diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-05-04 18:04:39 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-05-05 18:27:47 +0300 |
| commit | 790b45f1bc6736a8dd48ba5731b6871e0217311e (patch) | |
| tree | 061e5089c876a5d601532d09b73ee3dd5c56d085 /drivers/gpu/drm/i915/display/intel_bios.c | |
| parent | cc589f2deeb4160fb21cd74c25d6779082d9d561 (diff) | |
drm/i915/bios: Parse the seamless DRRS min refresh rate
Extract the seamless DRRS min refresh rate from the VBT.
v2: Do a version check
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220504150440.13748-9-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 92de16fade2e..f7f49a03a2e4 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -761,6 +761,7 @@ parse_lfp_data(struct drm_i915_private *i915) const struct bdb_lvds_lfp_data *data; const struct bdb_lvds_lfp_data_tail *tail; const struct bdb_lvds_lfp_data_ptrs *ptrs; + int panel_type = i915->vbt.panel_type; ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); if (!ptrs) @@ -777,7 +778,13 @@ parse_lfp_data(struct drm_i915_private *i915) if (!tail) return; - (void)tail; + if (i915->vbt.version >= 188) { + i915->vbt.seamless_drrs_min_refresh_rate = + tail->seamless_drrs_min_refresh_rate[panel_type]; + drm_dbg_kms(&i915->drm, + "Seamless DRRS min refresh rate: %d Hz\n", + i915->vbt.seamless_drrs_min_refresh_rate); + } } static void |