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drm/amdgpu: move mec queue helpers to amdgpu_gfx.h
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They are gfx related, not general helpers.

Reviewed-by: Alex Xie <AlexBin.Xie@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Alex Deucher committed Jun 7, 2017
1 parent ee04fac commit 2db0cdb
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Showing 6 changed files with 40 additions and 39 deletions.
30 changes: 0 additions & 30 deletions drivers/gpu/drm/amd/amdgpu/amdgpu.h
Original file line number Diff line number Diff line change
Expand Up @@ -1831,36 +1831,6 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
return NULL;
}

static inline int amdgpu_queue_to_bit(struct amdgpu_device *adev,
int mec, int pipe, int queue)
{
int bit = 0;

bit += mec * adev->gfx.mec.num_pipe_per_mec
* adev->gfx.mec.num_queue_per_pipe;
bit += pipe * adev->gfx.mec.num_queue_per_pipe;
bit += queue;

return bit;
}

static inline void amdgpu_bit_to_queue(struct amdgpu_device *adev, int bit,
int *mec, int *pipe, int *queue)
{
*queue = bit % adev->gfx.mec.num_queue_per_pipe;
*pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
% adev->gfx.mec.num_pipe_per_mec;
*mec = (bit / adev->gfx.mec.num_queue_per_pipe)
/ adev->gfx.mec.num_pipe_per_mec;

}
static inline bool amdgpu_is_mec_queue_enabled(struct amdgpu_device *adev,
int mec, int pipe, int queue)
{
return test_bit(amdgpu_queue_to_bit(adev, mec, pipe, queue),
adev->gfx.mec.queue_bitmap);
}

/*
* ASICs macro.
*/
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9 changes: 5 additions & 4 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
#include "amd_shared.h"
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_gfx.h"
#include <linux/module.h>

const struct kfd2kgd_calls *kfd2kgd;
Expand Down Expand Up @@ -113,10 +114,10 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)

/* remove the KIQ bit as well */
if (adev->gfx.kiq.ring.ready)
clear_bit(amdgpu_queue_to_bit(adev,
adev->gfx.kiq.ring.me - 1,
adev->gfx.kiq.ring.pipe,
adev->gfx.kiq.ring.queue),
clear_bit(amdgpu_gfx_queue_to_bit(adev,
adev->gfx.kiq.ring.me - 1,
adev->gfx.kiq.ring.pipe,
adev->gfx.kiq.ring.queue),
gpu_resources.queue_bitmap);

/* According to linux/bitmap.h we shouldn't use bitmap_clear if
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30 changes: 30 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
Original file line number Diff line number Diff line change
Expand Up @@ -45,4 +45,34 @@ static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
return (u32)((1ULL << bit_width) - 1);
}

static inline int amdgpu_gfx_queue_to_bit(struct amdgpu_device *adev,
int mec, int pipe, int queue)
{
int bit = 0;

bit += mec * adev->gfx.mec.num_pipe_per_mec
* adev->gfx.mec.num_queue_per_pipe;
bit += pipe * adev->gfx.mec.num_queue_per_pipe;
bit += queue;

return bit;
}

static inline void amdgpu_gfx_bit_to_queue(struct amdgpu_device *adev, int bit,
int *mec, int *pipe, int *queue)
{
*queue = bit % adev->gfx.mec.num_queue_per_pipe;
*pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
% adev->gfx.mec.num_pipe_per_mec;
*mec = (bit / adev->gfx.mec.num_queue_per_pipe)
/ adev->gfx.mec.num_pipe_per_mec;

}
static inline bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev,
int mec, int pipe, int queue)
{
return test_bit(amdgpu_gfx_queue_to_bit(adev, mec, pipe, queue),
adev->gfx.mec.queue_bitmap);
}

#endif
2 changes: 1 addition & 1 deletion drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -4776,7 +4776,7 @@ static int gfx_v7_0_sw_init(void *handle)
for (i = 0; i < adev->gfx.mec.num_mec; ++i) {
for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) {
for (k = 0; k < adev->gfx.mec.num_pipe_per_mec; k++) {
if (!amdgpu_is_mec_queue_enabled(adev, i, k, j))
if (!amdgpu_gfx_is_mec_queue_enabled(adev, i, k, j))
continue;

r = gfx_v7_0_compute_ring_init(adev,
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4 changes: 2 additions & 2 deletions drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -1393,7 +1393,7 @@ static int gfx_v8_0_kiq_acquire(struct amdgpu_device *adev,
if (test_bit(queue_bit, adev->gfx.mec.queue_bitmap))
continue;

amdgpu_bit_to_queue(adev, queue_bit, &mec, &pipe, &queue);
amdgpu_gfx_bit_to_queue(adev, queue_bit, &mec, &pipe, &queue);

/* Using pipes 2/3 from MEC 2 seems cause problems */
if (mec == 1 && pipe > 1)
Expand Down Expand Up @@ -2178,7 +2178,7 @@ static int gfx_v8_0_sw_init(void *handle)
for (i = 0; i < adev->gfx.mec.num_mec; ++i) {
for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) {
for (k = 0; k < adev->gfx.mec.num_pipe_per_mec; k++) {
if (!amdgpu_is_mec_queue_enabled(adev, i, k, j))
if (!amdgpu_gfx_is_mec_queue_enabled(adev, i, k, j))
continue;

r = gfx_v8_0_compute_ring_init(adev,
Expand Down
4 changes: 2 additions & 2 deletions drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -1015,7 +1015,7 @@ static int gfx_v9_0_kiq_acquire(struct amdgpu_device *adev,
if (test_bit(queue_bit, adev->gfx.mec.queue_bitmap))
continue;

amdgpu_bit_to_queue(adev, queue_bit, &mec, &pipe, &queue);
amdgpu_gfx_bit_to_queue(adev, queue_bit, &mec, &pipe, &queue);

/* Using pipes 2/3 from MEC 2 seems cause problems */
if (mec == 1 && pipe > 1)
Expand Down Expand Up @@ -1556,7 +1556,7 @@ static int gfx_v9_0_sw_init(void *handle)
for (i = 0; i < adev->gfx.mec.num_mec; ++i) {
for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) {
for (k = 0; k < adev->gfx.mec.num_pipe_per_mec; k++) {
if (!amdgpu_is_mec_queue_enabled(adev, i, k, j))
if (!amdgpu_gfx_is_mec_queue_enabled(adev, i, k, j))
continue;

r = gfx_v9_0_compute_ring_init(adev,
Expand Down

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