diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index f1b91363d64..c1b29822833 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -384,6 +384,8 @@ The integer capabilities:
 * ``PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE``: The page size of sparse buffers in
   bytes, or 0 if sparse buffers are not supported. The page size must be at
   most 64KB.
+* ``PIPE_CAP_TGSI_BALLOT``: Whether the BALLOT and READ_* opcodes as well as
+  the SUBGROUP_* semantics are supported.
 
 
 .. _pipe_capf:
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 7bff0fdde3d..151a1e031e0 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -248,6 +248,7 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
 
    /* Stream output. */
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 3f189080330..cc6b148965a 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -305,6 +305,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_TGSI_CLOCK:
 	case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 	case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+	case PIPE_CAP_TGSI_BALLOT:
 		return 0;
 
 	case PIPE_CAP_MAX_VIEWPORTS:
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 70dc31f0173..ce5348a4b38 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -304,6 +304,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_TGSI_TEX_TXF_LZ:
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
 
    case PIPE_CAP_MAX_VIEWPORTS:
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 8abe6e7629f..5fe6ae50831 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -350,6 +350,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
    }
    /* should only get here on unhandled cases */
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 18304d20539..95464f7cdc8 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -214,6 +214,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index ccd3426c4e1..9e8eeacdbd4 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -266,6 +266,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index afbb2d06525..064848db4ab 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -289,6 +289,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_INT64_DIVMOD:
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 04fd0efe757..3eedd9ea780 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -236,6 +236,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_TGSI_CLOCK:
         case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
         case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+        case PIPE_CAP_TGSI_BALLOT:
             return 0;
 
         /* SWTCL-only features. */
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 2bea3189822..5014f2525cf 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -384,6 +384,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_TGSI_CLOCK:
 	case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 	case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+	case PIPE_CAP_TGSI_BALLOT:
 		return 0;
 
 	case PIPE_CAP_DOUBLES:
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index e163d7bd38c..2a6d1510e59 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -503,6 +503,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 	case PIPE_CAP_UMA:
 	case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
+	case PIPE_CAP_TGSI_BALLOT:
 		return 0;
 
 	case PIPE_CAP_QUERY_BUFFER_OBJECT:
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 32f3ec9486c..b8d70484ec8 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -300,6 +300,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 4;
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 6ed4d9abccd..6fa10fad60b 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -430,6 +430,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
    }
 
diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp
index 2d80ca452b2..0a5060beb16 100644
--- a/src/gallium/drivers/swr/swr_screen.cpp
+++ b/src/gallium/drivers/swr/swr_screen.cpp
@@ -322,6 +322,7 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index 5a53cd97cfd..9030c4baf4b 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -250,6 +250,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_TGSI_CLOCK:
         case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
         case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+        case PIPE_CAP_TGSI_BALLOT:
                 return 0;
 
                 /* Stream output. */
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index c3206598add..8e0117c9890 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -259,6 +259,7 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_CLOCK:
    case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+   case PIPE_CAP_TGSI_BALLOT:
       return 0;
    case PIPE_CAP_VENDOR_ID:
       return 0x1af4;
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index cd857ae65a7..cb57a28baff 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -760,6 +760,7 @@ enum pipe_cap
    PIPE_CAP_TGSI_CLOCK,
    PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE,
    PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE,
+   PIPE_CAP_TGSI_BALLOT,
 };
 
 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)