Re: [PATCH] Revert "drm/amdgpu: use dirty framebuffer helper"

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Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

On Wed, Oct 5, 2022 at 11:47 AM Hamza Mahfooz <hamza.mahfooz@xxxxxxx> wrote:
>
> This reverts commit 10b6e91bd1ee9cd237ffbc244ad9c25b5fd3e167.
>
> Unfortunately, this commit causes performance regressions on non-PSR
> setups. So, just revert it until FB_DAMAGE_CLIPS support can be added.
>
> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2189
> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index 23998f727c7f..1a06b8d724f3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -38,8 +38,6 @@
>  #include <linux/pci.h>
>  #include <linux/pm_runtime.h>
>  #include <drm/drm_crtc_helper.h>
> -#include <drm/drm_damage_helper.h>
> -#include <drm/drm_drv.h>
>  #include <drm/drm_edid.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_fb_helper.h>
> @@ -500,12 +498,6 @@ static const struct drm_framebuffer_funcs amdgpu_fb_funcs = {
>         .create_handle = drm_gem_fb_create_handle,
>  };
>
> -static const struct drm_framebuffer_funcs amdgpu_fb_funcs_atomic = {
> -       .destroy = drm_gem_fb_destroy,
> -       .create_handle = drm_gem_fb_create_handle,
> -       .dirty = drm_atomic_helper_dirtyfb,
> -};
> -
>  uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
>                                           uint64_t bo_flags)
>  {
> @@ -1108,10 +1100,8 @@ static int amdgpu_display_gem_fb_verify_and_init(struct drm_device *dev,
>         if (ret)
>                 goto err;
>
> -       if (drm_drv_uses_atomic_modeset(dev))
> -               ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs_atomic);
> -       else
> -               ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
> +       ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
> +
>         if (ret)
>                 goto err;
>
> --
> 2.37.3
>



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