drm/radeon: restructure UVD code to handle UVD PG (v2)
When we PG (powergate) UVD, we need to re-initialize it before we can use it again. v2: rebase on UVD stop fixes Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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9e9d976205
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5e884f606c
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@ -69,6 +69,7 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev);
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static void cik_program_aspm(struct radeon_device *rdev);
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static void cik_init_pg(struct radeon_device *rdev);
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static void cik_init_cg(struct radeon_device *rdev);
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static void cik_uvd_resume(struct radeon_device *rdev);
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/* get temperature in millidegrees */
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int ci_get_temp(struct radeon_device *rdev)
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@ -7619,8 +7620,9 @@ static int cik_startup(struct radeon_device *rdev)
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return r;
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}
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r = cik_uvd_resume(rdev);
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r = radeon_uvd_resume(rdev);
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if (!r) {
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cik_uvd_resume(rdev);
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r = radeon_fence_driver_start_ring(rdev,
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R600_RING_TYPE_UVD_INDEX);
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if (r)
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@ -7708,7 +7710,7 @@ static int cik_startup(struct radeon_device *rdev)
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UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
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0, 0xfffff, RADEON_CP_PACKET2);
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if (!r)
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r = r600_uvd_init(rdev);
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r = r600_uvd_init(rdev, true);
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if (r)
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DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
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}
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@ -8598,15 +8600,10 @@ int cik_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
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return r;
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}
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int cik_uvd_resume(struct radeon_device *rdev)
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static void cik_uvd_resume(struct radeon_device *rdev)
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{
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uint64_t addr;
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uint32_t size;
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int r;
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r = radeon_uvd_resume(rdev);
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if (r)
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return r;
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/* programm the VCPU memory controller bits 0-27 */
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addr = rdev->uvd.gpu_addr >> 3;
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@ -8632,7 +8629,6 @@ int cik_uvd_resume(struct radeon_device *rdev)
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addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
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WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
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return 0;
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}
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static void cik_pcie_gen3_enable(struct radeon_device *rdev)
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@ -5296,7 +5296,7 @@ static int evergreen_startup(struct radeon_device *rdev)
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UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
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0, 0xfffff, RADEON_CP_PACKET2);
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if (!r)
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r = r600_uvd_init(rdev);
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r = r600_uvd_init(rdev, true);
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if (r)
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DRM_ERROR("radeon: error initializing UVD (%d).\n", r);
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@ -2230,7 +2230,7 @@ static int cayman_startup(struct radeon_device *rdev)
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UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
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0, 0xfffff, RADEON_CP_PACKET2);
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if (!r)
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r = r600_uvd_init(rdev);
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r = r600_uvd_init(rdev, true);
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if (r)
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DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
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}
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@ -2623,7 +2623,7 @@ void r600_dma_fini(struct radeon_device *rdev)
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/*
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* UVD
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*/
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int r600_uvd_rbc_start(struct radeon_device *rdev)
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static int r600_uvd_rbc_start(struct radeon_device *rdev, bool ring_test)
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{
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struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
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uint64_t rptr_addr;
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@ -2664,47 +2664,47 @@ int r600_uvd_rbc_start(struct radeon_device *rdev)
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rb_bufsz = (0x1 << 8) | rb_bufsz;
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WREG32(UVD_RBC_RB_CNTL, rb_bufsz);
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ring->ready = true;
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r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring);
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if (r) {
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ring->ready = false;
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return r;
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if (ring_test) {
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ring->ready = true;
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r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring);
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if (r) {
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ring->ready = false;
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return r;
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}
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r = radeon_ring_lock(rdev, ring, 10);
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if (r) {
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DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r);
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return r;
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}
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tmp = PACKET0(UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
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radeon_ring_write(ring, tmp);
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radeon_ring_write(ring, 0xFFFFF);
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tmp = PACKET0(UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
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radeon_ring_write(ring, tmp);
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radeon_ring_write(ring, 0xFFFFF);
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tmp = PACKET0(UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
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radeon_ring_write(ring, tmp);
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radeon_ring_write(ring, 0xFFFFF);
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/* Clear timeout status bits */
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radeon_ring_write(ring, PACKET0(UVD_SEMA_TIMEOUT_STATUS, 0));
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radeon_ring_write(ring, 0x8);
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radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0));
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radeon_ring_write(ring, 3);
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radeon_ring_unlock_commit(rdev, ring);
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}
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r = radeon_ring_lock(rdev, ring, 10);
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if (r) {
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DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r);
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return r;
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}
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tmp = PACKET0(UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
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radeon_ring_write(ring, tmp);
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radeon_ring_write(ring, 0xFFFFF);
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tmp = PACKET0(UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
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radeon_ring_write(ring, tmp);
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radeon_ring_write(ring, 0xFFFFF);
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tmp = PACKET0(UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
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radeon_ring_write(ring, tmp);
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radeon_ring_write(ring, 0xFFFFF);
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/* Clear timeout status bits */
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radeon_ring_write(ring, PACKET0(UVD_SEMA_TIMEOUT_STATUS, 0));
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radeon_ring_write(ring, 0x8);
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radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0));
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radeon_ring_write(ring, 3);
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radeon_ring_unlock_commit(rdev, ring);
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return 0;
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}
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void r600_uvd_stop(struct radeon_device *rdev)
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void r600_do_uvd_stop(struct radeon_device *rdev)
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{
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struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
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/* force RBC into idle state */
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WREG32(UVD_RBC_RB_CNTL, 0x11010101);
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@ -2723,11 +2723,17 @@ void r600_uvd_stop(struct radeon_device *rdev)
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/* Unstall UMC and register bus */
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WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
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WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
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}
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void r600_uvd_stop(struct radeon_device *rdev)
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{
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struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
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r600_do_uvd_stop(rdev);
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ring->ready = false;
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}
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int r600_uvd_init(struct radeon_device *rdev)
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int r600_uvd_init(struct radeon_device *rdev, bool ring_test)
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{
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int i, j, r;
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/* disable byte swapping */
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@ -2815,17 +2821,17 @@ int r600_uvd_init(struct radeon_device *rdev)
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if (r) {
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DRM_ERROR("UVD not responding, giving up!!!\n");
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radeon_set_uvd_clocks(rdev, 0, 0);
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return r;
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goto done;
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}
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/* enable interupt */
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WREG32_P(UVD_MASTINT_EN, 3<<1, ~(3 << 1));
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r = r600_uvd_rbc_start(rdev);
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r = r600_uvd_rbc_start(rdev, ring_test);
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if (!r)
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DRM_INFO("UVD initialized successfully.\n");
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done:
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/* lower clocks again */
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radeon_set_uvd_clocks(rdev, 0, 0);
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@ -424,8 +424,7 @@ void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
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struct seq_file *m);
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/* uvd */
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int r600_uvd_init(struct radeon_device *rdev);
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int r600_uvd_rbc_start(struct radeon_device *rdev);
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int r600_uvd_init(struct radeon_device *rdev, bool ring_test);
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void r600_uvd_stop(struct radeon_device *rdev);
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int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
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void r600_uvd_fence_emit(struct radeon_device *rdev,
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@ -696,7 +695,6 @@ u32 cik_get_xclk(struct radeon_device *rdev);
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uint32_t cik_pciep_rreg(struct radeon_device *rdev, uint32_t reg);
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void cik_pciep_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
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int cik_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
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int cik_uvd_resume(struct radeon_device *rdev);
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void cik_sdma_fence_ring_emit(struct radeon_device *rdev,
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struct radeon_fence *fence);
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void cik_sdma_semaphore_ring_emit(struct radeon_device *rdev,
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@ -1928,7 +1928,7 @@ static int rv770_startup(struct radeon_device *rdev)
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UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
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0, 0xfffff, RADEON_CP_PACKET2);
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if (!r)
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r = r600_uvd_init(rdev);
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r = r600_uvd_init(rdev, true);
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if (r)
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DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
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@ -6421,7 +6421,7 @@ static int si_startup(struct radeon_device *rdev)
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UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
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0, 0xfffff, RADEON_CP_PACKET2);
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if (!r)
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r = r600_uvd_init(rdev);
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r = r600_uvd_init(rdev, true);
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if (r)
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DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
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}
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