We move the display-specific code into it's own functions, called
from the general GPU state save/restore functions. This will be needed
later by the GPU reset code.
- /* Fences */
- if (IS_I965G(dev)) {
- for (i = 0; i < 16; i++)
- I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
- } else {
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
- }
-
/* Display port ratios (must be done before clock is set) */
if (SUPPORTS_INTEGRATED_DP(dev)) {
I915_WRITE(PIPEA_GMCH_DATA_M, dev_priv->savePIPEA_GMCH_DATA_M);
@@ -535,9 +470,11 @@ int i915_restore_state(struct drm_device *dev)
I915_WRITE(PIPEA_DP_LINK_N, dev_priv->savePIPEA_DP_LINK_N);
I915_WRITE(PIPEB_DP_LINK_N, dev_priv->savePIPEB_DP_LINK_N);
}
+
/* This is only meaningful in non-KMS mode */
/* Don't restore them in KMS mode */
i915_restore_modeset_reg(dev);
+
/* Cursor state */
I915_WRITE(CURAPOS, dev_priv->saveCURAPOS);
I915_WRITE(CURACNTR, dev_priv->saveCURACNTR);
@@ -588,6 +525,95 @@ int i915_restore_state(struct drm_device *dev)
I915_WRITE(VGA_PD, dev_priv->saveVGA_PD);
DRM_UDELAY(150);
+ i915_restore_vga(dev);
+}
+
+int i915_save_state(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
+
+ /* Render Standby */
+ if (IS_I965G(dev) && IS_MOBILE(dev))
+ dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY);
+
+ /* Hardware status page */
+ dev_priv->saveHWS = I915_READ(HWS_PGA);
+
+ i915_save_display(dev);
+
+ /* Interrupt state */
+ dev_priv->saveIER = I915_READ(IER);
+ dev_priv->saveIMR = I915_READ(IMR);
+
+ /* Clock gating state */
+ dev_priv->saveD_STATE = I915_READ(D_STATE);
+ dev_priv->saveCG_2D_DIS = I915_READ(CG_2D_DIS);
+
+ /* Cache mode state */
+ dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
+
+ /* Memory Arbitration state */
+ dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
+
+ /* Scratch space */
+ for (i = 0; i < 16; i++) {
+ dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
+ dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
+ }
+ for (i = 0; i < 3; i++)
+ dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
+
+ /* Fences */
+ if (IS_I965G(dev)) {
+ for (i = 0; i < 16; i++)
+ dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
+ } else {
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
+
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
+ }
+
+ return 0;
+}
+
+int i915_restore_state(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
+
+ /* Render Standby */
+ if (IS_I965G(dev) && IS_MOBILE(dev))
+ I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY);
+
+ /* Hardware status page */
+ I915_WRITE(HWS_PGA, dev_priv->saveHWS);
+
+ /* Fences */
+ if (IS_I965G(dev)) {
+ for (i = 0; i < 16; i++)
+ I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
+ } else {
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
+ }
+
+ i915_restore_display(dev);
+
+ /* Interrupt state */
+ I915_WRITE (IER, dev_priv->saveIER);
+ I915_WRITE (IMR, dev_priv->saveIMR);
+
/* Clock gating state */
I915_WRITE (D_STATE, dev_priv->saveD_STATE);
I915_WRITE (CG_2D_DIS, dev_priv->saveCG_2D_DIS);
@@ -605,8 +631,6 @@ int i915_restore_state(struct drm_device *dev)
for (i = 0; i < 3; i++)
I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
We move the display-specific code into it's own functions, called
from the general GPU state save/restore functions. This will be needed
later by the GPU reset code.
- /* Fences */
- if (IS_I965G(dev)) {
- for (i = 0; i < 16; i++)
- I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
- } else {
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
- }
-
/* Display port ratios (must be done before clock is set) */
if (SUPPORTS_INTEGRATED_DP(dev)) {
I915_WRITE(PIPEA_GMCH_DATA_M, dev_priv->savePIPEA_GMCH_DATA_M);
@@ -535,9 +470,11 @@ int i915_restore_state(struct drm_device *dev)
I915_WRITE(PIPEA_DP_LINK_N, dev_priv->savePIPEA_DP_LINK_N);
I915_WRITE(PIPEB_DP_LINK_N, dev_priv->savePIPEB_DP_LINK_N);
}
+
/* This is only meaningful in non-KMS mode */
/* Don't restore them in KMS mode */
i915_restore_modeset_reg(dev);
+
/* Cursor state */
I915_WRITE(CURAPOS, dev_priv->saveCURAPOS);
I915_WRITE(CURACNTR, dev_priv->saveCURACNTR);
@@ -588,6 +525,94 @@ int i915_restore_state(struct drm_device *dev)
I915_WRITE(VGA_PD, dev_priv->saveVGA_PD);
DRM_UDELAY(150);
+ i915_restore_vga(dev);
+}
+
+int i915_save_state(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
+
+ /* Render Standby */
+ if (IS_I965G(dev) && IS_MOBILE(dev))
+ dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY);
+
+ /* Hardware status page */
+ dev_priv->saveHWS = I915_READ(HWS_PGA);
+
+ i915_save_display(dev);
+
+ /* Interrupt state */
+ dev_priv->saveIER = I915_READ(IER);
+ dev_priv->saveIMR = I915_READ(IMR);
+
+ /* Clock gating state */
+ dev_priv->saveD_STATE = I915_READ(D_STATE);
+
+ /* Cache mode state */
+ dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
+
+ /* Memory Arbitration state */
+ dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
+
+ /* Scratch space */
+ for (i = 0; i < 16; i++) {
+ dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
+ dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
+ }
+ for (i = 0; i < 3; i++)
+ dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
+
+ /* Fences */
+ if (IS_I965G(dev)) {
+ for (i = 0; i < 16; i++)
+ dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
+ } else {
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
+
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
+ }
+
+ return 0;
+}
+
+int i915_restore_state(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
+
+ /* Render Standby */
+ if (IS_I965G(dev) && IS_MOBILE(dev))
+ I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY);
+
+ /* Hardware status page */
+ I915_WRITE(HWS_PGA, dev_priv->saveHWS);
+
+ /* Fences */
+ if (IS_I965G(dev)) {
+ for (i = 0; i < 16; i++)
+ I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
+ } else {
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
+ }
+
+ i915_restore_display(dev);
+
+ /* Interrupt state */
+ I915_WRITE (IER, dev_priv->saveIER);
+ I915_WRITE (IMR, dev_priv->saveIMR);
+
/* Clock gating state */
I915_WRITE (D_STATE, dev_priv->saveD_STATE);
I915_WRITE (CG_2D_DIS, dev_priv->saveCG_2D_DIS);
@@ -605,8 +630,6 @@ int i915_restore_state(struct drm_device *dev)
for (i = 0; i < 3; i++)
I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
- i915_restore_vga(dev);
-
return 0;
}
--
1.6.3.3
--
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