From: Evan Quan <evan.quan-5C7GfCeVMHo@public.gmane.org> To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Evan Quan <evan.quan-5C7GfCeVMHo@public.gmane.org> Subject: [PATCH] drm/amd/powerplay: avoid DPM reenable process on Navi1x ASICs Date: Mon, 11 Nov 2019 17:25:06 +0800 [thread overview] Message-ID: <20191111092506.18913-1-evan.quan@amd.com> (raw) Otherwise, without RLC reinitialization, the DPM reenablement will fail. That affects the custom pptable uploading. Change-Id: I6fe2ed5ce23f2a5b66f371c0b6d1f924837e5af6 Signed-off-by: Evan Quan <evan.quan@amd.com> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 32 +++++++++++++++---- .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 + 2 files changed, 26 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 76a4154b3be2..a4d67b30fd72 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -1293,10 +1293,25 @@ static int smu_hw_fini(void *handle) return ret; } - ret = smu_stop_dpms(smu); - if (ret) { - pr_warn("Fail to stop Dpms!\n"); - return ret; + /* + * For custom pptable uploading, skip the DPM features + * disable process on Navi1x ASICs. + * - As the gfx related features are under control of + * RLC on those ASICs. RLC reinitialization will be + * needed to reenable them. That will cost much more + * efforts. + * + * - SMU firmware can handle the DPM reenablement + * properly. + */ + if (!smu->uploading_custom_pp_table || + !((adev->asic_type >= CHIP_NAVI10) && + (adev->asic_type <= CHIP_NAVI12))) { + ret = smu_stop_dpms(smu); + if (ret) { + pr_warn("Fail to stop Dpms!\n"); + return ret; + } } kfree(table_context->driver_pptable); @@ -1324,13 +1339,16 @@ int smu_reset(struct smu_context *smu) struct amdgpu_device *adev = smu->adev; int ret = 0; + smu->uploading_custom_pp_table = true; + ret = smu_hw_fini(adev); if (ret) - return ret; + goto out; ret = smu_hw_init(adev); - if (ret) - return ret; + +out: + smu->uploading_custom_pp_table = false; return ret; } diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 8120e7587585..215841f5fb93 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -391,6 +391,7 @@ struct smu_context uint32_t smc_if_version; + bool uploading_custom_pp_table; }; struct i2c_adapter; -- 2.24.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Evan Quan <evan.quan@amd.com> To: amd-gfx@lists.freedesktop.org Cc: Evan Quan <evan.quan@amd.com> Subject: [PATCH] drm/amd/powerplay: avoid DPM reenable process on Navi1x ASICs Date: Mon, 11 Nov 2019 17:25:06 +0800 [thread overview] Message-ID: <20191111092506.18913-1-evan.quan@amd.com> (raw) Message-ID: <20191111092506.fqUVhx_MRKUOntnuJ4FTBw8ZHMXW4Kh3RhivVA3Jzbw@z> (raw) Otherwise, without RLC reinitialization, the DPM reenablement will fail. That affects the custom pptable uploading. Change-Id: I6fe2ed5ce23f2a5b66f371c0b6d1f924837e5af6 Signed-off-by: Evan Quan <evan.quan@amd.com> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 32 +++++++++++++++---- .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 + 2 files changed, 26 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 76a4154b3be2..a4d67b30fd72 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -1293,10 +1293,25 @@ static int smu_hw_fini(void *handle) return ret; } - ret = smu_stop_dpms(smu); - if (ret) { - pr_warn("Fail to stop Dpms!\n"); - return ret; + /* + * For custom pptable uploading, skip the DPM features + * disable process on Navi1x ASICs. + * - As the gfx related features are under control of + * RLC on those ASICs. RLC reinitialization will be + * needed to reenable them. That will cost much more + * efforts. + * + * - SMU firmware can handle the DPM reenablement + * properly. + */ + if (!smu->uploading_custom_pp_table || + !((adev->asic_type >= CHIP_NAVI10) && + (adev->asic_type <= CHIP_NAVI12))) { + ret = smu_stop_dpms(smu); + if (ret) { + pr_warn("Fail to stop Dpms!\n"); + return ret; + } } kfree(table_context->driver_pptable); @@ -1324,13 +1339,16 @@ int smu_reset(struct smu_context *smu) struct amdgpu_device *adev = smu->adev; int ret = 0; + smu->uploading_custom_pp_table = true; + ret = smu_hw_fini(adev); if (ret) - return ret; + goto out; ret = smu_hw_init(adev); - if (ret) - return ret; + +out: + smu->uploading_custom_pp_table = false; return ret; } diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 8120e7587585..215841f5fb93 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -391,6 +391,7 @@ struct smu_context uint32_t smc_if_version; + bool uploading_custom_pp_table; }; struct i2c_adapter; -- 2.24.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next reply other threads:[~2019-11-11 9:25 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-11 9:25 Evan Quan [this message] 2019-11-11 9:25 ` [PATCH] drm/amd/powerplay: avoid DPM reenable process on Navi1x ASICs Evan Quan [not found] ` <20191111092506.18913-1-evan.quan-5C7GfCeVMHo@public.gmane.org> 2019-11-11 17:33 ` Alex Deucher 2019-11-11 17:33 ` Alex Deucher [not found] ` <CADnq5_OhXnzYx6EgMM87dh1jgUi6Br86Axwi_KfvLjXuO2+gxw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2019-11-12 1:33 ` Quan, Evan 2019-11-12 1:33 ` Quan, Evan 2019-11-11 23:35 ` Matt Coffin 2019-11-11 23:35 ` Matt Coffin
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