diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-10-02 13:01:36 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-01-08 18:42:22 -0500 |
| commit | 1a0041b8f99656a4600b587a491a1caa0e979e18 (patch) | |
| tree | 9769fdbb34acc9c32c554702b833258d02b52645 /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | 363eb0b4b787ea6ebb7a58d15df032126c111770 (diff) | |
| download | lwn-1a0041b8f99656a4600b587a491a1caa0e979e18.tar.gz lwn-1a0041b8f99656a4600b587a491a1caa0e979e18.zip | |
drm/radeon: add pci config hard reset
This is used to hard reset the asic. If a soft
reset is not able to reset things, a hard reset
can be used.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 4d20e78b9b70..b012cbbc3ed5 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -144,6 +144,11 @@ void radeon_program_register_sequence(struct radeon_device *rdev, } } +void radeon_pci_config_reset(struct radeon_device *rdev) +{ + pci_write_config_dword(rdev->pdev, 0x7c, RADEON_ASIC_RESET_DATA); +} + /** * radeon_surface_init - Clear GPU surface registers. * |