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| author | Jérome Glisse <jglisse@redhat.com> | 2016-03-18 18:58:38 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-02 20:08:54 +0300 |
| commit | 71fe289970430fca85c7c8da5a829e65764e081b (patch) | |
| tree | f9f3c90169a6342484ad21015ab33cee7ec4c642 /drivers/gpu/drm/radeon/ni.c | |
| parent | fabb5935871db1f31fcd2684fd154e24de04d917 (diff) | |
| download | linux-71fe289970430fca85c7c8da5a829e65764e081b.tar.xz | |
drm/radeon: allow to force hard GPU reset.
In some cases, like when freezing for hibernation, we need to be
able to force hard reset even if no engine are stuck. This patch
add a bool option to current asic reset callback to allow to force
hard reset on asic that supports it.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index ec0aac8d455f..4a3d7cab83f7 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1959,10 +1959,15 @@ static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) evergreen_print_gpu_status_regs(rdev); } -int cayman_asic_reset(struct radeon_device *rdev) +int cayman_asic_reset(struct radeon_device *rdev, bool hard) { u32 reset_mask; + if (hard) { + evergreen_gpu_pci_config_reset(rdev); + return 0; + } + reset_mask = cayman_gpu_check_soft_reset(rdev); if (reset_mask) |