drm/amdgpu: add DC feature mask module parameter
Similar to ppfeaturemask. Allows you to selectively enable/disable DC features. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -151,6 +151,7 @@ extern int amdgpu_compute_multipipe;
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extern int amdgpu_gpu_recovery;
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extern int amdgpu_emu_mode;
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extern uint amdgpu_smu_memory_pool_size;
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extern uint amdgpu_dc_feature_mask;
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extern struct amdgpu_mgpu_info mgpu_info;
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#ifdef CONFIG_DRM_AMDGPU_SI
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@ -127,6 +127,9 @@ int amdgpu_compute_multipipe = -1;
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int amdgpu_gpu_recovery = -1; /* auto */
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int amdgpu_emu_mode = 0;
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uint amdgpu_smu_memory_pool_size = 0;
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/* FBC (bit 0) disabled by default*/
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uint amdgpu_dc_feature_mask = 0;
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struct amdgpu_mgpu_info mgpu_info = {
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.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
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};
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@ -631,6 +634,14 @@ module_param(halt_if_hws_hang, int, 0644);
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MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)");
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#endif
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/**
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* DOC: dcfeaturemask (uint)
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* Override display features enabled. See enum DC_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
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* The default is the current set of stable display features.
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*/
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MODULE_PARM_DESC(dcfeaturemask, "all stable DC features enabled (default))");
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module_param_named(dcfeaturemask, amdgpu_dc_feature_mask, uint, 0444);
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static const struct pci_device_id pciidlist[] = {
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#ifdef CONFIG_DRM_AMDGPU_SI
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{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
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@ -133,6 +133,10 @@ enum PP_FEATURE_MASK {
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PP_AVFS_MASK = 0x40000,
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};
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enum DC_FEATURE_MASK {
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DC_FBC_MASK = 0x1,
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};
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/**
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* struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks
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*/
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