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drm/i915: Add some debug prints for intel_modeset_all_pipes()

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Print out on which pipes, and for what reason, we are forcing a
full modeset.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220928060813.23264-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-09-28 09:08:13 +03:00
parent 296cd8ecfd
commit 0c31611437
4 changed files with 9 additions and 4 deletions
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2
drivers/gpu/drm/i915/display/intel_cdclk.c
View File

@ -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;

6
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -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,

3
drivers/gpu/drm/i915/display/intel_display.h
View File

@ -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,

2
drivers/gpu/drm/i915/display/skl_watermark.c
View File

@ -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;
}