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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-06-05 18:53:55 +0900 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-06-08 10:54:34 -0400 |
| commit | 6dd13096830f5f6589bcfb4d35880590775942ca (patch) | |
| tree | 412b1f16f67f9a1ffe83586d3457c7243d34224f /drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | |
| parent | 36ffce0ac0424ad886061f59b2fabbc4133af37f (diff) | |
| download | linux-6dd13096830f5f6589bcfb4d35880590775942ca.tar.gz linux-6dd13096830f5f6589bcfb4d35880590775942ca.tar.xz | |
drm/amdgpu: Add module param to control SI support
If AMDGPU supports SI, add a module parameter to control SI
support. It's off by default in AMDGPU as long as SI suppost is
experimental, while it is on by default in radeon.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
[ Michel Dänzer: Squash in amdgpu_si_support initialization fix ]
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index e0911798e2c2..bd35c83c7c78 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -87,6 +87,23 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) struct amdgpu_device *adev; int r, acpi_status; +#ifdef CONFIG_DRM_AMDGPU_SI + if (!amdgpu_si_support) { + switch (flags & AMD_ASIC_MASK) { + case CHIP_TAHITI: + case CHIP_PITCAIRN: + case CHIP_VERDE: + case CHIP_OLAND: + case CHIP_HAINAN: + dev_info(dev->dev, + "SI support provided by radeon.\n"); + dev_info(dev->dev, + "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n" + ); + return -ENODEV; + } + } +#endif #ifdef CONFIG_DRM_AMDGPU_CIK if (!amdgpu_cik_support) { switch (flags & AMD_ASIC_MASK) { |