On Thu, Sep 27, 2018 at 11:06:33AM -0700, Nathan Chancellor wrote:
Clang warns when one enumerated type is implicitly converted to another.
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c:315:19: warning: implicit conversion from enumeration type 'enum aux_channel_operation_result' to different enumeration type 'enum aux_transaction_reply' [-Wenum-conversion] reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON; ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/i2caux/dce110/aux_engine_dce110.c:349:19: warning: implicit conversion from enumeration type 'enum aux_channel_operation_result' to different enumeration type 'enum aux_transaction_reply' [-Wenum-conversion] reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON; ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The current enum is incorrect, it should be from aux_transaction_reply, so use AUX_TRANSACTION_REPLY_HPD_DISCON.
Reported-by: Nick Desaulniers ndesaulniers@google.com Suggested-by: Nick Desaulniers ndesaulniers@google.com Signed-off-by: Nathan Chancellor natechancellor@gmail.com
v1 -> v2:
- Rather than change status to an integer, use the proper enumerated type from aux_transaction reply as suggested by Nick and confirmed by Henry.
Sigh Harry, sorry...
drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 2 +- .../gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c | 2 +- 2 files changed, 2 insertions(+), 2 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 3f5b2e6f7553..aaeb7faac0c4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -312,7 +312,7 @@ static void process_channel_reply(
/* in case HPD is LOW, exit AUX transaction */ if ((sw_status & AUX_SW_STATUS__AUX_SW_HPD_DISCON_MASK)) {
reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON;
reply->status = AUX_TRANSACTION_REPLY_HPD_DISCON;diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c index 8eee8ace1259..59c3ed43d609 100644 --- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c +++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c @@ -346,7 +346,7 @@ static void process_channel_reply(
/* in case HPD is LOW, exit AUX transaction */ if ((sw_status & AUX_SW_STATUS__AUX_SW_HPD_DISCON_MASK)) {
reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON;
reply->status = AUX_TRANSACTION_REPLY_HPD_DISCON;-- 2.19.0