diff options
| author | jimqu <Jim.Qu@amd.com> | 2016-08-30 08:59:42 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-07 08:32:42 +0200 |
| commit | 2d4ab6c1368a8bdf2d4c8a2980f028f6f0fb142e (patch) | |
| tree | 582d6a0ef11ba0c645ccf007dcdd69046bbb3a97 | |
| parent | 2b2627113eee3050a0744a98940b987ad1341c0b (diff) | |
drm/amd/amdgpu: sdma resume fail during S4 on CI
commit 10ea9434065e56fe14287f89258ecf2fb684ed1a upstream.
SDMA could be fail in the thaw() and restore() processes, do software reset
if each SDMA engine is busy.
Signed-off-by: JimQu <Jim.Qu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index 5f712ceddf08..c568293cb6c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -52,6 +52,7 @@ static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev); static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev); static void cik_sdma_set_buffer_funcs(struct amdgpu_device *adev); static void cik_sdma_set_vm_pte_funcs(struct amdgpu_device *adev); +static int cik_sdma_soft_reset(void *handle); MODULE_FIRMWARE("radeon/bonaire_sdma.bin"); MODULE_FIRMWARE("radeon/bonaire_sdma1.bin"); @@ -1030,6 +1031,8 @@ static int cik_sdma_resume(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + cik_sdma_soft_reset(handle); + return cik_sdma_hw_init(adev); } |