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[91.14.161.181]) by smtp.gmail.com with ESMTPSA id u16sm4455389wmc.21.2021.11.03.00.55.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Nov 2021 00:55:14 -0700 (PDT) Subject: Re: [PATCH 6/6] drm/radeon: use dma_resv_wait_timeout() instead of manually waiting From: =?UTF-8?Q?Christian_K=c3=b6nig?= To: Alex Deucher References: <20211028132630.2330-1-christian.koenig@amd.com> <20211028132630.2330-6-christian.koenig@amd.com> Cc: dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, etnaviv@lists.freedesktop.org, amd-gfx@lists.freedesktop.org Message-ID: Date: Wed, 3 Nov 2021 08:55:11 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211028132630.2330-6-christian.koenig@amd.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Ping, Alex do you have a moment for that one here? Am 28.10.21 um 15:26 schrieb Christian König: > Don't touch the exclusive fence manually here, but rather use the > general dma_resv function. We did that for better hw reset handling but > this doesn't necessary work correctly. > > Signed-off-by: Christian König > --- > drivers/gpu/drm/radeon/radeon_uvd.c | 13 +++++-------- > 1 file changed, 5 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c > index 2ea86919d953..377f9cdb5b53 100644 > --- a/drivers/gpu/drm/radeon/radeon_uvd.c > +++ b/drivers/gpu/drm/radeon/radeon_uvd.c > @@ -469,7 +469,6 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, > { > int32_t *msg, msg_type, handle; > unsigned img_size = 0; > - struct dma_fence *f; > void *ptr; > > int i, r; > @@ -479,13 +478,11 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, > return -EINVAL; > } > > - f = dma_resv_excl_fence(bo->tbo.base.resv); > - if (f) { > - r = radeon_fence_wait((struct radeon_fence *)f, false); > - if (r) { > - DRM_ERROR("Failed waiting for UVD message (%d)!\n", r); > - return r; > - } > + r = dma_resv_wait_timeout(bo->tbo.base.resv, false, false, > + MAX_SCHEDULE_TIMEOUT); > + if (r <= 0) { > + DRM_ERROR("Failed waiting for UVD message (%d)!\n", r); > + return r ? r : -ETIME; > } > > r = radeon_bo_kmap(bo, &ptr);