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| author | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2025-09-25 10:23:59 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:37:49 -0500 |
| commit | bc215236e37bd9cb8e47cb4d719c5d2cc906bfc1 (patch) | |
| tree | f42906c3005660837d18264722f3508d48288581 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | b47260ed4debb1450105b7bc5a63896607e910d6 (diff) | |
| download | linux-bc215236e37bd9cb8e47cb4d719c5d2cc906bfc1.tar.gz linux-bc215236e37bd9cb8e47cb4d719c5d2cc906bfc1.tar.bz2 linux-bc215236e37bd9cb8e47cb4d719c5d2cc906bfc1.zip | |
drm/amd/display: use GFP_NOWAIT for allocation in interrupt handler
commit 72a1eb3cf573ab957ae412f0efb0cf6ff0876234 upstream.
schedule_dc_vmin_vmax() is called by dm_crtc_high_irq(). Hence, we
cannot have the former sleep. Use GFP_NOWAIT for allocation in this
function.
Fixes: c210b757b400 ("drm/amd/display: fix dmub access race condition")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Sun peng (Leo) Li <sunpeng.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c04812cbe2f247a1c1e53a9b6c5e659963fe4065)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 757c8a174cc6..b997718f624f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -561,13 +561,13 @@ static void schedule_dc_vmin_vmax(struct amdgpu_device *adev, struct dc_stream_state *stream, struct dc_crtc_timing_adjust *adjust) { - struct vupdate_offload_work *offload_work = kzalloc(sizeof(*offload_work), GFP_KERNEL); + struct vupdate_offload_work *offload_work = kzalloc(sizeof(*offload_work), GFP_NOWAIT); if (!offload_work) { drm_dbg_driver(adev_to_drm(adev), "Failed to allocate vupdate_offload_work\n"); return; } - struct dc_crtc_timing_adjust *adjust_copy = kzalloc(sizeof(*adjust_copy), GFP_KERNEL); + struct dc_crtc_timing_adjust *adjust_copy = kzalloc(sizeof(*adjust_copy), GFP_NOWAIT); if (!adjust_copy) { drm_dbg_driver(adev_to_drm(adev), "Failed to allocate adjust_copy\n"); kfree(offload_work); |