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Merge branch 'drm-fixes-4.20' of git://people.freedesktop.org/~agd5f/…
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…linux into drm-fixes

Fixes for 4.20:
- Fix for huge page handling that caused a GPUVM fault in some cases
- Fix IH ring setup
- Fix for xgmi aperture setup
- Fix for watermark setup for SMU

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181114171853.2866-1-alexander.deucher@amd.com
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Dave Airlie committed Nov 15, 2018
2 parents 7b74026 + c1a1777 commit 9826b11
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Showing 5 changed files with 33 additions and 31 deletions.
18 changes: 10 additions & 8 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1632,13 +1632,6 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params,
continue;
}

/* First check if the entry is already handled */
if (cursor.pfn < frag_start) {
cursor.entry->huge = true;
amdgpu_vm_pt_next(adev, &cursor);
continue;
}

/* If it isn't already handled it can't be a huge page */
if (cursor.entry->huge) {
/* Add the entry to the relocated list to update it. */
Expand Down Expand Up @@ -1701,8 +1694,17 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params,
}
} while (frag_start < entry_end);

if (frag >= shift)
if (amdgpu_vm_pt_descendant(adev, &cursor)) {
/* Mark all child entries as huge */
while (cursor.pfn < frag_start) {
cursor.entry->huge = true;
amdgpu_vm_pt_next(adev, &cursor);
}

} else if (frag >= shift) {
/* or just move on to the next on the same level. */
amdgpu_vm_pt_next(adev, &cursor);
}
}

return 0;
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6 changes: 3 additions & 3 deletions drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)

/* Program the system aperture low logical page number. */
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.vram_start, adev->gmc.agp_start) >> 18);
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);

if (adev->asic_type == CHIP_RAVEN && adev->rev_id >= 0x8)
/*
Expand All @@ -82,11 +82,11 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
* to get rid of the VM fault and hardware hang.
*/
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max((adev->gmc.vram_end >> 18) + 0x1,
max((adev->gmc.fb_end >> 18) + 0x1,
adev->gmc.agp_end >> 18));
else
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18);
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);

/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start
Expand Down
6 changes: 3 additions & 3 deletions drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,7 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)

/* Program the system aperture low logical page number. */
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.vram_start, adev->gmc.agp_start) >> 18);
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);

if (adev->asic_type == CHIP_RAVEN && adev->rev_id >= 0x8)
/*
Expand All @@ -100,11 +100,11 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
* to get rid of the VM fault and hardware hang.
*/
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max((adev->gmc.vram_end >> 18) + 0x1,
max((adev->gmc.fb_end >> 18) + 0x1,
adev->gmc.agp_end >> 18));
else
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18);
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);

/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
Expand Down
2 changes: 1 addition & 1 deletion drivers/gpu/drm/amd/amdgpu/vega10_ih.c
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
else
wptr_off = adev->wb.gpu_addr + (adev->irq.ih.wptr_offs * 4);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO, lower_32_bits(wptr_off));
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFF);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFFFF);

/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0);
Expand Down
32 changes: 16 additions & 16 deletions drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
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Original file line number Diff line number Diff line change
Expand Up @@ -713,41 +713,41 @@ int smu_set_watermarks_for_clocks_ranges(void *wt_table,
for (i = 0; i < wm_with_clock_ranges->num_wm_dmif_sets; i++) {
table->WatermarkRow[1][i].MinClock =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_dcfclk_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_dcfclk_clk_in_khz /
1000));
table->WatermarkRow[1][i].MaxClock =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_dcfclk_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_dcfclk_clk_in_khz /
1000));
table->WatermarkRow[1][i].MinUclk =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_mem_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_min_mem_clk_in_khz /
1000));
table->WatermarkRow[1][i].MaxUclk =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_mem_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_max_mem_clk_in_khz /
1000));
table->WatermarkRow[1][i].WmSetting = (uint8_t)
wm_with_clock_ranges->wm_dmif_clocks_ranges[i].wm_set_id;
}

for (i = 0; i < wm_with_clock_ranges->num_wm_mcif_sets; i++) {
table->WatermarkRow[0][i].MinClock =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_min_socclk_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_min_socclk_clk_in_khz /
1000));
table->WatermarkRow[0][i].MaxClock =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_max_socclk_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_max_socclk_clk_in_khz /
1000));
table->WatermarkRow[0][i].MinUclk =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_min_mem_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_min_mem_clk_in_khz /
1000));
table->WatermarkRow[0][i].MaxUclk =
cpu_to_le16((uint16_t)
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_max_mem_clk_in_khz) /
1000);
(wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_max_mem_clk_in_khz /
1000));
table->WatermarkRow[0][i].WmSetting = (uint8_t)
wm_with_clock_ranges->wm_mcif_clocks_ranges[i].wm_set_id;
}
Expand Down

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