From: Wenjing Liu <Wenjing.Liu@xxxxxxx> [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@xxxxxxx> Reviewed-by: David Francis <David.Francis@xxxxxxx> Acked-by: Leo Li <sunpeng.li@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dc_ddc_types.h | 2 ++ drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h b/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h index 05c8c31..4ef97f6 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h @@ -68,6 +68,8 @@ enum aux_transaction_reply { AUX_TRANSACTION_REPLY_AUX_ACK = 0x00, AUX_TRANSACTION_REPLY_AUX_NACK = 0x01, AUX_TRANSACTION_REPLY_AUX_DEFER = 0x02, + AUX_TRANSACTION_REPLY_I2C_OVER_AUX_NACK = 0x04, + AUX_TRANSACTION_REPLY_I2C_OVER_AUX_DEFER = 0x08, AUX_TRANSACTION_REPLY_I2C_ACK = 0x00, AUX_TRANSACTION_REPLY_I2C_NACK = 0x10, 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 c9b881d..cdb3042 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; -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx