From: Madhav Chauhan <[email protected]> This patch disables DDI function by writing to TRANS_DDI_FUNC_CTL registers of DSI ports as part of DSI disable sequence.
Signed-off-by: Madhav Chauhan <[email protected]> Reviewed-by: Jani Nikula <[email protected]> Signed-off-by: Jani Nikula <[email protected]> --- drivers/gpu/drm/i915/icl_dsi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 83c422d5976c..0041f57d3c0b 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -833,6 +833,14 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder) 10)) DRM_ERROR("DSI link not in ULPS\n"); } + + /* disable ddi function */ + for_each_dsi_port(port, intel_dsi->ports) { + dsi_trans = dsi_port_to_transcoder(port); + tmp = I915_READ(TRANS_DDI_FUNC_CTL(dsi_trans)); + tmp &= ~TRANS_DDI_FUNC_ENABLE; + I915_WRITE(TRANS_DDI_FUNC_CTL(dsi_trans), tmp); + } } static void __attribute__((unused)) gen11_dsi_disable( -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
