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path: root/drivers/gpu/drm/i915/i915_drv.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c214
1 files changed, 149 insertions, 65 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 895ab89..3467dd4 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -32,6 +32,7 @@
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
+#include "intel_drv.h"
#include <linux/console.h>
#include "drm_crtc_helper.h"
@@ -61,86 +62,110 @@ extern int intel_agp_enabled;
.driver_data = (unsigned long) info }
static const struct intel_device_info intel_i830_info = {
- .gen = 2, .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
+ .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1,
+ .has_overlay = 1, .overlay_needs_physical = 1,
};
static const struct intel_device_info intel_845g_info = {
- .gen = 2, .is_i8xx = 1,
+ .gen = 2,
+ .has_overlay = 1, .overlay_needs_physical = 1,
};
static const struct intel_device_info intel_i85x_info = {
- .gen = 2, .is_i8xx = 1, .is_i85x = 1, .is_mobile = 1,
+ .gen = 2, .is_i85x = 1, .is_mobile = 1,
.cursor_needs_physical = 1,
+ .has_overlay = 1, .overlay_needs_physical = 1,
};
static const struct intel_device_info intel_i865g_info = {
- .gen = 2, .is_i8xx = 1,
+ .gen = 2,
+ .has_overlay = 1, .overlay_needs_physical = 1,
};
static const struct intel_device_info intel_i915g_info = {
- .gen = 3, .is_i915g = 1, .is_i9xx = 1, .cursor_needs_physical = 1,
+ .gen = 3, .is_i915g = 1, .cursor_needs_physical = 1,
+ .has_overlay = 1, .overlay_needs_physical = 1,
};
static const struct intel_device_info intel_i915gm_info = {
- .gen = 3, .is_i9xx = 1, .is_mobile = 1,
+ .gen = 3, .is_mobile = 1,
.cursor_needs_physical = 1,
+ .has_overlay = 1, .overlay_needs_physical = 1,
+ .supports_tv = 1,
};
static const struct intel_device_info intel_i945g_info = {
- .gen = 3, .is_i9xx = 1, .has_hotplug = 1, .cursor_needs_physical = 1,
+ .gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1,
+ .has_overlay = 1, .overlay_needs_physical = 1,
};
static const struct intel_device_info intel_i945gm_info = {
- .gen = 3, .is_i945gm = 1, .is_i9xx = 1, .is_mobile = 1,
+ .gen = 3, .is_i945gm = 1, .is_mobile = 1,
.has_hotplug = 1, .cursor_needs_physical = 1,
+ .has_overlay = 1, .overlay_needs_physical = 1,
+ .supports_tv = 1,
};
static const struct intel_device_info intel_i965g_info = {
- .gen = 4, .is_broadwater = 1, .is_i965g = 1, .is_i9xx = 1,
+ .gen = 4, .is_broadwater = 1,
.has_hotplug = 1,
+ .has_overlay = 1,
};
static const struct intel_device_info intel_i965gm_info = {
- .gen = 4, .is_crestline = 1, .is_i965g = 1, .is_i965gm = 1, .is_i9xx = 1,
+ .gen = 4, .is_crestline = 1,
.is_mobile = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1,
+ .has_overlay = 1,
+ .supports_tv = 1,
};
static const struct intel_device_info intel_g33_info = {
- .gen = 3, .is_g33 = 1, .is_i9xx = 1,
+ .gen = 3, .is_g33 = 1,
.need_gfx_hws = 1, .has_hotplug = 1,
+ .has_overlay = 1,
};
static const struct intel_device_info intel_g45_info = {
- .gen = 4, .is_i965g = 1, .is_g4x = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+ .gen = 4, .is_g4x = 1, .need_gfx_hws = 1,
.has_pipe_cxsr = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
};
static const struct intel_device_info intel_gm45_info = {
- .gen = 4, .is_i965g = 1, .is_g4x = 1, .is_i9xx = 1,
+ .gen = 4, .is_g4x = 1,
.is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1,
.has_pipe_cxsr = 1, .has_hotplug = 1,
+ .supports_tv = 1,
+ .has_bsd_ring = 1,
};
static const struct intel_device_info intel_pineview_info = {
- .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .is_i9xx = 1,
+ .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1,
.need_gfx_hws = 1, .has_hotplug = 1,
+ .has_overlay = 1,
};
static const struct intel_device_info intel_ironlake_d_info = {
- .gen = 5, .is_ironlake = 1, .is_i965g = 1, .is_i9xx = 1,
+ .gen = 5,
.need_gfx_hws = 1, .has_pipe_cxsr = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
};
static const struct intel_device_info intel_ironlake_m_info = {
- .gen = 5, .is_ironlake = 1, .is_mobile = 1, .is_i965g = 1, .is_i9xx = 1,
+ .gen = 5, .is_mobile = 1,
.need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
};
static const struct intel_device_info intel_sandybridge_d_info = {
- .gen = 6, .is_i965g = 1, .is_i9xx = 1,
+ .gen = 6,
.need_gfx_hws = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
};
static const struct intel_device_info intel_sandybridge_m_info = {
- .gen = 6, .is_i965g = 1, .is_mobile = 1, .is_i9xx = 1,
+ .gen = 6, .is_mobile = 1,
.need_gfx_hws = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
};
static const struct pci_device_id pciidlist[] = { /* aka */
@@ -237,7 +262,7 @@ static int i915_drm_freeze(struct drm_device *dev)
i915_save_state(dev);
- intel_opregion_free(dev, 1);
+ intel_opregion_fini(dev);
/* Modeset on resume, not lid events */
dev_priv->modeset_on_lid = 0;
@@ -258,6 +283,8 @@ int i915_suspend(struct drm_device *dev, pm_message_t state)
if (state.event == PM_EVENT_PRETHAW)
return 0;
+ drm_kms_helper_poll_disable(dev);
+
error = i915_drm_freeze(dev);
if (error)
return error;
@@ -277,8 +304,7 @@ static int i915_drm_thaw(struct drm_device *dev)
int error = 0;
i915_restore_state(dev);
-
- intel_opregion_init(dev, 1);
+ intel_opregion_setup(dev);
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
@@ -294,6 +320,8 @@ static int i915_drm_thaw(struct drm_device *dev)
drm_helper_resume_force_mode(dev);
}
+ intel_opregion_init(dev);
+
dev_priv->modeset_on_lid = 0;
return error;
@@ -301,12 +329,79 @@ static int i915_drm_thaw(struct drm_device *dev)
int i915_resume(struct drm_device *dev)
{
+ int ret;
+
if (pci_enable_device(dev->pdev))
return -EIO;
pci_set_master(dev->pdev);
- return i915_drm_thaw(dev);
+ ret = i915_drm_thaw(dev);
+ if (ret)
+ return ret;
+
+ drm_kms_helper_poll_enable(dev);
+ return 0;
+}
+
+static int i8xx_do_reset(struct drm_device *dev, u8 flags)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (IS_I85X(dev))
+ return -ENODEV;
+
+ I915_WRITE(D_STATE, I915_READ(D_STATE) | DSTATE_GFX_RESET_I830);
+ POSTING_READ(D_STATE);
+
+ if (IS_I830(dev) || IS_845G(dev)) {
+ I915_WRITE(DEBUG_RESET_I830,
+ DEBUG_RESET_DISPLAY |
+ DEBUG_RESET_RENDER |
+ DEBUG_RESET_FULL);
+ POSTING_READ(DEBUG_RESET_I830);
+ msleep(1);
+
+ I915_WRITE(DEBUG_RESET_I830, 0);
+ POSTING_READ(DEBUG_RESET_I830);
+ }
+
+ msleep(1);
+
+ I915_WRITE(D_STATE, I915_READ(D_STATE) & ~DSTATE_GFX_RESET_I830);
+ POSTING_READ(D_STATE);
+
+ return 0;
+}
+
+static int i965_reset_complete(struct drm_device *dev)
+{
+ u8 gdrst;
+ pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
+ return gdrst & 0x1;
+}
+
+static int i965_do_reset(struct drm_device *dev, u8 flags)
+{
+ u8 gdrst;
+
+ /*
+ * Set the domains we want to reset (GRDOM/bits 2 and 3) as
+ * well as the reset bit (GR/bit 0). Setting the GR bit
+ * triggers the reset; when done, the hardware will clear it.
+ */
+ pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
+ pci_write_config_byte(dev->pdev, I965_GDRST, gdrst | flags | 0x1);
+
+ return wait_for(i965_reset_complete(dev), 500);
+}
+
+static int ironlake_do_reset(struct drm_device *dev, u8 flags)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
+ I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, gdrst | flags | 0x1);
+ return wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500);
}
/**
@@ -325,54 +420,39 @@ int i915_resume(struct drm_device *dev)
* - re-init interrupt state
* - re-init display
*/
-int i965_reset(struct drm_device *dev, u8 flags)
+int i915_reset(struct drm_device *dev, u8 flags)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- unsigned long timeout;
- u8 gdrst;
/*
* We really should only reset the display subsystem if we actually
* need to
*/
bool need_display = true;
+ int ret;
mutex_lock(&dev->struct_mutex);
- /*
- * Clear request list
- */
- i915_gem_retire_requests(dev);
-
- if (need_display)
- i915_save_display(dev);
-
- if (IS_I965G(dev) || IS_G4X(dev)) {
- /*
- * Set the domains we want to reset, then the reset bit (bit 0).
- * Clear the reset bit after a while and wait for hardware status
- * bit (bit 1) to be set
- */
- pci_read_config_byte(dev->pdev, GDRST, &gdrst);
- pci_write_config_byte(dev->pdev, GDRST, gdrst | flags | ((flags == GDRST_FULL) ? 0x1 : 0x0));
- udelay(50);
- pci_write_config_byte(dev->pdev, GDRST, gdrst & 0xfe);
-
- /* ...we don't want to loop forever though, 500ms should be plenty */
- timeout = jiffies + msecs_to_jiffies(500);
- do {
- udelay(100);
- pci_read_config_byte(dev->pdev, GDRST, &gdrst);
- } while ((gdrst & 0x1) && time_after(timeout, jiffies));
-
- if (gdrst & 0x1) {
- WARN(true, "i915: Failed to reset chip\n");
- mutex_unlock(&dev->struct_mutex);
- return -EIO;
- }
- } else {
- DRM_ERROR("Error occurred. Don't know how to reset this chip.\n");
+ i915_gem_reset(dev);
+
+ ret = -ENODEV;
+ if (get_seconds() - dev_priv->last_gpu_reset < 5) {
+ DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
+ } else switch (INTEL_INFO(dev)->gen) {
+ case 5:
+ ret = ironlake_do_reset(dev, flags);
+ break;
+ case 4:
+ ret = i965_do_reset(dev, flags);
+ break;
+ case 2:
+ ret = i8xx_do_reset(dev, flags);
+ break;
+ }
+ dev_priv->last_gpu_reset = get_seconds();
+ if (ret) {
+ DRM_ERROR("Failed to reset chip.\n");
mutex_unlock(&dev->struct_mutex);
- return -ENODEV;
+ return ret;
}
/* Ok, now get things going again... */
@@ -400,13 +480,19 @@ int i965_reset(struct drm_device *dev, u8 flags)
mutex_lock(&dev->struct_mutex);
}
+ mutex_unlock(&dev->struct_mutex);
+
/*
- * Display needs restore too...
+ * Perform a full modeset as on later generations, e.g. Ironlake, we may
+ * need to retrain the display link and cannot just restore the register
+ * values.
*/
- if (need_display)
- i915_restore_display(dev);
+ if (need_display) {
+ mutex_lock(&dev->mode_config.mutex);
+ drm_helper_resume_force_mode(dev);
+ mutex_unlock(&dev->mode_config.mutex);
+ }
- mutex_unlock(&dev->struct_mutex);
return 0;
}
@@ -524,8 +610,6 @@ static struct drm_driver driver = {
.irq_uninstall = i915_driver_irq_uninstall,
.irq_handler = i915_driver_irq_handler,
.reclaim_buffers = drm_core_reclaim_buffers,
- .get_map_ofs = drm_core_get_map_ofs,
- .get_reg_ofs = drm_core_get_reg_ofs,
.master_create = i915_master_create,
.master_destroy = i915_master_destroy,
#if defined(CONFIG_DEBUG_FS)