diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2023-09-05 14:25:58 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-20 12:24:21 -0400 |
| commit | bb0f84293e61f052f96f8bec75844b43ea2e3822 (patch) | |
| tree | ae46d4108b967b1b1b6210a33a599f8eb7dc1ded /drivers/gpu/drm/amd/amdgpu | |
| parent | 3ef07651a5756e7de65615e18eacbf8822c23016 (diff) | |
drm/amd: Move seamless boot check out of display
This will allow base driver to dictate whether seamless should be
enabled. No intended functional changes.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 21 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 96ea0a43cdd2..19c757e300b0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1326,6 +1326,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, void amdgpu_device_pci_config_reset(struct amdgpu_device *adev); int amdgpu_device_pci_reset(struct amdgpu_device *adev); bool amdgpu_device_need_post(struct amdgpu_device *adev); +bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev); bool amdgpu_device_pcie_dynamic_switching_supported(void); bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev); bool amdgpu_device_aspm_support_quirk(void); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ca56b5a543b4..7187eeb8ffa6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1359,6 +1359,27 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) } /* + * Check whether seamless boot is supported. + * + * So far we only support seamless boot on select ASICs. + * If everything goes well, we may consider expanding + * seamless boot to other ASICs. + */ +bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev) +{ + switch (adev->ip_versions[DCE_HWIP][0]) { + case IP_VERSION(3, 0, 1): + if (!adev->mman.keep_stolen_vga_memory) + return true; + break; + default: + break; + } + + return false; +} + +/* * Intel hosts such as Raptor Lake and Sapphire Rapids don't support dynamic * speed switching. Until we have confirmation from Intel that a specific host * supports it, it's safer that we keep it disabled for all. |