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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-11-01 16:25:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-01-08 18:42:23 -0500 |
| commit | b5470b036e14d063655cc01d22ea5d727042860a (patch) | |
| tree | 8420fd1eb90c039550fd922ea86a75f043b834bd /drivers/gpu/drm/radeon/ni.c | |
| parent | de9ae7447aaa2fed8ae4aa9e6b7260915e5b4f7b (diff) | |
| download | linux-b5470b036e14d063655cc01d22ea5d727042860a.tar.gz | |
drm/radeon: implement pci config reset for evergreen/cayman (v2)
pci config reset is a low level reset that resets the entire chip from the bus interface. It can be more reliable if soft reset fails. v2: put behind module parameter 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, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 05a900945613..9f11a55962b5 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -174,6 +174,7 @@ extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev); extern void evergreen_program_aspm(struct radeon_device *rdev); extern void sumo_rlc_fini(struct radeon_device *rdev); extern int sumo_rlc_init(struct radeon_device *rdev); +extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev); /* Firmware Names */ MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); @@ -1878,8 +1879,10 @@ int cayman_asic_reset(struct radeon_device *rdev) reset_mask = cayman_gpu_check_soft_reset(rdev); - if (!reset_mask) - r600_set_bios_scratch_engine_hung(rdev, false); + if (reset_mask) + evergreen_gpu_pci_config_reset(rdev); + + r600_set_bios_scratch_engine_hung(rdev, false); return 0; } |