<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Thanks Xiaojie! </div> <div id="appendonsend"></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: Yuan, Xiaojie <Xiaojie.Yuan@amd.com> Sent: Thursday, December 19, 2019 11:02 To: Yin, Tianci (Rico) <Tianci.Yin@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Tuikov, Luben <Luben.Tuikov@amd.com>; Koenig, Christian <Christian.Koenig@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com>; Xu, Feifei <Feifei.Xu@amd.com>; Long, Gang <Gang.Long@amd.com>; Wang, Kevin(Yang) <Kevin1.Wang@amd.com> Subject: Re: [PATCH 2/2] drm/amdgpu: remove memory training p2c buffer reservation(V2) <div> </div> </div> <div class="BodyFragment"><a name="BM_BEGIN"></a> <div>[AMD Official Use Only - Internal Distribution Only] Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com> BR, Xiaojie ________________________________________ From: Tianci Yin <tianci.yin@amd.com> Sent: Thursday, December 19, 2019 10:44 AM To: amd-gfx@lists.freedesktop.org Cc: Tuikov, Luben; Koenig, Christian; Deucher, Alexander; Zhang, Hawking; Xu, Feifei; Yuan, Xiaojie; Long, Gang; Wang, Kevin(Yang); Yin, Tianci (Rico) Subject: [PATCH 2/2] drm/amdgpu: remove memory training p2c buffer reservation(V2) From: "Tianci.Yin" <tianci.yin@amd.com> IP discovery TMR(occupied the top VRAM with size DISCOVERY_TMR_SIZE) has been reserved, and the p2c buffer is in the range of this TMR, so the p2c buffer reservation is unnecessary. Change-Id: Ib1f2f2b4a1f3869c03ffe22e2836cdbee17ba99f Reviewed-by: Kevin Wang <kevin1.wang@amd.com> Signed-off-by: Tianci.Yin <tianci.yin@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 21 ++------------------- 2 files changed, 2 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 5f8fd3e3535b..3265487b859f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -202,7 +202,6 @@ struct psp_memory_training_context { /*vram offset of the p2c training data*/ u64 p2c_train_data_offset; - struct amdgpu_bo *p2c_bo; /*vram offset of the c2p training data*/ u64 c2p_train_data_offset; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index ec84acdd43a2..60f17e989014 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1681,9 +1681,6 @@ static int amdgpu_ttm_training_reserve_vram_fini(struct amdgpu_device *adev) amdgpu_bo_free_kernel(&ctx->c2p_bo, NULL, NULL); ctx->c2p_bo = NULL; - amdgpu_bo_free_kernel(&ctx->p2c_bo, NULL, NULL); - ctx->p2c_bo = NULL; - return 0; } @@ -1725,17 +1722,6 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev) ctx->p2c_train_data_offset, ctx->c2p_train_data_offset); - ret = amdgpu_bo_create_kernel_at(adev, - ctx->p2c_train_data_offset, - ctx->train_data_size, - AMDGPU_GEM_DOMAIN_VRAM, - &ctx->p2c_bo, - NULL); - if (ret) { - DRM_ERROR("alloc p2c_bo failed(%d)!\n", ret); - goto Err_out; - } - ret = amdgpu_bo_create_kernel_at(adev, ctx->c2p_train_data_offset, ctx->train_data_size, @@ -1744,15 +1730,12 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev) NULL); if (ret) { DRM_ERROR("alloc c2p_bo failed(%d)!\n", ret); - goto Err_out; + amdgpu_ttm_training_reserve_vram_fini(adev); + return ret; } ctx->init = PSP_MEM_TRAIN_RESERVE_SUCCESS; return 0; - -Err_out: - amdgpu_ttm_training_reserve_vram_fini(adev); - return ret; } /** -- 2.17.1 </div> </div> </body> </html>