diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-10-15 16:39:09 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-02-11 22:36:00 +0200 |
| commit | 0c63fd3d962525d3eb1001ebc31537206f66720e (patch) | |
| tree | 3d5d0dbbb5ea0648f618a77139fd36f9bbd8b951 | |
| parent | 5d488786a3a18d48bcbd1d215ba9dc6811b7d639 (diff) | |
| download | linux-0c63fd3d962525d3eb1001ebc31537206f66720e.tar.bz2 | |
drm/i915/dp: Reuse intel_hdmi_tmds_clock()
Reuse intel_hdmi_tmds_clock() for DP->HDMI TMDS clock calculations.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015133921.4609-9-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 2 | ||||
| -rw-r--r-- | 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 194526bff3d3..e3f576a65485 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -886,9 +886,8 @@ 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) @@ -1139,21 +1138,12 @@ 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 59c66e0ba36d..347ff8a59ae3 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1869,7 +1869,7 @@ 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 b0804b862a89..93f65a917c36 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.h +++ b/drivers/gpu/drm/i915/display/intel_hdmi.h @@ -46,6 +46,7 @@ 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); |