diff options
author | Jammy Zhou <Jammy.Zhou@amd.com> | 2015-09-01 13:04:08 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2015-09-02 12:24:43 -0400 |
commit | edff0e2826412be38f0c7977cbf89262141aad87 (patch) | |
tree | 8f6272e27b1e7f13ed7d65355b50515fdeaea33f /drivers/gpu | |
parent | 4b2f7e2ca94d58ea16e411a1f717392b91f7730a (diff) | |
download | linux-edff0e2826412be38f0c7977cbf89262141aad87.tar.bz2 |
drm/amdgpu: add insert_nop ring func and default implementation
The insert_nop function is added to amdgpu_ring_funcs structure as
well as the default implementation
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 24 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 1 |
12 files changed, 36 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 057e7ef5c0d0..668939a14206 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -343,6 +343,8 @@ struct amdgpu_ring_funcs { int (*test_ring)(struct amdgpu_ring *ring); int (*test_ib)(struct amdgpu_ring *ring); bool (*is_lockup)(struct amdgpu_ring *ring); + /* insert NOP packets */ + void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count); }; /* @@ -1217,6 +1219,7 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev); void amdgpu_ring_free_size(struct amdgpu_ring *ring); int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw); int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw); +void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count); void amdgpu_ring_commit(struct amdgpu_ring *ring); void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring); void amdgpu_ring_undo(struct amdgpu_ring *ring); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 7d442c51063e..9bec91484c24 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -131,6 +131,21 @@ int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw) return 0; } +/** amdgpu_ring_insert_nop - insert NOP packets + * + * @ring: amdgpu_ring structure holding ring information + * @count: the number of NOP packets to insert + * + * This is the generic insert_nop function for rings except SDMA + */ +void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) +{ + int i; + + for (i = 0; i < count; i++) + amdgpu_ring_write(ring, ring->nop); +} + /** * amdgpu_ring_commit - tell the GPU to execute the new * commands on the ring buffer @@ -143,10 +158,13 @@ int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw) */ void amdgpu_ring_commit(struct amdgpu_ring *ring) { + uint32_t count; + /* We pad to match fetch size */ - while (ring->wptr & ring->align_mask) { - amdgpu_ring_write(ring, ring->nop); - } + count = ring->align_mask + 1 - (ring->wptr & ring->align_mask); + count %= ring->align_mask + 1; + ring->funcs->insert_nop(ring, count); + mb(); amdgpu_ring_set_wptr(ring); } diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index cc909c9cee63..f0661b269a63 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -1305,6 +1305,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = { .test_ring = cik_sdma_ring_test_ring, .test_ib = cik_sdma_ring_test_ib, .is_lockup = cik_sdma_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index fab7b236f37f..517a68f82ec3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -5598,6 +5598,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { .test_ring = gfx_v7_0_ring_test_ring, .test_ib = gfx_v7_0_ring_test_ib, .is_lockup = gfx_v7_0_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { @@ -5614,6 +5615,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { .test_ring = gfx_v7_0_ring_test_ring, .test_ib = gfx_v7_0_ring_test_ib, .is_lockup = gfx_v7_0_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void gfx_v7_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 818edb37fa9c..956a35822f86 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4378,6 +4378,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = { .test_ring = gfx_v8_0_ring_test_ring, .test_ib = gfx_v8_0_ring_test_ib, .is_lockup = gfx_v8_0_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { @@ -4394,6 +4395,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { .test_ring = gfx_v8_0_ring_test_ring, .test_ib = gfx_v8_0_ring_test_ib, .is_lockup = gfx_v8_0_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void gfx_v8_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 2457bf3e3a1e..1b913bce2599 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -1316,6 +1316,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { .test_ring = sdma_v2_4_ring_test_ring, .test_ib = sdma_v2_4_ring_test_ib, .is_lockup = sdma_v2_4_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 70b2f03c5712..a7550a8f5d84 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -1440,6 +1440,7 @@ static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = { .test_ring = sdma_v3_0_ring_test_ring, .test_ib = sdma_v3_0_ring_test_ib, .is_lockup = sdma_v3_0_ring_is_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index 9ac383bc6c1f..5fac5da694f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -886,6 +886,7 @@ static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = { .test_ring = uvd_v4_2_ring_test_ring, .test_ib = uvd_v4_2_ring_test_ib, .is_lockup = amdgpu_ring_test_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index de4b3f57902d..2d5c59c318af 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -825,6 +825,7 @@ static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { .test_ring = uvd_v5_0_ring_test_ring, .test_ib = uvd_v5_0_ring_test_ib, .is_lockup = amdgpu_ring_test_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 66c975870e97..d9f553fce531 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -805,6 +805,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_funcs = { .test_ring = uvd_v6_0_ring_test_ring, .test_ib = uvd_v6_0_ring_test_ib, .is_lockup = amdgpu_ring_test_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c index 303d961d57bd..cd16df543f64 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c @@ -643,6 +643,7 @@ static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = { .test_ring = amdgpu_vce_ring_test_ring, .test_ib = amdgpu_vce_ring_test_ib, .is_lockup = amdgpu_ring_test_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index 4349658081ff..5642b8eb92ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -608,6 +608,7 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = { .test_ring = amdgpu_vce_ring_test_ring, .test_ib = amdgpu_vce_ring_test_ib, .is_lockup = amdgpu_ring_test_lockup, + .insert_nop = amdgpu_ring_insert_nop, }; static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev) |