The LPT PCH only supports 8bpc, so we need to force the pipe bpp to the right value. Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_crt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 58b4a53..1b9ebf4 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -207,6 +207,10 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder, if (HAS_PCH_SPLIT(dev)) pipe_config->has_pch_encoder = true; + /* LPT FDI RX only supports 8bpc. */ + if (HAS_PCH_LPT(dev)) + pipe_config->pipe_bpp = 24; + return true; } -- 1.7.11.7
