DRRS and PSR can't be enable together, so giving preference to PSR
as it allows more power-savings by complete shutting down display,
so to guarantee this, it should compute DRRS state after compute PSR.
Cc: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 53 +++++++++++++++----------
1 file changed, 33 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
b/drivers/gpu/drm/i915/display/intel_dp.c
index 0eb5d66f87a7..7fa702eafff0 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2141,6 +2141,36 @@ bool intel_dp_limited_color_range(const struct
intel_crtc_state *crtc_state,
}
}
+static void
+intel_dp_drrs_compute_config(struct intel_dp *intel_dp,
+ struct intel_crtc_state *pipe_config,
+ int output_bpp, bool constant_n)
+{
+ struct intel_connector *intel_connector = intel_dp->attached_connector;
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+
+ /*
+ * DRRS and PSR can't be enable together, so giving preference to PSR
+ * as it allows more power-savings by complete shutting down display,
+ * so to guarantee this, intel_dp_drrs_compute_config() must be called
+ * after intel_psr_compute_config().
+ */
+ if (pipe_config->has_psr)
+ return;
+
+ if (dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT)
+ return;
+
+ if (!intel_connector->panel.downclock_mode)
+ return;
+
+ pipe_config->has_drrs = true;
+ intel_link_compute_m_n(output_bpp, pipe_config->lane_count,
+ intel_connector->panel.downclock_mode->clock,
+ pipe_config->port_clock, &pipe_config->dp_m2_n2,
+ constant_n);
+}
+
int
intel_dp_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
@@ -2172,7 +2202,6 @@ intel_dp_compute_config(struct intel_encoder *encoder,
if (ret)
return ret;
- pipe_config->has_drrs = false;
if (IS_G4X(dev_priv) || port == PORT_A)
pipe_config->has_audio = false;
else if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
@@ -2227,21 +2256,12 @@ intel_dp_compute_config(struct intel_encoder *encoder,
&pipe_config->dp_m_n,
constant_n);
- if (intel_connector->panel.downclock_mode != NULL &&
- dev_priv->drrs.type == SEAMLESS_DRRS_SUPPORT) {
- pipe_config->has_drrs = true;
- intel_link_compute_m_n(output_bpp,
- pipe_config->lane_count,
-
intel_connector->panel.downclock_mode->clock,
- pipe_config->port_clock,
- &pipe_config->dp_m2_n2,
- constant_n);
- }
-
if (!HAS_DDI(dev_priv))
intel_dp_set_clock(encoder, pipe_config);
intel_psr_compute_config(intel_dp, pipe_config);
+ intel_dp_drrs_compute_config(intel_dp, pipe_config, output_bpp,
+ constant_n);
return 0;
}
@@ -6724,15 +6744,8 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp,
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- if (!crtc_state->has_drrs) {
- DRM_DEBUG_KMS("Panel doesn't support DRRS\n");
+ if (!crtc_state->has_drrs)
return;
- }
-
- if (dev_priv->psr.enabled) {
- DRM_DEBUG_KMS("PSR enabled. Not enabling DRRS.\n");
- return;
- }
mutex_lock(&dev_priv->drrs.mutex);
if (dev_priv->drrs.dp) {
--
2.22.0
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