diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-05-10 13:42:42 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-08-31 19:09:55 +0300 |
| commit | 06bfa86eee805e49875a64a23f083aeeb5e39daa (patch) | |
| tree | b6d388a1e4708f0994f211a6211d4bc335f69f06 /drivers/gpu/drm/i915/display/intel_bios.c | |
| parent | 03e067bc731c7cf8fba403ecfe4e2a85b49a11c0 (diff) | |
drm/i915/bios: Dump PNPID and panel name
Dump the panel PNPID and name from the VBT.
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/20220510104242.6099-16-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 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index a18eedca9ab3..5765643298e1 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -604,6 +604,19 @@ get_lfp_data_tail(const struct bdb_lvds_lfp_data *data, return NULL; } +static void dump_pnp_id(struct drm_i915_private *i915, + const struct lvds_pnp_id *pnp_id, + const char *name) +{ + u16 mfg_name = be16_to_cpu((__force __be16)pnp_id->mfg_name); + char vend[4]; + + drm_dbg_kms(&i915->drm, "%s PNPID mfg: %s (0x%x), prod: %u, serial: %u, week: %d, year: %d\n", + name, drm_edid_decode_mfg_id(mfg_name, vend), + pnp_id->mfg_name, pnp_id->product_code, pnp_id->serial, + pnp_id->mfg_week, pnp_id->mfg_year + 1990); +} + static int opregion_get_panel_type(struct drm_i915_private *i915, const struct intel_bios_encoder_data *devdata, const struct edid *edid) @@ -655,6 +668,8 @@ static int pnpid_get_panel_type(struct drm_i915_private *i915, edid_id_nodate.mfg_week = 0; edid_id_nodate.mfg_year = 0; + dump_pnp_id(i915, edid_id, "EDID"); + ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); if (!ptrs) return -1; @@ -861,6 +876,7 @@ 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; + const struct lvds_pnp_id *pnp_id; int panel_type = panel->vbt.panel_type; ptrs = find_section(i915, BDB_LVDS_LFP_DATA_PTRS); @@ -874,10 +890,17 @@ parse_lfp_data(struct drm_i915_private *i915, if (!panel->vbt.lfp_lvds_vbt_mode) parse_lfp_panel_dtd(i915, panel, data, ptrs); + pnp_id = get_lvds_pnp_id(data, ptrs, panel_type); + dump_pnp_id(i915, pnp_id, "Panel"); + tail = get_lfp_data_tail(data, ptrs); if (!tail) return; + drm_dbg_kms(&i915->drm, "Panel name: %.*s\n", + (int)sizeof(tail->panel_name[0].name), + tail->panel_name[panel_type].name); + if (i915->display.vbt.version >= 188) { panel->vbt.seamless_drrs_min_refresh_rate = tail->seamless_drrs_min_refresh_rate[panel_type]; |