drm/amdgpu/hdp5.2: do a posting read when flushing HDP
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 22 Nov 2024 16:24:13 +0000 (11:24 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 2 Dec 2024 22:38:41 +0000 (17:38 -0500)
commitf756dbac1ce1d5f9a2b35e3b55fa429cf6336437
tree9066fc7070d61eb230b701bddd7d6236c0f89321
parentcf424020e040be35df05b682b546b255e74a420f
drm/amdgpu/hdp5.2: do a posting read when flushing HDP

Need to read back to make sure the write goes through.

Cc: David Belanger <david.belanger@amd.com>
Reviewed-by: Frank Min <frank.min@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/hdp_v5_2.c