[PATCH v2 1/2] drm/amd: Detect IFWI or PD upgrade support in psp_early_init()

[Mario Limonciello]

Rather than evaluating the IP version for visibility, evaluate it
at the same time as the IP is initialized.

Suggested-by: Lijo Lazar <lijo.la...@amd.com>
Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
---
v1->v2:
 * Move to psp_context
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 45 ++++++++++++++-----------
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h |  4 +++
 2 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 6929fefb26cfb..270b5b5a3a6d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -177,9 +177,11 @@ static int psp_early_init(void *handle)
                psp->autoload_supported = false;
                break;
        case IP_VERSION(11, 0, 0):
+       case IP_VERSION(11, 0, 7):
+               adev->psp.sup_pd_fw_up = !amdgpu_sriov_vf(adev);
+               fallthrough;
        case IP_VERSION(11, 0, 5):
        case IP_VERSION(11, 0, 9):
-       case IP_VERSION(11, 0, 7):
        case IP_VERSION(11, 0, 11):
        case IP_VERSION(11, 5, 0):
        case IP_VERSION(11, 0, 12):
@@ -214,6 +216,7 @@ static int psp_early_init(void *handle)
        case IP_VERSION(13, 0, 7):
                psp_v13_0_set_psp_funcs(psp);
                psp->autoload_supported = true;
+               adev->psp.sup_ifwi_up = !amdgpu_sriov_vf(adev);
                break;
        case IP_VERSION(13, 0, 4):
                psp_v13_0_4_set_psp_funcs(psp);
@@ -3704,9 +3707,13 @@ static ssize_t amdgpu_psp_vbflash_status(struct device 
*dev,
 }
 static DEVICE_ATTR(psp_vbflash_status, 0440, amdgpu_psp_vbflash_status, NULL);
 
+static struct bin_attribute *bin_flash_attrs[] = {
+       &psp_vbflash_bin_attr,
+       NULL
+};
+
 static struct attribute *flash_attrs[] = {
        &dev_attr_psp_vbflash_status.attr,
-       &psp_vbflash_bin_attr.attr,
        &dev_attr_usbc_pd_fw.attr,
        NULL
 };
@@ -3717,29 +3724,27 @@ static umode_t amdgpu_flash_attr_is_visible(struct 
kobject *kobj, struct attribu
        struct drm_device *ddev = dev_get_drvdata(dev);
        struct amdgpu_device *adev = drm_to_adev(ddev);
 
-       if (amdgpu_sriov_vf(adev))
-               return 0;
+       if (attr == &dev_attr_usbc_pd_fw.attr)
+               return adev->psp.sup_pd_fw_up ? 0660 : 0;
 
-       switch (adev->ip_versions[MP0_HWIP][0]) {
-       case IP_VERSION(11, 0, 0):
-       case IP_VERSION(11, 0, 7):
-               if (attr == &dev_attr_usbc_pd_fw.attr)
-                       return 0660;
-               return 0;
-       case IP_VERSION(13, 0, 0):
-       case IP_VERSION(13, 0, 7):
-               if (attr == &dev_attr_usbc_pd_fw.attr)
-                       return 0;
-               else if (attr == &psp_vbflash_bin_attr.attr)
-                       return 0660;
-               return 0440;
-       default:
-               return 0;
-       }
+       return adev->psp.sup_ifwi_up ? 0440 : 0;
+}
+
+static umode_t amdgpu_bin_flash_attr_is_visible(struct kobject *kobj,
+                                               struct bin_attribute *attr,
+                                               int idx)
+{
+       struct device *dev = kobj_to_dev(kobj);
+       struct drm_device *ddev = dev_get_drvdata(dev);
+       struct amdgpu_device *adev = drm_to_adev(ddev);
+
+       return adev->psp.sup_ifwi_up ? 0660 : 0;
 }
 
 const struct attribute_group amdgpu_flash_attr_group = {
        .attrs = flash_attrs,
+       .bin_attrs = bin_flash_attrs,
+       .is_bin_visible = amdgpu_bin_flash_attr_is_visible,
        .is_visible = amdgpu_flash_attr_is_visible,
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 4847aacdf9dca..e176cf204202f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -384,6 +384,10 @@ struct psp_context
 
        uint32_t                        boot_cfg_bitmask;
 
+       /* firmware upgrades supported */
+       bool                            sup_pd_fw_up;
+       bool                            sup_ifwi_up;
+
        char *vbflash_tmp_buf;
        size_t vbflash_image_size;
        bool vbflash_done;
-- 
2.34.1