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Message-Id: <20230327233353.64081-13-caionovais@usp.br>
Date: Mon, 27 Mar 2023 20:33:53 -0300
From: Caio Novais <caionovais@....br>
To: amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Cc: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>,
Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
Jack Xiao <Jack.Xiao@....com>,
Hawking Zhang <Hawking.Zhang@....com>, Le Ma <le.ma@....com>,
Mario Limonciello <mario.limonciello@....com>,
Yifan Zhang <yifan1.zhang@....com>,
Mukul Joshi <mukul.joshi@....com>, Jun Lei <Jun.Lei@....com>,
Wenjing Liu <wenjing.liu@....com>,
Alan Liu <HaoPing.Liu@....com>,
Caio Novais <caionovais@....br>,
Joshua Ashton <joshua@...ggi.es>,
Guo Zhengkui <guozhengkui@...o.com>,
Nicholas Kazlauskas <Nicholas.Kazlauskas@....com>,
Zhan Liu <zhan.liu@....com>, Wayne Lin <wayne.lin@....com>,
Charlene Liu <Charlene.Liu@....com>,
Martin Leung <Martin.Leung@....com>,
Tom Chung <chiahsuan.chung@....com>,
Alvin Lee <alvin.lee2@....com>,
George Shen <George.Shen@....com>,
Qingqing Zhuo <qingqing.zhuo@....com>,
Roman Li <Roman.Li@....com>,
Wesley Chalmers <Wesley.Chalmers@....com>,
Aurabindo Pillai <aurabindo.pillai@....com>,
Jingwen Zhu <Jingwen.Zhu@....com>,
Melissa Wen <mwen@...lia.com>,
Felipe Clark <felipe.clark@....com>,
Sung Joon Kim <sungjoon.kim@....com>,
Dillon Varone <Dillon.Varone@....com>,
Ethan Wellenreiter <Ethan.Wellenreiter@....com>,
Taimur Hassan <Syed.Hassan@....com>,
Maíra Canal <mairacanal@...eup.net>,
Brian Chang <Brian.Chang@....com>,
Gabe Teeger <gabe.teeger@....com>,
André Almeida <andrealmeid@...lia.com>,
Chaitanya Dhere <chaitanya.dhere@....com>,
Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
Ryan Lin <tsung-hua.lin@....com>,
Hamza Mahfooz <hamza.mahfooz@....com>
Subject: [PATCH 12/12] drm/amd/display: Remove two unused variables 'result_write_min_hblank' and 'hblank_size'
Compiling AMD GPU drivers displays a warning:
drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_capability.c: In function ‘dpcd_set_source_specific_data’:
drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_capability.c:1290:32: warning: variable ‘result_write_min_hblank’ set but not used [-Wunused-but-set-variable]
Get rid of it by removing the variable 'result_write_min_hblank' and 'hblank_size'.
Signed-off-by: Caio Novais <caionovais@....br>
---
.../drm/amd/display/dc/link/protocols/link_dp_capability.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index d4370856f164..7392fcf17653 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -1287,7 +1287,6 @@ void dc_link_overwrite_extended_receiver_cap(
void dpcd_set_source_specific_data(struct dc_link *link)
{
if (!link->dc->vendor_signature.is_valid) {
- enum dc_status result_write_min_hblank = DC_NOT_SUPPORTED;
struct dpcd_amd_signature amd_signature = {0};
struct dpcd_amd_device_id amd_device_id = {0};
@@ -1324,16 +1323,10 @@ void dpcd_set_source_specific_data(struct dc_link *link)
if (link->ctx->dce_version >= DCN_VERSION_2_0 &&
link->dc->caps.min_horizontal_blanking_period != 0) {
- uint8_t hblank_size = (uint8_t)link->dc->caps.min_horizontal_blanking_period;
-
- result_write_min_hblank = core_link_write_dpcd(link,
- DP_SOURCE_MINIMUM_HBLANK_SUPPORTED, (uint8_t *)(&hblank_size),
- sizeof(hblank_size));
}
DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_INFORMATION,
WPP_BIT_FLAG_DC_DETECTION_DP_CAPS,
"result=%u link_index=%u enum dce_version=%d DPCD=0x%04X min_hblank=%u branch_dev_id=0x%x branch_dev_name='%c%c%c%c%c%c'",
- result_write_min_hblank,
link->link_index,
link->ctx->dce_version,
DP_SOURCE_MINIMUM_HBLANK_SUPPORTED,
--
2.40.0
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