提交 20624d17 编写于 作者: L Linus Torvalds

Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Final drm fixes: one core locking imbalance regression, and a bunch of
  i915 baytrail s/r fixes"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: fix drm_mode_getconnector() locking imbalance regression
  drm/i915/vlv: remove wait for previous GFX clk disable request
  drm/i915/chv: Remove Wait for a previous gfx force-off
  drm/i915/vlv: save/restore the power context base reg
...@@ -2121,7 +2121,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, ...@@ -2121,7 +2121,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
connector = drm_connector_find(dev, out_resp->connector_id); connector = drm_connector_find(dev, out_resp->connector_id);
if (!connector) { if (!connector) {
ret = -ENOENT; ret = -ENOENT;
goto out; goto out_unlock;
} }
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++)
...@@ -2201,6 +2201,8 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, ...@@ -2201,6 +2201,8 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
out: out:
drm_modeset_unlock(&dev->mode_config.connection_mutex); drm_modeset_unlock(&dev->mode_config.connection_mutex);
out_unlock:
mutex_unlock(&dev->mode_config.mutex); mutex_unlock(&dev->mode_config.mutex);
return ret; return ret;
......
...@@ -1095,6 +1095,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) ...@@ -1095,6 +1095,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
/* Gunit-Display CZ domain, 0x182028-0x1821CF */ /* Gunit-Display CZ domain, 0x182028-0x1821CF */
s->gu_ctl0 = I915_READ(VLV_GU_CTL0); s->gu_ctl0 = I915_READ(VLV_GU_CTL0);
s->gu_ctl1 = I915_READ(VLV_GU_CTL1); s->gu_ctl1 = I915_READ(VLV_GU_CTL1);
s->pcbr = I915_READ(VLV_PCBR);
s->clock_gate_dis2 = I915_READ(VLV_GUNIT_CLOCK_GATE2); s->clock_gate_dis2 = I915_READ(VLV_GUNIT_CLOCK_GATE2);
/* /*
...@@ -1189,6 +1190,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) ...@@ -1189,6 +1190,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
/* Gunit-Display CZ domain, 0x182028-0x1821CF */ /* Gunit-Display CZ domain, 0x182028-0x1821CF */
I915_WRITE(VLV_GU_CTL0, s->gu_ctl0); I915_WRITE(VLV_GU_CTL0, s->gu_ctl0);
I915_WRITE(VLV_GU_CTL1, s->gu_ctl1); I915_WRITE(VLV_GU_CTL1, s->gu_ctl1);
I915_WRITE(VLV_PCBR, s->pcbr);
I915_WRITE(VLV_GUNIT_CLOCK_GATE2, s->clock_gate_dis2); I915_WRITE(VLV_GUNIT_CLOCK_GATE2, s->clock_gate_dis2);
} }
...@@ -1197,19 +1199,7 @@ int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on) ...@@ -1197,19 +1199,7 @@ int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on)
u32 val; u32 val;
int err; int err;
val = I915_READ(VLV_GTLC_SURVIVABILITY_REG);
WARN_ON(!!(val & VLV_GFX_CLK_FORCE_ON_BIT) == force_on);
#define COND (I915_READ(VLV_GTLC_SURVIVABILITY_REG) & VLV_GFX_CLK_STATUS_BIT) #define COND (I915_READ(VLV_GTLC_SURVIVABILITY_REG) & VLV_GFX_CLK_STATUS_BIT)
/* Wait for a previous force-off to settle */
if (force_on) {
err = wait_for(!COND, 20);
if (err) {
DRM_ERROR("timeout waiting for GFX clock force-off (%08x)\n",
I915_READ(VLV_GTLC_SURVIVABILITY_REG));
return err;
}
}
val = I915_READ(VLV_GTLC_SURVIVABILITY_REG); val = I915_READ(VLV_GTLC_SURVIVABILITY_REG);
val &= ~VLV_GFX_CLK_FORCE_ON_BIT; val &= ~VLV_GFX_CLK_FORCE_ON_BIT;
......
...@@ -1094,6 +1094,7 @@ struct vlv_s0ix_state { ...@@ -1094,6 +1094,7 @@ struct vlv_s0ix_state {
/* Display 2 CZ domain */ /* Display 2 CZ domain */
u32 gu_ctl0; u32 gu_ctl0;
u32 gu_ctl1; u32 gu_ctl1;
u32 pcbr;
u32 clock_gate_dis2; u32 clock_gate_dis2;
}; };
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册