From: Huang Rui <ray.huang@amd.com>
Date: Thu, 21 Dec 2017 15:03:31 +0800
Subject: drm/amdgpu: enter rlc safe mode before set cgpg
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Git-commit: 72408a41d0d78dbbd7fe7e24849c683596c8b79a
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3394,8 +3394,7 @@ static void gfx_v9_0_exit_rlc_safe_mode(
static void gfx_v9_0_update_gfx_cg_power_gating(struct amdgpu_device *adev,
bool enable)
{
- /* TODO: double check if we need to perform under safe mdoe */
- /* gfx_v9_0_enter_rlc_safe_mode(adev); */
+ gfx_v9_0_enter_rlc_safe_mode(adev);
if ((adev->pg_flags & AMD_PG_SUPPORT_GFX_PG) && enable) {
gfx_v9_0_enable_gfx_cg_power_gating(adev, true);
@@ -3406,7 +3405,7 @@ static void gfx_v9_0_update_gfx_cg_power
gfx_v9_0_enable_gfx_pipeline_powergating(adev, false);
}
- /* gfx_v9_0_exit_rlc_safe_mode(adev); */
+ gfx_v9_0_exit_rlc_safe_mode(adev);
}
static void gfx_v9_0_update_gfx_mg_power_gating(struct amdgpu_device *adev,
@@ -3797,7 +3796,7 @@ static void gfx_v9_0_ring_emit_ib_gfx(st
}
amdgpu_ring_write(ring, header);
-BUG_ON(ib->gpu_addr & 0x3); /* Dword align */
+ BUG_ON(ib->gpu_addr & 0x3); /* Dword align */
amdgpu_ring_write(ring,
#ifdef __BIG_ENDIAN
(2 << 0) |