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drm/amdgpu: bypass bios dependent operations

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Since bios reading does not work currently so just bypass all operations
related to bios

v2: hardcode the vram info for APP_APU case (hawking)
v3: correct the vram_width with channel number * channel size (lijo)

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shiwu Zhang
2023-05-17 14:15:05 +08:00
committed by Alex Deucher
parent cfdce59417
commit 9535a86a40
3 changed files with 87 additions and 53 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@@ -1696,7 +1696,7 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev)
uint32_t reserve_size = 0;
int ret;
if (!amdgpu_sriov_vf(adev)) {
if (adev->bios && !amdgpu_sriov_vf(adev)) {
if (amdgpu_atomfirmware_mem_training_supported(adev))
mem_train_support = true;
else
@@ -1713,7 +1713,10 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev)
if (adev->bios)
reserve_size =
amdgpu_atomfirmware_get_fw_reserved_fb_size(adev);
if (!reserve_size)
if (!adev->bios && adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3))
reserve_size = max(reserve_size, (uint32_t)280 << 20);
else if (!reserve_size)
reserve_size = DISCOVERY_TMR_OFFSET;
if (mem_train_support) {