Mesa (master): gallium/dri2: Support Arm modifiers

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Module: Mesa
Branch: master
Commit: 22777025d4ac63a8f5909f8da7baa2501a32682f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=22777025d4ac63a8f5909f8da7baa2501a32682f

Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date:   Mon Jul 20 18:50:29 2020 -0400

gallium/dri2: Support Arm modifiers

This is needed to share both Utgard-style tiled and a subset of Arm
FrameBuffer Compression (AFBC) tiled framebuffers across processes in
Wayland.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Reviewed-by: Vasily Khoruzhick <anarsoul at gmail.com>
Tested-by: Icecream95 <ixn at keemail.me>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6159>

---

 src/gallium/frontends/dri/dri2.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/gallium/frontends/dri/dri2.c b/src/gallium/frontends/dri/dri2.c
index 3da3a07cf98..b6d7d039e20 100644
--- a/src/gallium/frontends/dri/dri2.c
+++ b/src/gallium/frontends/dri/dri2.c
@@ -850,6 +850,14 @@ dri2_get_modifier_num_planes(uint64_t modifier, int fourcc)
    case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
    case I915_FORMAT_MOD_Y_TILED_CCS:
       return 2;
+   case DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED:
+   case DRM_FORMAT_MOD_ARM_AFBC(
+                        AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
+                        AFBC_FORMAT_MOD_SPARSE |
+                        AFBC_FORMAT_MOD_YTR):
+   case DRM_FORMAT_MOD_ARM_AFBC(
+                        AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
+                        AFBC_FORMAT_MOD_SPARSE):
    case DRM_FORMAT_MOD_BROADCOM_UIF:
    case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
    case DRM_FORMAT_MOD_LINEAR: