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drm/amd: Add power_saving_policy drm property to eDP connectors

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When the `power_saving_policy` property is set to bit mask
"Require color accuracy" ABM should be disabled immediately and
any requests by sysfs to update will return an -EBUSY error.

When the `power_saving_policy` property is set to bit mask
"Require low latency" PSR should be disabled.

When the property is restored to an empty bit mask ABM and PSR
can be enabled again.

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240703051722.328-3-mario.limonciello@amd.com
This commit is contained in:
Mario Limonciello
2024-07-03 00:17:22 -05:00
committed by Hamza Mahfooz
parent 76299a557f
commit 9d8c094dda
3 changed files with 53 additions and 5 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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@@ -873,6 +873,8 @@ struct dm_connector_state {
bool underscan_enable;
bool freesync_capable;
bool update_hdcp;
bool abm_forbidden;
bool psr_forbidden;
uint8_t abm_level;
int vcpi_slots;
uint64_t pbn;