diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2021-08-23 19:18:11 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-08-24 11:02:42 +0300 |
| commit | e752d1f9c14a61b0996bdbcaf024ef587c6af9d8 (patch) | |
| tree | 240396c032b9a7117b8f00f957220595383c3903 | |
| parent | 1db18260f15315e206469391d5b5e3427be55ad3 (diff) | |
drm/i915/dg2: add DG2 UHBR source rates
DG2 supports DP 2.0 UHBR and 128b/132b channel encoding.
Bspec: 53657, 54034
Acked-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8f82b7eb76f20f1c4ddd2cc7d1bb31e2173c55a6.1629735412.git.jani.nikula@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 3a701728e47e..1a0eb4c4d666 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -242,6 +242,11 @@ bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp) encoder->port != PORT_A); } +static int dg2_max_source_rate(struct intel_dp *intel_dp) +{ + return intel_dp_is_edp(intel_dp) ? 810000 : 1350000; +} + static int icl_max_source_rate(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); @@ -268,7 +273,8 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) { /* The values must be in increasing order */ static const int icl_rates[] = { - 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000 + 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000, + 1000000, 1350000, }; static const int bxt_rates[] = { 162000, 216000, 243000, 270000, 324000, 432000, 540000 @@ -295,6 +301,8 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) if (DISPLAY_VER(dev_priv) >= 11) { source_rates = icl_rates; size = ARRAY_SIZE(icl_rates); + if (IS_DG2(dev_priv)) + max_rate = dg2_max_source_rate(intel_dp); if (IS_JSL_EHL(dev_priv)) max_rate = ehl_max_source_rate(intel_dp); else |