#include <linux/console.h>
#include <linux/module.h>
+#include <linux/pm_runtime.h>
#include <drm/drm_crtc_helper.h>
static struct drm_driver driver;
.dpll_md_offsets = { DPLL_A_MD_OFFSET, DPLL_B_MD_OFFSET }, \
.palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET }
+#define GEN_CHV_PIPEOFFSETS \
+ .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \
+ CHV_PIPE_C_OFFSET }, \
+ .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
+ CHV_TRANSCODER_C_OFFSET, }, \
+ .dpll_offsets = { DPLL_A_OFFSET, DPLL_B_OFFSET, \
+ CHV_DPLL_C_OFFSET }, \
+ .dpll_md_offsets = { DPLL_A_MD_OFFSET, DPLL_B_MD_OFFSET, \
+ CHV_DPLL_C_MD_OFFSET }, \
+ .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET, \
+ CHV_PALETTE_C_OFFSET }
+
+#define CURSOR_OFFSETS \
+ .cursor_offsets = { CURSOR_A_OFFSET, CURSOR_B_OFFSET, CHV_CURSOR_C_OFFSET }
+
+#define IVB_CURSOR_OFFSETS \
+ .cursor_offsets = { CURSOR_A_OFFSET, IVB_CURSOR_B_OFFSET, IVB_CURSOR_C_OFFSET }
static const struct intel_device_info intel_i830_info = {
.gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, .num_pipes = 2,
.has_overlay = 1, .overlay_needs_physical = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_845g_info = {
.has_overlay = 1, .overlay_needs_physical = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i85x_info = {
.has_fbc = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i865g_info = {
.has_overlay = 1, .overlay_needs_physical = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i915g_info = {
.has_overlay = 1, .overlay_needs_physical = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i915gm_info = {
.gen = 3, .is_mobile = 1, .num_pipes = 2,
.has_fbc = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i945g_info = {
.gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, .num_pipes = 2,
.has_overlay = 1, .overlay_needs_physical = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i945gm_info = {
.gen = 3, .is_i945gm = 1, .is_mobile = 1, .num_pipes = 2,
.has_fbc = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i965g_info = {
.has_overlay = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_i965gm_info = {
.supports_tv = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_g33_info = {
.has_overlay = 1,
.ring_mask = RENDER_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_g45_info = {
.has_pipe_cxsr = 1, .has_hotplug = 1,
.ring_mask = RENDER_RING | BSD_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_gm45_info = {
.supports_tv = 1,
.ring_mask = RENDER_RING | BSD_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_pineview_info = {
.need_gfx_hws = 1, .has_hotplug = 1,
.has_overlay = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_ironlake_d_info = {
.need_gfx_hws = 1, .has_hotplug = 1,
.ring_mask = RENDER_RING | BSD_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_ironlake_m_info = {
.has_fbc = 1,
.ring_mask = RENDER_RING | BSD_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_sandybridge_d_info = {
.ring_mask = RENDER_RING | BSD_RING | BLT_RING,
.has_llc = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_sandybridge_m_info = {
.ring_mask = RENDER_RING | BSD_RING | BLT_RING,
.has_llc = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
#define GEN7_FEATURES \
GEN7_FEATURES,
.is_ivybridge = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_ivybridge_m_info = {
.is_ivybridge = 1,
.is_mobile = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_ivybridge_q_info = {
.is_ivybridge = 1,
.num_pipes = 0, /* legal, last one wins */
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_valleyview_m_info = {
.has_fbc = 0, /* legal, last one wins */
.has_llc = 0, /* legal, last one wins */
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_valleyview_d_info = {
.has_fbc = 0, /* legal, last one wins */
.has_llc = 0, /* legal, last one wins */
GEN_DEFAULT_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
static const struct intel_device_info intel_haswell_d_info = {
.has_fpga_dbg = 1,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_haswell_m_info = {
.has_fpga_dbg = 1,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_broadwell_d_info = {
.has_ddi = 1,
.has_fbc = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_broadwell_m_info = {
.has_ddi = 1,
.has_fbc = 1,
GEN_DEFAULT_PIPEOFFSETS,
+ IVB_CURSOR_OFFSETS,
};
static const struct intel_device_info intel_cherryview_info = {
.is_preliminary = 1,
- .gen = 8, .num_pipes = 2,
+ .gen = 8, .num_pipes = 3,
.need_gfx_hws = 1, .has_hotplug = 1,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
.is_valleyview = 1,
.display_mmio_offset = VLV_DISPLAY_BASE,
+ GEN_CHV_PIPEOFFSETS,
+ CURSOR_OFFSETS,
};
/*
return error;
}
- cancel_delayed_work_sync(&dev_priv->rps.delayed_resume_work);
-
drm_irq_uninstall(dev);
dev_priv->enable_hotplug_processing = false;
+
+ intel_disable_gt_powersave(dev);
+
/*
* Disable CRTCs directly since we want to preserve sw state
* for _thaw.
*/
- mutex_lock(&dev->mode_config.mutex);
- for_each_crtc(dev, crtc)
+ drm_modeset_lock_all(dev);
+ for_each_crtc(dev, crtc) {
dev_priv->display.crtc_disable(crtc);
- mutex_unlock(&dev->mode_config.mutex);
+ }
+ drm_modeset_unlock_all(dev);
intel_modeset_suspend_hw(dev);
}
console_unlock();
}
-static void intel_resume_hotplug(struct drm_device *dev)
-{
- struct drm_mode_config *mode_config = &dev->mode_config;
- struct intel_encoder *encoder;
-
- mutex_lock(&mode_config->mutex);
- DRM_DEBUG_KMS("running encoder hotplug functions\n");
-
- list_for_each_entry(encoder, &mode_config->encoder_list, base.head)
- if (encoder->hot_plug)
- encoder->hot_plug(encoder);
-
- mutex_unlock(&mode_config->mutex);
-
- /* Just fire off a uevent and let userspace tell us what to do */
- drm_helper_hpd_irq_event(dev);
-}
-
static int i915_drm_thaw_early(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
intel_hpd_init(dev);
dev_priv->enable_hotplug_processing = true;
/* Config may have changed between suspend and resume */
- intel_resume_hotplug(dev);
+ drm_helper_hpd_irq_event(dev);
}
intel_opregion_init(dev);
}
/*
- * FIXME: This is horribly race against concurrent pageflip and
- * vblank wait ioctls since they can observe dev->irqs_disabled
- * being false when they shouldn't be able to.
+ * FIXME: This races pretty badly against concurrent holders of
+ * ring interrupts. This is possible since we've started to drop
+ * dev->struct_mutex in select places when waiting for the gpu.
*/
- drm_irq_uninstall(dev);
- drm_irq_install(dev, dev->pdev->irq);
- /* rps/rc6 re-init is necessary to restore state lost after the
- * reset and the re-install of drm irq. Skip for ironlake per
+ /*
+ * rps/rc6 re-init is necessary to restore state lost after the
+ * reset and the re-install of gt irqs. Skip for ironlake per
* previous concerns that it doesn't respond well to some forms
- * of re-init after reset. */
+ * of re-init after reset.
+ */
if (INTEL_INFO(dev)->gen > 5)
intel_reset_gt_powersave(dev);
DRM_DEBUG_KMS("Suspending device\n");
+ /*
+ * We could deadlock here in case another thread holding struct_mutex
+ * calls RPM suspend concurrently, since the RPM suspend will wait
+ * first for this RPM suspend to finish. In this case the concurrent
+ * RPM resume will be followed by its RPM suspend counterpart. Still
+ * for consistency return -EAGAIN, which will reschedule this suspend.
+ */
+ if (!mutex_trylock(&dev->struct_mutex)) {
+ DRM_DEBUG_KMS("device lock contention, deffering suspend\n");
+ /*
+ * Bump the expiration timestamp, otherwise the suspend won't
+ * be rescheduled.
+ */
+ pm_runtime_mark_last_busy(device);
+
+ return -EAGAIN;
+ }
+ /*
+ * We are safe here against re-faults, since the fault handler takes
+ * an RPM reference.
+ */
+ i915_gem_release_all_mmaps(dev_priv);
+ mutex_unlock(&dev->struct_mutex);
+
/*
* rps.work can't be rearmed here, since we get here only after making
* sure the GPU is idle and the RPS freq is set to the minimum. See
return ret;
}
- i915_gem_release_all_mmaps(dev_priv);
-
del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
dev_priv->pm.suspended = true;
projects / deliverable / linux.git / blobdiff