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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c259
1 files changed, 241 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 612117478b57..8f037e5e08fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -59,6 +59,8 @@ static const char *amdgpu_asic_name[] = {
"FIJI",
"CARRIZO",
"STONEY",
+ "POLARIS10",
+ "POLARIS11",
"LAST",
};
@@ -942,15 +944,11 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
}
if (amdgpu_gart_size != -1) {
- /* gtt size must be power of two and greater or equal to 32M */
+ /* gtt size must be greater or equal to 32M */
if (amdgpu_gart_size < 32) {
dev_warn(adev->dev, "gart size (%d) too small\n",
amdgpu_gart_size);
amdgpu_gart_size = -1;
- } else if (!amdgpu_check_pot_argument(amdgpu_gart_size)) {
- dev_warn(adev->dev, "gart size (%d) must be a power of 2\n",
- amdgpu_gart_size);
- amdgpu_gart_size = -1;
}
}
@@ -1150,6 +1148,8 @@ static int amdgpu_early_init(struct amdgpu_device *adev)
case CHIP_TOPAZ:
case CHIP_TONGA:
case CHIP_FIJI:
+ case CHIP_POLARIS11:
+ case CHIP_POLARIS10:
case CHIP_CARRIZO:
case CHIP_STONEY:
if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY)
@@ -1338,14 +1338,23 @@ static int amdgpu_suspend(struct amdgpu_device *adev)
{
int i, r;
+ /* ungate SMC block first */
+ r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
+ AMD_CG_STATE_UNGATE);
+ if (r) {
+ DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r);
+ }
+
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_block_status[i].valid)
continue;
/* ungate blocks so that suspend can properly shut them down */
- r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
- AMD_CG_STATE_UNGATE);
- if (r) {
- DRM_ERROR("set_clockgating_state(ungate) %d failed %d\n", i, r);
+ if (i != AMD_IP_BLOCK_TYPE_SMC) {
+ r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
+ AMD_CG_STATE_UNGATE);
+ if (r) {
+ DRM_ERROR("set_clockgating_state(ungate) %d failed %d\n", i, r);
+ }
}
/* XXX handle errors */
r = adev->ip_blocks[i].funcs->suspend(adev);
@@ -2013,7 +2022,7 @@ void amdgpu_get_pcie_info(struct amdgpu_device *adev)
* Debugfs
*/
int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
- struct drm_info_list *files,
+ const struct drm_info_list *files,
unsigned nfiles)
{
unsigned i;
@@ -2125,32 +2134,246 @@ static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf,
return result;
}
+static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ uint32_t value;
+
+ value = RREG32_PCIE(*pos >> 2);
+ r = put_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ return result;
+}
+
+static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ uint32_t value;
+
+ r = get_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ WREG32_PCIE(*pos >> 2, value);
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ return result;
+}
+
+static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ uint32_t value;
+
+ value = RREG32_DIDT(*pos >> 2);
+ r = put_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ return result;
+}
+
+static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ uint32_t value;
+
+ r = get_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ WREG32_DIDT(*pos >> 2, value);
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ return result;
+}
+
+static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ uint32_t value;
+
+ value = RREG32_SMC(*pos >> 2);
+ r = put_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ return result;
+}
+
+static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ uint32_t value;
+
+ r = get_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ WREG32_SMC(*pos >> 2, value);
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ return result;
+}
+
static const struct file_operations amdgpu_debugfs_regs_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_regs_read,
.write = amdgpu_debugfs_regs_write,
.llseek = default_llseek
};
+static const struct file_operations amdgpu_debugfs_regs_didt_fops = {
+ .owner = THIS_MODULE,
+ .read = amdgpu_debugfs_regs_didt_read,
+ .write = amdgpu_debugfs_regs_didt_write,
+ .llseek = default_llseek
+};
+static const struct file_operations amdgpu_debugfs_regs_pcie_fops = {
+ .owner = THIS_MODULE,
+ .read = amdgpu_debugfs_regs_pcie_read,
+ .write = amdgpu_debugfs_regs_pcie_write,
+ .llseek = default_llseek
+};
+static const struct file_operations amdgpu_debugfs_regs_smc_fops = {
+ .owner = THIS_MODULE,
+ .read = amdgpu_debugfs_regs_smc_read,
+ .write = amdgpu_debugfs_regs_smc_write,
+ .llseek = default_llseek
+};
+
+static const struct file_operations *debugfs_regs[] = {
+ &amdgpu_debugfs_regs_fops,
+ &amdgpu_debugfs_regs_didt_fops,
+ &amdgpu_debugfs_regs_pcie_fops,
+ &amdgpu_debugfs_regs_smc_fops,
+};
+
+static const char *debugfs_regs_names[] = {
+ "amdgpu_regs",
+ "amdgpu_regs_didt",
+ "amdgpu_regs_pcie",
+ "amdgpu_regs_smc",
+};
static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
{
struct drm_minor *minor = adev->ddev->primary;
struct dentry *ent, *root = minor->debugfs_root;
+ unsigned i, j;
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
+ ent = debugfs_create_file(debugfs_regs_names[i],
+ S_IFREG | S_IRUGO, root,
+ adev, debugfs_regs[i]);
+ if (IS_ERR(ent)) {
+ for (j = 0; j < i; j++) {
+ debugfs_remove(adev->debugfs_regs[i]);
+ adev->debugfs_regs[i] = NULL;
+ }
+ return PTR_ERR(ent);
+ }
- ent = debugfs_create_file("amdgpu_regs", S_IFREG | S_IRUGO, root,
- adev, &amdgpu_debugfs_regs_fops);
- if (IS_ERR(ent))
- return PTR_ERR(ent);
- i_size_write(ent->d_inode, adev->rmmio_size);
- adev->debugfs_regs = ent;
+ if (!i)
+ i_size_write(ent->d_inode, adev->rmmio_size);
+ adev->debugfs_regs[i] = ent;
+ }
return 0;
}
static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev)
{
- debugfs_remove(adev->debugfs_regs);
- adev->debugfs_regs = NULL;
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
+ if (adev->debugfs_regs[i]) {
+ debugfs_remove(adev->debugfs_regs[i]);
+ adev->debugfs_regs[i] = NULL;
+ }
+ }
}
int amdgpu_debugfs_init(struct drm_minor *minor)
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-03-30 10:29:01 +0000