[PATCH 26/48] drm/radeon/kms: add IB and fence dispatch functions for SI
alexdeucher at gmail.com
alexdeucher at gmail.com
Tue Mar 20 14:18:20 PDT 2012
From: Alex Deucher <alexander.deucher at amd.com>
Support both IBs (DE) and CONST IBs (CE).
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/si.c | 78 ++++++++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/sid.h | 65 +++++++++++++++++++++++++++++++++++
2 files changed, 143 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index a471a80..408119a 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1863,6 +1863,84 @@ static void si_gpu_init(struct radeon_device *rdev)
}
/*
+ * GPU scratch registers helpers function.
+ */
+static void si_scratch_init(struct radeon_device *rdev)
+{
+ int i;
+
+ rdev->scratch.num_reg = 7;
+ rdev->scratch.reg_base = SCRATCH_REG0;
+ for (i = 0; i < rdev->scratch.num_reg; i++) {
+ rdev->scratch.free[i] = true;
+ rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
+ }
+}
+
+void si_fence_ring_emit(struct radeon_device *rdev,
+ struct radeon_fence *fence)
+{
+ struct radeon_ring *ring = &rdev->ring[fence->ring];
+ u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
+
+ /* flush read cache over gart */
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA);
+ radeon_ring_write(ring, 0xFFFFFFFF);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 10); /* poll interval */
+ /* EVENT_WRITE_EOP - flush caches, send int */
+ radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
+ radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
+ radeon_ring_write(ring, addr & 0xffffffff);
+ radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
+ radeon_ring_write(ring, fence->seq);
+ radeon_ring_write(ring, 0);
+}
+
+/*
+ * IB stuff
+ */
+void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
+{
+ struct radeon_ring *ring = &rdev->ring[ib->fence->ring];
+ u32 header;
+
+ if (ib->is_const_ib)
+ header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
+ else
+ header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
+
+ radeon_ring_write(ring, header);
+ radeon_ring_write(ring,
+#ifdef __BIG_ENDIAN
+ (2 << 0) |
+#endif
+ (ib->gpu_addr & 0xFFFFFFFC));
+ radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
+ radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
+
+ /* flush read cache over gart for this vmid */
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
+ radeon_ring_write(ring, ib->vm_id);
+ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA);
+ radeon_ring_write(ring, 0xFFFFFFFF);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 10); /* poll interval */
+}
+
+/*
* CP.
*/
static void si_cp_enable(struct radeon_device *rdev, bool enable)
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 7e08f08..904c4fd 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -294,6 +294,8 @@
#define CP_PFP_HALT (1 << 26)
#define CP_ME_HALT (1 << 28)
+#define CP_COHER_CNTL2 0x85E8
+
#define CP_RB2_RPTR 0x86f8
#define CP_RB1_RPTR 0x86fc
#define CP_RB0_RPTR 0x8700
@@ -511,6 +513,45 @@
#define CP_DEBUG 0xC1FC
+#define VGT_EVENT_INITIATOR 0x28a90
+# define SAMPLE_STREAMOUTSTATS1 (1 << 0)
+# define SAMPLE_STREAMOUTSTATS2 (2 << 0)
+# define SAMPLE_STREAMOUTSTATS3 (3 << 0)
+# define CACHE_FLUSH_TS (4 << 0)
+# define CACHE_FLUSH (6 << 0)
+# define CS_PARTIAL_FLUSH (7 << 0)
+# define VGT_STREAMOUT_RESET (10 << 0)
+# define END_OF_PIPE_INCR_DE (11 << 0)
+# define END_OF_PIPE_IB_END (12 << 0)
+# define RST_PIX_CNT (13 << 0)
+# define VS_PARTIAL_FLUSH (15 << 0)
+# define PS_PARTIAL_FLUSH (16 << 0)
+# define CACHE_FLUSH_AND_INV_TS_EVENT (20 << 0)
+# define ZPASS_DONE (21 << 0)
+# define CACHE_FLUSH_AND_INV_EVENT (22 << 0)
+# define PERFCOUNTER_START (23 << 0)
+# define PERFCOUNTER_STOP (24 << 0)
+# define PIPELINESTAT_START (25 << 0)
+# define PIPELINESTAT_STOP (26 << 0)
+# define PERFCOUNTER_SAMPLE (27 << 0)
+# define SAMPLE_PIPELINESTAT (30 << 0)
+# define SAMPLE_STREAMOUTSTATS (32 << 0)
+# define RESET_VTX_CNT (33 << 0)
+# define VGT_FLUSH (36 << 0)
+# define BOTTOM_OF_PIPE_TS (40 << 0)
+# define DB_CACHE_FLUSH_AND_INV (42 << 0)
+# define FLUSH_AND_INV_DB_DATA_TS (43 << 0)
+# define FLUSH_AND_INV_DB_META (44 << 0)
+# define FLUSH_AND_INV_CB_DATA_TS (45 << 0)
+# define FLUSH_AND_INV_CB_META (46 << 0)
+# define CS_DONE (47 << 0)
+# define PS_DONE (48 << 0)
+# define FLUSH_AND_INV_CB_PIXEL_DATA (49 << 0)
+# define THREAD_TRACE_START (51 << 0)
+# define THREAD_TRACE_STOP (52 << 0)
+# define THREAD_TRACE_FLUSH (54 << 0)
+# define THREAD_TRACE_FINISH (55 << 0)
+
/*
* PM4
*/
@@ -606,7 +647,31 @@
#define PACKET3_ME_INITIALIZE_DEVICE_ID(x) ((x) << 16)
#define PACKET3_COND_WRITE 0x45
#define PACKET3_EVENT_WRITE 0x46
+#define EVENT_TYPE(x) ((x) << 0)
+#define EVENT_INDEX(x) ((x) << 8)
+ /* 0 - any non-TS event
+ * 1 - ZPASS_DONE
+ * 2 - SAMPLE_PIPELINESTAT
+ * 3 - SAMPLE_STREAMOUTSTAT*
+ * 4 - *S_PARTIAL_FLUSH
+ * 5 - EOP events
+ * 6 - EOS events
+ * 7 - CACHE_FLUSH, CACHE_FLUSH_AND_INV_EVENT
+ */
+#define INV_L2 (1 << 20)
+ /* INV TC L2 cache when EVENT_INDEX = 7 */
#define PACKET3_EVENT_WRITE_EOP 0x47
+#define DATA_SEL(x) ((x) << 29)
+ /* 0 - discard
+ * 1 - send low 32bit data
+ * 2 - send 64bit data
+ * 3 - send 64bit counter value
+ */
+#define INT_SEL(x) ((x) << 24)
+ /* 0 - none
+ * 1 - interrupt only (DATA_SEL = 0)
+ * 2 - interrupt when data write is confirmed
+ */
#define PACKET3_EVENT_WRITE_EOS 0x48
#define PACKET3_PREAMBLE_CNTL 0x4A
# define PACKET3_PREAMBLE_BEGIN_CLEAR_STATE (2 << 28)
--
1.7.7.5
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