From: Jerome Glisse <jglisse@xxxxxxxxxx>
For 6xx+. Required for mesa to use htile support for HiZ/HiS.
Userspace will check radeon version 2.14 with is bumped either
by tiling patch or stream out patch.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pelloux@xxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
---
drivers/gpu/drm/radeon/evergreen_cs.c | 56 ++++++-
drivers/gpu/drm/radeon/evergreend.h | 7 +
drivers/gpu/drm/radeon/r600_cs.c | 292 ++++++++++++++++++-----------
drivers/gpu/drm/radeon/r600d.h | 7 +
drivers/gpu/drm/radeon/reg_srcs/cayman | 1 -
drivers/gpu/drm/radeon/reg_srcs/evergreen | 1 -
drivers/gpu/drm/radeon/reg_srcs/r600 | 1 -
7 files changed, 249 insertions(+), 116 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 2ed17f7..6e269ff 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -85,6 +85,9 @@ struct evergreen_cs_track {
u32 db_s_write_offset;
struct radeon_bo *db_s_read_bo;
struct radeon_bo *db_s_write_bo;
+ u32 htile_offset;
+ u32 htile_surface;
+ struct radeon_bo *htile_bo;
};
static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
@@ -155,6 +158,9 @@ static void evergreen_cs_track_init(struct evergreen_cs_track *track)
track->db_s_write_offset = 0xFFFFFFFF;
track->db_s_read_bo = NULL;
track->db_s_write_bo = NULL;
+ track->htile_bo = NULL;
+ track->htile_offset = 0xFFFFFFFF;
+ track->htile_surface = 0;
for (i = 0; i < 4; i++) {
track->vgt_strmout_size[i] = 0;
@@ -627,6 +633,40 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p)
return -EINVAL;
}
+ /* hyperz */
+ if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
+ unsigned long size;
+ unsigned nbx, nby;
+
+ if (track->htile_bo == NULL) {
+ dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
+ __func__, __LINE__, track->db_z_info);
+ return -EINVAL;
+ }
+
+ nbx = surf.nbx;
+ nby = surf.nby;
+ if (G_028ABC_HTILE_WIDTH(track->htile_surface)) {
+ nbx = (nbx + 7) / 8;
+ } else {
+ nbx = (nbx + 3) / 4;
+ }
+ if (G_028ABC_HTILE_HEIGHT(track->htile_surface)) {
+ nby = (nby + 7) / 8;
+ } else {
+ nby = (nby + 3) / 4;
+ }
+ size = nbx * nby * 4;
+ size += track->htile_offset;
+
+ if (size > radeon_bo_size(track->htile_bo)) {
+ dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
+ __func__, __LINE__, radeon_bo_size(track->htile_bo),
+ size, nbx, nby);
+ return -EINVAL;
+ }
+ }
+
return 0;
}
@@ -1611,6 +1651,21 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
track->cb_color_base_last[tmp] = ib[idx];
track->cb_color_bo[tmp] = reloc->robj;
break;
+ case DB_HTILE_DATA_BASE:
+ r = evergreen_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ dev_warn(p->dev, "bad SET_CONTEXT_REG "
+ "0x%04X\n", reg);
+ return -EINVAL;
+ }
+ track->htile_offset = radeon_get_ib_value(p, idx);
+ ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ track->htile_bo = reloc->robj;
+ break;
+ case DB_HTILE_SURFACE:
+ /* 8x8 only */
+ track->htile_surface = radeon_get_ib_value(p, idx);
+ break;
case CB_IMMED0_BASE:
case CB_IMMED1_BASE:
case CB_IMMED2_BASE:
@@ -1623,7 +1678,6 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
case CB_IMMED9_BASE:
case CB_IMMED10_BASE:
case CB_IMMED11_BASE:
- case DB_HTILE_DATA_BASE:
case SQ_PGM_START_FS:
case SQ_PGM_START_ES:
case SQ_PGM_START_VS:
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index eb5708c..b4d1c42 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -991,6 +991,13 @@
#define G_028008_SLICE_MAX(x) (((x) >> 13) & 0x7FF)
#define C_028008_SLICE_MAX 0xFF001FFF
#define DB_HTILE_DATA_BASE 0x28014
+#define DB_HTILE_SURFACE 0x28abc
+#define S_028ABC_HTILE_WIDTH(x) (((x) & 0x1) << 0)
+#define G_028ABC_HTILE_WIDTH(x) (((x) >> 0) & 0x1)
+#define C_028ABC_HTILE_WIDTH 0xFFFFFFFE
+#define S_028ABC_HTILE_HEIGHT(x) (((x) & 0x1) << 1)
+#define G_028ABC_HTILE_HEIGHT(x) (((x) >> 1) & 0x1)
+#define C_028ABC_HTILE_HEIGHT 0xFFFFFFFD
#define DB_Z_INFO 0x28040
# define Z_ARRAY_MODE(x) ((x) << 4)
# define DB_TILE_SPLIT(x) (((x) & 0x7) << 8)
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 5cbe948..23f8aca 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -74,6 +74,9 @@ struct r600_cs_track {
u32 db_offset;
struct radeon_bo *db_bo;
u64 db_bo_mc;
+ struct radeon_bo *htile_bo;
+ u64 htile_offset;
+ u32 htile_surface;
};
#define FMT_8_BIT(fmt, vc) [fmt] = { 1, 1, 1, vc, CHIP_R600 }
@@ -315,6 +318,9 @@ static void r600_cs_track_init(struct r600_cs_track *track)
track->db_depth_size = 0xFFFFFFFF;
track->db_depth_size_idx = 0;
track->db_depth_control = 0xFFFFFFFF;
+ track->htile_bo = NULL;
+ track->htile_offset = 0xFFFFFFFF;
+ track->htile_surface = 0;
for (i = 0; i < 4; i++) {
track->vgt_strmout_size[i] = 0;
@@ -447,12 +453,167 @@ static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
return 0;
}
+static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
+{
+ struct r600_cs_track *track = p->track;
+ u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
+ u32 height_align, pitch_align, depth_align;
+ u32 pitch = 8192;
+ u32 height = 8192;
+ u64 base_offset, base_align;
+ struct array_mode_checker array_check;
+ int array_mode;
+ volatile u32 *ib = p->ib->ptr;
+
+ if (track->db_bo == NULL) {
+ dev_warn(p->dev, "z/stencil with no depth buffer\n");
+ return -EINVAL;
+ }
+ switch (G_028010_FORMAT(track->db_depth_info)) {
+ case V_028010_DEPTH_16:
+ bpe = 2;
+ break;
+ case V_028010_DEPTH_X8_24:
+ case V_028010_DEPTH_8_24:
+ case V_028010_DEPTH_X8_24_FLOAT:
+ case V_028010_DEPTH_8_24_FLOAT:
+ case V_028010_DEPTH_32_FLOAT:
+ bpe = 4;
+ break;
+ case V_028010_DEPTH_X24_8_32_FLOAT:
+ bpe = 8;
+ break;
+ default:
+ dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
+ return -EINVAL;
+ }
+ if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
+ if (!track->db_depth_size_idx) {
+ dev_warn(p->dev, "z/stencil buffer size not set\n");
+ return -EINVAL;
+ }
+ tmp = radeon_bo_size(track->db_bo) - track->db_offset;
+ tmp = (tmp / bpe) >> 6;
+ if (!tmp) {
+ dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
+ track->db_depth_size, bpe, track->db_offset,
+ radeon_bo_size(track->db_bo));
+ return -EINVAL;
+ }
+ ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
+ } else {
+ size = radeon_bo_size(track->db_bo);
+ /* pitch in pixels */
+ pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
+ slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
+ slice_tile_max *= 64;
+ height = slice_tile_max / pitch;
+ if (height > 8192)
+ height = 8192;
+ base_offset = track->db_bo_mc + track->db_offset;
+ array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
+ array_check.array_mode = array_mode;
+ array_check.group_size = track->group_size;
+ array_check.nbanks = track->nbanks;
+ array_check.npipes = track->npipes;
+ array_check.nsamples = track->nsamples;
+ array_check.blocksize = bpe;
+ if (r600_get_array_mode_alignment(&array_check,
+ &pitch_align, &height_align, &depth_align, &base_align)) {
+ dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
+ G_028010_ARRAY_MODE(track->db_depth_info),
+ track->db_depth_info);
+ return -EINVAL;
+ }
+ switch (array_mode) {
+ case V_028010_ARRAY_1D_TILED_THIN1:
+ /* don't break userspace */
+ height &= ~0x7;
+ break;
+ case V_028010_ARRAY_2D_TILED_THIN1:
+ break;
+ default:
+ dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
+ G_028010_ARRAY_MODE(track->db_depth_info),
+ track->db_depth_info);
+ return -EINVAL;
+ }
+
+ if (!IS_ALIGNED(pitch, pitch_align)) {
+ dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
+ __func__, __LINE__, pitch, pitch_align, array_mode);
+ return -EINVAL;
+ }
+ if (!IS_ALIGNED(height, height_align)) {
+ dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
+ __func__, __LINE__, height, height_align, array_mode);
+ return -EINVAL;
+ }
+ if (!IS_ALIGNED(base_offset, base_align)) {
+ dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
+ base_offset, base_align, array_mode);
+ return -EINVAL;
+ }
+
+ ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
+ nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
+ tmp = ntiles * bpe * 64 * nviews;
+ if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
+ dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
+ array_mode,
+ track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
+ radeon_bo_size(track->db_bo));
+ return -EINVAL;
+ }
+ }
+
+ /* hyperz */
+ if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
+ unsigned long size;
+ unsigned nbx, nby;
+
+ if (track->htile_bo == NULL) {
+ dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
+ __func__, __LINE__, track->db_depth_info);
+ return -EINVAL;
+ }
+ if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
+ dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
+ __func__, __LINE__, track->db_depth_size);
+ return -EINVAL;
+ }
+
+ nbx = pitch;
+ nby = height;
+ if (G_028D24_HTILE_WIDTH(track->htile_surface)) {
+ nbx = (nbx + 7) / 8;
+ } else {
+ nbx = (nbx + 3) / 4;
+ }
+ if (G_028D24_HTILE_HEIGHT(track->htile_surface)) {
+ nby = (nby + 7) / 8;
+ } else {
+ nby = (nby + 3) / 4;
+ }
+ size = nbx * nby * 4;
+ size += track->htile_offset;
+
+ if (size > radeon_bo_size(track->htile_bo)) {
+ dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
+ __func__, __LINE__, radeon_bo_size(track->htile_bo),
+ size, nbx, nby);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int r600_cs_track_check(struct radeon_cs_parser *p)
{
struct r600_cs_track *track = p->track;
u32 tmp;
int r, i;
- volatile u32 *ib = p->ib->ptr;
/* on legacy kernel we don't perform advanced check */
if (p->rdev == NULL)
@@ -497,121 +658,15 @@ static int r600_cs_track_check(struct radeon_cs_parser *p)
return r;
}
}
+
/* Check depth buffer */
if (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
G_028800_Z_ENABLE(track->db_depth_control)) {
- u32 nviews, bpe, ntiles, size, slice_tile_max;
- u32 height, height_align, pitch, pitch_align, depth_align;
- u64 base_offset, base_align;
- struct array_mode_checker array_check;
- int array_mode;
-
- if (track->db_bo == NULL) {
- dev_warn(p->dev, "z/stencil with no depth buffer\n");
- return -EINVAL;
- }
- if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
- dev_warn(p->dev, "this kernel doesn't support z/stencil htile\n");
- return -EINVAL;
- }
- switch (G_028010_FORMAT(track->db_depth_info)) {
- case V_028010_DEPTH_16:
- bpe = 2;
- break;
- case V_028010_DEPTH_X8_24:
- case V_028010_DEPTH_8_24:
- case V_028010_DEPTH_X8_24_FLOAT:
- case V_028010_DEPTH_8_24_FLOAT:
- case V_028010_DEPTH_32_FLOAT:
- bpe = 4;
- break;
- case V_028010_DEPTH_X24_8_32_FLOAT:
- bpe = 8;
- break;
- default:
- dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
- return -EINVAL;
- }
- if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
- if (!track->db_depth_size_idx) {
- dev_warn(p->dev, "z/stencil buffer size not set\n");
- return -EINVAL;
- }
- tmp = radeon_bo_size(track->db_bo) - track->db_offset;
- tmp = (tmp / bpe) >> 6;
- if (!tmp) {
- dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
- track->db_depth_size, bpe, track->db_offset,
- radeon_bo_size(track->db_bo));
- return -EINVAL;
- }
- ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
- } else {
- size = radeon_bo_size(track->db_bo);
- /* pitch in pixels */
- pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
- slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
- slice_tile_max *= 64;
- height = slice_tile_max / pitch;
- if (height > 8192)
- height = 8192;
- base_offset = track->db_bo_mc + track->db_offset;
- array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
- array_check.array_mode = array_mode;
- array_check.group_size = track->group_size;
- array_check.nbanks = track->nbanks;
- array_check.npipes = track->npipes;
- array_check.nsamples = track->nsamples;
- array_check.blocksize = bpe;
- if (r600_get_array_mode_alignment(&array_check,
- &pitch_align, &height_align, &depth_align, &base_align)) {
- dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
- G_028010_ARRAY_MODE(track->db_depth_info),
- track->db_depth_info);
- return -EINVAL;
- }
- switch (array_mode) {
- case V_028010_ARRAY_1D_TILED_THIN1:
- /* don't break userspace */
- height &= ~0x7;
- break;
- case V_028010_ARRAY_2D_TILED_THIN1:
- break;
- default:
- dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
- G_028010_ARRAY_MODE(track->db_depth_info),
- track->db_depth_info);
- return -EINVAL;
- }
-
- if (!IS_ALIGNED(pitch, pitch_align)) {
- dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
- __func__, __LINE__, pitch, pitch_align, array_mode);
- return -EINVAL;
- }
- if (!IS_ALIGNED(height, height_align)) {
- dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
- __func__, __LINE__, height, height_align, array_mode);
- return -EINVAL;
- }
- if (!IS_ALIGNED(base_offset, base_align)) {
- dev_warn(p->dev, "%s offset[%d] 0x%llx, 0x%llx, %d not aligned\n", __func__, i,
- base_offset, base_align, array_mode);
- return -EINVAL;
- }
-
- ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
- nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
- tmp = ntiles * bpe * 64 * nviews;
- if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
- dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
- array_mode,
- track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
- radeon_bo_size(track->db_bo));
- return -EINVAL;
- }
- }
+ r = r600_cs_track_validate_db(p);
+ if (r)
+ return r;
}
+
return 0;
}
@@ -1209,6 +1264,19 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
track->db_bo_mc = reloc->lobj.gpu_offset;
break;
case DB_HTILE_DATA_BASE:
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ dev_warn(p->dev, "bad SET_CONTEXT_REG "
+ "0x%04X\n", reg);
+ return -EINVAL;
+ }
+ track->htile_offset = radeon_get_ib_value(p, idx) << 8;
+ ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ track->htile_bo = reloc->robj;
+ break;
+ case DB_HTILE_SURFACE:
+ track->htile_surface = radeon_get_ib_value(p, idx);
+ break;
case SQ_PGM_START_FS:
case SQ_PGM_START_ES:
case SQ_PGM_START_VS:
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 2ba460b..4bd003e 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -195,6 +195,13 @@
#define PREZ_MUST_WAIT_FOR_POSTZ_DONE (1 << 31)
#define DB_DEPTH_BASE 0x2800C
#define DB_HTILE_DATA_BASE 0x28014
+#define DB_HTILE_SURFACE 0x28D24
+#define S_028D24_HTILE_WIDTH(x) (((x) & 0x1) << 0)
+#define G_028D24_HTILE_WIDTH(x) (((x) >> 0) & 0x1)
+#define C_028D24_HTILE_WIDTH 0xFFFFFFFE
+#define S_028D24_HTILE_HEIGHT(x) (((x) & 0x1) << 1)
+#define G_028D24_HTILE_HEIGHT(x) (((x) >> 1) & 0x1)
+#define C_028D24_HTILE_HEIGHT 0xFFFFFFFD
#define DB_WATERMARKS 0x9838
#define DEPTH_FREE(x) ((x) << 0)
#define DEPTH_FLUSH(x) ((x) << 5)
diff --git a/drivers/gpu/drm/radeon/reg_srcs/cayman b/drivers/gpu/drm/radeon/reg_srcs/cayman
index 7b526d3..0446d4e 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/cayman
+++ b/drivers/gpu/drm/radeon/reg_srcs/cayman
@@ -510,7 +510,6 @@ cayman 0x9400
0x00028AA8 IA_MULTI_VGT_PARAM
0x00028AB4 VGT_REUSE_OFF
0x00028AB8 VGT_VTX_CNT_EN
-0x00028ABC DB_HTILE_SURFACE
0x00028AC0 DB_SRESULTS_COMPARE_STATE0
0x00028AC4 DB_SRESULTS_COMPARE_STATE1
0x00028AC8 DB_PRELOAD_CONTROL
diff --git a/drivers/gpu/drm/radeon/reg_srcs/evergreen b/drivers/gpu/drm/radeon/reg_srcs/evergreen
index 7f43394..d2eae01 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/evergreen
+++ b/drivers/gpu/drm/radeon/reg_srcs/evergreen
@@ -520,7 +520,6 @@ evergreen 0x9400
0x00028AA4 VGT_INSTANCE_STEP_RATE_1
0x00028AB4 VGT_REUSE_OFF
0x00028AB8 VGT_VTX_CNT_EN
-0x00028ABC DB_HTILE_SURFACE
0x00028AC0 DB_SRESULTS_COMPARE_STATE0
0x00028AC4 DB_SRESULTS_COMPARE_STATE1
0x00028AC8 DB_PRELOAD_CONTROL
diff --git a/drivers/gpu/drm/radeon/reg_srcs/r600 b/drivers/gpu/drm/radeon/reg_srcs/r600
index 79d2455..0210665 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/r600
+++ b/drivers/gpu/drm/radeon/reg_srcs/r600
@@ -714,7 +714,6 @@ r600 0x9400
0x0000A710 TD_VS_SAMPLER17_BORDER_RED
0x00009508 TA_CNTL_AUX
0x0002802C DB_DEPTH_CLEAR
-0x00028D24 DB_HTILE_SURFACE
0x00028D34 DB_PREFETCH_LIMIT
0x00028D30 DB_PRELOAD_CONTROL
0x00028D0C DB_RENDER_CONTROL
--
1.7.7.1
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel
