diff options
| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-01-12 16:52:37 +0400 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-02-13 11:28:14 +0400 |
| commit | 5dc5f61813a9c3ab7dd0a6982ad044834134db5a (patch) | |
| tree | 4a50b6713eed9d2d01d1e4cdbc8ecd1a4393e035 /drivers/video/via/viafbdev.c | |
| parent | 2c4c8a8a73b64a8ea86ad85d8a59a5914d2f81ea (diff) | |
| download | linux-5dc5f61813a9c3ab7dd0a6982ad044834134db5a.tar.xz | |
viafb: add initial EDID support
This patch adds support for using EDID data on CRT and DVP1 for
initial configuration if viafb_mode or viafb_mode1 are not present.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/via/viafbdev.c')
| -rw-r--r-- | drivers/video/via/viafbdev.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 6d5b64923236..47911658f684 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -1671,12 +1671,23 @@ static void viafb_remove_proc(struct viafb_shared *shared) } #undef IS_VT1636 -static int parse_mode(const char *str, u32 *xres, u32 *yres) +static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) { + const struct fb_videomode *mode = NULL; char *ptr; if (!str) { - if (machine_is_olpc()) { + if (devices == VIA_CRT) + mode = via_aux_get_preferred_mode( + viaparinfo->shared->i2c_26); + else if (devices == VIA_DVP1) + mode = via_aux_get_preferred_mode( + viaparinfo->shared->i2c_31); + + if (mode) { + *xres = mode->xres; + *yres = mode->yres; + } else if (machine_is_olpc()) { *xres = 1200; *yres = 900; } else { @@ -1829,10 +1840,11 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev) viafb_second_size * 1024 * 1024; } - parse_mode(viafb_mode, &default_xres, &default_yres); + parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, + &default_xres, &default_yres); if (viafb_SAMM_ON == 1) - parse_mode(viafb_mode1, &viafb_second_xres, - &viafb_second_yres); + parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, + &viafb_second_xres, &viafb_second_yres); default_var.xres = default_xres; default_var.yres = default_yres; @@ -2060,9 +2072,9 @@ int __init viafb_init(void) if (r < 0) return r; #endif - if (parse_mode(viafb_mode, &dummy_x, &dummy_y) + if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) - || parse_mode(viafb_mode1, &dummy_x, &dummy_y) + || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) || viafb_bpp < 0 || viafb_bpp > 32 || viafb_bpp1 < 0 || viafb_bpp1 > 32 |