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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Switching the PHY Mode requires the DisplayPort PHY to be powered off, keep track of the DisplayPort phy power state. Signed-off-by: Neil Armstrong --- drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 2f341613fd31..3721bbea9eae 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -1500,6 +1500,7 @@ struct qmp_combo { unsigned int dp_aux_cfg; struct phy_configure_opts_dp dp_opts; unsigned int dp_init_count; + bool dp_powered_on; struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; @@ -2627,6 +2628,8 @@ static int qmp_combo_dp_power_on(struct phy *phy) /* Configure link rate, swing, etc. */ cfg->configure_dp_phy(qmp); + qmp->dp_powered_on = true; + mutex_unlock(&qmp->phy_mutex); return 0; @@ -2641,6 +2644,8 @@ static int qmp_combo_dp_power_off(struct phy *phy) /* Assert DP PHY power down */ writel(DP_PHY_PD_CTL_PSR_PWRDN, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); + qmp->dp_powered_on = false; + mutex_unlock(&qmp->phy_mutex); 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240229_050714_883031_CDA6973A X-CRM114-Status: UNSURE ( 8.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Switching the PHY Mode requires the DisplayPort PHY to be powered off, keep track of the DisplayPort phy power state. Signed-off-by: Neil Armstrong --- drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 2f341613fd31..3721bbea9eae 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -1500,6 +1500,7 @@ struct qmp_combo { unsigned int dp_aux_cfg; struct phy_configure_opts_dp dp_opts; unsigned int dp_init_count; + bool dp_powered_on; struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; @@ -2627,6 +2628,8 @@ static int qmp_combo_dp_power_on(struct phy *phy) /* Configure link rate, swing, etc. */ cfg->configure_dp_phy(qmp); + qmp->dp_powered_on = true; + mutex_unlock(&qmp->phy_mutex); return 0; @@ -2641,6 +2644,8 @@ static int qmp_combo_dp_power_off(struct phy *phy) /* Assert DP PHY power down */ writel(DP_PHY_PD_CTL_PSR_PWRDN, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); + qmp->dp_powered_on = false; + mutex_unlock(&qmp->phy_mutex); return 0; -- 2.34.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy