On 2024-02-16 10:33, Mario Limonciello wrote:
> This vendor specific property has never been used by userspace
> software and conflicts with the panel_power_savings sysfs file.
> That is a compositor and user could fight over the same data.
>
> Fixes: f97e4303da16 ("drm/amd/display: add panel_power_savings sysfs entry to
> eDP connectors")
> Suggested-by: Harry Wentland <harry.wentl...@amd.com>
> Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
> --
> Cc: Hamza Mahfooz <hamza.mahf...@amd.com>
> Cc: Sun peng (Leo) Li <sunpeng...@amd.com>
Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Harry
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 --------
> drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 2 --
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 14 --------------
> 3 files changed, 24 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index b8fbe97efe1d..3ecc7ef95172 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -1350,14 +1350,6 @@ int amdgpu_display_modeset_create_props(struct
> amdgpu_device *adev)
> "dither",
> amdgpu_dither_enum_list, sz);
>
> - if (adev->dc_enabled) {
> - adev->mode_info.abm_level_property =
> - drm_property_create_range(adev_to_drm(adev), 0,
> - "abm level", 0, 4);
> - if (!adev->mode_info.abm_level_property)
> - return -ENOMEM;
> - }
> -
> return 0;
> }
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> index 2e4911050cc5..1fe21a70ddd0 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> @@ -324,8 +324,6 @@ struct amdgpu_mode_info {
> struct drm_property *audio_property;
> /* FMT dithering */
> struct drm_property *dither_property;
> - /* Adaptive Backlight Modulation (power feature) */
> - struct drm_property *abm_level_property;
> /* hardcoded DFP edid from BIOS */
> struct edid *bios_hardcoded_edid;
> int bios_hardcoded_edid_size;
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index b9ac3d2f8029..e3b32ffba85a 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -6388,9 +6388,6 @@ int amdgpu_dm_connector_atomic_set_property(struct
> drm_connector *connector,
> } else if (property == adev->mode_info.underscan_property) {
> dm_new_state->underscan_enable = val;
> ret = 0;
> - } else if (property == adev->mode_info.abm_level_property) {
> - dm_new_state->abm_level = val ?: ABM_LEVEL_IMMEDIATE_DISABLE;
> - ret = 0;
> }
>
> return ret;
> @@ -6433,10 +6430,6 @@ int amdgpu_dm_connector_atomic_get_property(struct
> drm_connector *connector,
> } else if (property == adev->mode_info.underscan_property) {
> *val = dm_state->underscan_enable;
> ret = 0;
> - } else if (property == adev->mode_info.abm_level_property) {
> - *val = (dm_state->abm_level != ABM_LEVEL_IMMEDIATE_DISABLE) ?
> - dm_state->abm_level : 0;
> - ret = 0;
> }
>
> return ret;
> @@ -7652,13 +7645,6 @@ void amdgpu_dm_connector_init_helper(struct
> amdgpu_display_manager *dm,
> aconnector->base.state->max_bpc = 16;
> aconnector->base.state->max_requested_bpc =
> aconnector->base.state->max_bpc;
>
> - if (connector_type == DRM_MODE_CONNECTOR_eDP &&
> - (dc_is_dmcu_initialized(adev->dm.dc) ||
> - adev->dm.dc->ctx->dmub_srv) && amdgpu_dm_abm_level < 0) {
> - drm_object_attach_property(&aconnector->base.base,
> - adev->mode_info.abm_level_property, 0);
> - }
> -
> if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
> /* Content Type is currently only implemented for HDMI. */
> drm_connector_attach_content_type_property(&aconnector->base);
