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drm/i915: move modeset checks out of save/restore_modeset_reg 

That way the control flow is clearer, and it prepares the stage
to extract these ums functions and hide them somewhere.

There's still tons of display stuff outside of these, but that
requires more work.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-01-25 17:53:19 +01:00
parent 41c0b3a88c
commit 2e9723a3e7
1 changed files with 15 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/gpu/drm/i915/i915_suspend.c
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@ -240,9 +240,6 @@ static void i915_save_modeset_reg(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int i;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
/* Cursor state */
dev_priv->regfile.saveCURACNTR = I915_READ(_CURACNTR);
dev_priv->regfile.saveCURAPOS = I915_READ(_CURAPOS);
@ -410,8 +407,17 @@ static void i915_restore_modeset_reg(struct drm_device *dev)
int dpll_b_reg, fpb0_reg, fpb1_reg;
int i;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
/* Display port ratios (must be done before clock is set) */
if (SUPPORTS_INTEGRATED_DP(dev)) {
I915_WRITE(_PIPEA_GMCH_DATA_M, dev_priv->regfile.savePIPEA_GMCH_DATA_M);
I915_WRITE(_PIPEB_GMCH_DATA_M, dev_priv->regfile.savePIPEB_GMCH_DATA_M);
I915_WRITE(_PIPEA_GMCH_DATA_N, dev_priv->regfile.savePIPEA_GMCH_DATA_N);
I915_WRITE(_PIPEB_GMCH_DATA_N, dev_priv->regfile.savePIPEB_GMCH_DATA_N);
I915_WRITE(_PIPEA_DP_LINK_M, dev_priv->regfile.savePIPEA_DP_LINK_M);
I915_WRITE(_PIPEB_DP_LINK_M, dev_priv->regfile.savePIPEB_DP_LINK_M);
I915_WRITE(_PIPEA_DP_LINK_N, dev_priv->regfile.savePIPEA_DP_LINK_N);
I915_WRITE(_PIPEB_DP_LINK_N, dev_priv->regfile.savePIPEB_DP_LINK_N);
}
/* Fences */
switch (INTEL_INFO(dev)->gen) {
@ -625,7 +631,8 @@ static void i915_save_display(struct drm_device *dev)
/* This is only meaningful in non-KMS mode */
/* Don't regfile.save them in KMS mode */
i915_save_modeset_reg(dev);
if (!drm_core_check_feature(dev, DRIVER_MODESET))
i915_save_modeset_reg(dev);
/* LVDS state */
if (HAS_PCH_SPLIT(dev)) {
@ -711,23 +718,8 @@ static void i915_restore_display(struct drm_device *dev)
if (INTEL_INFO(dev)->gen <= 4)
I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
/* Display port ratios (must be done before clock is set) */
if (SUPPORTS_INTEGRATED_DP(dev)) {
I915_WRITE(_PIPEA_GMCH_DATA_M, dev_priv->regfile.savePIPEA_GMCH_DATA_M);
I915_WRITE(_PIPEB_GMCH_DATA_M, dev_priv->regfile.savePIPEB_GMCH_DATA_M);
I915_WRITE(_PIPEA_GMCH_DATA_N, dev_priv->regfile.savePIPEA_GMCH_DATA_N);
I915_WRITE(_PIPEB_GMCH_DATA_N, dev_priv->regfile.savePIPEB_GMCH_DATA_N);
I915_WRITE(_PIPEA_DP_LINK_M, dev_priv->regfile.savePIPEA_DP_LINK_M);
I915_WRITE(_PIPEB_DP_LINK_M, dev_priv->regfile.savePIPEB_DP_LINK_M);
I915_WRITE(_PIPEA_DP_LINK_N, dev_priv->regfile.savePIPEA_DP_LINK_N);
I915_WRITE(_PIPEB_DP_LINK_N, dev_priv->regfile.savePIPEB_DP_LINK_N);
}
}
/* This is only meaningful in non-KMS mode */
/* Don't restore them in KMS mode */
i915_restore_modeset_reg(dev);
if (!drm_core_check_feature(dev, DRIVER_MODESET))
i915_restore_modeset_reg(dev);
/* LVDS state */
if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))