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| author | David S. Miller <davem@davemloft.net> | 2018-06-26 08:07:17 +0900 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-06-26 08:07:17 +0900 |
| commit | 9ff3b40e411c00870d1c29cd6b843fca7c4160ae (patch) | |
| tree | 4d58943bf8907f5704ba004fd5383c0d7683c61f /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 823819507095135b475a99048f0b0b6e75580fbc (diff) | |
| parent | 6f0d349d922ba44e4348a17a78ea51b7135965b1 (diff) | |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 3317d1536f4fc..6e5284e6c028d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2158,10 +2158,18 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) switch (asic_type) { #if defined(CONFIG_DRM_AMD_DC) case CHIP_BONAIRE: - case CHIP_HAWAII: case CHIP_KAVERI: case CHIP_KABINI: case CHIP_MULLINS: + /* + * We have systems in the wild with these ASICs that require + * LVDS and VGA support which is not supported with DC. + * + * Fallback to the non-DC driver here by default so as not to + * cause regressions. + */ + return amdgpu_dc > 0; + case CHIP_HAWAII: case CHIP_CARRIZO: case CHIP_STONEY: case CHIP_POLARIS10: |