drm/radeon: allow CMASK and FMASK in the CS checker on r600-r700
MSAA is impossible without them.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 3dab49c..1bec5b8 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -47,13 +47,17 @@
u32 npipes;
/* value we track */
u32 sq_config;
+ u32 log_nsamples;
u32 nsamples;
u32 cb_color_base_last[8];
struct radeon_bo *cb_color_bo[8];
u64 cb_color_bo_mc[8];
- u32 cb_color_bo_offset[8];
- struct radeon_bo *cb_color_frag_bo[8]; /* unused */
- struct radeon_bo *cb_color_tile_bo[8]; /* unused */
+ u64 cb_color_bo_offset[8];
+ struct radeon_bo *cb_color_frag_bo[8];
+ u64 cb_color_frag_offset[8];
+ struct radeon_bo *cb_color_tile_bo[8];
+ u64 cb_color_tile_offset[8];
+ u32 cb_color_mask[8];
u32 cb_color_info[8];
u32 cb_color_view[8];
u32 cb_color_size_idx[8]; /* unused */
@@ -349,10 +353,6 @@
unsigned array_mode;
u32 format;
- if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
- dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n");
- return -EINVAL;
- }
size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
format = G_0280A0_FORMAT(track->cb_color_info[i]);
if (!r600_fmt_is_valid_color(format)) {
@@ -441,7 +441,7 @@
* broken userspace.
*/
} else {
- dev_warn(p->dev, "%s offset[%d] %d %d %d %lu too big (%d %d) (%d %d %d)\n",
+ dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
__func__, i, array_mode,
track->cb_color_bo_offset[i], tmp,
radeon_bo_size(track->cb_color_bo[i]),
@@ -458,6 +458,51 @@
tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
ib[track->cb_color_size_idx[i]] = tmp;
+
+ /* FMASK/CMASK */
+ switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
+ case V_0280A0_TILE_DISABLE:
+ break;
+ case V_0280A0_FRAG_ENABLE:
+ if (track->nsamples > 1) {
+ uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
+ /* the tile size is 8x8, but the size is in units of bits.
+ * for bytes, do just * 8. */
+ uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
+
+ if (bytes + track->cb_color_frag_offset[i] >
+ radeon_bo_size(track->cb_color_frag_bo[i])) {
+ dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
+ "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
+ __func__, tile_max, bytes,
+ track->cb_color_frag_offset[i],
+ radeon_bo_size(track->cb_color_frag_bo[i]));
+ return -EINVAL;
+ }
+ }
+ /* fall through */
+ case V_0280A0_CLEAR_ENABLE:
+ {
+ uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
+ /* One block = 128x128 pixels, one 8x8 tile has 4 bits..
+ * (128*128) / (8*8) / 2 = 128 bytes per block. */
+ uint32_t bytes = (block_max + 1) * 128;
+
+ if (bytes + track->cb_color_tile_offset[i] >
+ radeon_bo_size(track->cb_color_tile_bo[i])) {
+ dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
+ "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
+ __func__, block_max, bytes,
+ track->cb_color_tile_offset[i],
+ radeon_bo_size(track->cb_color_tile_bo[i]));
+ return -EINVAL;
+ }
+ break;
+ }
+ default:
+ dev_warn(p->dev, "%s invalid tile mode\n", __func__);
+ return -EINVAL;
+ }
return 0;
}
@@ -1231,6 +1276,7 @@
break;
case R_028C04_PA_SC_AA_CONFIG:
tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
+ track->log_nsamples = tmp;
track->nsamples = 1 << tmp;
track->cb_dirty = true;
break;
@@ -1312,16 +1358,21 @@
dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
return -EINVAL;
}
- ib[idx] = track->cb_color_base_last[tmp];
track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
+ track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
+ ib[idx] = track->cb_color_base_last[tmp];
} else {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
return -EINVAL;
}
- ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
track->cb_color_frag_bo[tmp] = reloc->robj;
+ track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
+ ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ }
+ if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
+ track->cb_dirty = true;
}
break;
case R_0280C0_CB_COLOR0_TILE:
@@ -1338,16 +1389,35 @@
dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
return -EINVAL;
}
- ib[idx] = track->cb_color_base_last[tmp];
track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
+ track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
+ ib[idx] = track->cb_color_base_last[tmp];
} else {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
return -EINVAL;
}
- ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
track->cb_color_tile_bo[tmp] = reloc->robj;
+ track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
+ ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ }
+ if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
+ track->cb_dirty = true;
+ }
+ break;
+ case R_028100_CB_COLOR0_MASK:
+ case R_028104_CB_COLOR1_MASK:
+ case R_028108_CB_COLOR2_MASK:
+ case R_02810C_CB_COLOR3_MASK:
+ case R_028110_CB_COLOR4_MASK:
+ case R_028114_CB_COLOR5_MASK:
+ case R_028118_CB_COLOR6_MASK:
+ case R_02811C_CB_COLOR7_MASK:
+ tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
+ track->cb_color_mask[tmp] = ib[idx];
+ if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
+ track->cb_dirty = true;
}
break;
case CB_COLOR0_BASE: