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drm/i915: Make intel_get_crtc_new_encoder() less oopsy

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[ Upstream commit 631420b065 ]

The point of the WARN was to print something, not oops
straight up. Currently that is precisely what happens
if we can't find the connector for the crtc in the atomic
state. Get the dev pointer from the atomic state instead
of the potentially NULL encoder to avoid that.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413200602.6037-2-ville.syrjala@linux.intel.com
Fixes: 3a47ae201e ("drm/i915/display: Make WARN* drm specific where encoder ptr is available")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 3b6692357f)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ville Syrjälä
2023-04-13 23:06:02 +03:00
committed by Greg Kroah-Hartman
parent 9edf5518db
commit 780f303233
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/i915/display/intel_display.c
+1 -1
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@@ -5844,7 +5844,7 @@ intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
num_encoders++;
}
drm_WARN(encoder->base.dev, num_encoders != 1,
drm_WARN(state->base.dev, num_encoders != 1,
"%d encoders for pipe %c\n",
num_encoders, pipe_name(crtc->pipe));