Re: [PATCH v3 0/3] drm/{amdgpu, i915, nouveau, radeon}: Fix fbdev and vga-switcheroo

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On Mon, Jan 16, 2023 at 6:54 AM Thomas Zimmermann <tzimmermann@xxxxxxx> wrote:
>
> (was: drm: Generic fbdev and vga-switcheroo)
>
> This patchset fixes how fbdev helpers interact with vga-switcheroo. The
> first two patches are bug fixes for the existing code. The third patch
> cleans up the drivers.
>
> Patch 1 fixes i915 to do the correct thing if the device has not been
> initialized yet. Switching to the device is only possible after the
> initialization, but switching away is always possible.
>
> Patch 2 is the original patch without the amdgpu changes. Installs
> the fbdev framebuffer in vga-switcheroo for the PCI device. Does
> nothing for drivers without vga-switcheroo.
>
> Patch 3 cleans up vga_switcheroo_process_delayed_switch() in amdgpu
> and the other related drivers (i.e., i915, nouveau and radeon). The
> call is now located at the end of drm_lastclose() and drivers do not
> need their own lastclose helpers any longer.
>
> I kept the r-bs from v1, but patch 1 is entirely new and patch 3 has
> significantly grown in size.

Series is:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

>
> v3:
>         * include drm_fb_helper.h in radeon_drv.c
> v2:
>         * expand to patch series
>         * fix i915, nouveau and radeon
>
> Thomas Zimmermann (3):
>   drm/i915: Allow switching away via vga-switcheroo if uninitialized
>   drm/fb-helper: Set framebuffer for vga-switcheroo clients
>   drm: Call vga_switcheroo_process_delayed_switch() in drm_lastclose
>
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h     |  1 -
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c |  2 --
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 13 -------------
>  drivers/gpu/drm/drm_fb_helper.c         |  8 ++++++++
>  drivers/gpu/drm/drm_file.c              |  3 +++
>  drivers/gpu/drm/i915/i915_driver.c      | 26 ++-----------------------
>  drivers/gpu/drm/i915/i915_switcheroo.c  |  6 +++++-
>  drivers/gpu/drm/nouveau/nouveau_drm.c   |  1 -
>  drivers/gpu/drm/nouveau/nouveau_vga.c   |  7 -------
>  drivers/gpu/drm/nouveau/nouveau_vga.h   |  1 -
>  drivers/gpu/drm/radeon/radeon_drv.c     |  3 ++-
>  drivers/gpu/drm/radeon/radeon_drv.h     |  1 -
>  drivers/gpu/drm/radeon/radeon_kms.c     | 18 -----------------
>  drivers/gpu/vga/vga_switcheroo.c        |  4 ++--
>  14 files changed, 22 insertions(+), 72 deletions(-)
>
>
> base-commit: 68d139b609a97a83e7c231189d4864aba4e1679b
> prerequisite-patch-id: 0aa359f6144c4015c140c8a6750be19099c676fb
> prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24
> prerequisite-patch-id: 3f204510fcbf9530d6540bd8e6128cce598988b6
> --
> 2.39.0
>



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