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linux/drivers/gpu/drm/amd/include
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Aurabindo Pillai 80c6d6804f drm/amd/display: disable SubVP + DRR to prevent underflow 
[Why&How]
Temporarily disable SubVP+DRR since Xorg has an architectural limitation
where freesync will not work in a multi monitor configuration. SubVP+DRR
requires that freesync be working.

Whether OS has variable refresh setting enabled or not, the state on
the crtc remains same unless an application requests VRR. Due to this,
there is no way to know whether freesync will actually work or not
while we are on the desktop from the kernel's perspective.

If userspace does not have a limitation with multi-display freesync (for
example wayland), then this feature can be enabled by adding a
dcfeaturemask option to amdgpu on the kernel cmdline like:

amdgpu.dcfeaturemask=0x200

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-02-15 22:26:22 -05:00
..
asic_reg drm/amdgpu: correct query xgmi3x16 pcs error status 2023-01-17 16:11:52 -05:00
ivsrcid drm/amdgpu: Add gfx ras poison consumption irq handling on gfx v11_0_3 2023-01-17 16:11:51 -05:00
aldebaran_ip_offset.h drm/amd/include/aldebaran_ip_offset: Mark top-level IP_BASE as __maybe_unused 2021-05-21 10:32:16 -04:00
amd_acpi.h drm/amdgpu: support atcs method powershift (v4) 2021-06-01 22:36:48 -04:00
amd_pcie.h drm/amdgpu:Add pcie gen5 support in pcie capability. 2021-01-21 09:54:56 -05:00
amd_pcie_helpers.h gpu: drm: amd/radeon: Convert printk(KERN_<LEVEL> to pr_<level> 2017-03-29 23:53:24 -04:00
amd_shared.h drm/amd/display: disable SubVP + DRR to prevent underflow 2023-02-15 22:26:22 -05:00
arct_ip_offset.h drm/amd/include/arct_ip_offset: Mark top-level IP_BASE definition as __maybe_unused 2020-11-24 12:09:53 -05:00
atom-bits.h drm/amdgpu: move some atombios definitions to common folder (v2) 2015-08-17 16:50:19 -04:00
atom-names.h drm/amdgpu: move some atombios definitions to common folder (v2) 2015-08-17 16:50:19 -04:00
atom-types.h drm/amdgpu: move some atombios definitions to common folder (v2) 2015-08-17 16:50:19 -04:00
atombios.h drm/amdgpu: Replace remaining 1-element array with flex-array 2022-11-23 10:31:31 -05:00
atomfirmware.h drm/amdgpu: add vram reservation based on vram_usagebyfirmware_v2_2 2022-11-10 15:29:40 -05:00
atomfirmwareid.h drm/amdgpu: add the new atomfirmware interface header 2017-03-29 23:54:15 -04:00
beige_goby_ip_offset.h drm/amd/amdgpu: initialize IP offset for beige_goby 2021-05-19 22:40:09 -04:00
cgs_common.h drm/amdgpu: retire indirect mmio reg support from cgs 2020-04-09 10:43:18 -04:00
cik_structs.h drm/amdkfd: Shift sdma_engine_id and sdma_queue_id in mqd 2019-05-24 12:21:01 -05:00
cyan_skillfish_ip_offset.h drm/amd: Mark IP_BASE definition as __maybe_unused 2021-12-13 16:32:34 -05:00
dimgrey_cavefish_ip_offset.h drm/amd/include/dimgrey_cavefish_ip_offset: Mark top-level IP_BASE as __maybe_unused 2020-11-24 12:09:53 -05:00
discovery.h drm/amdgpu: update latest IP discovery table structures 2022-04-28 17:46:31 -04:00
displayobject.h drm/amdgpu: add the new atomfirmware interface header 2017-03-29 23:54:15 -04:00
dm_pp_interface.h drm/amd/pp: Remove the same struct define in powerplay 2018-07-05 16:40:02 -05:00
kgd_kfd_interface.h drm/amdkfd: Fix type of reset_type parameter in hqd_destroy() callback 2022-10-17 17:41:21 -04:00
kgd_pp_interface.h drm/amd/amdgpu: implement mode2 reset on smu_v13_0_10 2023-02-14 15:47:15 -05:00
mes_api_def.h drm/amd: Fix spelling typo in comments 2022-06-03 16:43:36 -04:00
mes_v11_api_def.h drm/amd/amdgpu: update mes11 api def 2022-12-01 11:49:32 -05:00
navi10_enum.h drm/amdgpu: Update NV SIMD-per-CU to 2 2021-07-01 00:05:18 -04:00
navi10_ip_offset.h drm/amd/include/navi10_ip_offset: Mark top-level IP_BASE as __maybe_unused 2020-11-24 12:09:53 -05:00
navi12_ip_offset.h drm/amd/include/navi12_ip_offset: Mark top-level IP_BASE as __maybe_unused 2020-11-24 12:09:53 -05:00
navi14_ip_offset.h drm/amd/include/navi14_ip_offset: Mark top-level IP_BASE as __maybe_unused 2020-11-24 12:09:53 -05:00
pptable.h drm/amdgpu: add raven related define in pptable.h. 2017-05-24 17:41:50 -04:00
renoir_ip_offset.h drm/amd/include/renoir_ip_offset: Mark top-level IP_BASE as __maybe_unused 2021-01-14 13:20:20 -05:00
sienna_cichlid_ip_offset.h drm/amd/include/sienna_cichlid_ip_offset: Mark top-level IP_BASE as __maybe_unused 2020-11-24 12:09:53 -05:00
soc15_hw_ip.h drm/amdgpu: add lsdma block 2022-05-10 17:53:11 -04:00
soc15_ih_clientid.h drm/amdgpu: add soc21 ih clientid definition 2022-05-04 09:52:59 -04:00
soc21_enum.h drm/amdgpu: add soc21 chip enum header v8 2022-05-04 10:02:18 -04:00
v9_structs.h drm/amdkfd: Extend CU mask to 8 SEs (v3) 2019-08-02 10:19:11 -05:00
v10_structs.h drm/amdgpu: add v10 structs header (v2) 2019-06-20 21:16:37 -05:00
v11_structs.h drm/amdgpu: add gfx11 mqd structures 2022-05-04 10:02:27 -04:00
vangogh_ip_offset.h drm/amd/include/vangogh_ip_offset: Mark top-level IP_BASE as __maybe_unused 2020-11-24 12:09:53 -05:00
vega10_enum.h drm/amdgpu: Support new arcturus mtype 2019-09-13 17:35:48 -05:00
vega10_ip_offset.h drm/amd/include/vega10_ip_offset: Mark _BASE structs as __maybe_unused 2020-11-13 17:29:46 -05:00
vega20_ip_offset.h drm/amd/include/vega20_ip_offset: Mark top-level IP_BASE definition as __maybe_unused 2020-11-24 12:09:53 -05:00
vi_structs.h drm/amdkfd: Check HIQ's MQD for queue preemption status 2021-03-23 22:59:25 -04:00
yellow_carp_offset.h drm/amdgpu: add missing license to some files 2022-11-23 10:31:31 -05:00