ac/gpu_info: Add some SDMA related information.

SDMA only supports sparse resources on GFX9+.
SDMA only supports DCC and HTILE on GFX10+.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25769>

src/amd/common/ac_gpu_info.c

@@ -1263,6 +1263,12 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
                                  info->register_shadowing_required &&
                                  info->has_dedicated_vram;
 
+   /* GFX6-8 SDMA can't ignore page faults on unmapped sparse resources. */
+   info->sdma_supports_sparse = info->gfx_level >= GFX9;
+
+   /* GFX10+ SDMA supports DCC and HTILE, but Navi 10 has issues with it according to PAL. */
+   info->sdma_supports_compression = info->gfx_level >= GFX10 && info->family != CHIP_NAVI10;
+
    /* Get the number of good compute units. */
    info->num_cu = 0;
    for (i = 0; i < info->max_se; i++) {

src/amd/common/ac_gpu_info.h

@@ -113,6 +113,9 @@ struct radeon_info {
    bool has_vrs_ds_export_bug;
    bool has_taskmesh_indirect0_bug;
    bool has_set_pairs_packets;
+   bool sdma_supports_sparse;      /* Whether SDMA can safely access sparse resources. */
+   bool sdma_supports_compression; /* Whether SDMA supports DCC and HTILE. */
+
 
    /* conformant_trunc_coord is equal to TA_CNTL2.TRUNCATE_COORD_MODE, which exists since gfx11.
     *