From: Rob Clark <robdclark@gmail.com> To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, Sean Paul <seanpaul@chromium.org>, Georgi Djakov <georgi.djakov@linaro.org>, Rob Clark <robdclark@chromium.org>, Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Rajesh Yadav <ryadav@codeaurora.org>, Boris Brezillon <bbrezillon@kernel.org>, Mamta Shukla <mamtashukla555@gmail.com>, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] drm/msm/mdp5: Use the interconnect API Date: Tue, 18 Jun 2019 13:24:13 -0700 Message-ID: <20190618202425.15259-6-robdclark@gmail.com> (raw) In-Reply-To: <20190618202425.15259-1-robdclark@gmail.com> From: Georgi Djakov <georgi.djakov@linaro.org> The interconnect API provides an interface for consumer drivers to express their bandwidth needs in the SoC. This data is aggregated and the on-chip interconnect hardware is configured to the most appropriate power/performance profile. Use the API to configure the interconnects and request bandwidth between DDR and the display hardware (MDP port(s) and rotator downscaler). v2: update the path names to be consistent with dpu, handle the NULL path case, updated commit msg from Georgi. Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org> --- drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index 97179bec8902..eeac429acf40 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -16,6 +16,7 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/interconnect.h> #include <linux/of_irq.h> #include "msm_drv.h" @@ -1050,6 +1051,19 @@ static const struct component_ops mdp5_ops = { static int mdp5_dev_probe(struct platform_device *pdev) { + struct icc_path *path0 = of_icc_get(&pdev->dev, "mdp0-mem"); + struct icc_path *path1 = of_icc_get(&pdev->dev, "mdp1-mem"); + struct icc_path *path_rot = of_icc_get(&pdev->dev, "rotator-mem"); + + if (IS_ERR_OR_NULL(path0)) + return PTR_ERR_OR_ZERO(path0); + icc_set_bw(path0, 0, MBps_to_icc(6400)); + + if (!IS_ERR_OR_NULL(path1)) + icc_set_bw(path1, 0, MBps_to_icc(6400)); + if (!IS_ERR_OR_NULL(path_rot)) + icc_set_bw(path_rot, 0, MBps_to_icc(6400)); + DBG(""); return component_add(&pdev->dev, &mdp5_ops); } -- 2.20.1
next prev parent reply index Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-18 20:24 [PATCH 0/5] drm/msm: mdp5+dpu interconnect support Rob Clark 2019-06-18 20:24 ` [PATCH 1/5] drm/msm/dpu: clean up references of DPU custom bus scaling Rob Clark 2019-06-18 20:39 ` Sean Paul 2019-06-18 20:24 ` [PATCH 2/5] drm/msm/dpu: Integrate interconnect API in MDSS Rob Clark 2019-06-18 20:42 ` Sean Paul 2019-06-18 20:24 ` [PATCH 3/5] dt-bindings: msm/disp: Introduce interconnect bindings for MDSS on SDM845 Rob Clark 2019-06-18 20:24 ` [PATCH 4/5] drm/msm/dpu: add icc voting in dpu_mdss_init Rob Clark 2019-06-18 20:24 ` Rob Clark [this message] 2019-06-18 20:44 ` [Freedreno] [PATCH 5/5] drm/msm/mdp5: Use the interconnect API Jeffrey Hugo 2019-06-18 21:17 ` Rob Clark 2019-06-18 22:10 ` [PATCH 5/5 v3] " Rob Clark 2019-06-20 14:48 ` [Freedreno] " Jeffrey Hugo [not found] <20190508204219.31687-1-robdclark@gmail.com> 2019-05-08 20:42 ` [PATCH 5/5] " Rob Clark 2019-05-13 14:49 ` Sean Paul 2019-05-29 13:08 ` Georgi Djakov
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