linux-next: build failure after merge of the etnaviv tree

* linux-next: build failure after merge of the etnaviv tree
@ 2021-12-13 15:38 broonie
  0 siblings, 0 replies; 4+ messages in thread
From: broonie @ 2021-12-13 15:38 UTC (permalink / raw)
  To: Fangzhi Zuo, Aurabindo Pillai, Alex Deucher
  Cc: Linux Kernel Mailing List, Linux Next Mailing List

Hi all,

After merging the amdgpu tree, today's linux-next build (x86
allmodconfig) failed like this:

/tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c: In function 'dp_force_sst_set':
/tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:3248:20: error: 'struct dc_debug_options' has no member named 'set_mst_en_for_sst'
 3248 |  adev->dm.dc->debug.set_mst_en_for_sst = val;
      |                    ^
/tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c: In function 'dp_force_sst_get':
/tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:3257:27: error: 'struct dc_debug_options' has no member named 'set_mst_en_for_sst'
 3257 |  *val = adev->dm.dc->debug.set_mst_en_for_sst;
      |                           ^

Caused by commit

  99e574ca64d3b6 ("drm/amd/display: Add Debugfs Entry to Force in SST Sequence")

interacting with some of the other DRM trees.  Sadly this wasn't a new
version of the tree so it didn't flag up for several merges I've just
patched this out for now:

commit 0456e621ece3c28802799f3ed1f71a63af81960c
Author: Mark Brown <broonie@kernel.org>
Date:   Mon Dec 13 15:26:46 2021 +0000

    amdgpu: Patch out set_mst_en_for_sst
    
    This breaks the build in -next due to issues with another tree:
    
    /tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c: In function 'dp_force_sst_set':
    /tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:3248:20: error: 'struct dc_debug_options' has no member named 'set_mst_en_for_sst'
     3248 |  adev->dm.dc->debug.set_mst_en_for_sst = val;
          |                    ^
    /tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c: In function 'dp_force_sst_get':
    /tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:3257:27: error: 'struct dc_debug_options' has no member named 'set_mst_en_for_sst'
     3257 |  *val = adev->dm.dc->debug.set_mst_en_for_sst;
          |
    
    Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 68c379ed12383..df3c615ed7943 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -3237,30 +3237,6 @@ static int disable_hpd_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(disable_hpd_ops, disable_hpd_get,
 			 disable_hpd_set, "%llu\n");
 
-/*
- * Force sst sequence in mst capable receiver.
- * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_dp_set_mst_en_for_sst
- */
-static int dp_force_sst_set(void *data, u64 val)
-{
-	struct amdgpu_device *adev = data;
-
-	adev->dm.dc->debug.set_mst_en_for_sst = val;
-
-	return 0;
-}
-
-static int dp_force_sst_get(void *data, u64 *val)
-{
-	struct amdgpu_device *adev = data;
-
-	*val = adev->dm.dc->debug.set_mst_en_for_sst;
-
-	return 0;
-}
-DEFINE_DEBUGFS_ATTRIBUTE(dp_set_mst_en_for_sst_ops, dp_force_sst_get,
-			 dp_force_sst_set, "%llu\n");
-
 /*
  * Sets the DC visual confirm debug option from the given string.
  * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_visual_confirm
@@ -3346,8 +3346,6 @@ void dtn_debugfs_init(struct amdgpu_device *adev)
 			    adev, &mst_topo_fops);
 	debugfs_create_file("amdgpu_dm_dtn_log", 0644, root, adev,
 			    &dtn_log_fops);
-	debugfs_create_file("amdgpu_dm_dp_set_mst_en_for_sst", 0644, root, adev,
-				&dp_set_mst_en_for_sst_ops);
 
 	debugfs_create_file_unsafe("amdgpu_dm_visual_confirm", 0644, root, adev,
 				   &visual_confirm_fops);

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