[PATCH xf86-video-ati] Enable glamor by default with >= R600 and Xorg >= 1.18.3

[Alex Deucher]

On Mon, Nov 21, 2016 at 4:17 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> glamor should now perform at least as well as EXA in general, and this
> allows DRI3 to be enabled by default for >= R600.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

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

> ---
>  man/radeon.man      |  2 +-
>  src/radeon_glamor.c | 11 +++++++++--
>  2 files changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/man/radeon.man b/man/radeon.man
> index 6af7a92..8990ae2 100644
> --- a/man/radeon.man
> +++ b/man/radeon.man
> @@ -293,7 +293,7 @@ Chooses between available acceleration architectures.  Valid values are
>  .B glamor
>  (for R300 or higher). The default is
>  .B glamor
> -as of TAHITI, otherwise
> +with R600 or newer (with Xorg >= 1.18.3, otherwise with TAHITI or newer), otherwise
>  .B EXA.
>
>  .PP
> diff --git a/src/radeon_glamor.c b/src/radeon_glamor.c
> index b66848f..590c9f0 100644
> --- a/src/radeon_glamor.c
> +++ b/src/radeon_glamor.c
> @@ -84,8 +84,15 @@ radeon_glamor_pre_init(ScrnInfoPtr scrn)
>                 return FALSE;
>
>         s = xf86GetOptValString(info->Options, OPTION_ACCELMETHOD);
> -       if (s == NULL && info->ChipFamily < CHIP_FAMILY_TAHITI)
> -               return FALSE;
> +       if (!s) {
> +               if (xorgGetVersion() >= XORG_VERSION_NUMERIC(1,18,3,0,0)) {
> +                       if (info->ChipFamily < CHIP_FAMILY_R600)
> +                               return FALSE;
> +               } else {
> +                       if (info->ChipFamily < CHIP_FAMILY_TAHITI)
> +                               return FALSE;
> +               }
> +       }
>
>         if (s && strcasecmp(s, "glamor") != 0) {
>                 if (info->ChipFamily >= CHIP_FAMILY_TAHITI)
> --
> 2.10.2
>
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