This callback is a no-op in nouveau, and the upcoming apple-gmux
switcheroo support won't require it either. Rather than forcing drivers
to stub it out, just make it optional and remove the callback from
nouveau.
Signed-off-by: Seth Forshee <seth.forshee@xxxxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_acpi.c | 6 ------
drivers/gpu/vga/vga_switcheroo.c | 3 ++-
2 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index fc841e8..26ebffe 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -211,11 +211,6 @@ static int nouveau_dsm_power_state(enum vga_switcheroo_client_id id,
return nouveau_dsm_set_discrete_state(nouveau_dsm_priv.dhandle, state);
}
-static int nouveau_dsm_init(void)
-{
- return 0;
-}
-
static int nouveau_dsm_get_client_id(struct pci_dev *pdev)
{
/* easy option one - intel vendor ID means Integrated */
@@ -232,7 +227,6 @@ static int nouveau_dsm_get_client_id(struct pci_dev *pdev)
static struct vga_switcheroo_handler nouveau_dsm_handler = {
.switchto = nouveau_dsm_switchto,
.power_state = nouveau_dsm_power_state,
- .init = nouveau_dsm_init,
.get_client_id = nouveau_dsm_get_client_id,
};
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 5b3c7d1..ec9069d 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -98,7 +98,8 @@ static void vga_switcheroo_enable(void)
struct vga_switcheroo_client *client;
/* call the handler to init */
- vgasr_priv.handler->init();
+ if (vgasr_priv.handler->init)
+ vgasr_priv.handler->init();
list_for_each_entry(client, &vgasr_priv.clients, list) {
if (client->id != -1)
--
1.7.9.5
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