From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nathan Chancellor Subject: [PATCH v2] drm/amd/display: Use proper enums in process_channel_reply Date: Thu, 27 Sep 2018 11:06:33 -0700 Message-ID: <20180927180632.11520-1-natechancellor@gmail.com> References: <20180921215505.14634-1-natechancellor@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20180921215505.14634-1-natechancellor@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Harry Wentland , Leo Li , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "David (ChunMing) Zhou" Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Nick Desaulniers , Nathan Chancellor List-Id: amd-gfx.lists.freedesktop.org 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 Suggested-by: Nick Desaulniers Signed-off-by: Nathan Chancellor --- 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. 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; return; } 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; return; } -- 2.19.0