From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 8 Dec 2017 15:09:20 -0500
Subject: drm/amdgpu: setup the shared and private apertures on gfx9
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: a7ea6548a5d3e458cd0ad0c41cea04eee64f1fb8
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Same as previous asics. This was not yet set for gfx9.
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 | 17 ++++++++++++-----
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 ++++++++
2 files changed, 20 insertions(+), 5 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1529,11 +1529,18 @@ static void gfx_v9_0_gpu_init(struct amd
for (i = 0; i < 16; i++) {
soc15_grbm_select(adev, 0, 0, 0, i);
/* CP and shaders */
- tmp = 0;
- tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE,
- SH_MEM_ALIGNMENT_MODE_UNALIGNED);
- WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, tmp);
- WREG32_SOC15(GC, 0, mmSH_MEM_BASES, 0);
+ if (i == 0) {
+ tmp = REG_SET_FIELD(0, SH_MEM_CONFIG, ALIGNMENT_MODE,
+ SH_MEM_ALIGNMENT_MODE_UNALIGNED);
+ WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, tmp);
+ WREG32_SOC15(GC, 0, mmSH_MEM_BASES, 0);
+ } else {
+ tmp = REG_SET_FIELD(0, SH_MEM_CONFIG, ALIGNMENT_MODE,
+ SH_MEM_ALIGNMENT_MODE_UNALIGNED);
+ WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, tmp);
+ tmp = adev->mc.shared_aperture_start >> 48;
+ WREG32_SOC15(GC, 0, mmSH_MEM_BASES, tmp);
+ }
}
soc15_grbm_select(adev, 0, 0, 0, 0);
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -499,6 +499,14 @@ static int gmc_v9_0_early_init(void *han
gmc_v9_0_set_gart_funcs(adev);
gmc_v9_0_set_irq_funcs(adev);
+ adev->mc.shared_aperture_start = 0x2000000000000000ULL;
+ adev->mc.shared_aperture_end =
+ adev->mc.shared_aperture_start + (4ULL << 30) - 1;
+ adev->mc.private_aperture_start =
+ adev->mc.shared_aperture_end + 1;
+ adev->mc.private_aperture_end =
+ adev->mc.private_aperture_start + (4ULL << 30) - 1;
+
return 0;
}