diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4bf9bd96a46e..3751d262de68 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -46,6 +46,7 @@ #endif #include "vi.h" #include "bif/bif_4_1_d.h" +#include <linux/pci.h> static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); @@ -1181,11 +1182,37 @@ int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, return 1; } +static void amdgpu_whether_enable_virtual_display(struct amdgpu_device *adev) +{ + adev->enable_virtual_display = false; + + if (amdgpu_virtual_display) { + struct drm_device *ddev = adev->ddev; + const char *pci_address_name = pci_name(ddev->pdev); + char *pciaddstr, *pciaddstr_tmp, *pciaddname; + + pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); + pciaddstr_tmp = pciaddstr; + while ((pciaddname = strsep(&pciaddstr_tmp, ";"))) { + if (!strcmp(pci_address_name, pciaddname)) { + adev->enable_virtual_display = true; + break; + } + } + + DRM_INFO("virtual display string:%s, %s:virtual_display:%d\n", + amdgpu_virtual_display, pci_address_name, + adev->enable_virtual_display); + + kfree(pciaddstr); + } +} + static int amdgpu_early_init(struct amdgpu_device *adev) { int i, r; - DRM_INFO("virtual display enabled:%d\n", amdgpu_virtual_display); + amdgpu_whether_enable_virtual_display(adev); switch (adev->asic_type) { case CHIP_TOPAZ: |