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(parent: 8c8df54) | patch
drm/amd/display: Don't try to enable/disable HPD when unavailable
authorTimur Kristóf <timur.kristof@gmail.com>
Fri, 26 Sep 2025 18:01:48 +0000 (20:01 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Oct 2025 14:08:51 +0000 (10:08 -0400)
commite3ea56e995a425a44870dfa357b8608101a67034
treee2b13a1f913d02e39ade22253f4ce93c2585f9b0tree | snapshot
parent8c8df54a2b4b6b3a229fa40ab7a1b0ce3edb5896commit | diff
drm/amd/display: Don't try to enable/disable HPD when unavailable

VGA connectors don't have HPD (hotplug detection), so don't
touch any HPD related registers for VGA.

Determine whether hotplug detection is available by checking that
the interrupt source is invalid.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c diff | blob | blame | history
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