From: Ville Syrjälä <[email protected]> Print out on which pipes, and for what reason, we are forcing a full modeset.
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/display/intel_cdclk.c | 2 +- drivers/gpu/drm/i915/display/intel_display.c | 6 +++++- drivers/gpu/drm/i915/display/intel_display.h | 3 ++- drivers/gpu/drm/i915/display/skl_watermark.c | 2 +- 4 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index a12e86d92783..ad401357ab66 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -2769,7 +2769,7 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state) } else if (intel_cdclk_needs_modeset(&old_cdclk_state->actual, &new_cdclk_state->actual)) { /* All pipes must be switched off while we change the cdclk. */ - ret = intel_modeset_all_pipes(state); + ret = intel_modeset_all_pipes(state, "CDCLK change"); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index eb8eaeb19881..650d37ff76e6 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -5937,7 +5937,8 @@ intel_verify_planes(struct intel_atomic_state *state) plane_state->uapi.visible); } -int intel_modeset_all_pipes(struct intel_atomic_state *state) +int intel_modeset_all_pipes(struct intel_atomic_state *state, + const char *reason) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); struct intel_crtc *crtc; @@ -5958,6 +5959,9 @@ int intel_modeset_all_pipes(struct intel_atomic_state *state) drm_atomic_crtc_needs_modeset(&crtc_state->uapi)) continue; + drm_dbg_kms(&dev_priv->drm, "[CRTC:%d:%s] Full modeset due to %s\n", + crtc->base.base.id, crtc->base.name, reason); + crtc_state->uapi.mode_changed = true; ret = drm_atomic_add_affected_connectors(&state->base, diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 884e8e67b17c..2af4a1925063 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -683,7 +683,8 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915); void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915); void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915); void intel_display_resume(struct drm_device *dev); -int intel_modeset_all_pipes(struct intel_atomic_state *state); +int intel_modeset_all_pipes(struct intel_atomic_state *state, + const char *reason); void intel_modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state, struct intel_power_domain_mask *old_domains); void intel_modeset_put_crtc_power_domains(struct intel_crtc *crtc, diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index 01b0932757ed..59e4fc6191f1 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -2486,7 +2486,7 @@ skl_compute_ddb(struct intel_atomic_state *state) if (old_dbuf_state->joined_mbus != new_dbuf_state->joined_mbus) { /* TODO: Implement vblank synchronized MBUS joining changes */ - ret = intel_modeset_all_pipes(state); + ret = intel_modeset_all_pipes(state, "MBUS joining change"); if (ret) return ret; } -- 2.35.1
