On Fri, 2013-01-25 at 17:53 +0100, Daniel Vetter wrote:
> 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.
>
> Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> ---
> drivers/gpu/drm/i915/i915_suspend.c | 38
> +++++++++++++++----------------------
> 1 file changed, 15 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_suspend.c
> b/drivers/gpu/drm/i915/i915_suspend.c
> index 63d4d30..2e3a8a6 100644
> --- a/drivers/gpu/drm/i915/i915_suspend.c
> +++ b/drivers/gpu/drm/i915/i915_suspend.c
> @@ -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) {
> @@ -624,7 +630,8 @@ 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)) {
> @@ -709,23 +716,8 @@ static void i915_restore_display(struct drm_device *dev)
> /* Display arbitration */
> 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);
s/modeset/display/ as discussed on IRC. Also would be nice to use
format-patch -C for things like patch 2/4 in the future, as that'd make
reviewing easier imo. Otherwise on the series:
Reviewed-by: Imre Deak <imre.d...@intel.com>
>
> /* LVDS state */
> if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))
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