Signed-off-by: Glenn Kennard <glenn.kennard@xxxxxxxxx>
---
See patch sent to mesa-dev@xxxxxxxxxxxxxxxxxxxxx for userspace usage.
drivers/gpu/drm/radeon/evergreen_cs.c | 76 +++++++++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/evergreend.h | 1 +
drivers/gpu/drm/radeon/radeon_drv.c | 3 +-
3 files changed, 79 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 5c8b358..6173df3 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -1896,6 +1896,19 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
}
break;
}
+ case PACKET3_INDEX_BUFFER_SIZE:
+ {
+ if (pkt->count != 0) {
+ DRM_ERROR("bad INDEX_BUFFER_SIZE\n");
+ return -EINVAL;
+ }
+ r = evergreen_cs_track_check(p);
+ if (r) {
+ dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+ return r;
+ }
+ break;
+ }
case PACKET3_DRAW_INDEX:
{
uint64_t offset;
@@ -2006,6 +2019,68 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
return r;
}
break;
+ case PACKET3_SET_BASE:
+ {
+ /*
+ DW 1 HEADER Header of the packet. Shader_Type in bit 1 of the Header will correspond to the shader type of the Load, see Type-3 Packet.
+ 2 BASE_INDEX Bits [3:0] BASE_INDEX - Base Index specifies which base address is specified in the last two DWs.
+ 0001: DX11 Draw_Index_Indirect Patch Table Base: Base address for Draw_Index_Indirect data.
+ 3 ADDRESS_LO Bits [31:3] - Lower bits of QWORD-Aligned Address. Bits [2:0] - Reserved
+ 4 ADDRESS_HI Bits [31:8] - Reserved. Bits [7:0] - Upper bits of Address [47:32]
+ */
+ uint64_t offset;
+
+ if (pkt->count != 2) {
+ DRM_ERROR("bad SET_BASE\n");
+ return -EINVAL;
+ }
+
+ /* currently only supporting setting indirect draw buffer base address */
+ if (radeon_get_ib_value(p, idx) != 1) {
+ DRM_ERROR("bad SET_BASE\n");
+ return -EINVAL;
+ }
+
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("bad SET_BASE\n");
+ return -EINVAL;
+ }
+
+ offset = reloc->gpu_offset +
+ radeon_get_ib_value(p, idx+1) +
+ ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
+
+ ib[idx+1] = offset;
+ ib[idx+2] = upper_32_bits(offset) & 0xff;
+
+ r = evergreen_cs_track_check(p);
+ if (r) {
+ dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+ return r;
+ }
+ break;
+ }
+ case PACKET3_DRAW_INDIRECT:
+ case PACKET3_DRAW_INDEX_INDIRECT:
+ case PACKET3_DRAW_INDIRECT_MULTI:
+ {
+ /*
+ DW 1 HEADER
+ 2 DATA_OFFSET Bits [31:0] + byte aligned offset where the required data structure starts. Bits 1:0 are zero
+ 3 DRAW_INITIATOR Draw Initiator Register. Written to the VGT_DRAW_INITIATOR register for the assigned context
+ */
+ if (pkt->count != 1) {
+ DRM_ERROR("bad DRAW_INDIRECT\n");
+ return -EINVAL;
+ }
+ r = evergreen_cs_track_check(p);
+ if (r) {
+ dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+ return r;
+ }
+ break;
+ }
case PACKET3_DISPATCH_DIRECT:
if (pkt->count != 3) {
DRM_ERROR("bad DISPATCH_DIRECT\n");
@@ -3260,6 +3335,7 @@ static int evergreen_vm_packet3_check(struct radeon_device *rdev,
case PACKET3_DRAW_INDEX_OFFSET:
case PACKET3_INDEX_TYPE:
case PACKET3_DRAW_INDEX:
+ case PACKET3_DRAW_INDIRECT_MULTI:
case PACKET3_DRAW_INDEX_AUTO:
case PACKET3_DRAW_INDEX_IMMD:
case PACKET3_NUM_INSTANCES:
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index b066d67..5d4c5f2 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -1553,6 +1553,7 @@
#define PACKET3_DRAW_INDEX_OFFSET 0x29
#define PACKET3_INDEX_TYPE 0x2A
#define PACKET3_DRAW_INDEX 0x2B
+#define PACKET3_DRAW_INDIRECT_MULTI 0x2C
#define PACKET3_DRAW_INDEX_AUTO 0x2D
#define PACKET3_DRAW_INDEX_IMMD 0x2E
#define PACKET3_NUM_INSTANCES 0x2F
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index dcffa30..fbd1f73 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -86,9 +86,10 @@
* 2.39.0 - Add INFO query for number of active CUs
* 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
* CS to GPU on >= r600
+ * 2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 40
+#define KMS_DRIVER_MINOR 41
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);
--
1.9.1
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