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[2003:c5:8f29:a900:db15:8106:d933:a960]) by smtp.gmail.com with ESMTPSA id v10sm7309467wmh.17.2020.03.13.06.56.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Mar 2020 06:56:10 -0700 (PDT) From: Nirmoy Das X-Google-Original-From: Nirmoy Das To: amd-gfx@lists.freedesktop.org Subject: [PATCH 2/2] drm/amdgpu: disable gpu_sched load balancer for vcn jobs Date: Fri, 13 Mar 2020 14:59:53 +0100 Message-Id: <20200313135953.68418-2-nirmoy.das@amd.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200313135953.68418-1-nirmoy.das@amd.com> References: <20200313135953.68418-1-nirmoy.das@amd.com> MIME-Version: 1.0 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boyuan.Zhang@amd.com, nirmoy.das@amd.com, alexander.deucher@amd.com, James.Zhu@amd.com, Leo.Liu@amd.com, christian.koenig@amd.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" VCN HW doesn't support dynamic load balance on multiple instances for a context. This patch initializes VNC entities with only one drm_gpu_scheduler picked by drm_sched_pick_best(). Picking a drm_gpu_scheduler using drm_sched_pick_best() ensures that we do load balance among multiple contexts but not among multiple jobs in a context. Signed-off-by: Nirmoy Das --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index fa575bdc03c8..8f1e3c05812e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -121,12 +121,17 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, const u32 hw_ip, const num_scheds = 1; break; case AMDGPU_HW_IP_VCN_DEC: - scheds = adev->vcn.vcn_dec_sched; num_scheds = adev->vcn.num_vcn_dec_sched; + sched = drm_sched_pick_best(adev->vcn.vcn_dec_sched, + num_scheds); + scheds = &sched; break; case AMDGPU_HW_IP_VCN_ENC: scheds = adev->vcn.vcn_enc_sched; num_scheds = adev->vcn.num_vcn_enc_sched; + sched = drm_sched_pick_best(adev->vcn.vcn_enc_sched, + num_scheds); + scheds = &sched; break; case AMDGPU_HW_IP_VCN_JPEG: scheds = adev->jpeg.jpeg_sched; -- 2.25.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx