if (HAS_PCH_SPLIT(dev)) {
intel_setup_wm_latency(dev);
- if (IS_GEN5(dev)) {
- if (dev_priv->wm.pri_latency[1] &&
- dev_priv->wm.spr_latency[1] &&
- dev_priv->wm.cur_latency[1]) {
- dev_priv->display.update_wm = ilk_update_wm;
- dev_priv->display.update_sprite_wm =
- ilk_update_sprite_wm;
- } else {
- DRM_DEBUG_KMS("Failed to get proper latency. "
- "Disable CxSR\n");
- dev_priv->display.update_wm = NULL;
- }
+ if ((IS_GEN5(dev) && dev_priv->wm.pri_latency[1] &&
+ dev_priv->wm.spr_latency[1] && dev_priv->wm.cur_latency[1]) ||
+ (!IS_GEN5(dev) && dev_priv->wm.pri_latency[0] &&
+ dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) {
+ dev_priv->display.update_wm = ilk_update_wm;
+ dev_priv->display.update_sprite_wm = ilk_update_sprite_wm;
+ } else {
+ DRM_DEBUG_KMS("Failed to read display plane latency. "
+ "Disable CxSR\n");
+ }
+
+ if (IS_GEN5(dev))
dev_priv->display.init_clock_gating = ironlake_init_clock_gating;
- } else if (IS_GEN6(dev)) {
- if (dev_priv->wm.pri_latency[0] &&
- dev_priv->wm.spr_latency[0] &&
- dev_priv->wm.cur_latency[0]) {
- dev_priv->display.update_wm = ilk_update_wm;
- dev_priv->display.update_sprite_wm =
- ilk_update_sprite_wm;
- } else {
- DRM_DEBUG_KMS("Failed to read display plane latency. "
- "Disable CxSR\n");
- dev_priv->display.update_wm = NULL;
- }
+ else if (IS_GEN6(dev))
dev_priv->display.init_clock_gating = gen6_init_clock_gating;
- } else if (IS_IVYBRIDGE(dev)) {
- if (dev_priv->wm.pri_latency[0] &&
- dev_priv->wm.spr_latency[0] &&
- dev_priv->wm.cur_latency[0]) {
- dev_priv->display.update_wm = ilk_update_wm;
- dev_priv->display.update_sprite_wm =
- ilk_update_sprite_wm;
- } else {
- DRM_DEBUG_KMS("Failed to read display plane latency. "
- "Disable CxSR\n");
- dev_priv->display.update_wm = NULL;
- }
+ else if (IS_IVYBRIDGE(dev))
dev_priv->display.init_clock_gating = ivybridge_init_clock_gating;
- } else if (IS_HASWELL(dev)) {
- if (dev_priv->wm.pri_latency[0] &&
- dev_priv->wm.spr_latency[0] &&
- dev_priv->wm.cur_latency[0]) {
- dev_priv->display.update_wm = ilk_update_wm;
- dev_priv->display.update_sprite_wm =
- ilk_update_sprite_wm;
- } else {
- DRM_DEBUG_KMS("Failed to read display plane latency. "
- "Disable CxSR\n");
- dev_priv->display.update_wm = NULL;
- }
+ else if (IS_HASWELL(dev))
dev_priv->display.init_clock_gating = haswell_init_clock_gating;
- } else if (INTEL_INFO(dev)->gen == 8) {
- if (dev_priv->wm.pri_latency[0] &&
- dev_priv->wm.spr_latency[0] &&
- dev_priv->wm.cur_latency[0]) {
- dev_priv->display.update_wm = ilk_update_wm;
- dev_priv->display.update_sprite_wm =
- ilk_update_sprite_wm;
- } else {
- DRM_DEBUG_KMS("Failed to read display plane latency. "
- "Disable CxSR\n");
- dev_priv->display.update_wm = NULL;
- }
+ else if (INTEL_INFO(dev)->gen == 8)
dev_priv->display.init_clock_gating = gen8_init_clock_gating;
- } else
- dev_priv->display.update_wm = NULL;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->display.update_wm = valleyview_update_wm;
dev_priv->display.init_clock_gating =