Merge branch 'drm-next-4.5' of git://people.freedesktop.org/~agd5f/linux into drm-next

[airlied: fixup build problems on arm - added errno.h include]
* 'drm-next-4.5' of git://people.freedesktop.org/~agd5f/linux: (152 commits)
  amd/powerplay: fix copy paste typo in hardwaremanager.c
  amd/powerplay: disable powerplay by default initially
  amd/powerplay: don't enable ucode fan control if vbios has no fan table
  drm/amd/powerplay: show gpu load when print gpu performance for Cz. (v2)
  drm/amd/powerplay: check whether need to enable thermal control. (v2)
  drm/amd/powerplay: add point check to avoid NULL point hang.
  drm/amdgpu/powerplay: Program a calculated value as Deep Sleep clock.
  drm/amd/powerplay: Don't return an error if fan table is missing
  drm/powerplay/hwmgr: log errors in tonga_hwmgr_backend_init
  drm/powerplay: add debugging output to processpptables.c
  drm/powerplay: add debugging output to tonga_processpptables.c
  amd/powerplay: Add structures required to report configuration change
  amd/powerplay: Fix get dal power level
  amd\powerplay Implement get dal power level
  drm/amd/powerplay: display gpu load when print performance for tonga.
  drm/amdgpu/powerplay: enable sysfs and debugfs interfaces late
  drm/amd/powerplay: move shared function of vi to hwmgr. (v2)
  drm/amd/powerplay: check whether enable dpm in powerplay.
  drm/amd/powerplay: fix bug that dpm funcs in debugfs/sysfs missing.
  drm/amd/powerplay: fix boolreturn.cocci warnings
  ...

1 files changed, 176 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index d39028440814..adc25f87fc18 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -476,6 +476,10 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
 	adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
 	adev->mc.visible_vram_size = adev->mc.aper_size;
 
+	/* In case the PCI BAR is larger than the actual amount of vram */
+	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
+		adev->mc.visible_vram_size = adev->mc.real_vram_size;
+
 	/* unless the user had overridden it, set the gart
 	 * size equal to the 1024 or vram, whichever is larger.
 	 */
@@ -1324,9 +1328,181 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
 	return 0;
 }
 
+static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
+		bool enable)
+{
+	uint32_t data;
+
+	if (enable) {
+		data = RREG32(mmMC_HUB_MISC_HUB_CG);
+		data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_HUB_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_SIP_CG);
+		data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_SIP_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_VM_CG);
+		data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_VM_CG, data);
+
+		data = RREG32(mmMC_XPB_CLK_GAT);
+		data |= MC_XPB_CLK_GAT__ENABLE_MASK;
+		WREG32(mmMC_XPB_CLK_GAT, data);
+
+		data = RREG32(mmATC_MISC_CG);
+		data |= ATC_MISC_CG__ENABLE_MASK;
+		WREG32(mmATC_MISC_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_WR_CG);
+		data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_WR_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_RD_CG);
+		data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_RD_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_VM_CG);
+		data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_VM_CG, data);
+
+		data = RREG32(mmVM_L2_CG);
+		data |= VM_L2_CG__ENABLE_MASK;
+		WREG32(mmVM_L2_CG, data);
+	} else {
+		data = RREG32(mmMC_HUB_MISC_HUB_CG);
+		data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_HUB_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_SIP_CG);
+		data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_SIP_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_VM_CG);
+		data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_VM_CG, data);
+
+		data = RREG32(mmMC_XPB_CLK_GAT);
+		data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
+		WREG32(mmMC_XPB_CLK_GAT, data);
+
+		data = RREG32(mmATC_MISC_CG);
+		data &= ~ATC_MISC_CG__ENABLE_MASK;
+		WREG32(mmATC_MISC_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_WR_CG);
+		data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_WR_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_RD_CG);
+		data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_RD_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_VM_CG);
+		data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_VM_CG, data);
+
+		data = RREG32(mmVM_L2_CG);
+		data &= ~VM_L2_CG__ENABLE_MASK;
+		WREG32(mmVM_L2_CG, data);
+	}
+}
+
+static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
+		bool enable)
+{
+	uint32_t data;
+
+	if (enable) {
+		data = RREG32(mmMC_HUB_MISC_HUB_CG);
+		data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_HUB_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_SIP_CG);
+		data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_SIP_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_VM_CG);
+		data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_VM_CG, data);
+
+		data = RREG32(mmMC_XPB_CLK_GAT);
+		data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_XPB_CLK_GAT, data);
+
+		data = RREG32(mmATC_MISC_CG);
+		data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmATC_MISC_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_WR_CG);
+		data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_WR_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_RD_CG);
+		data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_RD_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_VM_CG);
+		data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_VM_CG, data);
+
+		data = RREG32(mmVM_L2_CG);
+		data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmVM_L2_CG, data);
+	} else {
+		data = RREG32(mmMC_HUB_MISC_HUB_CG);
+		data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_HUB_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_SIP_CG);
+		data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_SIP_CG, data);
+
+		data = RREG32(mmMC_HUB_MISC_VM_CG);
+		data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_HUB_MISC_VM_CG, data);
+
+		data = RREG32(mmMC_XPB_CLK_GAT);
+		data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_XPB_CLK_GAT, data);
+
+		data = RREG32(mmATC_MISC_CG);
+		data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmATC_MISC_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_WR_CG);
+		data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_WR_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_RD_CG);
+		data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_RD_CG, data);
+
+		data = RREG32(mmMC_CITF_MISC_VM_CG);
+		data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmMC_CITF_MISC_VM_CG, data);
+
+		data = RREG32(mmVM_L2_CG);
+		data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
+		WREG32(mmVM_L2_CG, data);
+	}
+}
+
 static int gmc_v8_0_set_clockgating_state(void *handle,
 					  enum amd_clockgating_state state)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	switch (adev->asic_type) {
+	case CHIP_FIJI:
+		fiji_update_mc_medium_grain_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		fiji_update_mc_light_sleep(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		break;
+	default:
+		break;
+	}
 	return 0;
 }