz */ + else + return 60; + } return best->refresh_rate; } diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h index beb59bc..8b93e2f 100644 --- a/drivers/video/via/share.h +++ b/drivers/video/via/share.h @@ -282,6 +282,7 @@ #define HW_LAYOUT_LCD_EXTERNAL_LCD2 0x10 /* Definition Refresh Rate */ +#define REFRESH_49 49 #define REFRESH_50 50 #define REFRESH_60 60 #define REFRESH_75 75 diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c index 036ad3a..f84c9b0 100644 --- a/drivers/video/via/viamode.c +++ b/drivers/video/via/viamode.c @@ -587,7 +587,7 @@ static struct crt_mode_table CRTM1200x720[] = { /* 1200x900 (DCON) */ static struct crt_mode_table DCON1200x900[] = { /* r_rate, hsp, vsp */ - {REFRESH_60, M1200X900_R60_HSP, M1200X900_R60_VSP, + {REFRESH_49, M1200X900_R60_HSP, M1200X900_R60_VSP, /* The correct htotal is 1240, but this doesn't raster on VX855. */ /* Via suggested changing to a multiple of 16, hence 1264. */ /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ |
