This is a note to let you know that I've just added the patch titled drm/amdgpu: fix init save/restore list in gfx_v8.0 to the 4.9-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-fix-init-save-restore-list-in-gfx_v8.0.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 202e0b227b906cb80a2791f21216a55d9468d61b Mon Sep 17 00:00:00 2001 From: Rex Zhu <Rex.Zhu@xxxxxxx> Date: Wed, 7 Dec 2016 17:44:20 +0800 Subject: drm/amdgpu: fix init save/restore list in gfx_v8.0 From: Rex Zhu <Rex.Zhu@xxxxxxx> commit 202e0b227b906cb80a2791f21216a55d9468d61b upstream. set valid data to mmRLC_SRM_INDEX_CNTL_ADDRx/DATAx. Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3947,8 +3947,12 @@ static int gfx_v8_0_init_save_restore_li temp = mmRLC_SRM_INDEX_CNTL_ADDR_0; data = mmRLC_SRM_INDEX_CNTL_DATA_0; for (i = 0; i < sizeof(unique_indices) / sizeof(int); i++) { - amdgpu_mm_wreg(adev, temp + i, unique_indices[i] & 0x3FFFF, false); - amdgpu_mm_wreg(adev, data + i, unique_indices[i] >> 20, false); + if (unique_indices[i] != 0) { + amdgpu_mm_wreg(adev, temp + i, + unique_indices[i] & 0x3FFFF, false); + amdgpu_mm_wreg(adev, data + i, + unique_indices[i] >> 20, false); + } } kfree(register_list_format); Patches currently in stable-queue which might be from Rex.Zhu@xxxxxxx are queue-4.9/drm-amdgpu-fix-enable_cp_power_gating-in-gfx_v8.0.patch queue-4.9/drm-amdgpu-fix-init-save-restore-list-in-gfx_v8.0.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html