> -----Original Message-----
> From: Intel-gfx <intel-gfx-boun...@lists.freedesktop.org> On Behalf Of Ville
> Syrjala
> Sent: Friday, March 29, 2024 6:43 AM
> To: intel-gfx@lists.freedesktop.org
> Subject: [PATCH 12/22] drm/i915: Pass connector to intel_dp_need_bigjoiner()
>
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> Pass the connector explicitly to intel_dp_need_bigjoiner() so that it'll
> actually
> check the correct place for the bigjoiner force flag.
Looks Good to me.
Reviewed-by: Uma Shankar <uma.shan...@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_dp.c | 10 ++++++----
> drivers/gpu/drm/i915/display/intel_dp.h | 1 +
> drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 +++--
> 3 files changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index 6fa8fc56a39c..cbabd1924474 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1194,10 +1194,10 @@ intel_dp_mode_valid_downstream(struct
> intel_connector *connector, }
>
> bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
> + struct intel_connector *connector,
> int hdisplay, int clock)
> {
> struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> - struct intel_connector *connector = intel_dp->attached_connector;
>
> if (!intel_dp_has_bigjoiner(intel_dp))
> return false;
> @@ -1241,7 +1241,8 @@ intel_dp_mode_valid(struct drm_connector
> *_connector,
> target_clock = fixed_mode->clock;
> }
>
> - if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) {
> + if (intel_dp_need_bigjoiner(intel_dp, connector,
> + mode->hdisplay, target_clock)) {
> bigjoiner = true;
> max_dotclk *= 2;
> }
> @@ -2409,7 +2410,7 @@ intel_dp_compute_link_config(struct intel_encoder
> *encoder, {
> struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
> - const struct intel_connector *connector =
> + struct intel_connector *connector =
> to_intel_connector(conn_state->connector);
> const struct drm_display_mode *adjusted_mode =
> &pipe_config->hw.adjusted_mode;
> @@ -2422,7 +2423,8 @@ intel_dp_compute_link_config(struct intel_encoder
> *encoder,
> !intel_dp_supports_fec(intel_dp, connector, pipe_config))
> return -EINVAL;
>
> - if (intel_dp_need_bigjoiner(intel_dp, adjusted_mode->crtc_hdisplay,
> + if (intel_dp_need_bigjoiner(intel_dp, connector,
> + adjusted_mode->crtc_hdisplay,
> adjusted_mode->crtc_clock))
> pipe_config->bigjoiner_pipes = GENMASK(crtc->pipe + 1, crtc-
> >pipe);
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.h
> b/drivers/gpu/drm/i915/display/intel_dp.h
> index d5697b99ac21..cd6969d05fe3 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.h
> +++ b/drivers/gpu/drm/i915/display/intel_dp.h
> @@ -150,6 +150,7 @@ u8 intel_dp_dsc_get_slice_count(const struct
> intel_connector *connector,
> int mode_clock, int mode_hdisplay,
> bool bigjoiner);
> bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
> + struct intel_connector *connector,
> int hdisplay, int clock);
>
> static inline unsigned int intel_dp_unused_lane_mask(int lane_count) diff
> --git
> a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index 1cf6241a7d53..a3b0026adb2d 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -527,7 +527,7 @@ static int intel_dp_mst_compute_config(struct
> intel_encoder *encoder,
> struct intel_atomic_state *state = to_intel_atomic_state(conn_state-
> >state);
> struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
> struct intel_dp *intel_dp = &intel_mst->primary->dp;
> - const struct intel_connector *connector =
> + struct intel_connector *connector =
> to_intel_connector(conn_state->connector);
> const struct drm_display_mode *adjusted_mode =
> &pipe_config->hw.adjusted_mode;
> @@ -1342,7 +1342,8 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector
> *connector,
> *status = MODE_CLOCK_HIGH;
> return 0;
> }
> - if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) {
> + if (intel_dp_need_bigjoiner(intel_dp, intel_connector,
> + mode->hdisplay, target_clock)) {
> bigjoiner = true;
> max_dotclk *= 2;
>
> --
> 2.43.2
