Mesa (master): ac: add radeon_info::has_l2_uncached

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Module: Mesa
Branch: master
Commit: 2af7511ed2771d45c595518e746fa2f9031ba77a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2af7511ed2771d45c595518e746fa2f9031ba77a

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Tue Nov 12 17:17:21 2019 +0100

ac: add radeon_info::has_l2_uncached

For chips that have uncached device memory (ie. MTYPE_UC).

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

---

 src/amd/common/ac_gpu_info.c | 3 +++
 src/amd/common/ac_gpu_info.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index 8b346571e25..23dcb190a3f 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -410,6 +410,9 @@ bool ac_query_gpu_info(int fd, void *dev_p,
 	else
 		info->max_alloc_size = info->gart_size * 0.7;
 
+	/* Set which chips have uncached device memory. */
+	info->has_l2_uncached = info->chip_class >= GFX9;
+
 	/* Set hardware information. */
 	info->gds_size = gds.gds_total_size;
 	info->gds_gfx_partition_size = gds.gds_gfx_partition_size;
diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h
index c9e3e90848b..cffa0b7b222 100644
--- a/src/amd/common/ac_gpu_info.h
+++ b/src/amd/common/ac_gpu_info.h
@@ -91,6 +91,7 @@ struct radeon_info {
 	uint32_t                    min_alloc_size;
 	uint32_t                    address32_hi;
 	bool                        has_dedicated_vram;
+	bool                        has_l2_uncached;
 	bool                        r600_has_virtual_memory;
 	uint32_t                    num_sdp_interfaces;
 	uint32_t                    num_tcc_blocks;