From: Ville Syrjälä <ville.syrj...@linux.intel.com>
915/945 have the same reset registers as 965, so share the code.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 3 ++-
drivers/gpu/drm/i915/i915_reg.h | 2 +-
drivers/gpu/drm/i915/intel_uncore.c | 24 ++++++++++++------------
3 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 68e4239..44abd7b 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -881,7 +881,8 @@ int i915_reset(struct drm_device *dev)
if (INTEL_INFO(dev)->gen > 5)
intel_reset_gt_powersave(dev);
- if (IS_GEN4(dev) && !IS_G4X(dev)) {
+ if ((IS_GEN3(dev) && !IS_G33(dev)) ||
+ (IS_GEN4(dev) && !IS_G4X(dev))) {
intel_runtime_pm_disable_interrupts(dev_priv);
intel_runtime_pm_enable_interrupts(dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ff1e36f..5446758 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -78,7 +78,7 @@
/* 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)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c
b/drivers/gpu/drm/i915/intel_uncore.c
index 6516fa1..54f8265 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1345,27 +1345,27 @@ 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);
+ 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)
{
/* assert reset for at least 20 usec */
- pci_write_config_byte(dev->pdev, I965_GDRST, GRDOM_RESET_ENABLE);
+ pci_write_config_byte(dev->pdev, I915_GDRST, GRDOM_RESET_ENABLE);
udelay(20);
- pci_write_config_byte(dev->pdev, I965_GDRST, 0);
+ pci_write_config_byte(dev->pdev, I915_GDRST, 0);
- return wait_for(i965_reset_complete(dev), 500);
+ return wait_for(i915_reset_complete(dev), 500);
}
static int g4x_reset_complete(struct drm_device *dev)
{
u8 gdrst;
- pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
+ pci_read_config_byte(dev->pdev, I915_GDRST, &gdrst);
return (gdrst & GRDOM_RESET_ENABLE) == 0;
}
@@ -1374,7 +1374,7 @@ 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(g4x_reset_complete(dev), 500);
if (ret)
@@ -1384,7 +1384,7 @@ 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,
+ pci_write_config_byte(dev->pdev, I915_GDRST,
GRDOM_MEDIA | GRDOM_RESET_ENABLE);
ret = wait_for(g4x_reset_complete(dev), 500);
if (ret)
@@ -1394,7 +1394,7 @@ 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;
}
@@ -1452,8 +1452,8 @@ 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_GEN4(dev) || (IS_GEN3(dev) && !IS_G33(dev)))
+ return i915_do_reset(dev);
else
return -ENODEV;
}
--
2.0.4
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