diff options
author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-08-01 15:54:52 +0200 |
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committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-08-01 16:04:00 +0200 |
commit | 9cf26c8968b358bb14cc078f8153300a493613d4 (patch) | |
tree | cb560226137022539f1ddaa9292f64a35ea5f736 /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
parent | d4a3e50ffd9084e3eafb318e95ca91b5895a6e62 (diff) | |
parent | 2bc7ea71a73747a77e7f83bc085b0d2393235410 (diff) | |
download | linux-9cf26c8968b358bb14cc078f8153300a493613d4.tar.bz2 |
Merge drm/drm-next into drm-misc-next
Backmerging to pick up fixes from amdgpu.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 156 |
1 files changed, 89 insertions, 67 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index f3ac7912c29c..e2eec985adb3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -383,12 +383,8 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, value = RREG32_PCIE(*pos); r = put_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return r; - } + if (r) + goto out; result += 4; buf += 4; @@ -396,11 +392,12 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return result; + return r; } /** @@ -441,12 +438,8 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user uint32_t value; r = get_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return r; - } + if (r) + goto out; WREG32_PCIE(*pos, value); @@ -456,11 +449,12 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return result; + return r; } /** @@ -502,12 +496,8 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, value = RREG32_DIDT(*pos >> 2); r = put_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return r; - } + if (r) + goto out; result += 4; buf += 4; @@ -515,11 +505,12 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return result; + return r; } /** @@ -560,12 +551,8 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user uint32_t value; r = get_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return r; - } + if (r) + goto out; WREG32_DIDT(*pos >> 2, value); @@ -575,11 +562,12 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return result; + return r; } /** @@ -621,12 +609,8 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, value = RREG32_SMC(*pos); r = put_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return r; - } + if (r) + goto out; result += 4; buf += 4; @@ -634,11 +618,12 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return result; + return r; } /** @@ -679,12 +664,8 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * uint32_t value; r = get_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return r; - } + if (r) + goto out; WREG32_SMC(*pos, value); @@ -694,11 +675,12 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - amdgpu_virt_disable_access_debugfs(adev); - return result; + return r; } /** @@ -1090,11 +1072,8 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu uint32_t value; r = get_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return r; - } + if (r) + goto out; amdgpu_gfx_off_ctrl(adev, value ? true : false); @@ -1104,10 +1083,12 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return result; + return r; } @@ -1136,21 +1117,52 @@ static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf, } while (size) { - uint32_t value; + u32 value = adev->gfx.gfx_off_state; + + r = put_user(value, (u32 *)buf); + if (r) + goto out; + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + r = result; +out: + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return r; +} + +static ssize_t amdgpu_debugfs_gfxoff_status_read(struct file *f, 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_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + while (size) { + u32 value; r = amdgpu_get_gfx_off_status(adev, &value); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return r; - } + if (r) + goto out; - r = put_user(value, (uint32_t *)buf); - if (r) { - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return r; - } + r = put_user(value, (u32 *)buf); + if (r) + goto out; result += 4; buf += 4; @@ -1158,10 +1170,12 @@ static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf, size -= 4; } + r = result; +out: pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return result; + return r; } static const struct file_operations amdgpu_debugfs_regs2_fops = { @@ -1229,6 +1243,12 @@ static const struct file_operations amdgpu_debugfs_gfxoff_fops = { .llseek = default_llseek }; +static const struct file_operations amdgpu_debugfs_gfxoff_status_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_gfxoff_status_read, + .llseek = default_llseek +}; + static const struct file_operations *debugfs_regs[] = { &amdgpu_debugfs_regs_fops, &amdgpu_debugfs_regs2_fops, @@ -1240,6 +1260,7 @@ static const struct file_operations *debugfs_regs[] = { &amdgpu_debugfs_wave_fops, &amdgpu_debugfs_gpr_fops, &amdgpu_debugfs_gfxoff_fops, + &amdgpu_debugfs_gfxoff_status_fops, }; static const char *debugfs_regs_names[] = { @@ -1253,6 +1274,7 @@ static const char *debugfs_regs_names[] = { "amdgpu_wave", "amdgpu_gpr", "amdgpu_gfxoff", + "amdgpu_gfxoff_status", }; /** |