From de59b69932e64d77445d973a101d81d6e7e670c6 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 20 Sep 2023 13:27:58 -0400 Subject: drm/amdgpu/gmc: set a default disable value for AGP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To disable AGP, the start needs to be set to a higher value than the end. Set a default disable value for the AGP aperture and allow the IP specific GMC code to enable it selectively be calling amdgpu_gmc_agp_location(). Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index cef920a93924..0dcb6c36b02c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1062,6 +1062,9 @@ static const char * const amdgpu_vram_names[] = { */ int amdgpu_bo_init(struct amdgpu_device *adev) { + /* set the default AGP aperture state */ + amdgpu_gmc_set_agp_default(adev, &adev->gmc); + /* On A+A platform, VRAM can be mapped as WB */ if (!adev->gmc.xgmi.connected_to_cpu && !adev->gmc.is_app_apu) { /* reserve PAT memory space to WC for VRAM */ -- cgit