From e12d6218fda20d03960f3f2cca44741ba8d5e9a8 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Fri, 22 Oct 2021 13:33:03 +0300 Subject: drm/i915: Reduce bigjoiner special casing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Try to make bigjoiner pipes less special. The main things here are that each pipe now does full clock computation/readout with its own shared_dpll reference. Also every pipe's cpu_transcoder always points correctly at the master transcoder. Due to the above changes state readout is now complete and all the related hacks can go away. The actual modeset sequence code is still a mess, but I think in order to clean that up properly we're probably going to have to redesign the modeset logic to treat transcoders vs. pipes separately. That is going to require significant amounts of work. Reviewed-by: Manasi Navare Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20211022103304.24164-9-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/display/intel_ddi.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c') diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 8b4ef9ef77fb..9fb99b09fff8 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3515,18 +3515,7 @@ static void intel_ddi_get_config(struct intel_encoder *encoder, if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder))) return; - if (pipe_config->bigjoiner_slave) { - /* read out pipe settings from master */ - enum transcoder save = pipe_config->cpu_transcoder; - - /* Our own transcoder needs to be disabled when reading it in intel_ddi_read_func_ctl() */ - WARN_ON(pipe_config->output_types); - pipe_config->cpu_transcoder = (enum transcoder)pipe_config->bigjoiner_linked_crtc->pipe; - intel_ddi_read_func_ctl(encoder, pipe_config); - pipe_config->cpu_transcoder = save; - } else { - intel_ddi_read_func_ctl(encoder, pipe_config); - } + intel_ddi_read_func_ctl(encoder, pipe_config); intel_ddi_mso_get_config(encoder, pipe_config); @@ -3554,8 +3543,7 @@ static void intel_ddi_get_config(struct intel_encoder *encoder, dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp; } - if (!pipe_config->bigjoiner_slave) - ddi_dotclock_get(pipe_config); + ddi_dotclock_get(pipe_config); if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) pipe_config->lane_lat_optim_mask = -- cgit