diff options
| author |   Wenjing Liu <Wenjing.Liu@amd.com> | 2019-02-23 16:07:45 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:36:49 -0500 |
| commit | 0dcdcc898234f87c996adb5de1496e3ec7da315b (patch) | |
| tree | 2cca2d5f2feac449cd0fc67f9fa452b820929175 /drivers/gpu/drm/amd/display/dc/dce | |
| parent | drm/amd/display: fix up reference clock abstractions (diff) | |
| download | linux-dev-0dcdcc898234f87c996adb5de1496e3ec7da315b.tar.xz linux-dev-0dcdcc898234f87c996adb5de1496e3ec7da315b.zip | |
drm/amd/display: add i2c over aux failure handling
[why]
We will not retry when EDID read failure using i2c over aux
[how]
treat i2c over aux failure the same as defer
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: David Francis <David.Francis@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index c9b881ddd6b6..cdb3042e1ae1 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -528,6 +528,8 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, break; case AUX_TRANSACTION_REPLY_AUX_DEFER: + case AUX_TRANSACTION_REPLY_I2C_OVER_AUX_NACK: + case AUX_TRANSACTION_REPLY_I2C_OVER_AUX_DEFER: if (++aux_defer_retries >= AUX_MAX_DEFER_RETRIES) goto fail; break; |