diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index f357058c74d9..20e82008b8b6 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -35,9 +35,12 @@ #include "i915_trace.h" #include "intel_drv.h" +#include <linux/apple-gmux.h> #include <linux/console.h> #include <linux/module.h> #include <linux/pm_runtime.h> +#include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> #include <drm/drm_crtc_helper.h> static struct drm_driver driver; @@ -600,13 +603,7 @@ static int i915_drm_suspend(struct drm_device *dev) intel_suspend_gt_powersave(dev); - /* - * Disable CRTCs directly since we want to preserve sw state - * for _thaw. Also, power gate the CRTC power wells. - */ - drm_modeset_lock_all(dev); intel_display_suspend(dev); - drm_modeset_unlock_all(dev); intel_dp_mst_suspend(dev); @@ -761,9 +758,7 @@ static int i915_drm_resume(struct drm_device *dev) dev_priv->display.hpd_irq_setup(dev); spin_unlock_irq(&dev_priv->irq_lock); - drm_modeset_lock_all(dev); intel_display_resume(dev); - drm_modeset_unlock_all(dev); intel_dp_mst_resume(dev); @@ -969,6 +964,15 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (PCI_FUNC(pdev->devfn)) return -ENODEV; + /* + * apple-gmux is needed on dual GPU MacBook Pro + * to probe the panel if we're the inactive GPU. + */ + if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) && + apple_gmux_present() && pdev != vga_default_device() && + !vga_switcheroo_handler_flags()) + return -EPROBE_DEFER; + return drm_get_pci_dev(pdev, ent, &driver); } @@ -1079,7 +1083,6 @@ static int bxt_resume_prepare(struct drm_i915_private *dev_priv) */ broxton_init_cdclk(dev); broxton_ddi_phy_init(dev); - intel_prepare_ddi(dev); return 0; } @@ -1338,8 +1341,8 @@ static int vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv, return 0; DRM_DEBUG_KMS("waiting for GT wells to go %s (%08x)\n", - wait_for_on ? "on" : "off", - I915_READ(VLV_GTLC_PW_STATUS)); + onoff(wait_for_on), + I915_READ(VLV_GTLC_PW_STATUS)); /* * RC6 transitioning can be delayed up to 2 msec (see @@ -1348,7 +1351,7 @@ static int vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv, err = wait_for(COND, 3); if (err) DRM_ERROR("timeout waiting for GT wells to go %s\n", - wait_for_on ? "on" : "off"); + onoff(wait_for_on)); return err; #undef COND @@ -1359,7 +1362,7 @@ static void vlv_check_no_gt_access(struct drm_i915_private *dev_priv) if (!(I915_READ(VLV_GTLC_PW_STATUS) & VLV_GTLC_ALLOWWAKEERR)) return; - DRM_ERROR("GT register access while GT waking disabled\n"); + DRM_DEBUG_DRIVER("GT register access while GT waking disabled\n"); I915_WRITE(VLV_GTLC_PW_STATUS, VLV_GTLC_ALLOWWAKEERR); } @@ -1503,6 +1506,10 @@ static int intel_runtime_suspend(struct device *device) enable_rpm_wakeref_asserts(dev_priv); WARN_ON_ONCE(atomic_read(&dev_priv->pm.wakeref_count)); + + if (intel_uncore_arm_unclaimed_mmio_detection(dev_priv)) + DRM_ERROR("Unclaimed access detected prior to suspending\n"); + dev_priv->pm.suspended = true; /* @@ -1551,6 +1558,8 @@ static int intel_runtime_resume(struct device *device) intel_opregion_notify_adapter(dev, PCI_D0); dev_priv->pm.suspended = false; + if (intel_uncore_unclaimed_mmio(dev_priv)) + DRM_DEBUG_DRIVER("Unclaimed access during suspend, bios?\n"); intel_guc_resume(dev); |