Re: [PATCH] drm/amdgpu: skip BAR resizing if the bios already did it
Am 2020-06-08 um 3:41 p.m. schrieb Alex Deucher: > No need to do it again. > > Signed-off-by: Alex Deucher Acked-by: Felix Kuehling > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 + > 1 file changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > index 1df28b7bf22e..539010798116 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > @@ -909,6 +909,11 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device > *adev) > if (amdgpu_sriov_vf(adev)) > return 0; > > + /* skip if the bios has already enabled large BAR */ > + if (adev->gmc.real_vram_size && > + (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) > + return 0; > + > /* Check if the root BUS has 64bit memory resources */ > root = adev->pdev->bus; > while (root->parent) ___ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
Re: [PATCH] drm/amdgpu: skip BAR resizing if the bios already did it
Am 08.06.20 um 21:41 schrieb Alex Deucher: No need to do it again. Signed-off-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 + 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 1df28b7bf22e..539010798116 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -909,6 +909,11 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) return 0; + /* skip if the bios has already enabled large BAR */ + if (adev->gmc.real_vram_size && + (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) + return 0; + /* Check if the root BUS has 64bit memory resources */ root = adev->pdev->bus; while (root->parent) ___ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
[PATCH] drm/amdgpu: skip BAR resizing if the bios already did it
No need to do it again. Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 + 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 1df28b7bf22e..539010798116 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -909,6 +909,11 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) return 0; + /* skip if the bios has already enabled large BAR */ + if (adev->gmc.real_vram_size && + (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) + return 0; + /* Check if the root BUS has 64bit memory resources */ root = adev->pdev->bus; while (root->parent) -- 2.25.4 ___ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
