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Reviewed-by: Alex Deucher <alexander.deucher@amd.com><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Huang Rui <ray.huang@amd.com><br>
<b>Sent:</b> Wednesday, March 13, 2019 8:27 AM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org<br>
<b>Cc:</b> Huang, Ray<br>
<b>Subject:</b> [PATCH] drm/amdgpu: enable gfxoff again on raven series</font>
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<div class="PlainText">This patch enables gfxoff and stutter mode again, since we take more testing on<br>
raven series. For raven2 and picasso, we can enable it directly. And for raven,<br>
we need check the RLC ucode version cannot be less than #531.<br>
<br>
Signed-off-by: Huang Rui <ray.huang@amd.com><br>
---<br>
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c        |  2 ++<br>
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c           |  4 ++--<br>
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c             | 21 +++++++++++++++++++++<br>
 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 13 ++++---------<br>
 4 files changed, 29 insertions(+), 11 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c<br>
index 95cd3b7..02c1125 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c<br>
@@ -1508,6 +1508,8 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)<br>
         }<br>
 <br>
         adev->pm.pp_feature = amdgpu_pp_feature_mask;<br>
+       if (amdgpu_sriov_vf(adev))<br>
+               adev->pm.pp_feature &= ~PP_GFXOFF_MASK;<br>
 <br>
         for (i = 0; i < adev->num_ip_blocks; i++) {<br>
                 if ((amdgpu_ip_block_mask & (1 << i)) == 0) {<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c<br>
index 4a8c422..5681a41 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c<br>
@@ -118,8 +118,8 @@ uint amdgpu_pg_mask = 0xffffffff;<br>
 uint amdgpu_sdma_phase_quantum = 32;<br>
 char *amdgpu_disable_cu = NULL;<br>
 char *amdgpu_virtual_display = NULL;<br>
-/* OverDrive(bit 14),gfxoff(bit 15),stutter mode(bit 17) disabled by default*/<br>
-uint amdgpu_pp_feature_mask = 0xfffd3fff;<br>
+/* OverDrive(bit 14) disabled by default*/<br>
+uint amdgpu_pp_feature_mask = 0xffffbfff;<br>
 int amdgpu_ngg = 0;<br>
 int amdgpu_prim_buf_per_se = 0;<br>
 int amdgpu_pos_buf_per_se = 0;<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
index 60c582c..6b48d4c 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
@@ -578,6 +578,26 @@ static void gfx_v9_0_check_fw_write_wait(struct amdgpu_device *adev)<br>
         }<br>
 }<br>
 <br>
+static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev)<br>
+{<br>
+       switch (adev->asic_type) {<br>
+       case CHIP_VEGA10:<br>
+       case CHIP_VEGA12:<br>
+       case CHIP_VEGA20:<br>
+               break;<br>
+       case CHIP_RAVEN:<br>
+               if (adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)<br>
+                       break;<br>
+               if ((adev->gfx.rlc_fw_version < 531) ||<br>
+                   (adev->gfx.rlc_feature_version < 1) ||<br>
+                   !adev->gfx.rlc.is_rlc_v2_1)<br>
+                       adev->pm.pp_feature &= ~PP_GFXOFF_MASK;<br>
+               break;<br>
+       default:<br>
+               break;<br>
+       }<br>
+}<br>
+<br>
 static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)<br>
 {<br>
         const char *chip_name;<br>
@@ -830,6 +850,7 @@ static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)<br>
         }<br>
 <br>
 out:<br>
+       gfx_v9_0_check_if_need_gfxoff(adev);<br>
         gfx_v9_0_check_fw_write_wait(adev);<br>
         if (err) {<br>
                 dev_err(adev->dev,<br>
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c<br>
index 0ad8fe4..f32e3d0 100644<br>
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c<br>
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c<br>
@@ -114,11 +114,6 @@ static int smu10_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)<br>
         smu10_data->num_active_display = 0;<br>
         smu10_data->deep_sleep_dcefclk = 0;<br>
 <br>
-       if (hwmgr->feature_mask & PP_GFXOFF_MASK)<br>
-               smu10_data->gfx_off_controled_by_driver = true;<br>
-       else<br>
-               smu10_data->gfx_off_controled_by_driver = false;<br>
-<br>
         phm_cap_unset(hwmgr->platform_descriptor.platformCaps,<br>
                                         PHM_PlatformCaps_SclkDeepSleep);<br>
 <br>
@@ -330,9 +325,9 @@ static bool smu10_is_gfx_on(struct pp_hwmgr *hwmgr)<br>
 <br>
 static int smu10_disable_gfx_off(struct pp_hwmgr *hwmgr)<br>
 {<br>
-       struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend);<br>
+       struct amdgpu_device *adev = hwmgr->adev;<br>
 <br>
-       if (smu10_data->gfx_off_controled_by_driver) {<br>
+       if (adev->pm.pp_feature & PP_GFXOFF_MASK) {<br>
                 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableGfxOff);<br>
 <br>
                 /* confirm gfx is back to "on" state */<br>
@@ -350,9 +345,9 @@ static int smu10_disable_dpm_tasks(struct pp_hwmgr *hwmgr)<br>
 <br>
 static int smu10_enable_gfx_off(struct pp_hwmgr *hwmgr)<br>
 {<br>
-       struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend);<br>
+       struct amdgpu_device *adev = hwmgr->adev;<br>
 <br>
-       if (smu10_data->gfx_off_controled_by_driver)<br>
+       if (adev->pm.pp_feature & PP_GFXOFF_MASK)<br>
                 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableGfxOff);<br>
 <br>
         return 0;<br>
-- <br>
2.7.4<br>
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