[v3,14/14] drm/msm/dp: move interrupt handling to dp_ctrl

Message ID	20241212-fd-dp-audio-fixup-v3-14-0b1c65e7dba3@linaro.org (mailing list archive)
State	Superseded
Headers	show Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com [209.85.167.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6456320456B for <linux-arm-msm@vger.kernel.org>; Wed, 11 Dec 2024 23:42:23 +0000 (UTC) From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Date: Thu, 12 Dec 2024 01:41:49 +0200 Subject: [PATCH v3 14/14] drm/msm/dp: move interrupt handling to dp_ctrl Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241212-fd-dp-audio-fixup-v3-14-0b1c65e7dba3@linaro.org> References: <20241212-fd-dp-audio-fixup-v3-0-0b1c65e7dba3@linaro.org> In-Reply-To: <20241212-fd-dp-audio-fixup-v3-0-0b1c65e7dba3@linaro.org> To: Rob Clark <robdclark@gmail.com>, Abhinav Kumar <quic_abhinavk@quicinc.com>, Sean Paul <sean@poorly.run>, Marijn Suijten <marijn.suijten@somainline.org>, David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>, Paloma Arellano <quic_parellan@quicinc.com> Cc: Douglas Anderson <dianders@chromium.org>, Stephen Boyd <swboyd@chromium.org>, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Series	drm/msm/dp: perform misc cleanups \| expand [v3,00/14] drm/msm/dp: perform misc cleanups [v3,01/14] drm/msm/dp: set safe_to_exit_level before printing it [v3,02/14] drm/msm/dp: fix msm_dp_utils_pack_sdp_header interface [v3,03/14] drm/msm/dp: drop msm_dp_panel_dump_regs() and msm_dp_catalog_dump_regs() [v3,04/14] drm/msm/dp: pull I/O data out of msm_dp_catalog_private() [v3,05/14] drm/msm/dp: move I/O functions to global header [v3,06/14] drm/msm/dp: move/inline AUX register functions [v3,07/14] drm/msm/dp: move/inline ctrl register functions [v3,08/14] drm/msm/dp: move/inline panel related functions [v3,09/14] drm/msm/dp: use msm_dp_utils_pack_sdp_header() for audio packets [v3,10/14] drm/msm/dp: drop obsolete audio headers access through catalog [v3,11/14] drm/msm/dp: move/inline audio related functions [v3,12/14] drm/msm/dp: move more AUX functions to dp_aux.c [v3,13/14] drm/msm/dp: drop struct msm_dp_panel_in [v3,14/14] drm/msm/dp: move interrupt handling to dp_ctrl

diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp/dp_aux.c index f8ea1754665afa37ff9dbaf3f883d94c48bf07b8..d7a38fa5d64d618af463416edf13bef79d6b53ba 100644 --- a/drivers/gpu/drm/msm/dp/dp_aux.c +++ b/drivers/gpu/drm/msm/dp/dp_aux.c @@ -437,9 +437,8 @@ static ssize_t msm_dp_aux_transfer(struct drm_dp_aux *msm_dp_aux, return ret; } -irqreturn_t msm_dp_aux_isr(struct drm_dp_aux *msm_dp_aux) +irqreturn_t msm_dp_aux_isr(struct drm_dp_aux *msm_dp_aux, u32 isr) { - u32 isr; struct msm_dp_aux_private *aux; if (!msm_dp_aux) { @@ -449,12 +448,6 @@ irqreturn_t msm_dp_aux_isr(struct drm_dp_aux *msm_dp_aux) aux = container_of(msm_dp_aux, struct msm_dp_aux_private, msm_dp_aux); - isr = msm_dp_catalog_aux_get_irq(aux->catalog); - - /* no interrupts pending, return immediately */ - if (!isr) - return IRQ_NONE; - if (!aux->cmd_busy) { DRM_ERROR("Unexpected DP AUX IRQ %#010x when not busy\n", isr); return IRQ_NONE; diff --git a/drivers/gpu/drm/msm/dp/dp_aux.h b/drivers/gpu/drm/msm/dp/dp_aux.h index 624395a41ed0a75ead4826e78d05ca21e8fb8967..83908c93b6a1baa6c4eb83a346b4498704008ca5 100644 --- a/drivers/gpu/drm/msm/dp/dp_aux.h +++ b/drivers/gpu/drm/msm/dp/dp_aux.h @@ -11,7 +11,7 @@ int msm_dp_aux_register(struct drm_dp_aux *msm_dp_aux); void msm_dp_aux_unregister(struct drm_dp_aux *msm_dp_aux); -irqreturn_t msm_dp_aux_isr(struct drm_dp_aux *msm_dp_aux); +irqreturn_t msm_dp_aux_isr(struct drm_dp_aux *msm_dp_aux, u32 isr); void msm_dp_aux_enable_xfers(struct drm_dp_aux *msm_dp_aux, bool enabled); void msm_dp_aux_init(struct drm_dp_aux *msm_dp_aux); void msm_dp_aux_deinit(struct drm_dp_aux *msm_dp_aux); diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 22e2b3147399c0dcce21b9138c24eb699660f21a..8d90bb0e3fef9cdfc403a4de6a8a0834674d62d5 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -15,41 +15,6 @@ #include "dp_catalog.h" #include "dp_reg.h" -#define POLLING_SLEEP_US 1000 -#define POLLING_TIMEOUT_US 10000 - -#define DP_INTERRUPT_STATUS_ACK_SHIFT 1 -#define DP_INTERRUPT_STATUS_MASK_SHIFT 2 - -#define DP_INTERRUPT_STATUS1 \ - (DP_INTR_AUX_XFER_DONE| \ - DP_INTR_WRONG_ADDR | DP_INTR_TIMEOUT | \ - DP_INTR_NACK_DEFER | DP_INTR_WRONG_DATA_CNT | \ - DP_INTR_I2C_NACK | DP_INTR_I2C_DEFER | \ - DP_INTR_PLL_UNLOCKED | DP_INTR_AUX_ERROR) - -#define DP_INTERRUPT_STATUS1_ACK \ - (DP_INTERRUPT_STATUS1 << DP_INTERRUPT_STATUS_ACK_SHIFT) -#define DP_INTERRUPT_STATUS1_MASK \ - (DP_INTERRUPT_STATUS1 << DP_INTERRUPT_STATUS_MASK_SHIFT) - -#define DP_INTERRUPT_STATUS2 \ - (DP_INTR_READY_FOR_VIDEO | DP_INTR_IDLE_PATTERN_SENT | \ - DP_INTR_FRAME_END | DP_INTR_CRC_UPDATED) - -#define DP_INTERRUPT_STATUS2_ACK \ - (DP_INTERRUPT_STATUS2 << DP_INTERRUPT_STATUS_ACK_SHIFT) -#define DP_INTERRUPT_STATUS2_MASK \ - (DP_INTERRUPT_STATUS2 << DP_INTERRUPT_STATUS_MASK_SHIFT) - -#define DP_INTERRUPT_STATUS4 \ - (PSR_UPDATE_INT | PSR_CAPTURE_INT | PSR_EXIT_INT | \ - PSR_UPDATE_ERROR_INT | PSR_WAKE_ERROR_INT) - -#define DP_INTERRUPT_MASK4 \ - (PSR_UPDATE_MASK | PSR_CAPTURE_MASK | PSR_EXIT_MASK | \ - PSR_UPDATE_ERROR_MASK | PSR_WAKE_ERROR_MASK) - #define DP_DEFAULT_AHB_OFFSET 0x0000 #define DP_DEFAULT_AHB_SIZE 0x0200 #define DP_DEFAULT_AUX_OFFSET 0x0200 @@ -77,21 +42,6 @@ void msm_dp_catalog_snapshot(struct msm_dp_catalog *msm_dp_catalog, struct msm_d msm_dp_catalog->p0_len, msm_dp_catalog->p0_base, "dp_p0"); } -u32 msm_dp_catalog_aux_get_irq(struct msm_dp_catalog *msm_dp_catalog) -{ - u32 intr, intr_ack; - - intr = msm_dp_read_ahb(msm_dp_catalog, REG_DP_INTR_STATUS); - intr &= ~DP_INTERRUPT_STATUS1_MASK; - intr_ack = (intr & DP_INTERRUPT_STATUS1) - << DP_INTERRUPT_STATUS_ACK_SHIFT; - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS, - intr_ack | DP_INTERRUPT_STATUS1_MASK); - - return intr; - -} - /** * msm_dp_catalog_hw_revision() - retrieve DP hw revision * @@ -105,51 +55,6 @@ u32 msm_dp_catalog_hw_revision(const struct msm_dp_catalog *msm_dp_catalog) return msm_dp_read_ahb(msm_dp_catalog, REG_DP_HW_VERSION); } -void msm_dp_catalog_ctrl_enable_irq(struct msm_dp_catalog *msm_dp_catalog, - bool enable) -{ - if (enable) { - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS, - DP_INTERRUPT_STATUS1_MASK); - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2, - DP_INTERRUPT_STATUS2_MASK); - } else { - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS, 0x00); - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2, 0x00); - } -} - -u32 msm_dp_catalog_ctrl_read_psr_interrupt_status(struct msm_dp_catalog *msm_dp_catalog) -{ - u32 intr, intr_ack; - - intr = msm_dp_read_ahb(msm_dp_catalog, REG_DP_INTR_STATUS4); - intr_ack = (intr & DP_INTERRUPT_STATUS4) - << DP_INTERRUPT_STATUS_ACK_SHIFT; - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS4, intr_ack); - - return intr; -} - -void msm_dp_catalog_ctrl_config_psr_interrupt(struct msm_dp_catalog *msm_dp_catalog) -{ - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_MASK4, DP_INTERRUPT_MASK4); -} - -int msm_dp_catalog_ctrl_get_interrupt(struct msm_dp_catalog *msm_dp_catalog) -{ - u32 intr, intr_ack; - - intr = msm_dp_read_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2); - intr &= ~DP_INTERRUPT_STATUS2_MASK; - intr_ack = (intr & DP_INTERRUPT_STATUS2) - << DP_INTERRUPT_STATUS_ACK_SHIFT; - msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2, - intr_ack | DP_INTERRUPT_STATUS2_MASK); - - return intr; -} - static void __iomem *msm_dp_ioremap(struct platform_device *pdev, int idx, size_t *len) { struct resource *res; diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h index 789403e332c1a2108ded4f96b049fd00bb34e326..310319619242df5fa0d91c89fbcc477f16c130ea 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.h +++ b/drivers/gpu/drm/msm/dp/dp_catalog.h @@ -11,23 +11,6 @@ #include "dp_utils.h" #include "disp/msm_disp_snapshot.h" -/* interrupts */ -#define DP_INTR_HPD BIT(0) -#define DP_INTR_AUX_XFER_DONE BIT(3) -#define DP_INTR_WRONG_ADDR BIT(6) -#define DP_INTR_TIMEOUT BIT(9) -#define DP_INTR_NACK_DEFER BIT(12) -#define DP_INTR_WRONG_DATA_CNT BIT(15) -#define DP_INTR_I2C_NACK BIT(18) -#define DP_INTR_I2C_DEFER BIT(21) -#define DP_INTR_PLL_UNLOCKED BIT(24) -#define DP_INTR_AUX_ERROR BIT(27) - -#define DP_INTR_READY_FOR_VIDEO BIT(0) -#define DP_INTR_IDLE_PATTERN_SENT BIT(3) -#define DP_INTR_FRAME_END BIT(6) -#define DP_INTR_CRC_UPDATED BIT(9) - #define DP_HW_VERSION_1_0 0x10000000 #define DP_HW_VERSION_1_2 0x10020000 @@ -112,15 +95,8 @@ static inline void msm_dp_write_link(struct msm_dp_catalog *msm_dp_catalog, /* Debug module */ void msm_dp_catalog_snapshot(struct msm_dp_catalog *msm_dp_catalog, struct msm_disp_state *disp_state); -/* AUX APIs */ -u32 msm_dp_catalog_aux_get_irq(struct msm_dp_catalog *msm_dp_catalog); - /* DP Controller APIs */ u32 msm_dp_catalog_hw_revision(const struct msm_dp_catalog *msm_dp_catalog); -void msm_dp_catalog_ctrl_enable_irq(struct msm_dp_catalog *msm_dp_catalog, bool enable); -int msm_dp_catalog_ctrl_get_interrupt(struct msm_dp_catalog *msm_dp_catalog); -void msm_dp_catalog_ctrl_config_psr_interrupt(struct msm_dp_catalog *msm_dp_catalog); -u32 msm_dp_catalog_ctrl_read_psr_interrupt_status(struct msm_dp_catalog *msm_dp_catalog); struct msm_dp_catalog *msm_dp_catalog_get(struct device *dev); diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 5f32ee2fa0438cd12726540a59ab4849d47ee8c2..f978b599bf14c8fc418f0f2dfe40ca911f8957fe 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -30,6 +30,38 @@ #define PSR_OPERATION_COMPLETION_TIMEOUT_JIFFIES (300 * HZ / 1000) /* 300 ms */ #define WAIT_FOR_VIDEO_READY_TIMEOUT_JIFFIES (HZ / 2) +#define DP_INTERRUPT_STATUS_ACK_SHIFT 1 +#define DP_INTERRUPT_STATUS_MASK_SHIFT 2 + +#define DP_INTERRUPT_STATUS1 \ + (DP_INTR_AUX_XFER_DONE| \ + DP_INTR_WRONG_ADDR | DP_INTR_TIMEOUT | \ + DP_INTR_NACK_DEFER | DP_INTR_WRONG_DATA_CNT | \ + DP_INTR_I2C_NACK | DP_INTR_I2C_DEFER | \ + DP_INTR_PLL_UNLOCKED | DP_INTR_AUX_ERROR) + +#define DP_INTERRUPT_STATUS1_ACK \ + (DP_INTERRUPT_STATUS1 << DP_INTERRUPT_STATUS_ACK_SHIFT) +#define DP_INTERRUPT_STATUS1_MASK \ + (DP_INTERRUPT_STATUS1 << DP_INTERRUPT_STATUS_MASK_SHIFT) + +#define DP_INTERRUPT_STATUS2 \ + (DP_INTR_READY_FOR_VIDEO | DP_INTR_IDLE_PATTERN_SENT | \ + DP_INTR_FRAME_END | DP_INTR_CRC_UPDATED) + +#define DP_INTERRUPT_STATUS2_ACK \ + (DP_INTERRUPT_STATUS2 << DP_INTERRUPT_STATUS_ACK_SHIFT) +#define DP_INTERRUPT_STATUS2_MASK \ + (DP_INTERRUPT_STATUS2 << DP_INTERRUPT_STATUS_MASK_SHIFT) + +#define DP_INTERRUPT_STATUS4 \ + (PSR_UPDATE_INT | PSR_CAPTURE_INT | PSR_EXIT_INT | \ + PSR_UPDATE_ERROR_INT | PSR_WAKE_ERROR_INT) + +#define DP_INTERRUPT_MASK4 \ + (PSR_UPDATE_MASK | PSR_CAPTURE_MASK | PSR_EXIT_MASK | \ + PSR_UPDATE_ERROR_MASK | PSR_WAKE_ERROR_MASK) + #define DP_CTRL_INTR_READY_FOR_VIDEO BIT(0) #define DP_CTRL_INTR_IDLE_PATTERN_SENT BIT(3) @@ -126,8 +158,10 @@ static int msm_dp_aux_link_configure(struct drm_dp_aux *aux, /* * NOTE: resetting DP controller will also clear any pending HPD related interrupts */ -static void msm_dp_ctrl_reset(struct msm_dp_ctrl_private *ctrl) +void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl) { + struct msm_dp_ctrl_private *ctrl = + container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; u32 sw_reset; @@ -141,6 +175,79 @@ static void msm_dp_ctrl_reset(struct msm_dp_ctrl_private *ctrl) msm_dp_write_ahb(msm_dp_catalog, REG_DP_SW_RESET, sw_reset); } +static u32 msm_dp_ctrl_get_aux_interrupt(struct msm_dp_ctrl_private *ctrl) +{ + struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; + u32 intr, intr_ack; + + intr = msm_dp_read_ahb(msm_dp_catalog, REG_DP_INTR_STATUS); + intr &= ~DP_INTERRUPT_STATUS1_MASK; + intr_ack = (intr & DP_INTERRUPT_STATUS1) + << DP_INTERRUPT_STATUS_ACK_SHIFT; + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS, + intr_ack | DP_INTERRUPT_STATUS1_MASK); + + return intr; + +} + +static u32 msm_dp_ctrl_get_interrupt(struct msm_dp_ctrl_private *ctrl) +{ + struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; + u32 intr, intr_ack; + + intr = msm_dp_read_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2); + intr &= ~DP_INTERRUPT_STATUS2_MASK; + intr_ack = (intr & DP_INTERRUPT_STATUS2) + << DP_INTERRUPT_STATUS_ACK_SHIFT; + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2, + intr_ack | DP_INTERRUPT_STATUS2_MASK); + + return intr; +} + +void msm_dp_ctrl_enable_irq(struct msm_dp_ctrl *msm_dp_ctrl) +{ + struct msm_dp_ctrl_private *ctrl = + container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); + struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; + + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS, + DP_INTERRUPT_STATUS1_MASK); + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2, + DP_INTERRUPT_STATUS2_MASK); +} + +void msm_dp_ctrl_disable_irq(struct msm_dp_ctrl *msm_dp_ctrl) +{ + struct msm_dp_ctrl_private *ctrl = + container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); + struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; + + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS, 0x00); + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS2, 0x00); +} + +static u32 msm_dp_ctrl_get_psr_interrupt(struct msm_dp_ctrl_private *ctrl) +{ + struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; + u32 intr, intr_ack; + + intr = msm_dp_read_ahb(msm_dp_catalog, REG_DP_INTR_STATUS4); + intr_ack = (intr & DP_INTERRUPT_STATUS4) + << DP_INTERRUPT_STATUS_ACK_SHIFT; + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_STATUS4, intr_ack); + + return intr; +} + +static void msm_dp_ctrl_config_psr_interrupt(struct msm_dp_ctrl_private *ctrl) +{ + struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; + + msm_dp_write_ahb(msm_dp_catalog, REG_DP_INTR_MASK4, DP_INTERRUPT_MASK4); +} + static void msm_dp_ctrl_psr_mainlink_enable(struct msm_dp_ctrl_private *ctrl) { struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; @@ -1630,23 +1737,6 @@ static int msm_dp_ctrl_enable_mainlink_clocks(struct msm_dp_ctrl_private *ctrl) return ret; } -void msm_dp_ctrl_reset_irq_ctrl(struct msm_dp_ctrl *msm_dp_ctrl, bool enable) -{ - struct msm_dp_ctrl_private *ctrl; - - ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); - - msm_dp_ctrl_reset(ctrl); - - /* - * all dp controller programmable registers will not - * be reset to default value after DP_SW_RESET - * therefore interrupt mask bits have to be updated - * to enable/disable interrupts - */ - msm_dp_catalog_ctrl_enable_irq(ctrl->catalog, enable); -} - static void msm_dp_ctrl_enable_sdp(struct msm_dp_ctrl_private *ctrl) { struct msm_dp_catalog *msm_dp_catalog = ctrl->catalog; @@ -1699,7 +1789,7 @@ void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl) cfg |= PSR1_SUPPORTED; msm_dp_write_link(msm_dp_catalog, REG_PSR_CONFIG, cfg); - msm_dp_catalog_ctrl_config_psr_interrupt(msm_dp_catalog); + msm_dp_ctrl_config_psr_interrupt(ctrl); msm_dp_ctrl_enable_sdp(ctrl); cfg = DP_PSR_ENABLE; @@ -1824,7 +1914,7 @@ static int msm_dp_ctrl_deinitialize_mainlink(struct msm_dp_ctrl_private *ctrl) msm_dp_ctrl_mainlink_disable(ctrl); - msm_dp_ctrl_reset(ctrl); + msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl); dev_pm_opp_set_rate(ctrl->dev, 0); msm_dp_ctrl_link_clk_disable(&ctrl->msm_dp_ctrl); @@ -2453,7 +2543,7 @@ void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl) msm_dp_ctrl_mainlink_disable(ctrl); - msm_dp_ctrl_reset(ctrl); + msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl); if (ctrl->stream_clks_on) { clk_disable_unprepare(ctrl->pixel_clk); @@ -2480,7 +2570,7 @@ irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl) ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); if (ctrl->panel->psr_cap.version) { - isr = msm_dp_catalog_ctrl_read_psr_interrupt_status(ctrl->catalog); + isr = msm_dp_ctrl_get_psr_interrupt(ctrl); if (isr) complete(&ctrl->psr_op_comp); @@ -2495,8 +2585,7 @@ irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl) drm_dbg_dp(ctrl->drm_dev, "PSR frame capture done\n"); } - isr = msm_dp_catalog_ctrl_get_interrupt(ctrl->catalog); - + isr = msm_dp_ctrl_get_interrupt(ctrl); if (isr & DP_CTRL_INTR_READY_FOR_VIDEO) { drm_dbg_dp(ctrl->drm_dev, "dp_video_ready\n"); @@ -2510,6 +2599,11 @@ irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl) ret = IRQ_HANDLED; } + /* DP aux isr */ + isr = msm_dp_ctrl_get_aux_interrupt(ctrl); + if (isr) + ret |= msm_dp_aux_isr(ctrl->aux, isr); + return ret; } diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index b7abfedbf5749c25877a0b8ba3af3d8ed4b23d67..10a4b7cf0335a584b4db67baca882620d7bab74c 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -30,7 +30,7 @@ struct msm_dp_ctrl *msm_dp_ctrl_get(struct device *dev, struct msm_dp_link *link struct msm_dp_catalog *catalog, struct phy *phy); -void msm_dp_ctrl_reset_irq_ctrl(struct msm_dp_ctrl *msm_dp_ctrl, bool enable); +void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_phy_init(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_phy_exit(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_irq_phy_exit(struct msm_dp_ctrl *msm_dp_ctrl); @@ -41,4 +41,7 @@ void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl); int msm_dp_ctrl_core_clk_enable(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_core_clk_disable(struct msm_dp_ctrl *msm_dp_ctrl); +void msm_dp_ctrl_enable_irq(struct msm_dp_ctrl *msm_dp_ctrl); +void msm_dp_ctrl_disable_irq(struct msm_dp_ctrl *msm_dp_ctrl); + #endif /* _DP_CTRL_H_ */ diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index a2cdcdac042d63a59ff71aefcecb7f8b22f01167..86b2af83301df8206dbe1d0ad1bec091034a6c9c 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -440,7 +440,8 @@ static void msm_dp_display_host_init(struct msm_dp_display_private *dp) dp->phy_initialized); msm_dp_ctrl_core_clk_enable(dp->ctrl); - msm_dp_ctrl_reset_irq_ctrl(dp->ctrl, true); + msm_dp_ctrl_reset(dp->ctrl); + msm_dp_ctrl_enable_irq(dp->ctrl); msm_dp_aux_init(dp->aux); dp->core_initialized = true; } @@ -451,7 +452,8 @@ static void msm_dp_display_host_deinit(struct msm_dp_display_private *dp) dp->msm_dp_display.connector_type, dp->core_initialized, dp->phy_initialized); - msm_dp_ctrl_reset_irq_ctrl(dp->ctrl, false); + msm_dp_ctrl_reset(dp->ctrl); + msm_dp_ctrl_disable_irq(dp->ctrl); msm_dp_aux_deinit(dp->aux); msm_dp_ctrl_core_clk_disable(dp->ctrl); dp->core_initialized = false; @@ -1165,9 +1167,6 @@ static irqreturn_t msm_dp_display_irq_handler(int irq, void *dev_id) /* DP controller isr */ ret |= msm_dp_ctrl_isr(dp->ctrl); - /* DP aux isr */ - ret |= msm_dp_aux_isr(dp->aux); - return ret; } diff --git a/drivers/gpu/drm/msm/dp/dp_reg.h b/drivers/gpu/drm/msm/dp/dp_reg.h index 3835c7f5cb984406f8fc52ea765ef2315e0d175b..d17e077ded73251624b5fb1bfbd8f213b4a86d65 100644 --- a/drivers/gpu/drm/msm/dp/dp_reg.h +++ b/drivers/gpu/drm/msm/dp/dp_reg.h @@ -21,8 +21,25 @@ #define REG_DP_CLK_CTRL (0x00000018) #define REG_DP_CLK_ACTIVE (0x0000001C) + #define REG_DP_INTR_STATUS (0x00000020) +#define DP_INTR_HPD BIT(0) +#define DP_INTR_AUX_XFER_DONE BIT(3) +#define DP_INTR_WRONG_ADDR BIT(6) +#define DP_INTR_TIMEOUT BIT(9) +#define DP_INTR_NACK_DEFER BIT(12) +#define DP_INTR_WRONG_DATA_CNT BIT(15) +#define DP_INTR_I2C_NACK BIT(18) +#define DP_INTR_I2C_DEFER BIT(21) +#define DP_INTR_PLL_UNLOCKED BIT(24) +#define DP_INTR_AUX_ERROR BIT(27) + #define REG_DP_INTR_STATUS2 (0x00000024) +#define DP_INTR_READY_FOR_VIDEO BIT(0) +#define DP_INTR_IDLE_PATTERN_SENT BIT(3) +#define DP_INTR_FRAME_END BIT(6) +#define DP_INTR_CRC_UPDATED BIT(9) + #define REG_DP_INTR_STATUS3 (0x00000028) #define REG_DP_INTR_STATUS4 (0x0000002C)

[v3,14/14] drm/msm/dp: move interrupt handling to dp_ctrl

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