[PATCH 4/6] drm/radeon: add UVD support for older asics v4
Christian König
deathsimple at vodafone.de
Sun Aug 24 06:14:28 PDT 2014
From: Christian König <christian.koenig at amd.com>
v2: cleanup R600 support
v3: rebased on current drm-fixes-3.12
v4: rebased on drm-next-3.14
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/radeon/r600.c | 31 +++++++++++++++
drivers/gpu/drm/radeon/r600d.h | 8 ++++
drivers/gpu/drm/radeon/radeon_asic.c | 15 +++++++
drivers/gpu/drm/radeon/radeon_asic.h | 3 ++
drivers/gpu/drm/radeon/uvd_v1_0.c | 77 ++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/uvd_v2_2.c | 4 ++
6 files changed, 138 insertions(+)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 221e119..e79d3f8 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2991,6 +2991,17 @@ static int r600_startup(struct radeon_device *rdev)
return r;
}
+ r = uvd_v1_0_resume(rdev);
+ if (!r) {
+ r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
+ if (r) {
+ dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
+ }
+ }
+ if (r) {
+ rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
+ }
+
/* Enable IRQ */
if (!rdev->irq.installed) {
r = radeon_irq_kms_init(rdev);
@@ -3019,6 +3030,16 @@ static int r600_startup(struct radeon_device *rdev)
if (r)
return r;
+ ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+ if (ring->ring_size) {
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
+ RADEON_CP_PACKET2);
+ if (!r)
+ r = uvd_v1_0_init(rdev);
+ if (r)
+ DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
+ }
+
r = radeon_ib_pool_init(rdev);
if (r) {
dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
@@ -3078,6 +3099,8 @@ int r600_suspend(struct radeon_device *rdev)
radeon_pm_suspend(rdev);
r600_audio_fini(rdev);
r600_cp_stop(rdev);
+ uvd_v1_0_fini(rdev);
+ radeon_uvd_suspend(rdev);
r600_irq_suspend(rdev);
radeon_wb_disable(rdev);
r600_pcie_gart_disable(rdev);
@@ -3157,6 +3180,12 @@ int r600_init(struct radeon_device *rdev)
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
+ r = radeon_uvd_init(rdev);
+ if (!r) {
+ rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
+ r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
+ }
+
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
@@ -3186,6 +3215,8 @@ void r600_fini(struct radeon_device *rdev)
r600_audio_fini(rdev);
r600_cp_fini(rdev);
r600_irq_fini(rdev);
+ uvd_v1_0_fini(rdev);
+ radeon_uvd_fini(rdev);
radeon_wb_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 25b1c93..ab200c4 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -1485,6 +1485,7 @@
#define UVD_CGC_GATE 0xf4a8
#define UVD_LMI_CTRL2 0xf4f4
#define UVD_MASTINT_EN 0xf500
+#define UVD_FW_START 0xf51C
#define UVD_LMI_ADDR_EXT 0xf594
#define UVD_LMI_CTRL 0xf598
#define UVD_LMI_SWAP_CNTL 0xf5b4
@@ -1497,6 +1498,13 @@
#define UVD_MPC_SET_MUX 0xf5f4
#define UVD_MPC_SET_ALU 0xf5f8
+#define UVD_VCPU_CACHE_OFFSET0 0xf608
+#define UVD_VCPU_CACHE_SIZE0 0xf60c
+#define UVD_VCPU_CACHE_OFFSET1 0xf610
+#define UVD_VCPU_CACHE_SIZE1 0xf614
+#define UVD_VCPU_CACHE_OFFSET2 0xf618
+#define UVD_VCPU_CACHE_SIZE2 0xf61c
+
#define UVD_VCPU_CNTL 0xf660
#define UVD_SOFT_RESET 0xf680
#define RBC_SOFT_RESET (1<<0)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index eeeeabe..9e6699a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -965,6 +965,19 @@ static struct radeon_asic r600_asic = {
},
};
+static struct radeon_asic_ring rv6xx_uvd_ring = {
+ .ib_execute = &uvd_v1_0_ib_execute,
+ .emit_fence = &uvd_v1_0_fence_emit,
+ .emit_semaphore = &uvd_v1_0_semaphore_emit,
+ .cs_parse = &radeon_uvd_cs_parse,
+ .ring_test = &uvd_v1_0_ring_test,
+ .ib_test = &uvd_v1_0_ib_test,
+ .is_lockup = &radeon_ring_test_lockup,
+ .get_rptr = &uvd_v1_0_get_rptr,
+ .get_wptr = &uvd_v1_0_get_wptr,
+ .set_wptr = &uvd_v1_0_set_wptr,
+};
+
static struct radeon_asic rv6xx_asic = {
.init = &r600_init,
.fini = &r600_fini,
@@ -984,6 +997,7 @@ static struct radeon_asic rv6xx_asic = {
.ring = {
[RADEON_RING_TYPE_GFX_INDEX] = &r600_gfx_ring,
[R600_RING_TYPE_DMA_INDEX] = &r600_dma_ring,
+ [R600_RING_TYPE_UVD_INDEX] = &rv6xx_uvd_ring,
},
.irq = {
.set = &r600_irq_set,
@@ -1074,6 +1088,7 @@ static struct radeon_asic rs780_asic = {
.ring = {
[RADEON_RING_TYPE_GFX_INDEX] = &r600_gfx_ring,
[R600_RING_TYPE_DMA_INDEX] = &r600_dma_ring,
+ [R600_RING_TYPE_UVD_INDEX] = &rv6xx_uvd_ring,
},
.irq = {
.set = &r600_irq_set,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 275a5dc..987a3b7 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -883,6 +883,7 @@ uint32_t uvd_v1_0_get_wptr(struct radeon_device *rdev,
struct radeon_ring *ring);
void uvd_v1_0_set_wptr(struct radeon_device *rdev,
struct radeon_ring *ring);
+int uvd_v1_0_resume(struct radeon_device *rdev);
int uvd_v1_0_init(struct radeon_device *rdev);
void uvd_v1_0_fini(struct radeon_device *rdev);
@@ -890,6 +891,8 @@ int uvd_v1_0_start(struct radeon_device *rdev);
void uvd_v1_0_stop(struct radeon_device *rdev);
int uvd_v1_0_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
+void uvd_v1_0_fence_emit(struct radeon_device *rdev,
+ struct radeon_fence *fence);
int uvd_v1_0_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
bool uvd_v1_0_semaphore_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
index be42c81..4d95a7d 100644
--- a/drivers/gpu/drm/radeon/uvd_v1_0.c
+++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
@@ -22,6 +22,7 @@
* Authors: Christian König <christian.koenig at amd.com>
*/
+#include <linux/firmware.h>
#include <drm/drmP.h>
#include "radeon.h"
#include "radeon_asic.h"
@@ -70,6 +71,82 @@ void uvd_v1_0_set_wptr(struct radeon_device *rdev,
}
/**
+ * uvd_v1_0_fence_emit - emit an fence & trap command
+ *
+ * @rdev: radeon_device pointer
+ * @fence: fence to emit
+ *
+ * Write a fence and a trap command to the ring.
+ */
+void uvd_v1_0_fence_emit(struct radeon_device *rdev,
+ struct radeon_fence *fence)
+{
+ struct radeon_ring *ring = &rdev->ring[fence->ring];
+ uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
+
+ radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
+ radeon_ring_write(ring, addr & 0xffffffff);
+ radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
+ radeon_ring_write(ring, fence->seq);
+ radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
+ radeon_ring_write(ring, 0);
+
+ radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
+ radeon_ring_write(ring, 2);
+ return;
+}
+
+/**
+ * uvd_v1_0_resume - memory controller programming
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Let the UVD memory controller know it's offsets
+ */
+int uvd_v1_0_resume(struct radeon_device *rdev)
+{
+ uint64_t addr;
+ uint32_t size;
+ int r;
+
+ r = radeon_uvd_resume(rdev);
+ if (r)
+ return r;
+
+ /* programm the VCPU memory controller bits 0-27 */
+ addr = (rdev->uvd.gpu_addr >> 3) + 16;
+ size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size) >> 3;
+ WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
+ WREG32(UVD_VCPU_CACHE_SIZE0, size);
+
+ addr += size;
+ size = RADEON_UVD_STACK_SIZE >> 3;
+ WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
+ WREG32(UVD_VCPU_CACHE_SIZE1, size);
+
+ addr += size;
+ size = RADEON_UVD_HEAP_SIZE >> 3;
+ WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
+ WREG32(UVD_VCPU_CACHE_SIZE2, size);
+
+ /* bits 28-31 */
+ addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
+ WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
+
+ /* bits 32-39 */
+ addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
+ WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
+
+ WREG32(UVD_FW_START, *((uint32_t*)rdev->uvd.cpu_addr));
+
+ return 0;
+}
+
+/**
* uvd_v1_0_init - start and test UVD block
*
* @rdev: radeon_device pointer
diff --git a/drivers/gpu/drm/radeon/uvd_v2_2.c b/drivers/gpu/drm/radeon/uvd_v2_2.c
index 8bfdadd..8919351 100644
--- a/drivers/gpu/drm/radeon/uvd_v2_2.c
+++ b/drivers/gpu/drm/radeon/uvd_v2_2.c
@@ -72,6 +72,10 @@ int uvd_v2_2_resume(struct radeon_device *rdev)
uint32_t chip_id, size;
int r;
+ /* RV770 uses V1.0 MC */
+ if (rdev->family == CHIP_RV770)
+ return uvd_v1_0_resume(rdev);
+
r = radeon_uvd_resume(rdev);
if (r)
return r;
--
1.9.1
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