st/dri: don't set queryDmaBufFormats/queryDmaBufModifiers if the driver does not implement it

This is equivalent to commit a65db0ad1c3, but for dri_kms_init_screen. Without
this gbm_dri_is_format_supported always returns false.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104926
Fixes: e14fe41e0bf ("st/dri: implement createImageFromRenderbuffer(2)")
Reviewed-by: Emil Velikov <[email protected]>
Reviewed-by: Adam Jackson <[email protected]>
Tested-by: Adam Williamson <[email protected]>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index c8a484e3926..2411a369c5d 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -2219,8 +2219,10 @@ dri_kms_init_screen(__DRIscreen * sPriv)
       dri2ImageExtension.createImageFromFds = dri2_from_fds;
       dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
       dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2;
-      dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats;
-      dri2ImageExtension.queryDmaBufModifiers = dri2_query_dma_buf_modifiers;
+      if (pscreen->query_dmabuf_modifiers) {
+         dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats;
+         dri2ImageExtension.queryDmaBufModifiers = dri2_query_dma_buf_modifiers;
+      }
    }
 
    sPriv->extensions = dri_screen_extensions;