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-rw-r--r--drivers/gpu/drm/nouveau/nv50_gpio.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c
index f429e6a8ca7..c399d510b27 100644
--- a/drivers/gpu/drm/nouveau/nv50_gpio.c
+++ b/drivers/gpu/drm/nouveau/nv50_gpio.c
@@ -22,6 +22,7 @@
* Authors: Ben Skeggs
*/
+#include <linux/dmi.h>
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_hw.h"
@@ -110,11 +111,26 @@ nv50_gpio_isr(struct drm_device *dev)
nv_wr32(dev, 0xe074, intr1);
}
+static struct dmi_system_id gpio_reset_ids[] = {
+ {
+ .ident = "Apple Macbook 10,1",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
+ }
+ },
+ { }
+};
+
int
nv50_gpio_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ /* initialise gpios and routing to vbios defaults */
+ if (dmi_check_system(gpio_reset_ids))
+ nouveau_gpio_reset(dev);
+
/* disable, and ack any pending gpio interrupts */
nv_wr32(dev, 0xe050, 0x00000000);
nv_wr32(dev, 0xe054, 0xffffffff);