diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-02-16 22:03:53 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-24 20:45:28 (GMT) |
| commit | a589e87fe704808120e6e30f6723b720a085669d (patch) | |
| tree | bdd7f0df1e71fc179b5239dfe298bd14b40366c6 /drivers/gpu/drm/nouveau/nouveau_bios.c | |
| parent | 3248421670925af12b1ade5da987f6757d737748 (diff) | |
| download | linux-fsl-qoriq-a589e87fe704808120e6e30f6723b720a085669d.tar.xz | |
drm/nouveau/vbios: parse more gpio tag bits from connector table
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 7b7a184..8314a49 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -5950,6 +5950,11 @@ apply_dcb_connector_quirks(struct nvbios *bios, int idx) } } +static const u8 hpd_gpio[16] = { + 0xff, 0x07, 0x08, 0xff, 0xff, 0x51, 0x52, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0x5e, 0x5f, 0x60, +}; + static void parse_dcb_connector_table(struct nvbios *bios) { @@ -5986,23 +5991,9 @@ parse_dcb_connector_table(struct nvbios *bios) cte->type = (cte->entry & 0x000000ff) >> 0; cte->index2 = (cte->entry & 0x00000f00) >> 8; - switch (cte->entry & 0x00033000) { - case 0x00001000: - cte->gpio_tag = 0x07; - break; - case 0x00002000: - cte->gpio_tag = 0x08; - break; - case 0x00010000: - cte->gpio_tag = 0x51; - break; - case 0x00020000: - cte->gpio_tag = 0x52; - break; - default: - cte->gpio_tag = 0xff; - break; - } + + cte->gpio_tag = ffs((cte->entry & 0x07033000) >> 12); + cte->gpio_tag = hpd_gpio[cte->gpio_tag]; if (cte->type == 0xff) continue; |