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path: root/drivers/gpu/drm/i915
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-rw-r--r--drivers/gpu/drm/i915/intel_color.c25
-rw-r--r--drivers/gpu/drm/i915/intel_display.c47
2 files changed, 42 insertions, 30 deletions
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index c364cb7cb14c..71a1f12c6b2a 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -361,29 +361,6 @@ static void hsw_color_commit(const struct intel_crtc_state *crtc_state)
ilk_load_csc_matrix(crtc_state);
}
-/* Loads the legacy palette/gamma unit for the CRTC on Haswell. */
-static void haswell_load_luts(const struct intel_crtc_state *crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- bool reenable_ips = false;
-
- /*
- * Workaround : Do not read or write the pipe palette/gamma data while
- * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
- */
- if (IS_HASWELL(dev_priv) && crtc_state->ips_enabled &&
- (crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT)) {
- hsw_disable_ips(crtc_state);
- reenable_ips = true;
- }
-
- i9xx_load_luts(crtc_state);
-
- if (reenable_ips)
- hsw_enable_ips(crtc_state);
-}
-
static void bdw_load_degamma_lut(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
@@ -675,7 +652,7 @@ void intel_color_init(struct intel_crtc *crtc)
if (IS_CHERRYVIEW(dev_priv)) {
dev_priv->display.load_luts = cherryview_load_luts;
} else if (IS_HASWELL(dev_priv)) {
- dev_priv->display.load_luts = haswell_load_luts;
+ dev_priv->display.load_luts = i9xx_load_luts;
dev_priv->display.color_commit = hsw_color_commit;
} else if (IS_BROADWELL(dev_priv) || IS_GEN9_BC(dev_priv) ||
IS_BROXTON(dev_priv)) {
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 63b61f61eccc..2802674c94ef 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5373,18 +5373,36 @@ intel_pre_disable_primary_noatomic(struct drm_crtc *crtc)
static bool hsw_pre_update_disable_ips(const struct intel_crtc_state *old_crtc_state,
const struct intel_crtc_state *new_crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+
if (!old_crtc_state->ips_enabled)
return false;
if (needs_modeset(&new_crtc_state->base))
return true;
+ /*
+ * Workaround : Do not read or write the pipe palette/gamma data while
+ * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
+ *
+ * Disable IPS before we program the LUT.
+ */
+ if (IS_HASWELL(dev_priv) &&
+ (new_crtc_state->base.color_mgmt_changed ||
+ new_crtc_state->update_pipe) &&
+ new_crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT)
+ return true;
+
return !new_crtc_state->ips_enabled;
}
static bool hsw_post_update_enable_ips(const struct intel_crtc_state *old_crtc_state,
const struct intel_crtc_state *new_crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+
if (!new_crtc_state->ips_enabled)
return false;
@@ -5392,6 +5410,18 @@ static bool hsw_post_update_enable_ips(const struct intel_crtc_state *old_crtc_s
return true;
/*
+ * Workaround : Do not read or write the pipe palette/gamma data while
+ * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
+ *
+ * Re-enable IPS after the LUT has been programmed.
+ */
+ if (IS_HASWELL(dev_priv) &&
+ (new_crtc_state->base.color_mgmt_changed ||
+ new_crtc_state->update_pipe) &&
+ new_crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT)
+ return true;
+
+ /*
* We can't read out IPS on broadwell, assume the worst and
* forcibly enable IPS on the first fastset.
*/
@@ -11136,7 +11166,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
return ret;
}
- if (crtc_state->color_mgmt_changed) {
+ if (mode_changed || crtc_state->color_mgmt_changed) {
ret = intel_color_check(pipe_config);
if (ret)
return ret;
@@ -13225,6 +13255,16 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
*/
drm_atomic_helper_wait_for_flip_done(dev, state);
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+ new_intel_crtc_state = to_intel_crtc_state(new_crtc_state);
+
+ if (new_crtc_state->active &&
+ !needs_modeset(new_crtc_state) &&
+ (new_intel_crtc_state->base.color_mgmt_changed ||
+ new_intel_crtc_state->update_pipe))
+ intel_color_load_luts(new_intel_crtc_state);
+ }
+
/*
* Now that the vblank has passed, we can go ahead and program the
* optimal watermarks on platforms that need two-step watermark
@@ -13740,11 +13780,6 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
bool modeset = needs_modeset(&intel_cstate->base);
- if (!modeset &&
- (intel_cstate->base.color_mgmt_changed ||
- intel_cstate->update_pipe))
- intel_color_load_luts(intel_cstate);
-
/* Perform vblank evasion around commit operation */
intel_pipe_update_start(intel_cstate);