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| author | Robin Chen <po-tchen@amd.com> | 2022-09-08 21:42:10 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-19 15:16:26 -0400 |
| commit | 8bc14183988849e99046595785ceadbe0b88f7a7 (patch) | |
| tree | cb8094eedee53b576a3f5e4e9929ba08a9ec2a2f /drivers/gpu/drm/amd/display/dc | |
| parent | 9680810f91f2591b16b76f73d1e0d49af874be0a (diff) | |
| download | linux-stable-8bc14183988849e99046595785ceadbe0b88f7a7.tar.gz linux-stable-8bc14183988849e99046595785ceadbe0b88f7a7.tar.bz2 linux-stable-8bc14183988849e99046595785ceadbe0b88f7a7.zip | |
drm/amd/display: Revise Sink device string ID
[Why]
The Sink device string ID1/ID2 use 5 bytes instead of 6 bytes,
so the driver should compare the first 5 bytes only.
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Robin Chen <po-tchen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c index 0df06740ec39..bec5e9f787fc 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -393,17 +393,18 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, if (copy_settings_data->dsc_enable_status && link->dpcd_caps.sink_dev_id == DP_DEVICE_ID_38EC11 && !memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1, - sizeof(link->dpcd_caps.sink_dev_id_str))) + sizeof(DP_SINK_DEVICE_STR_ID_1))) link->psr_settings.force_ffu_mode = 1; else link->psr_settings.force_ffu_mode = 0; copy_settings_data->force_ffu_mode = link->psr_settings.force_ffu_mode; if (link->fec_state == dc_link_fec_enabled && + link->dpcd_caps.sink_dev_id == DP_DEVICE_ID_38EC11 && (!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1, - sizeof(link->dpcd_caps.sink_dev_id_str)) || + sizeof(DP_SINK_DEVICE_STR_ID_1)) || !memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_2, - sizeof(link->dpcd_caps.sink_dev_id_str)))) + sizeof(DP_SINK_DEVICE_STR_ID_2)))) copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 1; else copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 0; |