diff options
| author | Tom Chung <chiahsuan.chung@amd.com> | 2025-01-10 16:09:45 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-02-12 21:02:59 -0500 |
| commit | c31b41f1cb32450d8ac176eef9bda979760040e7 (patch) | |
| tree | c1f1446800cf17ae338baf49d0aba69007066161 /drivers/gpu | |
| parent | 36681f15bb12b5c01df924379cdab9234259825c (diff) | |
drm/amd/display: Disable PSR-SU on some OLED panel
[Why]
PSR-SU may cause some glitching randomly on some OLED panel.
[How]
Disable the PSR-SU for certain PSR-SU OLED panel.
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 20 |
1 files changed, 20 insertions, 0 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..104f03868266 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 @@ -30,6 +30,23 @@ #include "amdgpu_dm.h" #include "modules/power/power_helpers.h" +static bool is_specific_oled_panel(struct dc_link *link) +{ + if (!link->dpcd_sink_ext_caps.bits.oled) + return false; + + /* Disable PSR-SU for some OLED panels to avoid glitches */ + if (link->dpcd_caps.sink_dev_id == 0xBA4159) { + uint8_t sink_dev_id_str1[] = {'4', '0', 'C', 'U', '1'}; + + if (!memcmp(link->dpcd_caps.sink_dev_id_str, sink_dev_id_str1, + sizeof(sink_dev_id_str1))) + return true; + } + + return false; +} + static bool link_supports_psrsu(struct dc_link *link) { struct dc *dc = link->ctx->dc; @@ -40,6 +57,9 @@ static bool link_supports_psrsu(struct dc_link *link) if (dc->ctx->dce_version < DCN_VERSION_3_1) return false; + if (is_specific_oled_panel(link)) + return false; + if (!is_psr_su_specific_panel(link)) return false; |