This is a note to let you know that I've just added the patch titled
drm/amdgpu/gfx11: enter safe mode before touching CP_INT_CNTL
to the 6.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-gfx11-enter-safe-mode-before-touching-cp_.patch
and it can be found in the queue-6.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3330d78e083ba52ca911d386ebefccad40e4d330
Author: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Fri Jul 12 15:36:19 2024 -0400
drm/amdgpu/gfx11: enter safe mode before touching CP_INT_CNTL
[ Upstream commit b5be054c585110b2c5c1b180136800e8c41c7bb4 ]
Need to enter safe mode before touching GC MMIO.
Acked-by: Vitaly Prosyak <vitaly.prosyak@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 61e62d846900c..228124b389541 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4707,6 +4707,8 @@ static int gfx_v11_0_soft_reset(void *handle)
int r, i, j, k;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ gfx_v11_0_set_safe_mode(adev, 0);
+
tmp = RREG32_SOC15(GC, 0, regCP_INT_CNTL);
tmp = REG_SET_FIELD(tmp, CP_INT_CNTL, CMP_BUSY_INT_ENABLE, 0);
tmp = REG_SET_FIELD(tmp, CP_INT_CNTL, CNTX_BUSY_INT_ENABLE, 0);
@@ -4714,8 +4716,6 @@ static int gfx_v11_0_soft_reset(void *handle)
tmp = REG_SET_FIELD(tmp, CP_INT_CNTL, GFX_IDLE_INT_ENABLE, 0);
WREG32_SOC15(GC, 0, regCP_INT_CNTL, tmp);
- gfx_v11_0_set_safe_mode(adev, 0);
-
mutex_lock(&adev->srbm_mutex);
for (i = 0; i < adev->gfx.mec.num_mec; ++i) {
for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) {
