diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index b132841587cc..5a50645c3a37 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -872,6 +872,11 @@ static void intel_dsi_pre_disable(struct intel_encoder *encoder, I915_WRITE(MIPI_DEVICE_READY(port), 0); } + /* + * According to the spec we should send SHUTDOWN before + * MIPI_SEQ_DISPLAY_OFF only for v3+ VBTs, but field testing + * has shown that the v3 sequence works for v2 VBTs too + */ if (is_vid_mode(intel_dsi)) { /* Send Shutdown command to the panel in LP mode */ for_each_dsi_port(port, intel_dsi->ports) |