From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/amd/amdgpu/vi.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/vi.c b/kernel/drivers/gpu/drm/amd/amdgpu/vi.c
index 9bcd0ee..2e030a3 100644
--- a/kernel/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -329,8 +329,15 @@
u32 reference_clock = adev->clock.spll.reference_freq;
u32 tmp;
- if (adev->flags & AMD_IS_APU)
- return reference_clock;
+ if (adev->flags & AMD_IS_APU) {
+ switch (adev->asic_type) {
+ case CHIP_STONEY:
+ /* vbios says 48Mhz, but the actual freq is 100Mhz */
+ return 10000;
+ default:
+ return reference_clock;
+ }
+ }
tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
--
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