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authorGustavo Padovan <gustavo.padovan@collabora.co.uk>2013-09-27 11:56:14 -0300
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2013-09-27 11:56:14 -0300
commit1025c04cecd19882e28f16c4004034b475c372c5 (patch)
tree2b7402887e86d54bff5a123228c9059eae5e32bd /drivers/gpu/drm/nouveau/nouveau_acpi.c
parent4375f1037d52602413142e290608d0d84671ad36 (diff)
parent5bcecf325378218a8e248bb6bcae96ec7362f8ef (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Conflicts: net/bluetooth/hci_core.c
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_acpi.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_acpi.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index d97f20069d3..dd7d2e18271 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -25,8 +25,27 @@
#define NOUVEAU_DSM_POWER_SPEED 0x01
#define NOUVEAU_DSM_POWER_STAMINA 0x02
-#define NOUVEAU_DSM_OPTIMUS_FN 0x1A
-#define NOUVEAU_DSM_OPTIMUS_ARGS 0x03000001
+#define NOUVEAU_DSM_OPTIMUS_CAPS 0x1A
+#define NOUVEAU_DSM_OPTIMUS_FLAGS 0x1B
+
+#define NOUVEAU_DSM_OPTIMUS_POWERDOWN_PS3 (3 << 24)
+#define NOUVEAU_DSM_OPTIMUS_NO_POWERDOWN_PS3 (2 << 24)
+#define NOUVEAU_DSM_OPTIMUS_FLAGS_CHANGED (1)
+
+#define NOUVEAU_DSM_OPTIMUS_SET_POWERDOWN (NOUVEAU_DSM_OPTIMUS_POWERDOWN_PS3 | NOUVEAU_DSM_OPTIMUS_FLAGS_CHANGED)
+
+/* result of the optimus caps function */
+#define OPTIMUS_ENABLED (1 << 0)
+#define OPTIMUS_STATUS_MASK (3 << 3)
+#define OPTIMUS_STATUS_OFF (0 << 3)
+#define OPTIMUS_STATUS_ON_ENABLED (1 << 3)
+#define OPTIMUS_STATUS_PWR_STABLE (3 << 3)
+#define OPTIMUS_DISPLAY_HOTPLUG (1 << 6)
+#define OPTIMUS_CAPS_MASK (7 << 24)
+#define OPTIMUS_DYNAMIC_PWR_CAP (1 << 24)
+
+#define OPTIMUS_AUDIO_CAPS_MASK (3 << 27)
+#define OPTIMUS_HDA_CODEC_MASK (2 << 27) /* hda bios control */
static struct nouveau_dsm_priv {
bool dsm_detected;
@@ -251,9 +270,18 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev)
retval |= NOUVEAU_DSM_HAS_MUX;
if (nouveau_test_dsm(dhandle, nouveau_optimus_dsm,
- NOUVEAU_DSM_OPTIMUS_FN))
+ NOUVEAU_DSM_OPTIMUS_CAPS))
retval |= NOUVEAU_DSM_HAS_OPT;
+ if (retval & NOUVEAU_DSM_HAS_OPT) {
+ uint32_t result;
+ nouveau_optimus_dsm(dhandle, NOUVEAU_DSM_OPTIMUS_CAPS, 0,
+ &result);
+ dev_info(&pdev->dev, "optimus capabilities: %s, status %s%s\n",
+ (result & OPTIMUS_ENABLED) ? "enabled" : "disabled",
+ (result & OPTIMUS_DYNAMIC_PWR_CAP) ? "dynamic power, " : "",
+ (result & OPTIMUS_HDA_CODEC_MASK) ? "hda bios codec supported" : "");
+ }
if (retval)
nouveau_dsm_priv.dhandle = dhandle;
@@ -328,8 +356,12 @@ void nouveau_switcheroo_optimus_dsm(void)
if (!nouveau_dsm_priv.optimus_detected)
return;
- nouveau_optimus_dsm(nouveau_dsm_priv.dhandle, NOUVEAU_DSM_OPTIMUS_FN,
- NOUVEAU_DSM_OPTIMUS_ARGS, &result);
+ nouveau_optimus_dsm(nouveau_dsm_priv.dhandle, NOUVEAU_DSM_OPTIMUS_FLAGS,
+ 0x3, &result);
+
+ nouveau_optimus_dsm(nouveau_dsm_priv.dhandle, NOUVEAU_DSM_OPTIMUS_CAPS,
+ NOUVEAU_DSM_OPTIMUS_SET_POWERDOWN, &result);
+
}
void nouveau_unregister_dsm_handler(void)