aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChristian König2013-08-13 11:56:51 +0200
committerAlex Deucher2013-08-30 16:30:40 -0400
commit02c9f7fa4e7230fc4ae8bf26f64e45aa76011f9c (patch)
tree356f4dc89d3db10e332664c707de837fa8bc7e3e
parent76a0df859defc53e6cb61f698a48ac7da92c8d84 (diff)
drm/radeon: rework UVD writeback & [rw]ptr handling
The hardware just doesn't support this correctly. Disable it before we accidentally write anywhere we shouldn't. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/cik.c3
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c3
-rw-r--r--drivers/gpu/drm/radeon/ni.c3
-rw-r--r--drivers/gpu/drm/radeon/r600.c33
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c12
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h6
-rw-r--r--drivers/gpu/drm/radeon/radeon_ring.c2
-rw-r--r--drivers/gpu/drm/radeon/rv770.c3
-rw-r--r--drivers/gpu/drm/radeon/si.c3
10 files changed, 38 insertions, 31 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index e661aec734b2..ce7036ae9f5a 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7705,8 +7705,7 @@ static int cik_startup(struct radeon_device *rdev)
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
- r = radeon_ring_init(rdev, ring, ring->ring_size,
- R600_WB_UVD_RPTR_OFFSET,
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (!r)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 710c1d4ae5db..2139f6c64341 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5291,8 +5291,7 @@ static int evergreen_startup(struct radeon_device *rdev)
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
- r = radeon_ring_init(rdev, ring, ring->ring_size,
- R600_WB_UVD_RPTR_OFFSET,
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (!r)
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index bc298a3500a4..f543f4ca4dda 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -2225,8 +2225,7 @@ static int cayman_startup(struct radeon_device *rdev)
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
- r = radeon_ring_init(rdev, ring, ring->ring_size,
- R600_WB_UVD_RPTR_OFFSET,
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (!r)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 8a600153ef6c..c1b0aba4431a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2623,31 +2623,38 @@ void r600_dma_fini(struct radeon_device *rdev)
/*
* UVD
*/
+uint32_t r600_uvd_get_rptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ return RREG32(UVD_RBC_RB_RPTR);
+}
+
+uint32_t r600_uvd_get_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ return RREG32(UVD_RBC_RB_WPTR);
+}
+
+void r600_uvd_set_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ WREG32(UVD_RBC_RB_WPTR, ring->wptr);
+}
+
static int r600_uvd_rbc_start(struct radeon_device *rdev, bool ring_test)
{
struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
- uint64_t rptr_addr;
uint32_t rb_bufsz, tmp;
int r;
- rptr_addr = rdev->wb.gpu_addr + R600_WB_UVD_RPTR_OFFSET;
-
- if (upper_32_bits(rptr_addr) != upper_32_bits(ring->gpu_addr)) {
- DRM_ERROR("UVD ring and rptr not in the same 4GB segment!\n");
- return -EINVAL;
- }
-
/* force RBC into idle state */
WREG32(UVD_RBC_RB_CNTL, 0x11010101);
/* Set the write pointer delay */
WREG32(UVD_RBC_RB_WPTR_CNTL, 0);
- /* set the wb address */
- WREG32(UVD_RBC_RB_RPTR_ADDR, rptr_addr >> 2);
-
/* programm the 4GB memory segment for rptr and ring buffer */
- WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(rptr_addr) |
+ WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
(0x7 << 16) | (0x1 << 31));
/* Initialize the ring buffer's read and write pointers */
@@ -2662,7 +2669,7 @@ static int r600_uvd_rbc_start(struct radeon_device *rdev, bool ring_test)
/* Set ring buffer size */
rb_bufsz = drm_order(ring->ring_size);
rb_bufsz = (0x1 << 8) | rb_bufsz;
- WREG32(UVD_RBC_RB_CNTL, rb_bufsz);
+ WREG32_P(UVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f);
if (ring_test) {
ring->ready = true;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b26a20fe2859..2eab174bf22e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1027,7 +1027,6 @@ struct radeon_wb {
#define R600_WB_DMA_RPTR_OFFSET 1792
#define R600_WB_IH_WPTR_OFFSET 2048
#define CAYMAN_WB_DMA1_RPTR_OFFSET 2304
-#define R600_WB_UVD_RPTR_OFFSET 2560
#define R600_WB_EVENT_OFFSET 3072
#define CIK_WB_CP1_WPTR_OFFSET 3328
#define CIK_WB_CP2_WPTR_OFFSET 3584
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 012fe7218c74..7432247a812a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1157,9 +1157,9 @@ static struct radeon_asic_ring rv770_uvd_ring = {
.ring_test = &r600_uvd_ring_test,
.ib_test = &r600_uvd_ib_test,
.is_lockup = &radeon_ring_test_lockup,
- .get_rptr = &radeon_ring_generic_get_rptr,
- .get_wptr = &radeon_ring_generic_get_wptr,
- .set_wptr = &radeon_ring_generic_set_wptr,
+ .get_rptr = &r600_uvd_get_rptr,
+ .get_wptr = &r600_uvd_get_wptr,
+ .set_wptr = &r600_uvd_set_wptr,
};
static struct radeon_asic rv770_asic = {
@@ -1593,9 +1593,9 @@ static struct radeon_asic_ring cayman_uvd_ring = {
.ring_test = &r600_uvd_ring_test,
.ib_test = &r600_uvd_ib_test,
.is_lockup = &radeon_ring_test_lockup,
- .get_rptr = &radeon_ring_generic_get_rptr,
- .get_wptr = &radeon_ring_generic_get_wptr,
- .set_wptr = &radeon_ring_generic_set_wptr,
+ .get_rptr = &r600_uvd_get_rptr,
+ .get_wptr = &r600_uvd_get_wptr,
+ .set_wptr = &r600_uvd_set_wptr,
};
static struct radeon_asic cayman_asic = {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 5630291c4b06..37baf9c696f0 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -424,6 +424,12 @@ void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
struct seq_file *m);
/* uvd */
+uint32_t r600_uvd_get_rptr(struct radeon_device *rdev,
+ struct radeon_ring *ring);
+uint32_t r600_uvd_get_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring);
+void r600_uvd_set_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring);
int r600_uvd_init(struct radeon_device *rdev, bool ring_test);
void r600_uvd_stop(struct radeon_device *rdev);
int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index fb5ea6208970..cb4b931d8d9f 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -363,7 +363,7 @@ u32 radeon_ring_generic_get_rptr(struct radeon_device *rdev,
{
u32 rptr;
- if (rdev->wb.enabled && ring != &rdev->ring[R600_RING_TYPE_UVD_INDEX])
+ if (rdev->wb.enabled)
rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
else
rptr = RREG32(ring->rptr_reg);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 52253b2ab0d5..1e8cf49d5871 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1923,8 +1923,7 @@ static int rv770_startup(struct radeon_device *rdev)
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
- r = radeon_ring_init(rdev, ring, ring->ring_size,
- R600_WB_UVD_RPTR_OFFSET,
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (!r)
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index da23ce8f4388..4ff59c8f508f 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6416,8 +6416,7 @@ static int si_startup(struct radeon_device *rdev)
if (rdev->has_uvd) {
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
- r = radeon_ring_init(rdev, ring, ring->ring_size,
- R600_WB_UVD_RPTR_OFFSET,
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (!r)