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drm/i915: Call intel_pre_plane_updates() also for pipes getting enabled

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We used to call intel_pre_plane_updates() for any pipe going through
a modeset whether the pipe was previously enabled or not. This in
fact needed to apply all the necessary clock gating workarounds/etc.
Restore the correct behaviour.

Fixes: 3991999732 ("drm/i915: Disable all planes before modesetting any pipes")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231121054324.9988-3-ville.syrjala@linux.intel.com
(cherry picked from commit e0d5ce11ed)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2023-11-21 07:43:15 +02:00 committed by Jani Nikula
parent f76f83a83c
commit d21a3962d3
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/intel_display.c
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@ -6853,10 +6853,11 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
if (!intel_crtc_needs_modeset(new_crtc_state))
continue;
intel_pre_plane_update(state, crtc);
if (!old_crtc_state->hw.active)
continue;
intel_pre_plane_update(state, crtc);
intel_crtc_disable_planes(state, crtc);
}