diff options
author | Dave Airlie <airlied@redhat.com> | 2020-02-28 15:40:26 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2020-02-28 15:40:26 +1000 |
commit | a2ae604da74dcf9ae674d3c03efad80574952800 (patch) | |
tree | 0e232e6cbb76c0bc48d315d5d8269de108acceef /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
parent | 4825b61a3d39eceef7db723808103aa60fc24520 (diff) | |
parent | c6385e503aeaf99511bc5f67c4cdf5d7926df45b (diff) |
Merge tag 'amd-drm-next-5.7-2020-02-26' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.7-2020-02-26:
amdgpu:
- Rework VM update handling in preparation for HMM support
- HDCP srm support
- PSR fixes
- DC watermark fixes
- OLED panel support
- SR-IOV fixes
- BACO fixes
- Optimize debugging vram access
- RAS fixes
- Use BACO for runtime pm
- HDCP fixes
- XGMI fixes
- DDC fixes
- DC clock programming optimizations and fixes
- PSP fw loading sequence updates
- Drop DRIVER_USE_AGP
- Remove legacy drm load and unload callbacks
amdkfd:
- Add runtime pm support
radeon:
- Drop DRIVER_USE_AGP
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200227043142.4075-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 125 |
1 files changed, 123 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index f24ed9a1a3e56..3bb74056b9d20 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -31,6 +31,8 @@ #include <drm/drm_debugfs.h> #include "amdgpu.h" +#include "amdgpu_pm.h" +#include "amdgpu_dm_debugfs.h" /** * amdgpu_debugfs_add_files - Add simple debugfs entries @@ -840,6 +842,55 @@ err: return result; } +/** + * amdgpu_debugfs_regs_gfxoff_write - Enable/disable GFXOFF + * + * @f: open file handle + * @buf: User buffer to write data from + * @size: Number of bytes to write + * @pos: Offset to seek to + * + * Write a 32-bit zero to disable or a 32-bit non-zero to enable + */ +static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + r = pm_runtime_get_sync(adev->ddev->dev); + if (r < 0) + return r; + + while (size) { + uint32_t value; + + r = get_user(value, (uint32_t *)buf); + if (r) { + pm_runtime_mark_last_busy(adev->ddev->dev); + pm_runtime_put_autosuspend(adev->ddev->dev); + return r; + } + + amdgpu_gfx_off_ctrl(adev, value ? true : false); + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + pm_runtime_mark_last_busy(adev->ddev->dev); + pm_runtime_put_autosuspend(adev->ddev->dev); + + return result; +} + + static const struct file_operations amdgpu_debugfs_regs_fops = { .owner = THIS_MODULE, .read = amdgpu_debugfs_regs_read, @@ -888,6 +939,11 @@ static const struct file_operations amdgpu_debugfs_gpr_fops = { .llseek = default_llseek }; +static const struct file_operations amdgpu_debugfs_gfxoff_fops = { + .owner = THIS_MODULE, + .write = amdgpu_debugfs_gfxoff_write, +}; + static const struct file_operations *debugfs_regs[] = { &amdgpu_debugfs_regs_fops, &amdgpu_debugfs_regs_didt_fops, @@ -897,6 +953,7 @@ static const struct file_operations *debugfs_regs[] = { &amdgpu_debugfs_sensors_fops, &amdgpu_debugfs_wave_fops, &amdgpu_debugfs_gpr_fops, + &amdgpu_debugfs_gfxoff_fops, }; static const char *debugfs_regs_names[] = { @@ -908,6 +965,7 @@ static const char *debugfs_regs_names[] = { "amdgpu_sensors", "amdgpu_wave", "amdgpu_gpr", + "amdgpu_gfxoff", }; /** @@ -1216,6 +1274,8 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_ib_preempt, NULL, int amdgpu_debugfs_init(struct amdgpu_device *adev) { + int r, i; + adev->debugfs_preempt = debugfs_create_file("amdgpu_preempt_ib", 0600, adev->ddev->primary->debugfs_root, adev, @@ -1225,12 +1285,73 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) return -EIO; } + /* Register debugfs entries for amdgpu_ttm */ + r = amdgpu_ttm_debugfs_init(adev); + if (r) { + DRM_ERROR("Failed to init debugfs\n"); + return r; + } + + r = amdgpu_debugfs_pm_init(adev); + if (r) { + DRM_ERROR("Failed to register debugfs file for dpm!\n"); + return r; + } + + if (amdgpu_debugfs_sa_init(adev)) { + dev_err(adev->dev, "failed to register debugfs file for SA\n"); + } + + if (amdgpu_debugfs_fence_init(adev)) + dev_err(adev->dev, "fence debugfs file creation failed\n"); + + r = amdgpu_debugfs_gem_init(adev); + if (r) + DRM_ERROR("registering gem debugfs failed (%d).\n", r); + + r = amdgpu_debugfs_regs_init(adev); + if (r) + DRM_ERROR("registering register debugfs failed (%d).\n", r); + + r = amdgpu_debugfs_firmware_init(adev); + if (r) + DRM_ERROR("registering firmware debugfs failed (%d).\n", r); + +#if defined(CONFIG_DRM_AMD_DC) + if (amdgpu_device_has_dc_support(adev)) { + if (dtn_debugfs_init(adev)) + DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n"); + } +#endif + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring) + continue; + + if (amdgpu_debugfs_ring_init(adev, ring)) { + DRM_ERROR("Failed to register debugfs file for rings !\n"); + } + } + return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list, ARRAY_SIZE(amdgpu_debugfs_list)); } -void amdgpu_debugfs_preempt_cleanup(struct amdgpu_device *adev) +void amdgpu_debugfs_fini(struct amdgpu_device *adev) { + int i; + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring) + continue; + + amdgpu_debugfs_ring_fini(ring); + } + amdgpu_ttm_debugfs_fini(adev); debugfs_remove(adev->debugfs_preempt); } @@ -1239,7 +1360,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) { return 0; } -void amdgpu_debugfs_preempt_cleanup(struct amdgpu_device *adev) { } +void amdgpu_debugfs_fini(struct amdgpu_device *adev) { } int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) { return 0; |