[PATCH xf86-video-amdgpu] Set the RandR primary output on startup if Xorg hasn't

[Alex Deucher]

On Tue, Jan 19, 2016 at 3:50 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Fixes xrandr (XRRGetOutputPrimary) not reporting any output as primary
> after startup.
>
> (Ported from radeon commit b16856b25086ffb27365ac2249b8da921066ce62)
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  src/amdgpu_kms.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/src/amdgpu_kms.c b/src/amdgpu_kms.c
> index 30bce08..e090c25 100644
> --- a/src/amdgpu_kms.c
> +++ b/src/amdgpu_kms.c
> @@ -167,6 +167,7 @@ static Bool AMDGPUCreateScreenResources_KMS(ScreenPtr pScreen)
>  {
>         ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>         AMDGPUInfoPtr info = AMDGPUPTR(pScrn);
> +       rrScrPrivPtr rrScrPriv = rrGetScrPriv(pScreen);
>         PixmapPtr pixmap;
>
>         pScreen->CreateScreenResources = info->CreateScreenResources;
> @@ -174,6 +175,20 @@ static Bool AMDGPUCreateScreenResources_KMS(ScreenPtr pScreen)
>                 return FALSE;
>         pScreen->CreateScreenResources = AMDGPUCreateScreenResources_KMS;
>
> +       /* Set the RandR primary output if Xorg hasn't */
> +       if (
> +#ifdef AMDGPU_PIXMAP_SHARING
> +           !pScreen->isGPU &&
> +#endif
> +           !rrScrPriv->primaryOutput)
> +       {
> +               xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
> +
> +               rrScrPriv->primaryOutput = xf86_config->output[0]->randr_output;
> +               RROutputChanged(rrScrPriv->primaryOutput, FALSE);
> +               rrScrPriv->layoutChanged = TRUE;
> +       }
> +
>         if (!drmmode_set_desired_modes(pScrn, &info->drmmode, pScrn->is_gpu))
>                 return FALSE;
>
> --
> 2.7.0.rc3
>
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