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From:   Caio Novais <caionovais@usp.br>
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Subject: [PATCH 12/12] drm/amd/display: Remove two unused variables 'result_write_min_hblank' and 'hblank_size'
Date:   Mon, 27 Mar 2023 20:33:53 -0300
Message-Id: <20230327233353.64081-13-caionovais@usp.br>
In-Reply-To: <20230327233353.64081-1-caionovais@usp.br>
References: <20230327233353.64081-1-caionovais@usp.br>
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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@usp.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