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Backmerge tag 'v4.9-rc8' into drm-next

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Linux 4.9-rc8

Daniel requested this so we could apply some follow on fixes cleanly to -next.
This commit is contained in:
Dave Airlie
2016-12-05 17:11:48 +10:00
parent 0d5320fc19 3e5de27e94
commit f03ee46be9
698 changed files with 7648 additions and 3618 deletions
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16
drivers/gpu/drm/radeon/radeon_atpx_handler.c
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@@ -34,6 +34,7 @@ struct radeon_atpx {
static struct radeon_atpx_priv {
bool atpx_detected;
bool bridge_pm_usable;
/* handle for device - and atpx */
acpi_handle dhandle;
struct radeon_atpx atpx;
@@ -203,7 +204,11 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
atpx->is_hybrid = false;
if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
printk("ATPX Hybrid Graphics\n");
atpx->functions.power_cntl = false;
/*
* Disable legacy PM methods only when pcie port PM is usable,
* otherwise the device might fail to power off or power on.
*/
atpx->functions.power_cntl = !radeon_atpx_priv.bridge_pm_usable;
atpx->is_hybrid = true;
}
@@ -548,11 +553,16 @@ static bool radeon_atpx_detect(void)
struct pci_dev *pdev = NULL;
bool has_atpx = false;
int vga_count = 0;
bool d3_supported = false;
struct pci_dev *parent_pdev;
while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
vga_count++;
has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
parent_pdev = pci_upstream_bridge(pdev);
d3_supported |= parent_pdev && parent_pdev->bridge_d3;
}
/* some newer PX laptops mark the dGPU as a non-VGA display device */
@@ -560,6 +570,9 @@ static bool radeon_atpx_detect(void)
vga_count++;
has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
parent_pdev = pci_upstream_bridge(pdev);
d3_supported |= parent_pdev && parent_pdev->bridge_d3;
}
if (has_atpx && vga_count == 2) {
@@ -567,6 +580,7 @@ static bool radeon_atpx_detect(void)
printk(KERN_INFO "vga_switcheroo: detected switching method %s handle\n",
acpi_method_name);
radeon_atpx_priv.atpx_detected = true;
radeon_atpx_priv.bridge_pm_usable = d3_supported;
radeon_atpx_init();
return true;
}