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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c53
1 files changed, 47 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 86ca80da9eea..b63ed1ddf713 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -31,7 +31,6 @@
#include "amdgpu_drv.h"
#include <drm/drm_pciids.h>
-#include <linux/console.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
@@ -39,6 +38,7 @@
#include <linux/mmu_notifier.h>
#include <linux/suspend.h>
#include <linux/cc_platform.h>
+#include <linux/fb.h>
#include "amdgpu.h"
#include "amdgpu_irq.h"
@@ -314,9 +314,12 @@ module_param_named(dpm, amdgpu_dpm, int, 0444);
/**
* DOC: fw_load_type (int)
- * Set different firmware loading type for debugging (0 = direct, 1 = SMU, 2 = PSP). The default is -1 (auto).
+ * Set different firmware loading type for debugging, if supported.
+ * Set to 0 to force direct loading if supported by the ASIC. Set
+ * to -1 to select the default loading mode for the ASIC, as defined
+ * by the driver. The default is -1 (auto).
*/
-MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = direct, 1 = SMU, 2 = PSP, -1 = auto)");
+MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = force direct if supported, -1 = auto)");
module_param_named(fw_load_type, amdgpu_fw_load_type, int, 0444);
/**
@@ -1890,6 +1893,26 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
static const struct drm_driver amdgpu_kms_driver;
+static bool amdgpu_is_fw_framebuffer(resource_size_t base,
+ resource_size_t size)
+{
+ bool found = false;
+#if IS_REACHABLE(CONFIG_FB)
+ struct apertures_struct *a;
+
+ a = alloc_apertures(1);
+ if (!a)
+ return false;
+
+ a->ranges[0].base = base;
+ a->ranges[0].size = size;
+
+ found = is_firmware_framebuffer(a);
+ kfree(a);
+#endif
+ return found;
+}
+
static int amdgpu_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@@ -1898,6 +1921,8 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
unsigned long flags = ent->driver_data;
int ret, retry = 0, i;
bool supports_atomic = false;
+ bool is_fw_fb;
+ resource_size_t base, size;
/* skip devices which are owned by radeon */
for (i = 0; i < ARRAY_SIZE(amdgpu_unsupported_pciidlist); i++) {
@@ -1966,6 +1991,10 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
}
#endif
+ base = pci_resource_start(pdev, 0);
+ size = pci_resource_len(pdev, 0);
+ is_fw_fb = amdgpu_is_fw_framebuffer(base, size);
+
/* Get rid of things like offb */
ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &amdgpu_kms_driver);
if (ret)
@@ -1978,6 +2007,7 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
adev->dev = &pdev->dev;
adev->pdev = pdev;
ddev = adev_to_drm(adev);
+ adev->is_fw_fb = is_fw_fb;
if (!supports_atomic)
ddev->driver_features &= ~DRIVER_ATOMIC;
@@ -2003,6 +2033,19 @@ retry_init:
goto err_pci;
}
+ /*
+ * 1. don't init fbdev on hw without DCE
+ * 2. don't init fbdev if there are no connectors
+ */
+ if (adev->mode_info.mode_config_initialized &&
+ !list_empty(&adev_to_drm(adev)->mode_config.connector_list)) {
+ /* select 8 bpp console on low vram cards */
+ if (adev->gmc.real_vram_size <= (32*1024*1024))
+ drm_fbdev_generic_setup(adev_to_drm(adev), 8);
+ else
+ drm_fbdev_generic_setup(adev_to_drm(adev), 32);
+ }
+
ret = amdgpu_debugfs_init(adev);
if (ret)
DRM_ERROR("Creating debugfs files failed (%d).\n", ret);
@@ -2535,10 +2578,8 @@ static int __init amdgpu_init(void)
{
int r;
- if (vgacon_text_force()) {
- DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
+ if (drm_firmware_drivers_only())
return -EINVAL;
- }
r = amdgpu_sync_init();
if (r)