From: Alex Deucher <alexander.deuc...@amd.com>

Skip UVD handling on them.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/radeon/radeon.h |    1 +
 drivers/gpu/drm/radeon/si.c     |   72 ++++++++++++++++++++++++---------------
 2 files changed, 45 insertions(+), 28 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ec26d68..142ce6c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1694,6 +1694,7 @@ struct radeon_device {
        int num_crtc; /* number of crtcs */
        struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
        bool audio_enabled;
+       bool has_uvd;
        struct r600_audio audio_status; /* audio stuff */
        struct notifier_block acpi_nb;
        /* only one userspace can use Hyperz features or CMASK at a time */
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 798b8b3..4b07820 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2635,9 +2635,11 @@ static void si_gpu_init(struct radeon_device *rdev)
        WREG32(HDP_ADDR_CONFIG, gb_addr_config);
        WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
        WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
-       WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
-       WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
-       WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
+       if (rdev->has_uvd) {
+               WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
+               WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
+               WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
+       }

        si_tiling_mode_table_init(rdev);

@@ -5197,15 +5199,17 @@ static int si_startup(struct radeon_device *rdev)
                return r;
        }

-       r = rv770_uvd_resume(rdev);
-       if (!r) {
-               r = radeon_fence_driver_start_ring(rdev,
-                                                  R600_RING_TYPE_UVD_INDEX);
+       if (rdev->has_uvd) {
+               r = rv770_uvd_resume(rdev);
+               if (!r) {
+                       r = radeon_fence_driver_start_ring(rdev,
+                                                          
R600_RING_TYPE_UVD_INDEX);
+                       if (r)
+                               dev_err(rdev->dev, "UVD fences init error 
(%d).\n", r);
+               }
                if (r)
-                       dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
+                       rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
        }
-       if (r)
-               rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;

        /* Enable IRQ */
        r = si_irq_init(rdev);
@@ -5264,16 +5268,18 @@ static int si_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,
-                                    R600_WB_UVD_RPTR_OFFSET,
-                                    UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
-                                    0, 0xfffff, RADEON_CP_PACKET2);
-               if (!r)
-                       r = r600_uvd_init(rdev);
-               if (r)
-                       DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
+       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,
+                                            UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
+                                            0, 0xfffff, RADEON_CP_PACKET2);
+                       if (!r)
+                               r = r600_uvd_init(rdev);
+                       if (r)
+                               DRM_ERROR("radeon: failed initializing UVD 
(%d).\n", r);
+               }
        }

        r = radeon_ib_pool_init(rdev);
@@ -5322,8 +5328,10 @@ int si_suspend(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        si_cp_enable(rdev, false);
        cayman_dma_stop(rdev);
-       r600_uvd_rbc_stop(rdev);
-       radeon_uvd_suspend(rdev);
+       if (rdev->has_uvd) {
+               r600_uvd_rbc_stop(rdev);
+               radeon_uvd_suspend(rdev);
+       }
        si_irq_suspend(rdev);
        radeon_wb_disable(rdev);
        si_pcie_gart_disable(rdev);
@@ -5341,6 +5349,11 @@ int si_init(struct radeon_device *rdev)
        struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
        int r;

+       if (rdev->family == CHIP_HAINAN)
+               rdev->has_uvd = false;
+       else
+               rdev->has_uvd = true;
+
        /* Read BIOS */
        if (!radeon_get_bios(rdev)) {
                if (ASIC_IS_AVIVO(rdev))
@@ -5411,11 +5424,13 @@ int si_init(struct radeon_device *rdev)
        ring->ring_obj = NULL;
        r600_ring_init(rdev, ring, 64 * 1024);

-       r = radeon_uvd_init(rdev);
-       if (!r) {
-               ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
-               ring->ring_obj = NULL;
-               r600_ring_init(rdev, ring, 4096);
+       if (rdev->has_uvd) {
+               r = radeon_uvd_init(rdev);
+               if (!r) {
+                       ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+                       ring->ring_obj = NULL;
+                       r600_ring_init(rdev, ring, 4096);
+               }
        }

        rdev->ih.ring_obj = NULL;
@@ -5463,7 +5478,8 @@ void si_fini(struct radeon_device *rdev)
        radeon_vm_manager_fini(rdev);
        radeon_ib_pool_fini(rdev);
        radeon_irq_kms_fini(rdev);
-       radeon_uvd_fini(rdev);
+       if (rdev->has_uvd)
+               radeon_uvd_fini(rdev);
        si_pcie_gart_fini(rdev);
        r600_vram_scratch_fini(rdev);
        radeon_gem_fini(rdev);
-- 
1.7.7.5

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