diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2024-09-27 18:06:00 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-10-07 14:32:08 -0400 |
| commit | c6a837088bedef74e38f47eb65247dea1d835634 (patch) | |
| tree | 0c8ccb7b95b4e4086bb4407f4bd03ac0afa8b6fd /drivers/gpu/drm/amd/include/amd_shared.h | |
| parent | 0159f88a99c9f5722dbe52ac42faf3446f371dea (diff) | |
drm/amd/display: Fetch the EDID from _DDC if available for eDP
Some manufacturers have intentionally put an EDID that differs from
the EDID on the internal panel on laptops.
Attempt to fetch this EDID if it exists and prefer it over the EDID
that is provided by the panel. If a user prefers to use the EDID from
the panel, offer a DC debugging parameter that would disable this.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include/amd_shared.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index f98b3a544477..7eefcb0f5070 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -339,6 +339,11 @@ enum DC_DEBUG_MASK { * @DC_FORCE_IPS_ENABLE: If set, force enable all IPS, all the time. */ DC_FORCE_IPS_ENABLE = 0x4000, + /** + * @DC_DISABLE_ACPI_EDID: If set, don't attempt to fetch EDID for + * eDP display from ACPI _DDC method. + */ + DC_DISABLE_ACPI_EDID = 0x8000, }; enum amd_dpm_forced_level; |