Revert "drm/amdgpu: fix modprobe failure of the secondary GPU when GDDR6 training...

This reverts commit 9e441478623fd913d4340654682b19f0c24e629d.

The patch will be replaced with a better solution, revert it.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 86267ba..d3c27a3 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -60,11 +60,6 @@
  */
 #define AMDGPU_GMC_FAULT_TIMEOUT       5000ULL
 
-/*
- * Default stolen memory size, 1024 * 768 * 4
- */
-#define AMDGPU_STOLEN_BIST_TRAINING_DEFAULT_SIZE       0x300000ULL
-
 struct firmware;
 
 /*

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 86f4ffe..0c5bf3b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -641,12 +641,7 @@ static int gmc_v10_0_late_init(void *handle)
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        int r;
 
-       /*
-        * Can't free the stolen VGA memory when it might be used for memory
-        * training again.
-        */
-       if (!adev->fw_vram_usage.mem_train_support)
-               amdgpu_bo_late_init(adev);
+       amdgpu_bo_late_init(adev);
 
        r = amdgpu_gmc_allocate_vm_inv_eng(adev);
        if (r)
@@ -830,19 +825,6 @@ static int gmc_v10_0_sw_init(void *handle)
 
        adev->gmc.stolen_size = gmc_v10_0_get_vbios_fb_size(adev);
 
-       /*
-        * In dual GPUs scenario, stolen_size is assigned to zero on the
-        * secondary GPU, since there is no pre-OS console using that memory.
-        * Then the bottom region of VRAM was allocated as GTT, unfortunately a
-        * small region of bottom VRAM was encroached by UMC firmware during
-        * GDDR6 BIST training, this cause page fault.
-        * The page fault can be fixed by forcing stolen_size to 3MB, then the
-        * bottom region of VRAM was allocated as stolen memory, GTT corruption
-        * avoid.
-        */
-       adev->gmc.stolen_size = max(adev->gmc.stolen_size,
-                                   AMDGPU_STOLEN_BIST_TRAINING_DEFAULT_SIZE);
-
        /* Memory manager */
        r = amdgpu_bo_init(adev);
        if (r)
@@ -882,13 +864,6 @@ static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
 static int gmc_v10_0_sw_fini(void *handle)
 {
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-       void *stolen_vga_buf;
-
-       /*
-        * Free the stolen memory if it wasn't already freed in late_init
-        * because of memory training.
-        */
-       amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf);
 
        amdgpu_vm_manager_fini(adev);
        gmc_v10_0_gart_fini(adev);