[PATCH xf86-video-ati] Don't install Flush/EventCallback for GPU screens

[Alex Deucher]

On Mon, Nov 21, 2016 at 4:27 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Their purpose is to flush GPU rendering commands corresponding to damage
> events, but there can be no damage events corresponding to GPU screen
> rendering operations.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

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

> ---
>  src/radeon_kms.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/radeon_kms.c b/src/radeon_kms.c
> index 2f783a0..a5943d1 100644
> --- a/src/radeon_kms.c
> +++ b/src/radeon_kms.c
> @@ -302,7 +302,7 @@ radeon_flush_callback(CallbackListPtr *list,
>
>  static Bool RADEONCreateScreenResources_KMS(ScreenPtr pScreen)
>  {
> -    ExtensionEntry *damage_ext = CheckExtension("DAMAGE");
> +    ExtensionEntry *damage_ext;
>      ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>      RADEONInfoPtr  info   = RADEONPTR(pScrn);
>      PixmapPtr pixmap;
> @@ -360,7 +360,7 @@ static Bool RADEONCreateScreenResources_KMS(ScreenPtr pScreen)
>         radeon_glamor_create_screen_resources(pScreen);
>
>      info->callback_event_type = -1;
> -    if (damage_ext) {
> +    if (!pScreen->isGPU && (damage_ext = CheckExtension("DAMAGE"))) {
>         info->callback_event_type = damage_ext->eventBase + XDamageNotify;
>
>         if (!AddCallback(&FlushCallback, radeon_flush_callback, pScrn))
> --
> 2.10.2
>
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