Changes in the configuration could cause PSR to be compatible and enabled so driver must also be able to disable DRRS when doing fastsets.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109263 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108341 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109263 Cc: Hans de Goede <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Dhinakaran Pandiyan <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> --- drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- drivers/gpu/drm/i915/display/intel_dp.c | 68 ++++++++++++++++++++---- drivers/gpu/drm/i915/display/intel_dp.h | 2 + 3 files changed, 62 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index fb58845020dc..387b9de9caa1 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3629,7 +3629,7 @@ static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder, intel_ddi_set_pipe_settings(crtc_state); intel_psr_update(intel_dp, crtc_state); - intel_edp_drrs_enable(intel_dp, crtc_state); + intel_edp_drrs_update(intel_dp, crtc_state); intel_panel_update_backlight(encoder, crtc_state, conn_state); } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7fa702eafff0..e3026790e78f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6732,6 +6732,15 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("eDP Refresh Rate set to : %dHz\n", refresh_rate); } +static void +intel_edp_drrs_enable_locked(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + dev_priv->drrs.busy_frontbuffer_bits = 0; + dev_priv->drrs.dp = intel_dp; +} + /** * intel_edp_drrs_enable - init drrs struct if supported * @intel_dp: DP struct @@ -6748,19 +6757,31 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp, return; mutex_lock(&dev_priv->drrs.mutex); + if (dev_priv->drrs.dp) { - DRM_DEBUG_KMS("DRRS already enabled\n"); + DRM_WARN("DRRS already enabled\n"); goto unlock; } - dev_priv->drrs.busy_frontbuffer_bits = 0; - - dev_priv->drrs.dp = intel_dp; + intel_edp_drrs_enable_locked(intel_dp); unlock: mutex_unlock(&dev_priv->drrs.mutex); } +static void +intel_edp_drrs_disable_locked(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) + intel_dp_set_drrs_state(dev_priv, crtc_state, + intel_dp->attached_connector->panel.fixed_mode->vrefresh); + + dev_priv->drrs.dp = NULL; +} + /** * intel_edp_drrs_disable - Disable DRRS * @intel_dp: DP struct @@ -6781,16 +6802,45 @@ void intel_edp_drrs_disable(struct intel_dp *intel_dp, return; } - if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) - intel_dp_set_drrs_state(dev_priv, old_crtc_state, - intel_dp->attached_connector->panel.fixed_mode->vrefresh); - - dev_priv->drrs.dp = NULL; + intel_edp_drrs_disable_locked(intel_dp, old_crtc_state); mutex_unlock(&dev_priv->drrs.mutex); cancel_delayed_work_sync(&dev_priv->drrs.work); } +/** + * intel_edp_drrs_update - Update DRRS state + * @intel_dp: Intel DP + * @crtc_state: new CRTC state + * + * This function will update DRRS states, disabling or enabling DRRS when + * executing fastsets. For full modeset, intel_edp_drrs_disable() and + * intel_edp_drrs_enable() should be called instead. + */ +void +intel_edp_drrs_update(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT) + return; + + mutex_lock(&dev_priv->drrs.mutex); + + /* New state matches current one? */ + if (crtc_state->has_drrs == !!dev_priv->drrs.dp) + goto unlock; + + if (crtc_state->has_drrs) + intel_edp_drrs_enable_locked(intel_dp); + else + intel_edp_drrs_disable_locked(intel_dp, crtc_state); + +unlock: + mutex_unlock(&dev_priv->drrs.mutex); +} + static void intel_edp_drrs_downclock_work(struct work_struct *work) { struct drm_i915_private *dev_priv = diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 657bbb1f5ed0..72a1e85b0c23 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -81,6 +81,8 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); void intel_edp_drrs_disable(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); +void intel_edp_drrs_update(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits); void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, -- 2.22.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
