[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanat...@amd.com>
-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Oak Zeng
Sent: Thursday, April 1, 2021 3:42 PM
To: amd-gfx@lists.freedesktop.org
Cc: Kuehling, Felix <felix.kuehl...@amd.com>; Lazar, Lijo <lijo.la...@amd.com>;
Koenig, Christian <christian.koe...@amd.com>; Zeng, Oak <oak.z...@amd.com>;
Zhang, Hawking <hawking.zh...@amd.com>
Subject: [PATCH 4/4] Revert "drm/amdgpu: workaround the TMR MC address issue
(v2)"
This reverts commit 34a33d4683cba7ba63c894132efb1998c0217631.
34a33d4683cba7ba63c894132efb1998c0217631 was a driver workaround when PSP
firmware was not ready. Now the PSP fw is ready so we revert this driver
workaround.
Signed-off-by: Oak Zeng <oak.z...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 9 ---------
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 10 ----------
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 21 ++++++---------------
drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c | 10 ++++------
4 files changed, 10 insertions(+), 40 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index bc374bc..59bbe59 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -209,15 +209,6 @@ struct amdgpu_gmc {
*/
u64 fb_start;
u64 fb_end;
- /* In the case of use GART table for vmid0 FB access, [fb_start, fb_end]
- * will be squeezed to GART aperture. But we have a PSP FW issue to fix
- * for now. To temporarily workaround the PSP FW issue, added below two
- * variables to remember the original fb_start/end to re-enable FB
- * aperture to workaround the PSP FW issue. Will delete it after we
- * get a proper PSP FW fix.
- */
- u64 fb_start_original;
- u64 fb_end_original;
unsigned vram_width;
u64 real_vram_size;
int vram_mtrr;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 123ab31..5298698 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -414,16 +414,6 @@ static int psp_tmr_init(struct psp_context *psp)
AMDGPU_GEM_DOMAIN_VRAM,
&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
- /* workaround the tmr_mc_addr:
- * PSP requires an address in FB aperture. Right now driver produce
- * tmr_mc_addr in the GART aperture. Convert it back to FB aperture
- * for PSP. Will revert it after we get a fix from PSP FW.
- */
- if (psp->adev->asic_type == CHIP_ALDEBARAN) {
- psp->tmr_mc_addr -= psp->adev->gmc.fb_start;
- psp->tmr_mc_addr += psp->adev->gmc.fb_start_original;
- }
-
return ret;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 9b78891..561b32e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -140,21 +140,12 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct
amdgpu_device *adev)
* FB aperture and AGP aperture. Disable them.
*/
if (adev->gmc.pdb0_bo) {
- if (adev->asic_type == CHIP_ALDEBARAN) {
- WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP,
adev->gmc.fb_end_original >> 24);
- WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE,
adev->gmc.fb_start_original >> 24);
- WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
- WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
- WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
adev->gmc.fb_start_original >> 18);
- WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
adev->gmc.fb_end_original >> 18);
- } else {
- WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0);
- WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE,
0x00FFFFFF);
- WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
- WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
- WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
0x3FFFFFFF);
- WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
0);
- }
+ WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0);
+ WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
+ WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
+ WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
+ WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
0x3FFFFFFF);
+ WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
index d341d17..71914f0 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
@@ -47,8 +47,6 @@ static u64 mmhub_v1_7_get_fb_location(struct amdgpu_device
*adev)
adev->gmc.fb_start = base;
adev->gmc.fb_end = top;
- adev->gmc.fb_start_original = base;
- adev->gmc.fb_end_original = top;
return base;
}
@@ -126,10 +124,10 @@ static void mmhub_v1_7_init_system_aperture_regs(struct
amdgpu_device *adev)
if (adev->gmc.pdb0_bo) {
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, 0xFFFFFF);
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, 0);
- WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP,
adev->gmc.fb_end_original >> 24);
- WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE,
adev->gmc.fb_start_original >> 24);
- WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR,
adev->gmc.fb_start_original >> 18);
- WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
adev->gmc.fb_end_original >> 18);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, 0);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR,
0x3FFFFFFF);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
}
if (amdgpu_sriov_vf(adev))
return;
--
2.7.4
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Charish.kasiviswanathan%40amd.com%7C2a709f7948ee45442b9b08d8f5464294%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637529029417945688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MWOR%2FCMXXgQPJywjxFCH3Q%2FfPMGZOSWbKdNSROS0Dec%3D&reserved=0
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
