summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
diff options
context:
space:
mode:
authorTim Huang <tim.huang@amd.com>2023-01-20 17:27:32 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-01-24 20:27:37 +0300
commite11c775030c5585370fda43035204bb5fa23b139 (patch)
tree06eb3613a2a044fb62b59257caef64b990d4fa15 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
parent7eaef1163b820caf202bbb0b1e823806ab836a38 (diff)
downloadlinux-e11c775030c5585370fda43035204bb5fa23b139.tar.xz
drm/amdgpu: skip psp suspend for IMU enabled ASICs mode2 reset
The psp suspend & resume should be skipped to avoid destroy the TMR and reload FWs again for IMU enabled APU ASICs. Signed-off-by: Tim Huang <tim.huang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index cbecc255a90a..036657162cf4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3037,6 +3037,18 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA))
continue;
+ /* Once swPSP provides the IMU, RLC FW binaries to TOS during cold-boot.
+ * These are in TMR, hence are expected to be reused by PSP-TOS to reload
+ * from this location and RLC Autoload automatically also gets loaded
+ * from here based on PMFW -> PSP message during re-init sequence.
+ * Therefore, the psp suspend & resume should be skipped to avoid destroy
+ * the TMR and reload FWs again for IMU enabled APU ASICs.
+ */
+ if (amdgpu_in_reset(adev) &&
+ (adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs &&
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)
+ continue;
+
/* XXX handle errors */
r = adev->ip_blocks[i].version->funcs->suspend(adev);
/* XXX handle errors */