From: Jonathan Marek <jonathan@marek.ca> To: freedreno@lists.freedesktop.org Cc: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Jordan Crouse <jordan@cosmicpenguin.net>, Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>, Akhil P Oommen <akhilpo@codeaurora.org>, Eric Anholt <eric@anholt.net>, Sharat Masetty <smasetty@codeaurora.org>, Douglas Anderson <dianders@chromium.org>, linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU), dri-devel@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO GPU), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] drm/msm: fix LLC not being enabled for mmu500 targets Date: Fri, 23 Apr 2021 21:49:26 -0400 [thread overview] Message-ID: <20210424014927.1661-1-jonathan@marek.ca> (raw) mmu500 targets don't have a "cx_mem" region, set llc_mmio to NULL in that case to avoid the IS_ERR() condition in a6xx_llc_activate(). Fixes: 3d247123b5a1 ("drm/msm/a6xx: Add support for using system cache on MMU500 based targets") Signed-off-by: Jonathan Marek <jonathan@marek.ca> --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 1716984c68a8..727d111a413f 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1153,10 +1153,6 @@ static void a6xx_llc_slices_init(struct platform_device *pdev, { struct device_node *phandle; - a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem", "gpu_cx"); - if (IS_ERR(a6xx_gpu->llc_mmio)) - return; - /* * There is a different programming path for targets with an mmu500 * attached, so detect if that is the case @@ -1166,6 +1162,11 @@ static void a6xx_llc_slices_init(struct platform_device *pdev, of_device_is_compatible(phandle, "arm,mmu-500")); of_node_put(phandle); + if (a6xx_gpu->have_mmu500) + a6xx_gpu->llc_mmio = NULL; + else + a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem", "gpu_cx"); + a6xx_gpu->llc_slice = llcc_slice_getd(LLCC_GPU); a6xx_gpu->htw_llc_slice = llcc_slice_getd(LLCC_GPUHTW); -- 2.26.1
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Marek <jonathan@marek.ca> To: freedreno@lists.freedesktop.org Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>, Douglas Anderson <dianders@chromium.org>, David Airlie <airlied@linux.ie>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <linux-arm-msm@vger.kernel.org>, Sharat Masetty <smasetty@codeaurora.org>, Akhil P Oommen <akhilpo@codeaurora.org>, "open list:DRM DRIVER FOR MSM ADRENO GPU" <dri-devel@lists.freedesktop.org>, Jordan Crouse <jordan@cosmicpenguin.net>, Sean Paul <sean@poorly.run>, open list <linux-kernel@vger.kernel.org> Subject: [PATCH] drm/msm: fix LLC not being enabled for mmu500 targets Date: Fri, 23 Apr 2021 21:49:26 -0400 [thread overview] Message-ID: <20210424014927.1661-1-jonathan@marek.ca> (raw) mmu500 targets don't have a "cx_mem" region, set llc_mmio to NULL in that case to avoid the IS_ERR() condition in a6xx_llc_activate(). Fixes: 3d247123b5a1 ("drm/msm/a6xx: Add support for using system cache on MMU500 based targets") Signed-off-by: Jonathan Marek <jonathan@marek.ca> --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 1716984c68a8..727d111a413f 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1153,10 +1153,6 @@ static void a6xx_llc_slices_init(struct platform_device *pdev, { struct device_node *phandle; - a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem", "gpu_cx"); - if (IS_ERR(a6xx_gpu->llc_mmio)) - return; - /* * There is a different programming path for targets with an mmu500 * attached, so detect if that is the case @@ -1166,6 +1162,11 @@ static void a6xx_llc_slices_init(struct platform_device *pdev, of_device_is_compatible(phandle, "arm,mmu-500")); of_node_put(phandle); + if (a6xx_gpu->have_mmu500) + a6xx_gpu->llc_mmio = NULL; + else + a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem", "gpu_cx"); + a6xx_gpu->llc_slice = llcc_slice_getd(LLCC_GPU); a6xx_gpu->htw_llc_slice = llcc_slice_getd(LLCC_GPUHTW); -- 2.26.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next reply other threads:[~2021-04-24 1:52 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-24 1:49 Jonathan Marek [this message] 2021-04-24 1:49 ` [PATCH] drm/msm: fix LLC not being enabled for mmu500 targets Jonathan Marek
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