drm/amd/display: Allow RX6xxx & RX7700 to invoke amdgpu_irq_get/put
authorIvan Lipski <ivan.lipski@amd.com>
Tue, 2 Sep 2025 20:20:09 +0000 (16:20 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 15 Sep 2025 21:24:42 +0000 (17:24 -0400)
commit29a2f430475357f760679b249f33e7282688e292
treed7b50423c075318ebf19e14b60fc6c3debe818e8
parentc1b6b8c7706354b73196649c46b5e6d4d61c2f5c
drm/amd/display: Allow RX6xxx & RX7700 to invoke amdgpu_irq_get/put

[Why&How]
As reported on https://gitlab.freedesktop.org/drm/amd/-/issues/3936,
SMU hang can occur if the interrupts are not enabled appropriately,
causing a vblank timeout.

This patch reverts commit 5009628d8509 ("drm/amd/display: Remove unnecessary
amdgpu_irq_get/put"), but only for RX6xxx & RX7700 GPUs, on which the
issue was observed.

This will re-enable interrupts regardless of whether the user space needed
it or not.

Fixes: 5009628d8509 ("drm/amd/display: Remove unnecessary amdgpu_irq_get/put")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3936
Suggested-by: Sun peng Li <sunpeng.li@amd.com>
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 95d168b367aa28a59f94fc690ff76ebf69312c6d)
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c