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authorShiwu Zhang <shiwu.zhang@amd.com>2023-05-17 09:15:05 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-06-09 18:02:12 +0300
commit9535a86a4072babc37dc6bdadae52bdbb88166f5 (patch)
treece49d43acf4af9962e722b73b59c39b2c1322093 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentcfdce594171cea19ba033e8d7ff57a767c0ccd63 (diff)
downloadlinux-9535a86a4072babc37dc6bdadae52bdbb88166f5.tar.xz
drm/amdgpu: bypass bios dependent operations
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 473eeac1f03b..d2d0d27f9053 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -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) {