drm: mediatek: Add hbm node (9c87404d) · Commits · e / devices / android_kernel_nothing_tetris-device_modules

drivers/gpu/drm/mediatek/mediatek_v2/mtk_drm_crtc.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -16143,10 +16143,10 @@ static void mtk_drm_crtc_atomic_flush(struct drm_crtc *crtc,
		if (pending_planes)
		mtk_crtc->pending_planes = true;

		if (mtk_drm_helper_get_opt(priv->helper_opt, MTK_DRM_OPT_HBM)) {
		if (mtk_drm_helper_get_opt(priv->helper_opt, MTK_DRM_OPT_HBM) \|\| mtk_crtc->hbm_requested) {
		bool hbm_en = false;

		hbm_en = (bool)mtk_crtc_state->prop_val[CRTC_PROP_HBM_ENABLE];
		hbm_en = (bool)mtk_crtc_state->prop_val[CRTC_PROP_HBM_ENABLE] \|\| mtk_crtc->hbm_requested;
		mtk_drm_crtc_set_panel_hbm(crtc, hbm_en);
		mtk_drm_crtc_hbm_wait(crtc, hbm_en);

drivers/gpu/drm/mediatek/mediatek_v2/mtk_drm_crtc.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -1148,6 +1148,8 @@ struct mtk_drm_crtc {
		unsigned int usage_ovl_weight[OVL_LAYER_NR];

		bool is_plane0_updated;

		bool hbm_requested;
		};

		enum BL_GAMMA_GAIN {

drivers/gpu/drm/mediatek/mediatek_v2/mtk_dsi.c

+54 −0

Original line number	Diff line number	Diff line
		@@ -11617,6 +11617,55 @@ static int mtk_dsi_set_partial_update(struct mtk_ddp_comp *comp,
		return 0;
		}

		static ssize_t hbm_show(struct device dev, struct device_attribute attr,
		char *buf)
		{
		struct mtk_dsi *dsi = dev_get_drvdata(dev);
		struct mtk_panel_ext *ext = dsi->ext;
		bool hbm = false;
		if (ext && ext->funcs && ext->funcs->hbm_get_state)
		ext->funcs->hbm_get_state(dsi->panel, &hbm);
		else
		DDPPR_ERR("%s: hbm_get_state is NULL\n", __func__);
		return scnprintf(buf, PAGE_SIZE, "%d\n", hbm);
		}
		static ssize_t hbm_store(struct device dev, struct device_attribute attr,
		const char *buf, size_t count)
		{
		struct mtk_dsi *dsi = dev_get_drvdata(dev);
		struct drm_crtc *crtc = dsi->encoder.crtc;
		struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
		bool hbm_en = false;
		int ret = 0;
		ret = kstrtobool(buf, &hbm_en);
		if (ret)
		return ret;
		mtk_crtc->hbm_requested = hbm_en;
		ret = mtk_drm_crtc_set_panel_hbm(crtc, hbm_en);
		if (ret)
		return ret;
		return count;
		}
		static DEVICE_ATTR_RW(hbm);
		// Initialization
		static struct attribute *mtk_dsi_attrs[] = {
		&dev_attr_hbm.attr,
		NULL,
		};
		static const struct attribute_group mtk_dsi_attr_group = {
		.attrs = mtk_dsi_attrs,
		};
		static int mtk_dsi_sysfs_init(struct mtk_dsi *dsi)
		{
		int ret = 0;
		ret = sysfs_create_group(&dsi->dev->kobj, &mtk_dsi_attr_group);
		if (ret) {
		DDPPR_ERR("%s: failed to create sysfs group\n", __func__);
		return ret;
		}
		return 0;
		}

		static const struct mtk_ddp_comp_funcs mtk_dsi_funcs = {
		.config = mtk_dsi_ddp_config,
		.first_cfg = mtk_dsi_first_cfg,
		@@ -12253,6 +12302,11 @@ static int mtk_dsi_probe(struct platform_device *pdev)

		platform_set_drvdata(pdev, dsi);

		ret = mtk_dsi_sysfs_init(dsi);
		if (ret) {
		dev_err(dev, "Failed to initialize sysfs: %d\n", ret);
		}

		ret = component_add(&pdev->dev, &mtk_dsi_component_ops);
		if (ret != 0) {
		dev_err(dev, "Failed to add component: %d\n", ret);