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authorDave Airlie <airlied@gmail.com>2012-09-21 15:19:50 +0200
committerDave Airlie <airlied@gmail.com>2012-09-21 16:17:15 +0200
commit6c06d608ec244d9b030f16ce9088b4456197e1cb (patch)
tree756c786e7be5fa60d3d1dfeb8bf246e4e945c92b /drivers/gpu
parentMerge branch 'drm-fixes-3.6' of git://people.freedesktop.org/~agd5f/linux int... (diff)
downloadlinux-6c06d608ec244d9b030f16ce9088b4456197e1cb.tar.xz
linux-6c06d608ec244d9b030f16ce9088b4456197e1cb.zip
drm/nouveau: add dmi quirk for gpio reset
This fixes the gpio reset problem so the Retina MBP works, but avoids breaking the Dell systems. Ben will work on a better solution for 3.7. Tested by me on retina MBP. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-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 f429e6a8ca7a..c399d510b27a 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);