From: Jordan Crouse <jcrouse@codeaurora.org> To: Rob Clark <robdclark@gmail.com> Cc: dri-devel@lists.freedesktop.org, Rob Clark <robdclark@chromium.org>, Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, "Kristian H. Kristensen" <hoegsberg@google.com>, Eric Anholt <eric@anholt.net>, "Gustavo A. R. Silva" <gustavoars@kernel.org>, Emil Velikov <emil.velikov@collabora.com>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <linux-arm-msm@vger.kernel.org>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <freedreno@lists.freedesktop.org>, open list <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 2/2] drm/msm/a5xx: Clear shadow on suspend Date: Tue, 10 Nov 2020 11:46:24 -0700 [thread overview] Message-ID: <20201110184624.GB2661@jcrouse1-lnx.qualcomm.com> (raw) In-Reply-To: <20201110184401.282982-2-robdclark@gmail.com> On Tue, Nov 10, 2020 at 10:44:00AM -0800, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Similar to the previous patch, clear shadow on suspend to avoid timeouts > waiting for ringbuffer space. > > Fixes: 8907afb476ac ("drm/msm: Allow a5xx to mark the RPTR shadow as privileged") > Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> > --- > drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > index b0005ccd81c6..8fa5c917d017 100644 > --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > @@ -1206,7 +1206,9 @@ static int a5xx_pm_resume(struct msm_gpu *gpu) > static int a5xx_pm_suspend(struct msm_gpu *gpu) > { > struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); > + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); > u32 mask = 0xf; > + int i, ret; > > /* A510 has 3 XIN ports in VBIF */ > if (adreno_is_a510(adreno_gpu)) > @@ -1226,7 +1228,15 @@ static int a5xx_pm_suspend(struct msm_gpu *gpu) > gpu_write(gpu, REG_A5XX_RBBM_BLOCK_SW_RESET_CMD, 0x003C0000); > gpu_write(gpu, REG_A5XX_RBBM_BLOCK_SW_RESET_CMD, 0x00000000); > > - return msm_gpu_pm_suspend(gpu); > + ret = msm_gpu_pm_suspend(gpu); > + if (ret) > + return ret; > + > + if (a5xx_gpu->has_whereami) > + for (i = 0; i < gpu->nr_rings; i++) > + a5xx_gpu->shadow[i] = 0; > + > + return 0; > } > > static int a5xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) > -- > 2.28.0 > -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: Jordan Crouse <jcrouse@codeaurora.org> To: Rob Clark <robdclark@gmail.com> Cc: Rob Clark <robdclark@chromium.org>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <freedreno@lists.freedesktop.org>, David Airlie <airlied@linux.ie>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <linux-arm-msm@vger.kernel.org>, "Gustavo A. R. Silva" <gustavoars@kernel.org>, dri-devel@lists.freedesktop.org, open list <linux-kernel@vger.kernel.org>, "Kristian H. Kristensen" <hoegsberg@google.com>, Sean Paul <sean@poorly.run>, Emil Velikov <emil.velikov@collabora.com> Subject: Re: [PATCH 2/2] drm/msm/a5xx: Clear shadow on suspend Date: Tue, 10 Nov 2020 11:46:24 -0700 [thread overview] Message-ID: <20201110184624.GB2661@jcrouse1-lnx.qualcomm.com> (raw) In-Reply-To: <20201110184401.282982-2-robdclark@gmail.com> On Tue, Nov 10, 2020 at 10:44:00AM -0800, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Similar to the previous patch, clear shadow on suspend to avoid timeouts > waiting for ringbuffer space. > > Fixes: 8907afb476ac ("drm/msm: Allow a5xx to mark the RPTR shadow as privileged") > Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> > --- > drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > index b0005ccd81c6..8fa5c917d017 100644 > --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > @@ -1206,7 +1206,9 @@ static int a5xx_pm_resume(struct msm_gpu *gpu) > static int a5xx_pm_suspend(struct msm_gpu *gpu) > { > struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); > + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); > u32 mask = 0xf; > + int i, ret; > > /* A510 has 3 XIN ports in VBIF */ > if (adreno_is_a510(adreno_gpu)) > @@ -1226,7 +1228,15 @@ static int a5xx_pm_suspend(struct msm_gpu *gpu) > gpu_write(gpu, REG_A5XX_RBBM_BLOCK_SW_RESET_CMD, 0x003C0000); > gpu_write(gpu, REG_A5XX_RBBM_BLOCK_SW_RESET_CMD, 0x00000000); > > - return msm_gpu_pm_suspend(gpu); > + ret = msm_gpu_pm_suspend(gpu); > + if (ret) > + return ret; > + > + if (a5xx_gpu->has_whereami) > + for (i = 0; i < gpu->nr_rings; i++) > + a5xx_gpu->shadow[i] = 0; > + > + return 0; > } > > static int a5xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) > -- > 2.28.0 > -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-11-10 18:46 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-10 18:43 [PATCH 1/2] drm/msm/a6xx: Clear shadow on suspend Rob Clark 2020-11-10 18:43 ` Rob Clark 2020-11-10 18:44 ` [PATCH 2/2] drm/msm/a5xx: " Rob Clark 2020-11-10 18:44 ` Rob Clark 2020-11-10 18:46 ` Jordan Crouse [this message] 2020-11-10 18:46 ` Jordan Crouse 2020-11-10 18:46 ` [PATCH 1/2] drm/msm/a6xx: " Jordan Crouse 2020-11-10 18:46 ` Jordan Crouse 2020-12-29 20:15 ` patchwork-bot+linux-arm-msm
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