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 <caionov...@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

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