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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 653f2bc775306..23cfce5aa1fce 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -139,6 +139,7 @@ enum AMDGPU_DEBUG_MASK {
AMDGPU_DEBUG_ENABLE_RAS_ACA = BIT(4),
AMDGPU_DEBUG_ENABLE_EXP_RESETS = BIT(5),
AMDGPU_DEBUG_DISABLE_GPU_RING_RESET = BIT(6),
+ AMDGPU_DEBUG_SMU_POOL = BIT(7),
};
unsigned int amdgpu_vram_limit = UINT_MAX;
@@ -176,6 +177,7 @@ uint amdgpu_sdma_phase_quantum = 32;
char *amdgpu_disable_cu;
char *amdgpu_virtual_display;
bool enforce_isolation;
+int amdgpu_modeset = -1;
/* Specifies the default granularity for SVM, used in buffer
* migration and restoration of backing memory when handling
@@ -1038,6 +1040,13 @@ module_param(enforce_isolation, bool, 0444);
MODULE_PARM_DESC(enforce_isolation, "enforce process isolation between graphics and compute . enforce_isolation = on");
/**
+ * DOC: modeset (int)
+ * Override nomodeset (1 = override, -1 = auto). The default is -1 (auto).
+ */
+MODULE_PARM_DESC(modeset, "Override nomodeset (1 = enable, -1 = auto)");
+module_param_named(modeset, amdgpu_modeset, int, 0444);
+
+/**
* DOC: seamless (int)
* Seamless boot will keep the image on the screen during the boot process.
*/
@@ -1053,6 +1062,11 @@ module_param_named(seamless, amdgpu_seamless, int, 0444);
* limits the VRAM size reported to ROCm applications to the visible
* size, usually 256MB.
* - 0x4: Disable GPU soft recovery, always do a full reset
+ * - 0x8: Use VRAM for firmware loading
+ * - 0x10: Enable ACA based RAS logging
+ * - 0x20: Enable experimental resets
+ * - 0x40: Disable ring resets
+ * - 0x80: Use VRAM for SMU pool
*/
MODULE_PARM_DESC(debug_mask, "debug options for amdgpu, disabled by default");
module_param_named_unsafe(debug_mask, amdgpu_debug_mask, uint, 0444);
@@ -2230,6 +2244,10 @@ static void amdgpu_init_debug_options(struct amdgpu_device *adev)
pr_info("debug: ring reset disabled\n");
adev->debug_disable_gpu_ring_reset = true;
}
+ if (amdgpu_debug_mask & AMDGPU_DEBUG_SMU_POOL) {
+ pr_info("debug: use vram for smu pool\n");
+ adev->pm.smu_debug_mask |= SMU_DEBUG_POOL_USE_VRAM;
+ }
}
static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long flags)
@@ -2257,6 +2275,12 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
int ret, retry = 0, i;
bool supports_atomic = false;
+ if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA ||
+ (pdev->class >> 8) == PCI_CLASS_DISPLAY_OTHER) {
+ if (drm_firmware_drivers_only() && amdgpu_modeset == -1)
+ return -EINVAL;
+ }
+
/* skip devices which are owned by radeon */
for (i = 0; i < ARRAY_SIZE(amdgpu_unsupported_pciidlist); i++) {
if (amdgpu_unsupported_pciidlist[i] == pdev->device)
@@ -2990,9 +3014,6 @@ static int __init amdgpu_init(void)
{
int r;
- if (drm_firmware_drivers_only())
- return -EINVAL;
-
r = amdgpu_sync_init();
if (r)
goto error_sync;