From: Ville Syrjälä <[email protected]> Reuse intel_hdmi_tmds_clock() for DP->HDMI TMDS clock calculations.
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 20 +++++--------------- drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +- drivers/gpu/drm/i915/display/intel_hdmi.h | 1 + 3 files changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 5cc99ffc1841..45e4bf54e1de 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -814,9 +814,8 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, return MODE_CLOCK_HIGH; /* Assume 8bpc for the DP++/HDMI/DVI TMDS clock check */ - tmds_clock = target_clock; - if (drm_mode_is_420_only(info, mode)) - tmds_clock /= 2; + tmds_clock = intel_hdmi_tmds_clock(target_clock, 8, + drm_mode_is_420_only(info, mode)); if (intel_dp->dfp.min_tmds_clock && tmds_clock < intel_dp->dfp.min_tmds_clock) @@ -1070,21 +1069,12 @@ static bool intel_dp_hdmi_ycbcr420(struct intel_dp *intel_dp, intel_dp->dfp.ycbcr_444_to_420); } -static int intel_dp_hdmi_tmds_clock(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state, int bpc) -{ - int clock = crtc_state->hw.adjusted_mode.crtc_clock * bpc / 8; - - if (intel_dp_hdmi_ycbcr420(intel_dp, crtc_state)) - clock /= 2; - - return clock; -} - static bool intel_dp_hdmi_tmds_clock_valid(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, int bpc) { - int tmds_clock = intel_dp_hdmi_tmds_clock(intel_dp, crtc_state, bpc); + int clock = crtc_state->hw.adjusted_mode.crtc_clock; + int tmds_clock = intel_hdmi_tmds_clock(clock, bpc, + intel_dp_hdmi_ycbcr420(intel_dp, crtc_state)); if (intel_dp->dfp.min_tmds_clock && tmds_clock < intel_dp->dfp.min_tmds_clock) diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index c6586d10a9d0..f1d42279a2df 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1868,7 +1868,7 @@ hdmi_port_clock_valid(struct intel_hdmi *hdmi, return MODE_OK; } -static int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output) +int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output) { /* YCBCR420 TMDS rate requirement is half the pixel clock */ if (ycbcr420_output) diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.h b/drivers/gpu/drm/i915/display/intel_hdmi.h index ee144db67e66..d892cbff0da0 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.h +++ b/drivers/gpu/drm/i915/display/intel_hdmi.h @@ -47,6 +47,7 @@ bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, int bpc, bool has_hdmi_sink, bool ycbcr420_output); +int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output); int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width, int num_slices, int output_format, bool hdmi_all_bpp, int hdmi_max_chunk_bytes); -- 2.32.0
