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drm/i915: Skip dsc readout if the transcoder is disabled

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Trying to do readout when we don't even have a cpu transcoder
is not a great idea. Don't do it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124192638.26262-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-01-24 21:26:34 +02:00
parent 6a4d8cc6bb
commit 9f807822ab
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/display/intel_display.c
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@ -4379,13 +4379,13 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
active = true;
}
if (!active)
goto out;
intel_dsc_get_config(pipe_config);
if (DISPLAY_VER(dev_priv) >= 13 && !pipe_config->dsc.compression_enable)
intel_uncompressed_joiner_get_config(pipe_config);
if (!active)
goto out;
if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
DISPLAY_VER(dev_priv) >= 11)
intel_get_transcoder_timings(crtc, pipe_config);