bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-26 10:32:25 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: use GFP_NOWAIT for allocation in interrupt handler

Browse Source 
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: c210b757b4 ("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 c04812cbe2)
Cc: stable@vger.kernel.org
This commit is contained in:
Aurabindo Pillai
2025-09-25 10:23:59 -04:00
committed by Alex Deucher
parent bec947cbe9
commit 72a1eb3cf5
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@@ -551,13 +551,13 @@ 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);