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path: root/drivers/gpu/drm/amd/display/dmub
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2024-09-18drm/amd/display: Restructure dpia link trainingPeichen Huang3-1/+26
[WHY] We intend to consolidate dp tunneling and conventional dp link training. [HOW] 1. Use the same link training entry for both dp and dpia 2. Move SET_CONFIG of non-transparent mode to dmub side 3. Add set_tps_notification dmub_cmd to notify tps request for non-transparent dpia link training 4. Check dpcd request result and abort link training early if dpia aux tunneling fails 5. Add option to avoid affect old product 6. Separately handle wait_time_microsec for dpia Reviewed-by: Cruise Hung <[email protected]> Reviewed-by: George Shen <[email protected]> Reviewed-by: Meenakshikumar Somasundaram <[email protected]> Signed-off-by: Peichen Huang <[email protected]> Signed-off-by: Alex Hung <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-09-02drm/amd/display: 3.2.299Aric Cyr1-1/+1
This version brings along the following: - DCN35 fixes - DML2 fixes - IPS fixes - ODM fixes - Miscellaneous cleanups - MST fixes - SPL fixes Acked-by: Aurabindo Pillai <[email protected]> Signed-off-by: Aric Cyr <[email protected]> Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-08-27drm/amd/display: Notify DMCUB of D0/D3 stateNicholas Kazlauskas1-1/+37
[Why] We want to avoid arming the HPD timer in firmware when preparing for S0i3 entry when DC is considered in D3. [How] Notify DMCUB of the power state transitions so it can decide to arm the HPD timer for idle in DCN35 only in D0. Reviewed-by: Nicholas Kazlauskas <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Signed-off-by: Ovidiu Bunea <[email protected]> Signed-off-by: Zaeem Mohamed <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-08-06drm/amd/display: Remove unused fields from dmub_cmd_update_dirty_rect_dataRodrigo Siqueira1-8/+0
Drop coasting_vtotal_high and pad from dmub_cmd_update_dirty_rect_data, since it is not used. Acked-by: Tom Chung <[email protected]> Signed-off-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Wayne Lin <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-07-27drm/amd/display: Add logs for debugging outboxCruise5-0/+19
The DP tunnel AUX reply is received through Outbox1. Print the Outbox1 status if an issue occurs. Signed-off-by: Cruise <[email protected]> Reviewed-by: Nicholas Kazlauskas <[email protected]> Reviewed-by: Wayne Lin <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-07-23drm/amd/display: Add visual confirm for Idle StateDuncan Ma1-0/+4
[Why] Visual Confirm would tell us if it ever entered idle state. [How] Add debug option for IPS visual confirm Reviewed-by: Ovidiu Bunea <[email protected]> Signed-off-by: Jerry Zuo <[email protected]> Signed-off-by: Duncan Ma <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-07-01drm/amd/display: Add debug option for disabling SLDO optimizationsNicholas Kazlauskas3-1/+4
[Why] DM can hook this up to disable SLDO optimizations in firmware during DMCUB initialization for debug purposes. [How] Add the option and pass it through dmub_srv. Reviewed-by: Hansen Dsouza <[email protected]> Signed-off-by: Jerry Zuo <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-07-01drm/amd/display: Add replay state entry to replay_stateAnthony Koo1-0/+2
- Add new Replay states 2A (initial Replay entry) and 4E (frame update) to check is there is new frame update before sending Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Jerry Zuo <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-19drm/amd/display: [FW Promotion] Release 0.0.222.0Anthony Koo1-2/+7
- Add new condition for PSR exit due to ESD recovery - Add new VB scaling feature for ABM by interpolating between existing VB parameters, allowing driver to have fine grain scaled VB levels between 0 - 250 Acked-by: Hamza Mahfooz <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: [FW Promotion] Release 0.0.221.0Anthony Koo1-1/+60
- Create a general command and fix Replay desync error with general cmd Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Fix missed targets in FAMS2+HWFQDillon Varone1-1/+1
[WHY&HOW] Add additional delay factor when considering a safe time to flip for HWFQ to be passed in by the driver. Reviewed-by: Alvin Lee <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Dillon Varone <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Remove register from DCN35 DMCUB diagnostic collectionNicholas Kazlauskas1-4/+1
[Why] These registers should not be read from driver and triggering the security violation when DMCUB work times out and diagnostics are collected blocks Z8 entry. [How] Remove the register read from DCN35. Reviewed-by: Duncan Ma <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: define abm debug interfaceJosip Pavic1-0/+60
[Why & How] Define debug interface to dmub for reading back abm data. Reviewed-by: Anthony Koo <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Josip Pavic <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: [FW Promotion] Release 0.0.220.0Anthony Koo1-12/+14
- Change ordering of structs to put enums together - Add new define DMUB_TRACE_ENTRY_DEFINED to guard the trace code enum Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Replay low hzChunTao Tso1-0/+8
[Why] The original coasting vtotal is 2 bytes, and it need to be amended to 4 bytes because low hz case. [How] Amend coasting vtotal from 2 bytes to 4 bytes. Reviewed-by: Rodrigo Siqueira <[email protected]> Signed-off-by: ChunTao Tso <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Add monitor patch skip disable crtc during psr and ips1Lewis Huang1-1/+2
[Why] For some panel, it cannot handle pseudo vblank set by otg resync when leave psr [How] The monitor patch will keep otg_on during enter IPS1. And then we don't need to do otg resync when wake up. Reviewed-by: Duncan Ma <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Lewis Huang <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Add recovery timeout to FAMS2Dillon Varone1-0/+1
[WHY&HOW] Add 5ms timeout to trigger recovery and force allow P-State in DMUB. Reviewed-by: Alvin Lee <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Dillon Varone <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Extend PSRSU residency modeJack Chang1-0/+12
1. To support multiple PSRSU residency measurement mode Reviewed-by: Wenjing Liu <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Jack Chang <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-14drm/amd/display: Add outbox notification support for HPD redetectNicholas Kazlauskas3-0/+32
[Why] HPD sense changes can occur during low power states and need to be notified from firmware to driver. Upon notification the hotplug redetection routines should execute. [How] Add Support in DMUB srv and DMUB srv stat for receiving these notifications. DM can hook them up and process the HPD redetection once received. Reviewed-by: Duncan Ma <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-06-05drm/amd/display: Add params of set_abm_event for VB ScalingChun-LiangChang1-0/+55
[Why] Add parameters for set_abm_event to enable varibright scaling. VariBright Scaling is a feature to refer to system states like 1. Power mode 2. Battery Life percent 3. FullScreen video 4. Backlight slider to adjust variBright strength to get low power or user experience. [How] Add parameters of set_abm_event for VB Scaling Reviewed-by: Jun Lei <[email protected]> Acked-by: Zaeem Mohamed <[email protected]> Signed-off-by: Chun-LiangChang <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-29drm/amd/display: Add new GPINT command definitionsAurabindo Pillai1-0/+31
New commands for enabling copy of DC bounding box values from VBIOS DMUB Signed-off-by: Aurabindo Pillai <[email protected]> Acked-by: Harry Wentland <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-13drm/amd/display: Read default boot optionsDuncan Ma1-1/+4
[WHY] DPIA boot option is set by VBIOS. It gets overwritten when driver loads DMU. [HOW] Read PreOS boot options and determine if dpia is enabled. Reviewed-by: Ovidiu Bunea <[email protected]> Acked-by: Alex Hung <[email protected]> Signed-off-by: Duncan Ma <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-05-08drm/amd/display: [FW Promotion] Release 0.0.216.0Anthony Koo1-0/+139
- Implement command interface to query ABM SW algorithm and HW caps. This is primarily intended as a debugging interface - Add new definitions for max number of histogram bins and ABM curve segments available in hardware - Add structures to retrieve caps to describe ABM HW caps since not all ASICs have the same number of cure segments and bins Acked-by: Tom Chung <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-30drm/amd/display: Notify idle link detection through shared stateNicholas Kazlauskas3-1/+17
[Why] We can hang in IPS2 checking DMCUB_SCRATCH0 for link detection state. [How] Replace the HW access with a check on the shared state bit. This will work the same way as the SCRATCH0 but won't require a wake in the case where link detection isn't required. Reviewed-by: Duncan Ma <[email protected]> Acked-by: Wayne Lin <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-30drm/amd/display: [FW Promotion] Release 0.0.214.0Anthony Koo1-1/+1
- Adjust the dmub_fw_boot_options reserved bits to be correct Acked-by: Aurabindo Pillai <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-26drm/amd/display: Add DCN401 dependant changes for DMCUBAurabindo Pillai5-25/+349
Update for DCN 4.0.1. Signed-off-by: Aurabindo Pillai <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-26drm/amd/display: Add new DCN401 sourcesAurabindo Pillai2-0/+890
Add initial support for DCN 4.0.1. Signed-off-by: Aurabindo Pillai <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-16drm/amd/display: Expand dmub_cmd operationsAnthony Koo1-1/+52
Update dmub_cmd to manipulate SDP control in replay FSM, add command for panel_cntl, expand link rate enum, and increase the reserve byte. Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-16drm/amd/display: Pass sequential ONO bit to DMCUB boot optionsNicholas Kazlauskas2-0/+2
[Why] IPS ono sequence ordering differs based on the ASIC. [How] Detect the ASIC ID revision and set the boot option accordingly. Feed it through the DCN35 DMUB functions. Reviewed-by: Sung joon Kim <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-09drm/amd/display: [FW Promotion] Release 0.0.212.0Anthony Koo1-0/+1
- Add boot option to change the ONO powerup flow, impacting the order of power domains to power up or down first Acked-by: Hamza Mahfooz <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-09drm/amd/display: Add extra DMUB logging to track message timeoutAlvin Lee5-1/+21
[Description] - Add logging for first DMUB inbox message that timed out to diagnostic data - It is useful to track the first failed message for debug purposes because once DMUB becomes hung (typically on a message), it will remain hung and all subsequent messages. In these cases we're interested in knowing which is the first message that failed. Reviewed-by: Josip Pavic <[email protected]> Acked-by: Roman Li <[email protected]> Signed-off-by: Alvin Lee <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-04-09drm/amd/display: Add dmub additional interface support for FAMSDillon Varone1-1/+5
[WHY&HOW] Update dmub and driver interface for future FAMS revisions. Reviewed-by: Anthony Koo <[email protected]> Acked-by: Roman Li <[email protected]> Signed-off-by: Dillon Varone <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-27drm/amd/display: [FW Promotion] Release 0.0.210.0Anthony Koo1-1/+38
- Add Display PHY FSM command interface for automated testing Acked-by: Tom Chung <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-27drm/amd/display: Add new IPS config modeNicholas Kazlauskas1-0/+1
[Why] We don't have a way to specify IPS2 for display off but RCG only for static screen and local video playback. [How] Add a new setting that allows RCG only when displays are active but IPS2 when all displays are off. Reviewed-by: Ovidiu Bunea <[email protected]> Acked-by: Tom Chung <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-22drm/amd/display: Enable new interface design for alternate scramblingSung Joon Kim1-0/+68
[why & how] To enable a new interface so alternate scrambling can be done via security module. Reviewed-by: Wenjing Liu <[email protected]> Acked-by: Wayne Lin <[email protected]> Signed-off-by: Sung Joon Kim <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-22drm/amd/display: Add optional optimization for IPS handshakeNicholas Kazlauskas1-1/+2
[Why] It's possible to skip parts of the eval and exit sequencing if we know whether DCN is in IPS2 already or if it's committed to going to idle and not in IPS2. [How] Skip IPS2 entry/exit if DMCUB is idle but the IPS2 commit is not set. Skip the eval delay if DMCUB is already in IPS2 since we know we need to exit. These are turned off by default. Reviewed-by: Duncan Ma <[email protected]> Acked-by: Wayne Lin <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-20drm/amd/display: [FW Promotion] Release 0.0.208.0Anthony Koo1-0/+2
- Add a Replay residency mode which only calcuates the entry time based on replay state 0/1 switch. Acked-by: Wayne Lin <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-20drm/amd/display: Update DMUB flags and definitionsAnthony Koo1-3/+37
[WHAT] - Update replay residency tracing design to support more types including tracking PHY and ALPM residency types - Add commands for Replay frame update count profiling - Enhance HWFQ with additional flags to allow for more optimized IPS low power state residencies - Add new flag to indicate if a new frame update needed for ABM to ramp up into steady state Acked-by: Alex Hung <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-20drm/amd/display: Add entry and exit countersAnthony Koo1-1/+7
[WHY & HOW] Add new counters in the shared IPS firmware state. Acked-by: Alex Hung <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-20drm/amd/display: Amend coasting vtotal for replay low hzChunTao Tso1-0/+8
[WHY] The original coasting vtotal is 2 bytes, and it need to be amended to 4 bytes because low hz case. [HOW] Amend coasting vtotal from 2 bytes to 4 bytes. Cc: Mario Limonciello <[email protected]> Cc: Alex Deucher <[email protected]> Cc: [email protected] Reviewed-by: Alvin Lee <[email protected]> Acked-by: Alex Hung <[email protected]> Signed-off-by: ChunTao Tso <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-04drm/amd/display: add DMUB source files and changes for DCN351Hamza Mahfooz4-0/+52
DMUB support is required to light-up displays. Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-03-04drm/amd/display: add DCN351 version identifiersHamza Mahfooz1-0/+1
Add DCN3.5.1 ASIC identifiers. Signed-off-by: Hamza Mahfooz <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-22drm/amd/display: Fix S4 hang polling on HW power up done for VBIOS DMCUBNicholas Kazlauskas2-9/+8
[Why] VBIOS DMCUB firmware doesn't set the dal_fw bit and we end up hanging waiting for HW power up done because of it. [How] Simplify the path and allow mailbox_rdy to be a functional check when we detect VBIOS firmware. Reviewed-by: Charlene Liu <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-14drm/amd/display: Add shared firmware state for DMUB IPS handshakeNicholas Kazlauskas13-13/+165
[Why] Read modify write hazards can occur when using a single shared scratch register between driver and firmware leading to driver accessing DCN in IPS2 and a system hang. [How] Add infrastructure for using REGION6 as a shared firmware state between driver and firmware. This region is uncachable. Replace the existing get/set idle calls with reads/writes to the (volatile) shared firmware state blocks that a separated by at least a cache line between firmware and driver. Remove the workarounds that required rewriting/checking read modify write hazards. Reviewed-by: Charlene Liu <[email protected]> Acked-by: Aurabindo Pillai <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-02-07drm/amd/display: Drop legacy codeRodrigo Siqueira3-14/+0
Display code keeps getting improvements, and because of that, some legacy code is left behind. This commit drops some of those unused codes. Acked-by: Hamza Mahfooz <[email protected]> Signed-off-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-29drm/amd/display: [FW Promotion] Release 0.0.202.0Anthony Koo1-1/+7
- Add control flag for IPS residency profiling Reviewed-by: Tom Chung <[email protected]> Acked-by: Tom Chung <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-29drm/amd/display: refine code for dmcub inbox1 ring buffer debugFudongwang2-9/+5
[Why] 1. To watch dmcub inbox1 ring buffer cmd type without tools 2. dmub_cmd_PLAT_54186_wa 66 bytes [How] Added dmcub cmd type enum: unsigned char for debug use only, also fixed 66 bytes issue by using unsigned int in bit define instead of unsigned char. Reviewed-by: Nicholas Kazlauskas <[email protected]> Acked-by: Tom Chung <[email protected]> Signed-off-by: Fudongwang <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-29drm/amd/display: Wait for mailbox ready when powering up DMCUBNicholas Kazlauskas1-2/+11
[Why] Otherwise we can send commands too early and they don't execute until the next command is sent. [How] Check the extra status bit when polling for HW powered up. Reviewed-by: Charlene Liu <[email protected]> Acked-by: Tom Chung <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-22drm/amd/display: [FW Promotion] Release 0.0.201.0Anthony Koo1-9/+4
- Add debug flag for Replay IPS visual confirm - Remove unused debug flags that should not be controlled inside Replay FSM Acked-by: Roman Li <[email protected]> Signed-off-by: Anthony Koo <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2024-01-22drm/amd/display: Replay + IPS + ABM in Full Screen VPBChunTao Tso1-0/+46
[Why] Because ABM will wait VStart to start getting histogram data, it will cause we can't enter IPS while full screnn video playing. [How] Modify the panel refresh rate to the maximun multiple of current refresh rate. Reviewed-by: Dennis Chan <[email protected]> Acked-by: Roman Li <[email protected]> Signed-off-by: ChunTao Tso <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
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