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| author | Tom Chung <chiahsuan.chung@amd.com> | 2025-02-06 11:31:23 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-07 18:27:07 +0100 |
| commit | b149953957d08a255343f91ce01c06a00c82a5c5 (patch) | |
| tree | 4ea7aedcd96628d9bb35befc161a68c624197742 /drivers/gpu/drm/amd | |
| parent | 5bd98c2df4a0f2e2dcbdf563feb8d348406377b5 (diff) | |
| download | linux-b149953957d08a255343f91ce01c06a00c82a5c5.tar.gz linux-b149953957d08a255343f91ce01c06a00c82a5c5.tar.bz2 linux-b149953957d08a255343f91ce01c06a00c82a5c5.zip | |
drm/amd/display: Disable PSR-SU on eDP panels
commit e8863f8b0316d8ee1e7e5291e8f2f72c91ac967d upstream.
[Why]
PSR-SU may cause some glitching randomly on several panels.
[How]
Temporarily disable the PSR-SU and fallback to PSR1 for
all eDP panels.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3388
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6deeefb820d0efb0b36753622fb982d03b37b3ad)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c index 45858bf1523d..e140b7a04d72 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -54,7 +54,8 @@ static bool link_supports_psrsu(struct dc_link *link) if (amdgpu_dc_debug_mask & DC_DISABLE_PSR_SU) return false; - return dc_dmub_check_min_version(dc->ctx->dmub_srv->dmub); + /* Temporarily disable PSR-SU to avoid glitches */ + return false; } /* |