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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c5
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c15
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c59
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h3
-rw-r--r--drivers/gpu/drm/i915/intel_display.c151
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c1
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h3
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c7
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c79
9 files changed, 230 insertions, 93 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d4a0ddd..779a275 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3338,6 +3338,11 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
if (pipe_crc->source && source)
return -EINVAL;
+ if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe))) {
+ DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n");
+ return -EIO;
+ }
+
if (IS_GEN2(dev))
ret = i8xx_pipe_crc_ctl_reg(&source, &val);
else if (INTEL_INFO(dev)->gen < 5)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index fd17cca..d2ba315 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2574,11 +2574,13 @@ static void i915_gem_free_request(struct drm_i915_gem_request *request)
list_del(&request->list);
i915_gem_request_remove_from_client(request);
- if (i915.enable_execlists && ctx) {
- struct intel_engine_cs *ring = request->ring;
+ if (ctx) {
+ if (i915.enable_execlists) {
+ struct intel_engine_cs *ring = request->ring;
- if (ctx != ring->default_context)
- intel_lr_context_unpin(ring, ctx);
+ if (ctx != ring->default_context)
+ intel_lr_context_unpin(ring, ctx);
+ }
i915_gem_context_unreference(ctx);
}
kfree(request);
@@ -4263,7 +4265,7 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int ret;
- if (INTEL_INFO(dev)->gen >= 6)
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
ret = i915_mutex_lock_interruptible(dev);
@@ -4319,6 +4321,9 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int ret;
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return -ENODEV;
+
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5908580d..981834b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -231,9 +231,6 @@ static void snb_update_pm_irq(struct drm_i915_private *dev_priv,
assert_spin_locked(&dev_priv->irq_lock);
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return;
-
new_val = dev_priv->pm_irq_mask;
new_val &= ~interrupt_mask;
new_val |= (~enabled_irq_mask & interrupt_mask);
@@ -247,14 +244,26 @@ static void snb_update_pm_irq(struct drm_i915_private *dev_priv,
void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask)
{
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
+ return;
+
snb_update_pm_irq(dev_priv, mask, mask);
}
-void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask)
+static void __gen6_disable_pm_irq(struct drm_i915_private *dev_priv,
+ uint32_t mask)
{
snb_update_pm_irq(dev_priv, mask, 0);
}
+void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask)
+{
+ if (WARN_ON(!intel_irqs_enabled(dev_priv)))
+ return;
+
+ __gen6_disable_pm_irq(dev_priv, mask);
+}
+
void gen6_reset_rps_interrupts(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -289,16 +298,20 @@ void gen6_disable_rps_interrupts(struct drm_device *dev)
cancel_work_sync(&dev_priv->rps.work);
+ spin_lock_irq(&dev_priv->irq_lock);
+
I915_WRITE(GEN6_PMINTRMSK, INTEL_INFO(dev_priv)->gen >= 8 ?
~GEN8_PMINTR_REDIRECT_TO_NON_DISP : ~0);
+
+ __gen6_disable_pm_irq(dev_priv, dev_priv->pm_rps_events);
I915_WRITE(gen6_pm_ier(dev_priv), I915_READ(gen6_pm_ier(dev_priv)) &
~dev_priv->pm_rps_events);
+ I915_WRITE(gen6_pm_iir(dev_priv), dev_priv->pm_rps_events);
+ I915_WRITE(gen6_pm_iir(dev_priv), dev_priv->pm_rps_events);
- spin_lock_irq(&dev_priv->irq_lock);
dev_priv->rps.pm_iir = 0;
- spin_unlock_irq(&dev_priv->irq_lock);
- I915_WRITE(gen6_pm_iir(dev_priv), dev_priv->pm_rps_events);
+ spin_unlock_irq(&dev_priv->irq_lock);
}
/**
@@ -1339,10 +1352,8 @@ static void snb_gt_irq_handler(struct drm_device *dev,
if (gt_iir & (GT_BLT_CS_ERROR_INTERRUPT |
GT_BSD_CS_ERROR_INTERRUPT |
- GT_RENDER_CS_MASTER_ERROR_INTERRUPT)) {
- i915_handle_error(dev, false, "GT error interrupt 0x%08x",
- gt_iir);
- }
+ GT_RENDER_CS_MASTER_ERROR_INTERRUPT))
+ DRM_DEBUG("Command parser error, gt_iir 0x%08x\n", gt_iir);
if (gt_iir & GT_PARITY_ERROR(dev))
ivybridge_parity_error_irq_handler(dev, gt_iir);
@@ -1623,7 +1634,7 @@ static void display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe,
if (!pipe_crc->entries) {
spin_unlock(&pipe_crc->lock);
- DRM_ERROR("spurious interrupt\n");
+ DRM_DEBUG_KMS("spurious interrupt\n");
return;
}
@@ -1731,11 +1742,8 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir)
if (pm_iir & PM_VEBOX_USER_INTERRUPT)
notify_ring(dev_priv->dev, &dev_priv->ring[VECS]);
- if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT) {
- i915_handle_error(dev_priv->dev, false,
- "VEBOX CS error interrupt 0x%08x",
- pm_iir);
- }
+ if (pm_iir & PM_VEBOX_CS_ERROR_INTERRUPT)
+ DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir);
}
}
@@ -2428,6 +2436,9 @@ static void i915_error_work_func(struct work_struct *work)
* simulated reset via debugs, so get an RPM reference.
*/
intel_runtime_pm_get(dev_priv);
+
+ intel_prepare_reset(dev);
+
/*
* All state reset _must_ be completed before we update the
* reset counter, for otherwise waiters might miss the reset
@@ -2436,7 +2447,7 @@ static void i915_error_work_func(struct work_struct *work)
*/
ret = i915_reset(dev);
- intel_display_handle_reset(dev);
+ intel_finish_reset(dev);
intel_runtime_pm_put(dev_priv);
@@ -3746,9 +3757,7 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
*/
spin_lock(&dev_priv->irq_lock);
if (iir & I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
- i915_handle_error(dev, false,
- "Command parser error, iir 0x%08x",
- iir);
+ DRM_DEBUG("Command parser error, iir 0x%08x\n", iir);
for_each_pipe(dev_priv, pipe) {
int reg = PIPESTAT(pipe);
@@ -3929,9 +3938,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
*/
spin_lock(&dev_priv->irq_lock);
if (iir & I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
- i915_handle_error(dev, false,
- "Command parser error, iir 0x%08x",
- iir);
+ DRM_DEBUG("Command parser error, iir 0x%08x\n", iir);
for_each_pipe(dev_priv, pipe) {
int reg = PIPESTAT(pipe);
@@ -4154,9 +4161,7 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
*/
spin_lock(&dev_priv->irq_lock);
if (iir & I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
- i915_handle_error(dev, false,
- "Command parser error, iir 0x%08x",
- iir);
+ DRM_DEBUG("Command parser error, iir 0x%08x\n", iir);
for_each_pipe(dev_priv, pipe) {
int reg = PIPESTAT(pipe);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 3102907..5446758 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -78,11 +78,12 @@
/* Graphics reset regs */
-#define I965_GDRST 0xc0 /* PCI config register */
+#define I915_GDRST 0xc0 /* PCI config register */
#define GRDOM_FULL (0<<2)
#define GRDOM_RENDER (1<<2)
#define GRDOM_MEDIA (3<<2)
#define GRDOM_MASK (3<<2)
+#define GRDOM_RESET_STATUS (1<<1)
#define GRDOM_RESET_ENABLE (1<<0)
#define ILK_GDSR 0x2ca4 /* MCHBAR offset */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 853697f..6289bab 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2765,25 +2765,10 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
return 0;
}
-void intel_display_handle_reset(struct drm_device *dev)
+static void intel_complete_page_flips(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc;
- /*
- * Flips in the rings have been nuked by the reset,
- * so complete all pending flips so that user space
- * will get its events and not get stuck.
- *
- * Also update the base address of all primary
- * planes to the the last fb to make sure we're
- * showing the correct fb after a reset.
- *
- * Need to make two loops over the crtcs so that we
- * don't try to grab a crtc mutex before the
- * pending_flip_queue really got woken up.
- */
-
for_each_crtc(dev, crtc) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum plane plane = intel_crtc->plane;
@@ -2791,6 +2776,12 @@ void intel_display_handle_reset(struct drm_device *dev)
intel_prepare_page_flip(dev, plane);
intel_finish_page_flip_plane(dev, plane);
}
+}
+
+static void intel_update_primary_planes(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
for_each_crtc(dev, crtc) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -2810,6 +2801,79 @@ void intel_display_handle_reset(struct drm_device *dev)
}
}
+void intel_prepare_reset(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct intel_crtc *crtc;
+
+ /* no reset support for gen2 */
+ if (IS_GEN2(dev))
+ return;
+
+ /* reset doesn't touch the display */
+ if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+ return;
+
+ drm_modeset_lock_all(dev);
+
+ /*
+ * Disabling the crtcs gracefully seems nicer. Also the
+ * g33 docs say we should at least disable all the planes.
+ */
+ for_each_intel_crtc(dev, crtc) {
+ if (crtc->active)
+ dev_priv->display.crtc_disable(&crtc->base);
+ }
+}
+
+void intel_finish_reset(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ /*
+ * Flips in the rings will be nuked by the reset,
+ * so complete all pending flips so that user space
+ * will get its events and not get stuck.
+ */
+ intel_complete_page_flips(dev);
+
+ /* no reset support for gen2 */
+ if (IS_GEN2(dev))
+ return;
+
+ /* reset doesn't touch the display */
+ if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) {
+ /*
+ * Flips in the rings have been nuked by the reset,
+ * so update the base address of all primary
+ * planes to the the last fb to make sure we're
+ * showing the correct fb after a reset.
+ */
+ intel_update_primary_planes(dev);
+ return;
+ }
+
+ /*
+ * The display has been reset as well,
+ * so need a full re-initialization.
+ */
+ intel_runtime_pm_disable_interrupts(dev_priv);
+ intel_runtime_pm_enable_interrupts(dev_priv);
+
+ intel_modeset_init_hw(dev);
+
+ spin_lock_irq(&dev_priv->irq_lock);
+ if (dev_priv->display.hpd_irq_setup)
+ dev_priv->display.hpd_irq_setup(dev);
+ spin_unlock_irq(&dev_priv->irq_lock);
+
+ intel_modeset_setup_hw_state(dev, true);
+
+ intel_hpd_init(dev_priv);
+
+ drm_modeset_unlock_all(dev);
+}
+
static int
intel_finish_fb(struct drm_framebuffer *old_fb)
{
@@ -10089,6 +10153,48 @@ static bool check_encoder_cloning(struct intel_crtc *crtc)
return true;
}
+static bool check_digital_port_conflicts(struct drm_device *dev)
+{
+ struct intel_connector *connector;
+ unsigned int used_ports = 0;
+
+ /*
+ * Walk the connector list instead of the encoder
+ * list to detect the problem on ddi platforms
+ * where there's just one encoder per digital port.
+ */
+ list_for_each_entry(connector,
+ &dev->mode_config.connector_list, base.head) {
+ struct intel_encoder *encoder = connector->new_encoder;
+
+ if (!encoder)
+ continue;
+
+ WARN_ON(!encoder->new_crtc);
+
+ switch (encoder->type) {
+ unsigned int port_mask;
+ case INTEL_OUTPUT_UNKNOWN:
+ if (WARN_ON(!HAS_DDI(dev)))
+ break;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ case INTEL_OUTPUT_HDMI:
+ case INTEL_OUTPUT_EDP:
+ port_mask = 1 << enc_to_dig_port(&encoder->base)->port;
+
+ /* the same port mustn't appear more than once */
+ if (used_ports & port_mask)
+ return false;
+
+ used_ports |= port_mask;
+ default:
+ break;
+ }
+ }
+
+ return true;
+}
+
static struct intel_crtc_config *
intel_modeset_pipe_config(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
@@ -10105,6 +10211,11 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
return ERR_PTR(-EINVAL);
}
+ if (!check_digital_port_conflicts(dev)) {
+ DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n");
+ return ERR_PTR(-EINVAL);
+ }
+
pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL);
if (!pipe_config)
return ERR_PTR(-ENOMEM);
@@ -10907,7 +11018,6 @@ intel_modeset_compute_config(struct drm_crtc *crtc,
}
intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
"[modeset]");
- to_intel_crtc(crtc)->new_config = pipe_config;
out:
return pipe_config;
@@ -10933,6 +11043,9 @@ static int __intel_set_mode(struct drm_crtc *crtc,
*saved_mode = crtc->mode;
+ if (modeset_pipes)
+ to_intel_crtc(crtc)->new_config = pipe_config;
+
/*
* See if the config requires any additional preparation, e.g.
* to adjust global state with pipes off. We need to do this
@@ -11466,12 +11579,12 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
ret = PTR_ERR(pipe_config);
goto fail;
} else if (pipe_config) {
- if (to_intel_crtc(set->crtc)->new_config->has_audio !=
+ if (pipe_config->has_audio !=
to_intel_crtc(set->crtc)->config.has_audio)
config->mode_changed = true;
/* Force mode sets for any infoframe stuff */
- if (to_intel_crtc(set->crtc)->new_config->has_infoframe ||
+ if (pipe_config->has_infoframe ||
to_intel_crtc(set->crtc)->config.has_infoframe)
config->mode_changed = true;
}
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d2529ec..5cecc20 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1503,6 +1503,7 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
if (!is_edp(intel_dp))
return false;
+ cancel_delayed_work(&intel_dp->panel_vdd_work);
intel_dp->want_panel_vdd = true;
if (edp_have_panel_vdd(intel_dp))
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index f0a46ec..25fdbb1 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -958,7 +958,8 @@ unsigned long intel_gen4_compute_page_offset(int *x, int *y,
unsigned int tiling_mode,
unsigned int bpp,
unsigned int pitch);
-void intel_display_handle_reset(struct drm_device *dev);
+void intel_prepare_reset(struct drm_device *dev);
+void intel_finish_reset(struct drm_device *dev);
void hsw_enable_pc8(struct drm_i915_private *dev_priv);
void hsw_disable_pc8(struct drm_i915_private *dev_priv);
void intel_dp_get_m_n(struct intel_crtc *crtc,
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index ec87333..3abc200 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1461,10 +1461,13 @@ static void chv_hdmi_post_disable(struct intel_encoder *encoder)
static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
{
struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct intel_hdmi *intel_hdmi = &dport->hdmi;
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc =
to_intel_crtc(encoder->base.crtc);
+ struct drm_display_mode *adjusted_mode =
+ &intel_crtc->config.adjusted_mode;
enum dpio_channel ch = vlv_dport_to_channel(dport);
int pipe = intel_crtc->pipe;
int data, i;
@@ -1589,6 +1592,10 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
mutex_unlock(&dev_priv->dpio_lock);
+ intel_hdmi->set_infoframes(&encoder->base,
+ intel_crtc->config.has_hdmi_sink,
+ adjusted_mode);
+
intel_enable_hdmi(encoder);
vlv_wait_port_ready(dev_priv, dport);
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 1a3e485..46de8d7 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -43,8 +43,8 @@
static void
assert_device_not_suspended(struct drm_i915_private *dev_priv)
{
- WARN(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
- "Device suspended\n");
+ WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
+ "Device suspended\n");
}
static void __gen6_gt_wait_for_thread_c0(struct drm_i915_private *dev_priv)
@@ -671,18 +671,22 @@ void assert_force_wake_inactive(struct drm_i915_private *dev_priv)
REG_RANGE((reg), 0x22000, 0x24000))
#define FORCEWAKE_GEN9_UNCORE_RANGE_OFFSET(reg) \
- REG_RANGE((reg), 0xC00, 0x2000)
+ REG_RANGE((reg), 0xB00, 0x2000)
#define FORCEWAKE_GEN9_RENDER_RANGE_OFFSET(reg) \
- (REG_RANGE((reg), 0x2000, 0x4000) || \
+ (REG_RANGE((reg), 0x2000, 0x2700) || \
+ REG_RANGE((reg), 0x3000, 0x4000) || \
REG_RANGE((reg), 0x5200, 0x8000) || \
+ REG_RANGE((reg), 0x8140, 0x8160) || \
REG_RANGE((reg), 0x8300, 0x8500) || \
REG_RANGE((reg), 0x8C00, 0x8D00) || \
REG_RANGE((reg), 0xB000, 0xB480) || \
- REG_RANGE((reg), 0xE000, 0xE800))
+ REG_RANGE((reg), 0xE000, 0xE900) || \
+ REG_RANGE((reg), 0x24400, 0x24800))
#define FORCEWAKE_GEN9_MEDIA_RANGE_OFFSET(reg) \
- (REG_RANGE((reg), 0x8800, 0x8A00) || \
+ (REG_RANGE((reg), 0x8130, 0x8140) || \
+ REG_RANGE((reg), 0x8800, 0x8A00) || \
REG_RANGE((reg), 0xD000, 0xD800) || \
REG_RANGE((reg), 0x12000, 0x14000) || \
REG_RANGE((reg), 0x1A000, 0x1EA00) || \
@@ -1345,41 +1349,34 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev,
return 0;
}
-static int i965_reset_complete(struct drm_device *dev)
+static int i915_reset_complete(struct drm_device *dev)
{
u8 gdrst;
- pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
- return (gdrst & GRDOM_RESET_ENABLE) == 0;
+ pci_read_config_byte(dev->pdev, I915_GDRST, &gdrst);
+ return (gdrst & GRDOM_RESET_STATUS) == 0;
}
-static int i965_do_reset(struct drm_device *dev)
+static int i915_do_reset(struct drm_device *dev)
{
- int ret;
-
- /* FIXME: i965g/gm need a display save/restore for gpu reset. */
- return -ENODEV;
+ /* assert reset for at least 20 usec */
+ pci_write_config_byte(dev->pdev, I915_GDRST, GRDOM_RESET_ENABLE);
+ udelay(20);
+ pci_write_config_byte(dev->pdev, I915_GDRST, 0);
- /*
- * 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_write_config_byte(dev->pdev, I965_GDRST,
- GRDOM_RENDER | GRDOM_RESET_ENABLE);
- ret = wait_for(i965_reset_complete(dev), 500);
- if (ret)
- return ret;
-
- pci_write_config_byte(dev->pdev, I965_GDRST,
- GRDOM_MEDIA | GRDOM_RESET_ENABLE);
-
- ret = wait_for(i965_reset_complete(dev), 500);
- if (ret)
- return ret;
+ return wait_for(i915_reset_complete(dev), 500);
+}
- pci_write_config_byte(dev->pdev, I965_GDRST, 0);
+static int g4x_reset_complete(struct drm_device *dev)
+{
+ u8 gdrst;
+ pci_read_config_byte(dev->pdev, I915_GDRST, &gdrst);
+ return (gdrst & GRDOM_RESET_ENABLE) == 0;
+}
- return 0;
+static int g33_do_reset(struct drm_device *dev)
+{
+ pci_write_config_byte(dev->pdev, I915_GDRST, GRDOM_RESET_ENABLE);
+ return wait_for(g4x_reset_complete(dev), 500);
}
static int g4x_do_reset(struct drm_device *dev)
@@ -1387,9 +1384,9 @@ static int g4x_do_reset(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- pci_write_config_byte(dev->pdev, I965_GDRST,
+ pci_write_config_byte(dev->pdev, I915_GDRST,
GRDOM_RENDER | GRDOM_RESET_ENABLE);
- ret = wait_for(i965_reset_complete(dev), 500);
+ ret = wait_for(g4x_reset_complete(dev), 500);
if (ret)
return ret;
@@ -1397,9 +1394,9 @@ static int g4x_do_reset(struct drm_device *dev)
I915_WRITE(VDECCLK_GATE_D, I915_READ(VDECCLK_GATE_D) | VCP_UNIT_CLOCK_GATE_DISABLE);
POSTING_READ(VDECCLK_GATE_D);
- pci_write_config_byte(dev->pdev, I965_GDRST,
+ pci_write_config_byte(dev->pdev, I915_GDRST,
GRDOM_MEDIA | GRDOM_RESET_ENABLE);
- ret = wait_for(i965_reset_complete(dev), 500);
+ ret = wait_for(g4x_reset_complete(dev), 500);
if (ret)
return ret;
@@ -1407,7 +1404,7 @@ static int g4x_do_reset(struct drm_device *dev)
I915_WRITE(VDECCLK_GATE_D, I915_READ(VDECCLK_GATE_D) & ~VCP_UNIT_CLOCK_GATE_DISABLE);
POSTING_READ(VDECCLK_GATE_D);
- pci_write_config_byte(dev->pdev, I965_GDRST, 0);
+ pci_write_config_byte(dev->pdev, I915_GDRST, 0);
return 0;
}
@@ -1465,8 +1462,10 @@ int intel_gpu_reset(struct drm_device *dev)
return ironlake_do_reset(dev);
else if (IS_G4X(dev))
return g4x_do_reset(dev);
- else if (IS_GEN4(dev))
- return i965_do_reset(dev);
+ else if (IS_G33(dev))
+ return g33_do_reset(dev);
+ else if (INTEL_INFO(dev)->gen >= 3)
+ return i915_do_reset(dev);
else
return -ENODEV;
}
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