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authorBen Skeggs <bskeggs@redhat.com>2011-02-17 01:03:53 +0300
committerBen Skeggs <bskeggs@redhat.com>2011-02-24 23:45:28 +0300
commita589e87fe704808120e6e30f6723b720a085669d (patch)
treebdd7f0df1e71fc179b5239dfe298bd14b40366c6 /drivers/gpu/drm/nouveau
parent3248421670925af12b1ade5da987f6757d737748 (diff)
downloadlinux-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')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c25
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 7b7a18493b46..8314a49b6b9a 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;