From fa25c22e8fd52dbf97552ab4cdfe30206d9948dd Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9rome=20Glisse?= Date: Fri, 18 Mar 2016 16:58:30 +0100 Subject: [PATCH] drm/radeon: consolidate si uvd initialization and startup code. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This match the exact same control flow as existing code. It just use goto instead of multiple levels of if/else. It also clarify early initialization failures by clearing rdev->has_uvd doing so does not change end result from hardware point of view, it only avoids printing more error messages down the line and thus only the original error is reported. Acked-by: Christian König Signed-off-by: Jérôme Glisse Cc: Alex Deucher Cc: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/si.c | 100 +++++++++++++++++++++++++----------- 1 file changed, 70 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index ae21550fe767..6804e7ea3bb5 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6821,6 +6821,73 @@ restart_ih: /* * startup/shutdown callbacks */ +static void si_uvd_init(struct radeon_device *rdev) +{ + int r; + + if (!rdev->has_uvd) + return; + + r = radeon_uvd_init(rdev); + if (r) { + dev_err(rdev->dev, "failed UVD (%d) init.\n", r); + /* + * At this point rdev->uvd.vcpu_bo is NULL which trickles down + * to early fails uvd_v2_2_resume() and thus nothing happens + * there. So it is pointless to try to go through that code + * hence why we disable uvd here. + */ + rdev->has_uvd = 0; + return; + } + rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL; + r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096); +} + +static void si_uvd_start(struct radeon_device *rdev) +{ + int r; + + if (!rdev->has_uvd) + return; + + r = uvd_v2_2_resume(rdev); + if (r) { + dev_err(rdev->dev, "failed UVD resume (%d).\n", r); + goto error; + } + 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); + goto error; + } + return; + +error: + rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0; +} + +static void si_uvd_resume(struct radeon_device *rdev) +{ + struct radeon_ring *ring; + int r; + + if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size) + return; + + ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; + r = radeon_ring_init(rdev, ring, ring->ring_size, 0, RADEON_CP_PACKET2); + if (r) { + dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r); + return; + } + r = uvd_v1_0_init(rdev); + if (r) { + dev_err(rdev->dev, "failed initializing UVD (%d).\n", r); + return; + } +} + static int si_startup(struct radeon_device *rdev) { struct radeon_ring *ring; @@ -6899,17 +6966,7 @@ static int si_startup(struct radeon_device *rdev) return r; } - if (rdev->has_uvd) { - r = uvd_v2_2_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) - rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0; - } + si_uvd_start(rdev); r = radeon_vce_resume(rdev); if (!r) { @@ -6983,17 +7040,7 @@ static int si_startup(struct radeon_device *rdev) if (r) return 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, 0, - RADEON_CP_PACKET2); - if (!r) - r = uvd_v1_0_init(rdev); - if (r) - DRM_ERROR("radeon: failed initializing UVD (%d).\n", r); - } - } + si_uvd_resume(rdev); r = -ENOENT; @@ -7169,14 +7216,7 @@ int si_init(struct radeon_device *rdev) ring->ring_obj = NULL; r600_ring_init(rdev, ring, 64 * 1024); - 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); - } - } + si_uvd_init(rdev); r = radeon_vce_init(rdev); if (!r) { -- 2.39.5