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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-51768c76e53sm12480851cf.4.2026.06.02.02.12.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jun 2026 02:12:10 -0700 (PDT) From: Yongxing Mou Date: Tue, 02 Jun 2026 17:11:22 +0800 Subject: [PATCH v6 10/15] drm/msm/dp: allow dp_ctrl stream APIs to use any panel passed to it MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260602-dp_mstclean-v6-10-2c17ff40a9b2@oss.qualcomm.com> References: <20260602-dp_mstclean-v6-0-2c17ff40a9b2@oss.qualcomm.com> In-Reply-To: <20260602-dp_mstclean-v6-0-2c17ff40a9b2@oss.qualcomm.com> To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Yongxing Mou , Abhinav Kumar X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780391476; l=32290; i=yongxing.mou@oss.qualcomm.com; s=20250910; h=from:subject:message-id; bh=0/xJup617qd9RHy62Q62tgv+NCDfsSbiBTKALpu4TLA=; b=PvCJvZ3XBMWjWDWjL4M8ORF4no4nuilzQctn5deU+XL5/rJsXgvui/l51NMdyocuvxytamxJL RYKPjUHgZWqD/5iBvKnL/4GOpCEkrrQurrTwB3+UImlN/WLaezpw28e X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=rAy5J1eP+V7OXqH5FJ7ngMCtUrnHhut30ZTldOj52UM= X-Proofpoint-ORIG-GUID: D04eZFrJnUL_uV5BpHu9bhtONKH6xD9X X-Proofpoint-GUID: D04eZFrJnUL_uV5BpHu9bhtONKH6xD9X X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAyMDA4NiBTYWx0ZWRfX1OvvLHj5kQ3o Y6Vi19YlExputsqIH9AOVaLkvhI98lzprxUKF3LfMvq8Nu6KGBUxdreF1eJvXlI4HFxsdcVeqWf fNldDk1ApSVHJWnICKn9BxHLyvZLk0U0N0U3HP7c9tGL4q+WF/k/cIjhGnVkCLCrZAh4BdUcepS zT3Rt4gZCH+U+mw+vEK0WnDgg3MJ0ujbdd1cKx19K/DdhP3wfX+DHMKCXpEBbBZXcE/v/nI6C9d OFzuEzFZgiNU+cEeb/U8uTOryABsuWZQ0Q4ghAgMrRl3MNTS6LnsyceTx+k/odsmjXZCyyYsySK pG0lUgTyvUNqgt8QofxgE/IN9V8MNu+kw685ItaxHaLcl7K4cQsO9b+gTYjY76OSSB3XByNLLCm PbfkwvhUoheM9ObrSeFtjthjFYa/zhR0DIVESoVt9OGROwwCoL0pYl8lEZ0LiG4Ui8dOXuIVwLS 9vXuCcJ/2eQD7sFGHiA== X-Authority-Analysis: v=2.4 cv=FcoHAp+6 c=1 sm=1 tr=0 ts=6a1e9e6c cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=531mWe0hPKX_9nM1v_MA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_07,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 bulkscore=0 impostorscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606020086 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Abhinav Kumar With MST, multiple sinks share a single DP controller, so a cached panel in msm_dp_ctrl_private can no longer represent the per-stream sink. Drop the cache and pass panel explicitly to all stream-related dp_ctrl APIs. Signed-off-by: Abhinav Kumar Signed-off-by: Yongxing Mou --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 196 ++++++++++++++++++++---------------- drivers/gpu/drm/msm/dp/dp_ctrl.h | 28 ++++-- drivers/gpu/drm/msm/dp/dp_display.c | 24 ++--- 3 files changed, 140 insertions(+), 108 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index d0c5ffb907e5..902a6f5d181d 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -114,7 +114,6 @@ struct msm_dp_ctrl_private { struct drm_device *drm_dev; struct device *dev; struct drm_dp_aux *aux; - struct msm_dp_panel *panel; struct msm_dp_link *link; void __iomem *ahb_base; void __iomem *link_base; @@ -202,7 +201,8 @@ static int msm_dp_aux_link_configure(struct drm_dp_aux *aux, /* * NOTE: resetting DP controller will also clear any pending HPD related interrupts */ -void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl) +void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel) { struct msm_dp_ctrl_private *ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); @@ -219,7 +219,7 @@ void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl) if (!ctrl->hw_revision) { ctrl->hw_revision = msm_dp_read_ahb(ctrl, REG_DP_HW_VERSION); - ctrl->panel->hw_revision = ctrl->hw_revision; + panel->hw_revision = ctrl->hw_revision; } } @@ -414,10 +414,11 @@ static void msm_dp_ctrl_config_ctrl_streams(struct msm_dp_ctrl_private *ctrl, msm_dp_write_link(ctrl, REG_DP_CONFIGURATION_CTRL, config); } -static void msm_dp_ctrl_config_ctrl_link(struct msm_dp_ctrl_private *ctrl) +static void msm_dp_ctrl_config_ctrl_link(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { u32 config = 0; - const u8 *dpcd = ctrl->panel->dpcd; + const u8 *dpcd = panel->dpcd; /* Default-> LSCLK DIV: 1/4 LCLK */ config |= (2 << DP_CONFIGURATION_CTRL_LSCLK_DIV_SHIFT); @@ -480,13 +481,14 @@ static void msm_dp_ctrl_config_misc1_misc0(struct msm_dp_ctrl_private *ctrl, msm_dp_write_link(ctrl, REG_DP_MISC1_MISC0, misc_val); } -static void msm_dp_ctrl_configure_source_params(struct msm_dp_ctrl_private *ctrl) +static void msm_dp_ctrl_configure_source_params(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { - msm_dp_ctrl_config_ctrl_streams(ctrl, ctrl->panel); + msm_dp_ctrl_config_ctrl_streams(ctrl, panel); - msm_dp_ctrl_config_misc1_misc0(ctrl, ctrl->panel); + msm_dp_ctrl_config_misc1_misc0(ctrl, panel); - msm_dp_panel_timing_cfg(ctrl->panel, ctrl->msm_dp_ctrl.wide_bus_en); + msm_dp_panel_timing_cfg(panel, ctrl->msm_dp_ctrl.wide_bus_en); } /* @@ -1256,20 +1258,21 @@ static void _dp_ctrl_calc_tu(struct msm_dp_ctrl_private *ctrl, } static void msm_dp_ctrl_calc_tu_parameters(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, struct msm_dp_vc_tu_mapping_table *tu_table) { struct msm_dp_tu_calc_input in; - struct drm_display_mode *drm_mode; + const struct drm_display_mode *drm_mode; - drm_mode = &ctrl->panel->msm_dp_mode.drm_mode; + drm_mode = &panel->msm_dp_mode.drm_mode; in.lclk = ctrl->link->link_params.rate / 1000; in.pclk_khz = drm_mode->clock; in.hactive = drm_mode->hdisplay; in.hporch = drm_mode->htotal - drm_mode->hdisplay; in.nlanes = ctrl->link->link_params.num_lanes; - in.bpp = ctrl->panel->msm_dp_mode.bpp; - in.pixel_enc = ctrl->panel->msm_dp_mode.out_fmt_is_yuv_420 ? 420 : 444; + in.bpp = panel->msm_dp_mode.bpp; + in.pixel_enc = panel->msm_dp_mode.out_fmt_is_yuv_420 ? 420 : 444; in.dsc_en = 0; in.async_en = 0; in.fec_en = 0; @@ -1279,14 +1282,15 @@ static void msm_dp_ctrl_calc_tu_parameters(struct msm_dp_ctrl_private *ctrl, _dp_ctrl_calc_tu(ctrl, &in, tu_table); } -static void msm_dp_ctrl_setup_tr_unit(struct msm_dp_ctrl_private *ctrl) +static void msm_dp_ctrl_setup_tr_unit(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { u32 msm_dp_tu = 0x0; u32 valid_boundary = 0x0; u32 valid_boundary2 = 0x0; struct msm_dp_vc_tu_mapping_table tu_calc_table; - msm_dp_ctrl_calc_tu_parameters(ctrl, &tu_calc_table); + msm_dp_ctrl_calc_tu_parameters(ctrl, panel, &tu_calc_table); msm_dp_tu |= tu_calc_table.tu_size_minus1; valid_boundary |= tu_calc_table.valid_boundary_link; @@ -1438,6 +1442,7 @@ static int msm_dp_ctrl_set_pattern_state_bit(struct msm_dp_ctrl_private *ctrl, } static int msm_dp_ctrl_link_train_1(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, int *training_step, enum drm_dp_phy dp_phy) { int delay_us; @@ -1446,7 +1451,7 @@ static int msm_dp_ctrl_link_train_1(struct msm_dp_ctrl_private *ctrl, int const maximum_retries = 4; delay_us = drm_dp_read_clock_recovery_delay(ctrl->aux, - ctrl->panel->dpcd, dp_phy, false); + panel->dpcd, dp_phy, false); msm_dp_write_link(ctrl, REG_DP_STATE_CTRL, 0); @@ -1532,14 +1537,15 @@ static int msm_dp_ctrl_link_rate_down_shift(struct msm_dp_ctrl_private *ctrl) return ret; } -static int msm_dp_ctrl_link_lane_down_shift(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_link_lane_down_shift(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { if (ctrl->link->link_params.num_lanes == 1) return -1; ctrl->link->link_params.num_lanes /= 2; - ctrl->link->link_params.rate = ctrl->panel->link_info.rate; + ctrl->link->link_params.rate = panel->link_info.rate; ctrl->link->phy_params.p_level = 0; ctrl->link->phy_params.v_level = 0; @@ -1548,6 +1554,7 @@ static int msm_dp_ctrl_link_lane_down_shift(struct msm_dp_ctrl_private *ctrl) } static void msm_dp_ctrl_clear_training_pattern(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, enum drm_dp_phy dp_phy) { int delay_us; @@ -1555,11 +1562,12 @@ static void msm_dp_ctrl_clear_training_pattern(struct msm_dp_ctrl_private *ctrl, msm_dp_ctrl_train_pattern_set(ctrl, DP_TRAINING_PATTERN_DISABLE, dp_phy); delay_us = drm_dp_read_channel_eq_delay(ctrl->aux, - ctrl->panel->dpcd, dp_phy, false); + panel->dpcd, dp_phy, false); fsleep(delay_us); } static int msm_dp_ctrl_link_train_2(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, int *training_step, enum drm_dp_phy dp_phy) { int delay_us; @@ -1570,16 +1578,16 @@ static int msm_dp_ctrl_link_train_2(struct msm_dp_ctrl_private *ctrl, u8 link_status[DP_LINK_STATUS_SIZE]; delay_us = drm_dp_read_channel_eq_delay(ctrl->aux, - ctrl->panel->dpcd, dp_phy, false); + panel->dpcd, dp_phy, false); msm_dp_write_link(ctrl, REG_DP_STATE_CTRL, 0); *training_step = DP_TRAINING_2; - if (drm_dp_tps4_supported(ctrl->panel->dpcd)) { + if (drm_dp_tps4_supported(panel->dpcd)) { pattern = DP_TRAINING_PATTERN_4; state_ctrl_bit = 4; - } else if (drm_dp_tps3_supported(ctrl->panel->dpcd)) { + } else if (drm_dp_tps3_supported(panel->dpcd)) { pattern = DP_TRAINING_PATTERN_3; state_ctrl_bit = 3; } else { @@ -1616,18 +1624,19 @@ static int msm_dp_ctrl_link_train_2(struct msm_dp_ctrl_private *ctrl, } static int msm_dp_ctrl_link_train_1_2(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, int *training_step, enum drm_dp_phy dp_phy) { int ret; - ret = msm_dp_ctrl_link_train_1(ctrl, training_step, dp_phy); + ret = msm_dp_ctrl_link_train_1(ctrl, panel, training_step, dp_phy); if (ret) { DRM_ERROR("link training #1 on phy %d failed. ret=%d\n", dp_phy, ret); return ret; } drm_dbg_dp(ctrl->drm_dev, "link training #1 on phy %d successful\n", dp_phy); - ret = msm_dp_ctrl_link_train_2(ctrl, training_step, dp_phy); + ret = msm_dp_ctrl_link_train_2(ctrl, panel, training_step, dp_phy); if (ret) { DRM_ERROR("link training #2 on phy %d failed. ret=%d\n", dp_phy, ret); return ret; @@ -1638,16 +1647,17 @@ static int msm_dp_ctrl_link_train_1_2(struct msm_dp_ctrl_private *ctrl, } static int msm_dp_ctrl_link_train(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, int *training_step) { int i; int ret = 0; - const u8 *dpcd = ctrl->panel->dpcd; + const u8 *dpcd = panel->dpcd; u8 encoding[] = { 0, DP_SET_ANSI_8B10B }; u8 assr; struct msm_dp_link_info link_info = {0}; - msm_dp_ctrl_config_ctrl_link(ctrl); + msm_dp_ctrl_config_ctrl_link(ctrl, panel); link_info.num_lanes = ctrl->link->link_params.num_lanes; link_info.rate = ctrl->link->link_params.rate; @@ -1670,8 +1680,8 @@ static int msm_dp_ctrl_link_train(struct msm_dp_ctrl_private *ctrl, for (i = ctrl->link->lttpr_count - 1; i >= 0; i--) { enum drm_dp_phy dp_phy = DP_PHY_LTTPR(i); - ret = msm_dp_ctrl_link_train_1_2(ctrl, training_step, dp_phy); - msm_dp_ctrl_clear_training_pattern(ctrl, dp_phy); + ret = msm_dp_ctrl_link_train_1_2(ctrl, panel, training_step, dp_phy); + msm_dp_ctrl_clear_training_pattern(ctrl, panel, dp_phy); if (ret) break; @@ -1682,7 +1692,7 @@ static int msm_dp_ctrl_link_train(struct msm_dp_ctrl_private *ctrl, goto end; } - ret = msm_dp_ctrl_link_train_1_2(ctrl, training_step, DP_PHY_DPRX); + ret = msm_dp_ctrl_link_train_1_2(ctrl, panel, training_step, DP_PHY_DPRX); if (ret) { DRM_ERROR("link training on sink failed. ret=%d\n", ret); goto end; @@ -1695,6 +1705,7 @@ static int msm_dp_ctrl_link_train(struct msm_dp_ctrl_private *ctrl, } static int msm_dp_ctrl_setup_main_link(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel, int *training_step) { int ret = 0; @@ -1710,7 +1721,7 @@ static int msm_dp_ctrl_setup_main_link(struct msm_dp_ctrl_private *ctrl, * a link training pattern, we have to first do soft reset. */ - ret = msm_dp_ctrl_link_train(ctrl, training_step); + ret = msm_dp_ctrl_link_train(ctrl, panel, training_step); return ret; } @@ -1809,11 +1820,12 @@ static void msm_dp_ctrl_link_clk_disable(struct msm_dp_ctrl *msm_dp_ctrl) str_on_off(ctrl->core_clks_on)); } -static int msm_dp_ctrl_enable_mainlink_clocks(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_enable_mainlink_clocks(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { int ret = 0; struct phy *phy = ctrl->phy; - const u8 *dpcd = ctrl->panel->dpcd; + const u8 *dpcd = panel->dpcd; ctrl->phy_opts.dp.lanes = ctrl->link->link_params.num_lanes; ctrl->phy_opts.dp.link_rate = ctrl->link->link_params.rate / 100; @@ -1865,13 +1877,14 @@ static void msm_dp_ctrl_psr_exit(struct msm_dp_ctrl_private *ctrl) msm_dp_write_link(ctrl, REG_PSR_CMD, cmd); } -void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl) +void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel) { struct msm_dp_ctrl_private *ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); u32 cfg; - if (!ctrl->panel->psr_cap.version) + if (!panel->psr_cap.version) return; /* enable PSR1 function */ @@ -1886,12 +1899,13 @@ void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl) drm_dp_dpcd_write(ctrl->aux, DP_PSR_EN_CFG, &cfg, 1); } -void msm_dp_ctrl_set_psr(struct msm_dp_ctrl *msm_dp_ctrl, bool enter) +void msm_dp_ctrl_set_psr(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel, bool enter) { struct msm_dp_ctrl_private *ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); - if (!ctrl->panel->psr_cap.version) + if (!panel->psr_cap.version) return; /* @@ -1961,7 +1975,8 @@ void msm_dp_ctrl_phy_exit(struct msm_dp_ctrl *msm_dp_ctrl) phy_exit(phy); } -static int msm_dp_ctrl_reinitialize_mainlink(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_reinitialize_mainlink(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { struct phy *phy = ctrl->phy; int ret = 0; @@ -1982,7 +1997,7 @@ static int msm_dp_ctrl_reinitialize_mainlink(struct msm_dp_ctrl_private *ctrl) /* hw recommended delay before re-enabling clocks */ msleep(20); - ret = msm_dp_ctrl_enable_mainlink_clocks(ctrl); + ret = msm_dp_ctrl_enable_mainlink_clocks(ctrl, panel); if (ret) { DRM_ERROR("Failed to enable mainlink clks. ret=%d\n", ret); return ret; @@ -1991,7 +2006,8 @@ static int msm_dp_ctrl_reinitialize_mainlink(struct msm_dp_ctrl_private *ctrl) return ret; } -static int msm_dp_ctrl_deinitialize_mainlink(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_deinitialize_mainlink(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { struct phy *phy; @@ -1999,7 +2015,7 @@ 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); + msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl, panel); dev_pm_opp_set_rate(ctrl->dev, 0); msm_dp_ctrl_link_clk_disable(&ctrl->msm_dp_ctrl); @@ -2013,7 +2029,8 @@ static int msm_dp_ctrl_deinitialize_mainlink(struct msm_dp_ctrl_private *ctrl) return 0; } -static int msm_dp_ctrl_link_maintenance(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_link_maintenance(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { int ret = 0; int training_step = DP_TRAINING_NONE; @@ -2023,11 +2040,11 @@ static int msm_dp_ctrl_link_maintenance(struct msm_dp_ctrl_private *ctrl) ctrl->link->phy_params.p_level = 0; ctrl->link->phy_params.v_level = 0; - ret = msm_dp_ctrl_setup_main_link(ctrl, &training_step); + ret = msm_dp_ctrl_setup_main_link(ctrl, panel, &training_step); if (ret) goto end; - msm_dp_ctrl_clear_training_pattern(ctrl, DP_PHY_DPRX); + msm_dp_ctrl_clear_training_pattern(ctrl, panel, DP_PHY_DPRX); msm_dp_write_link(ctrl, REG_DP_STATE_CTRL, DP_STATE_CTRL_SEND_VIDEO); @@ -2207,7 +2224,8 @@ static void msm_dp_ctrl_off_pixel_clk(struct msm_dp_ctrl *msm_dp_ctrl) } } -static int msm_dp_ctrl_process_phy_test_request(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_process_phy_test_request(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { int ret; unsigned long pixel_rate; @@ -2223,15 +2241,15 @@ static int msm_dp_ctrl_process_phy_test_request(struct msm_dp_ctrl_private *ctrl * running. Add the global reset just before disabling the * link clocks and core clocks. */ - msm_dp_ctrl_off(&ctrl->msm_dp_ctrl); + msm_dp_ctrl_off(&ctrl->msm_dp_ctrl, panel); - ret = msm_dp_ctrl_on_link(&ctrl->msm_dp_ctrl); + ret = msm_dp_ctrl_on_link(&ctrl->msm_dp_ctrl, panel); if (ret) { DRM_ERROR("failed to enable DP link controller\n"); return ret; } - pixel_rate = ctrl->panel->msm_dp_mode.drm_mode.clock; + pixel_rate = panel->msm_dp_mode.drm_mode.clock; ret = msm_dp_ctrl_on_pixel_clk(ctrl, pixel_rate); msm_dp_ctrl_send_phy_test_pattern(ctrl); @@ -2239,7 +2257,8 @@ static int msm_dp_ctrl_process_phy_test_request(struct msm_dp_ctrl_private *ctrl return 0; } -void msm_dp_ctrl_handle_sink_request(struct msm_dp_ctrl *msm_dp_ctrl) +void msm_dp_ctrl_handle_sink_request(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel) { struct msm_dp_ctrl_private *ctrl; u32 sink_request = 0x0; @@ -2254,14 +2273,14 @@ void msm_dp_ctrl_handle_sink_request(struct msm_dp_ctrl *msm_dp_ctrl) if (sink_request & DP_TEST_LINK_PHY_TEST_PATTERN) { drm_dbg_dp(ctrl->drm_dev, "PHY_TEST_PATTERN request\n"); - if (msm_dp_ctrl_process_phy_test_request(ctrl)) { + if (msm_dp_ctrl_process_phy_test_request(ctrl, panel)) { DRM_ERROR("process phy_test_req failed\n"); return; } } if (sink_request & DP_LINK_STATUS_UPDATED) { - if (msm_dp_ctrl_link_maintenance(ctrl)) { + if (msm_dp_ctrl_link_maintenance(ctrl, panel)) { DRM_ERROR("LM failed: TEST_LINK_TRAINING\n"); return; } @@ -2269,7 +2288,7 @@ void msm_dp_ctrl_handle_sink_request(struct msm_dp_ctrl *msm_dp_ctrl) if (sink_request & DP_TEST_LINK_TRAINING) { msm_dp_link_send_test_response(ctrl->link); - if (msm_dp_ctrl_link_maintenance(ctrl)) { + if (msm_dp_ctrl_link_maintenance(ctrl, panel)) { DRM_ERROR("LM failed: TEST_LINK_TRAINING\n"); return; } @@ -2305,7 +2324,8 @@ static bool msm_dp_ctrl_channel_eq_ok(struct msm_dp_ctrl_private *ctrl) return drm_dp_channel_eq_ok(link_status, num_lanes); } -int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) +int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel) { int rc = 0; struct msm_dp_ctrl_private *ctrl; @@ -2321,8 +2341,8 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); - rate = ctrl->panel->link_info.rate; - pixel_rate = ctrl->panel->msm_dp_mode.drm_mode.clock; + rate = panel->link_info.rate; + pixel_rate = panel->msm_dp_mode.drm_mode.clock; msm_dp_ctrl_core_clk_enable(&ctrl->msm_dp_ctrl); @@ -2334,8 +2354,8 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) } else { ctrl->link->link_params.rate = rate; ctrl->link->link_params.num_lanes = - ctrl->panel->link_info.num_lanes; - if (ctrl->panel->msm_dp_mode.out_fmt_is_yuv_420) + panel->link_info.num_lanes; + if (panel->msm_dp_mode.out_fmt_is_yuv_420) pixel_rate >>= 1; } @@ -2343,13 +2363,13 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) ctrl->link->link_params.rate, ctrl->link->link_params.num_lanes, pixel_rate); - rc = msm_dp_ctrl_enable_mainlink_clocks(ctrl); + rc = msm_dp_ctrl_enable_mainlink_clocks(ctrl, panel); if (rc) return rc; while (--link_train_max_retries) { training_step = DP_TRAINING_NONE; - rc = msm_dp_ctrl_setup_main_link(ctrl, &training_step); + rc = msm_dp_ctrl_setup_main_link(ctrl, panel, &training_step); if (rc == 0) { /* training completed successfully */ break; @@ -2368,7 +2388,7 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) * some lanes are ready, * reduce lane number */ - rc = msm_dp_ctrl_link_lane_down_shift(ctrl); + rc = msm_dp_ctrl_link_lane_down_shift(ctrl, panel); if (rc < 0) { /* lane == 1 already */ /* end with failure */ break; @@ -2389,7 +2409,7 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) ctrl->link->link_params.num_lanes)) rc = msm_dp_ctrl_link_rate_down_shift(ctrl); else - rc = msm_dp_ctrl_link_lane_down_shift(ctrl); + rc = msm_dp_ctrl_link_lane_down_shift(ctrl, panel); if (rc < 0) { /* end with failure */ @@ -2397,10 +2417,10 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) } /* stop link training before start re training */ - msm_dp_ctrl_clear_training_pattern(ctrl, DP_PHY_DPRX); + msm_dp_ctrl_clear_training_pattern(ctrl, panel, DP_PHY_DPRX); } - rc = msm_dp_ctrl_reinitialize_mainlink(ctrl); + rc = msm_dp_ctrl_reinitialize_mainlink(ctrl, panel); if (rc) { DRM_ERROR("Failed to reinitialize mainlink. rc=%d\n", rc); break; @@ -2421,20 +2441,21 @@ int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl) * link training failed * end txing train pattern here */ - msm_dp_ctrl_clear_training_pattern(ctrl, DP_PHY_DPRX); + msm_dp_ctrl_clear_training_pattern(ctrl, panel, DP_PHY_DPRX); - msm_dp_ctrl_deinitialize_mainlink(ctrl); + msm_dp_ctrl_deinitialize_mainlink(ctrl, panel); rc = -ECONNRESET; } return rc; } -static int msm_dp_ctrl_link_retrain(struct msm_dp_ctrl_private *ctrl) +static int msm_dp_ctrl_link_retrain(struct msm_dp_ctrl_private *ctrl, + struct msm_dp_panel *panel) { int training_step = DP_TRAINING_NONE; - return msm_dp_ctrl_setup_main_link(ctrl, &training_step); + return msm_dp_ctrl_setup_main_link(ctrl, panel, &training_step); } static void msm_dp_ctrl_config_msa(struct msm_dp_ctrl_private *ctrl, @@ -2505,7 +2526,9 @@ static void msm_dp_ctrl_config_msa(struct msm_dp_ctrl_private *ctrl, msm_dp_write_link(ctrl, REG_DP_SOFTWARE_NVID, nvid); } -int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, bool force_link_train) +int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel, + bool force_link_train) { int ret = 0; struct msm_dp_ctrl_private *ctrl; @@ -2524,7 +2547,7 @@ int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, bool force_li ctrl->core_clks_on, ctrl->link_clks_on, ctrl->stream_clks_on); if (!ctrl->link_clks_on) { /* link clk is off */ - ret = msm_dp_ctrl_enable_mainlink_clocks(ctrl); + ret = msm_dp_ctrl_enable_mainlink_clocks(ctrl, panel); if (ret) { DRM_ERROR("Failed to start link clocks. ret=%d\n", ret); return ret; @@ -2532,15 +2555,15 @@ int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, bool force_li } if (force_link_train || !msm_dp_ctrl_channel_eq_ok(ctrl)) - msm_dp_ctrl_link_retrain(ctrl); + msm_dp_ctrl_link_retrain(ctrl, panel); /* stop txing train pattern to end link training */ - msm_dp_ctrl_clear_training_pattern(ctrl, DP_PHY_DPRX); + msm_dp_ctrl_clear_training_pattern(ctrl, panel, DP_PHY_DPRX); return ret; } -int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl) +int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl, struct msm_dp_panel *panel) { int ret = 0; bool mainlink_ready = false; @@ -2553,10 +2576,10 @@ int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl) ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); - pixel_rate_orig = ctrl->panel->msm_dp_mode.drm_mode.clock; + pixel_rate_orig = panel->msm_dp_mode.drm_mode.clock; pixel_rate = pixel_rate_orig; - if (msm_dp_ctrl->wide_bus_en || ctrl->panel->msm_dp_mode.out_fmt_is_yuv_420) + if (msm_dp_ctrl->wide_bus_en || panel->msm_dp_mode.out_fmt_is_yuv_420) pixel_rate >>= 1; drm_dbg_dp(ctrl->drm_dev, "pixel_rate=%lu\n", pixel_rate); @@ -2573,18 +2596,18 @@ int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl) msm_dp_ctrl_lane_mapping(ctrl); msm_dp_setup_peripheral_flush(ctrl); - msm_dp_ctrl_config_ctrl_link(ctrl); + msm_dp_ctrl_config_ctrl_link(ctrl, panel); - msm_dp_ctrl_configure_source_params(ctrl); + msm_dp_ctrl_configure_source_params(ctrl, panel); msm_dp_ctrl_config_msa(ctrl, ctrl->link->link_params.rate, pixel_rate_orig, - ctrl->panel->msm_dp_mode.out_fmt_is_yuv_420); + panel->msm_dp_mode.out_fmt_is_yuv_420); - msm_dp_panel_clear_dsc_dto(ctrl->panel); + msm_dp_panel_clear_dsc_dto(panel); - msm_dp_ctrl_setup_tr_unit(ctrl); + msm_dp_ctrl_setup_tr_unit(ctrl, panel); msm_dp_write_link(ctrl, REG_DP_STATE_CTRL, DP_STATE_CTRL_SEND_VIDEO); @@ -2612,7 +2635,8 @@ void msm_dp_ctrl_reinit_phy(struct msm_dp_ctrl *msm_dp_ctrl) phy_init(phy); } -void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl) +void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel) { struct msm_dp_ctrl_private *ctrl; struct phy *phy; @@ -2620,11 +2644,11 @@ void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl) ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl); phy = ctrl->phy; - msm_dp_panel_disable_vsc_sdp(ctrl->panel); + msm_dp_panel_disable_vsc_sdp(panel); msm_dp_ctrl_mainlink_disable(ctrl); - msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl); + msm_dp_ctrl_reset(&ctrl->msm_dp_ctrl, panel); msm_dp_ctrl_off_pixel_clk(msm_dp_ctrl); dev_pm_opp_set_rate(ctrl->dev, 0); @@ -2633,7 +2657,8 @@ void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl) phy_power_off(phy); } -irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl) +irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel) { struct msm_dp_ctrl_private *ctrl; u32 isr; @@ -2644,7 +2669,7 @@ 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) { + if (panel->psr_cap.version) { isr = msm_dp_ctrl_get_psr_interrupt(ctrl); if (isr) @@ -2733,7 +2758,7 @@ static int msm_dp_ctrl_clk_init(struct msm_dp_ctrl *msm_dp_ctrl) } struct msm_dp_ctrl *msm_dp_ctrl_get(struct device *dev, struct msm_dp_link *link, - struct msm_dp_panel *panel, struct drm_dp_aux *aux, + struct drm_dp_aux *aux, struct phy *phy, void __iomem *ahb_base, void __iomem *link_base) @@ -2741,7 +2766,7 @@ struct msm_dp_ctrl *msm_dp_ctrl_get(struct device *dev, struct msm_dp_link *link struct msm_dp_ctrl_private *ctrl; int ret; - if (!dev || !panel || !aux || !link) { + if (!dev || !aux || !link) { DRM_ERROR("invalid input\n"); return ERR_PTR(-EINVAL); } @@ -2769,7 +2794,6 @@ struct msm_dp_ctrl *msm_dp_ctrl_get(struct device *dev, struct msm_dp_link *link init_completion(&ctrl->video_comp); /* in parameters */ - ctrl->panel = panel; ctrl->aux = aux; ctrl->link = link; ctrl->dev = dev; diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index 5d615f50d13b..00b430392a52 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -16,28 +16,36 @@ struct msm_dp_ctrl { struct phy; -int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl); -int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl); -int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, bool force_link_train); -void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl); +int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel); +int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl, struct msm_dp_panel *panel); +int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel, + bool force_link_train); +void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel); void msm_dp_ctrl_push_idle(struct msm_dp_ctrl *msm_dp_ctrl); -irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl); -void msm_dp_ctrl_handle_sink_request(struct msm_dp_ctrl *msm_dp_ctrl); +irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel); +void msm_dp_ctrl_handle_sink_request(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel); struct msm_dp_ctrl *msm_dp_ctrl_get(struct device *dev, struct msm_dp_link *link, - struct msm_dp_panel *panel, struct drm_dp_aux *aux, struct phy *phy, void __iomem *ahb_base, void __iomem *link_base); -void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl); +void msm_dp_ctrl_reset(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel); 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); -void msm_dp_ctrl_set_psr(struct msm_dp_ctrl *msm_dp_ctrl, bool enable); -void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl); +void msm_dp_ctrl_set_psr(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel, bool enable); +void msm_dp_ctrl_config_psr(struct msm_dp_ctrl *msm_dp_ctrl, + struct msm_dp_panel *panel); 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); diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index b8dab3f8a7c2..230e14615a23 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -359,7 +359,7 @@ 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(dp->ctrl); + msm_dp_ctrl_reset(dp->ctrl, dp->panel); msm_dp_ctrl_enable_irq(dp->ctrl); msm_dp_aux_init(dp->aux); dp->core_initialized = true; @@ -371,7 +371,7 @@ 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(dp->ctrl); + msm_dp_ctrl_reset(dp->ctrl, dp->panel); msm_dp_ctrl_disable_irq(dp->ctrl); msm_dp_aux_deinit(dp->aux); msm_dp_ctrl_core_clk_disable(dp->ctrl); @@ -392,7 +392,7 @@ static int msm_dp_display_handle_irq_hpd(struct msm_dp_display_private *dp) drm_dbg_dp(dp->drm_dev, "%d\n", sink_request); - msm_dp_ctrl_handle_sink_request(dp->ctrl); + msm_dp_ctrl_handle_sink_request(dp->ctrl, dp->panel); if (sink_request & DP_TEST_LINK_VIDEO_PATTERN) msm_dp_display_handle_video_request(dp); @@ -570,7 +570,7 @@ static int msm_dp_init_sub_modules(struct msm_dp_display_private *dp) goto error_link; } - dp->ctrl = msm_dp_ctrl_get(dev, dp->link, dp->panel, dp->aux, + dp->ctrl = msm_dp_ctrl_get(dev, dp->link, dp->aux, phy, dp->ahb_base, dp->link_base); if (IS_ERR(dp->ctrl)) { rc = PTR_ERR(dp->ctrl); @@ -642,12 +642,12 @@ static int msm_dp_display_prepare_link(struct msm_dp_display_private *dp) force_link_train = true; } - rc = msm_dp_ctrl_on_link(dp->ctrl); + rc = msm_dp_ctrl_on_link(dp->ctrl, dp->panel); if (rc) DRM_ERROR("Failed link training (rc=%d)\n", rc); // TODO: schedule drm_connector_set_link_status_property() - return msm_dp_ctrl_prepare_stream_on(dp->ctrl, force_link_train); + return msm_dp_ctrl_prepare_stream_on(dp->ctrl, dp->panel, force_link_train); } static int msm_dp_display_enable(struct msm_dp_display_private *dp) @@ -661,7 +661,7 @@ static int msm_dp_display_enable(struct msm_dp_display_private *dp) return 0; } - rc = msm_dp_ctrl_on_stream(dp->ctrl); + rc = msm_dp_ctrl_on_stream(dp->ctrl, dp->panel); if (!rc) msm_dp_display->power_on = true; @@ -686,7 +686,7 @@ static int msm_dp_display_post_enable(struct msm_dp *msm_dp_display) msm_dp_display_handle_plugged_change(msm_dp_display, true); if (msm_dp_display->psr_supported) - msm_dp_ctrl_config_psr(dp->ctrl); + msm_dp_ctrl_config_psr(dp->ctrl, dp->panel); return 0; } @@ -725,7 +725,7 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp) /* set dongle to D3 (power off) mode */ msm_dp_link_psm_config(dp->link, &dp->panel->link_info, true); - msm_dp_ctrl_off(dp->ctrl); + msm_dp_ctrl_off(dp->ctrl, dp->panel); /* re-init the PHY so that we can listen to Dongle disconnect */ msm_dp_ctrl_reinit_phy(dp->ctrl); } else { @@ -733,7 +733,7 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp) * unplugged interrupt * dongle unplugged out of DUT */ - msm_dp_ctrl_off(dp->ctrl); + msm_dp_ctrl_off(dp->ctrl, dp->panel); msm_dp_display_host_phy_exit(dp); } @@ -869,7 +869,7 @@ void msm_dp_display_set_psr(struct msm_dp *msm_dp_display, bool enter) } dp = container_of(msm_dp_display, struct msm_dp_display_private, msm_dp_display); - msm_dp_ctrl_set_psr(dp->ctrl, enter); + msm_dp_ctrl_set_psr(dp->ctrl, dp->panel, enter); } /** @@ -979,7 +979,7 @@ static irqreturn_t msm_dp_display_irq_handler(int irq, void *dev_id) } /* DP controller isr */ - ret |= msm_dp_ctrl_isr(dp->ctrl); + ret |= msm_dp_ctrl_isr(dp->ctrl, dp->panel); return ret; } -- 2.43.0