[Intel-gfx] [PATCH 1/5] drm/i915: Skip dsc readout if the transcoder is disabled

[Ville Syrjala]

From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Tryingf 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.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 80bc52425e47..e32a7a1e7ba0 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4380,13 +4380,13 @@ 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);
-- 
2.34.1