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Thu, 22 Feb 2024 07:55:24 -0800 (PST) Received: from [127.0.1.1] ([188.24.162.93]) by smtp.gmail.com with ESMTPSA id v7-20020aa7dbc7000000b00564e489ce9asm1924247edt.12.2024.02.22.07.55.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Feb 2024 07:55:23 -0800 (PST) From: Abel Vesa Date: Thu, 22 Feb 2024 17:55:07 +0200 Subject: [PATCH v2 2/3] drm/msm/dp: Add support for setting the eDP mode from devicetree Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240222-x1e80100-display-refactor-connector-v2-2-bd4197dfceab@linaro.org> References: <20240222-x1e80100-display-refactor-connector-v2-0-bd4197dfceab@linaro.org> In-Reply-To: <20240222-x1e80100-display-refactor-connector-v2-0-bd4197dfceab@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kuogee Hsieh , Bjorn Andersson , Konrad Dybcio , Dmitry Baryshkov , Johan Hovold Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Instead of relying on different compatibles for eDP and DP, use the is-edp property from DT to figure out the connector type and then pass on that information to the PHY. Reviewed-by: Dmitry Baryshkov Signed-off-by: Abel Vesa Reviewed-by: Bjorn Andersson --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 11 +++++++++++ drivers/gpu/drm/msm/dp/dp_ctrl.h | 1 + drivers/gpu/drm/msm/dp/dp_display.c | 17 ++++++++++++++--- 3 files changed, 26 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 320f17fce9a6..bd81cc6bd5e3 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1533,6 +1533,17 @@ void dp_ctrl_set_psr(struct dp_ctrl *dp_ctrl, bool enter) } } +int dp_ctrl_phy_set_mode(struct dp_ctrl *dp_ctrl, int submode) +{ + struct dp_ctrl_private *ctrl; + struct phy *phy; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + phy = ctrl->phy; + + return phy_set_mode_ext(phy, PHY_MODE_DP, submode); +} + void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl) { struct dp_ctrl_private *ctrl; diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index fa014cee7e21..a10d1b19d172 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -32,6 +32,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, struct phy *phy); void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable); +int dp_ctrl_phy_set_mode(struct dp_ctrl *dp_ctrl, int mode); void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl); void dp_ctrl_phy_exit(struct dp_ctrl *dp_ctrl); void dp_ctrl_irq_phy_exit(struct dp_ctrl *dp_ctrl); diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index e4433891becb..e01b41ad2e2a 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1229,6 +1229,7 @@ static int dp_display_probe(struct platform_device *pdev) int rc = 0; struct dp_display_private *dp; const struct msm_dp_desc *desc; + bool is_edp; if (!pdev || !pdev->dev.of_node) { DRM_ERROR("pdev not found\n"); @@ -1243,13 +1244,17 @@ static int dp_display_probe(struct platform_device *pdev) if (!desc) return -EINVAL; + is_edp = (desc->connector_type == DRM_MODE_CONNECTOR_eDP) || + of_property_read_bool(pdev->dev.of_node, "is-edp"); + dp->dp_display.pdev = pdev; dp->name = "drm_dp"; dp->id = desc->id; - dp->dp_display.connector_type = desc->connector_type; + dp->dp_display.connector_type = is_edp ? + DRM_MODE_CONNECTOR_eDP : + DRM_MODE_CONNECTOR_DisplayPort; dp->wide_bus_en = desc->wide_bus_en; - dp->dp_display.is_edp = - (dp->dp_display.connector_type == DRM_MODE_CONNECTOR_eDP); + dp->dp_display.is_edp = is_edp; rc = dp_init_sub_modules(dp); if (rc) { @@ -1257,6 +1262,12 @@ static int dp_display_probe(struct platform_device *pdev) return -EPROBE_DEFER; } + rc = dp_ctrl_phy_set_mode(dp->ctrl, is_edp ? PHY_SUBMODE_EDP : PHY_SUBMODE_DP); + if (rc) { + DRM_ERROR("setting PHY submode failed\n"); + goto err; + } + /* setup event q */ mutex_init(&dp->event_mutex); init_waitqueue_head(&dp->event_q);