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Mon, 02 Sep 2024 19:02:03 -0700 (PDT) From: Dmitry Baryshkov Date: Tue, 03 Sep 2024 05:01:56 +0300 Subject: [PATCH v5 1/3] drm/display: stop depending on DRM_DISPLAY_HELPER MIME-Version: 1.0 Message-Id: <20240903-drm-bridge-connector-fix-hdmi-reset-v5-1-daebde6d9857@linaro.org> References: <20240903-drm-bridge-connector-fix-hdmi-reset-v5-0-daebde6d9857@linaro.org> In-Reply-To: <20240903-drm-bridge-connector-fix-hdmi-reset-v5-0-daebde6d9857@linaro.org> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Laurentiu Palcu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Paul Cercueil , Anitha Chrisanthus , Edmund Dea , Chun-Kuang Hu , Philipp Zabel , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , Tomi Valkeinen , Kieran Bingham , Biju Das , Geert Uytterhoeven , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Jyri Sarha , Matthias Brugger , AngeloGioacchino Del Regno Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2696; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=eQJ3hRch4PVpnxcgcIs2vVrHHBN8kCt55Lg1+zlGYoo=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBm1m4Ydfw19JUYRwn1jTaddmh8cQLUA2XqNCKhP lN9A0ASCZWJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZtZuGAAKCRCLPIo+Aiko 1WImB/48EDSxmra6JSSLZCioPN1jQgA037hCAO6vQjo/qRj7VRQGLSHJ+bxa6Z3+La9aIP6xrz7 ruMK94QpzIyTF6dMy30OaTgS6ZX96eBlR6vKDwhaeiJevCDRZnVTejmWXXh4gizEIp0AsbN6a6t 52BW8FdsYKtqO5NMYODz1yXrCckyJ22+M8hi6JUndhd04OylNhmOd1H/E2afMOvE/VXfnnlLPab aCGDA9Jq4qxZHernrwhzxi2K0ppV1dmg8mTTK7KHrv5zpjjtNeVzbr+alSFN51EgWxV43rg+Ugq 9krzcgaLUA7XPlXqn86PPRCYCxMtmeDaupqUIYvNX98r2CAb X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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" Kconfig symbols should not declare dependency on DRM_DISPLAY_HELPER. Move all parts of DRM_DISPLAY_HELPER to an if DRM_DISPLAY_HELPER block. It is not possible to make those symbols select DRM_DISPLAY_HELPER because of the link issues when a part of the helper is selected to be built-in, while other part is selected to be as module. In such a case the modular part doesn't get built at all, leading to undefined symbols. The only viable alternative is to split drm_display_helper.ko into several small modules, each of them having their own dependencies. Suggested-by: Maxime Ripard Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/display/Kconfig | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig index a2e42014ffe0..9c2da1e48b75 100644 --- a/drivers/gpu/drm/display/Kconfig +++ b/drivers/gpu/drm/display/Kconfig @@ -1,19 +1,20 @@ # SPDX-License-Identifier: MIT +config DRM_DISPLAY_DP_AUX_BUS + tristate + depends on DRM + depends on OF || COMPILE_TEST + config DRM_DISPLAY_HELPER tristate depends on DRM help DRM helpers for display adapters. -config DRM_DISPLAY_DP_AUX_BUS - tristate - depends on DRM - depends on OF || COMPILE_TEST +if DRM_DISPLAY_HELPER config DRM_DISPLAY_DP_AUX_CEC bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support" - depends on DRM && DRM_DISPLAY_HELPER select DRM_DISPLAY_DP_HELPER select CEC_CORE help @@ -25,7 +26,6 @@ config DRM_DISPLAY_DP_AUX_CEC config DRM_DISPLAY_DP_AUX_CHARDEV bool "DRM DP AUX Interface" - depends on DRM && DRM_DISPLAY_HELPER select DRM_DISPLAY_DP_HELPER help Choose this option to enable a /dev/drm_dp_auxN node that allows to @@ -34,7 +34,6 @@ config DRM_DISPLAY_DP_AUX_CHARDEV config DRM_DISPLAY_DP_HELPER bool - depends on DRM_DISPLAY_HELPER help DRM display helpers for DisplayPort. @@ -61,25 +60,23 @@ config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG config DRM_DISPLAY_DSC_HELPER bool - depends on DRM_DISPLAY_HELPER help DRM display helpers for VESA DSC (used by DSI and DisplayPort). config DRM_DISPLAY_HDCP_HELPER bool - depends on DRM_DISPLAY_HELPER help DRM display helpers for HDCP. config DRM_DISPLAY_HDMI_HELPER bool - depends on DRM_DISPLAY_HELPER help DRM display helpers for HDMI. config DRM_DISPLAY_HDMI_STATE_HELPER bool - depends on DRM_DISPLAY_HELPER select DRM_DISPLAY_HDMI_HELPER help DRM KMS state helpers for HDMI. + +endif # DRM_DISPLAY_HELPER From patchwork Tue Sep 3 02:01:57 2024 Content-Type: text/plain; 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a=openpgp-sha256; l=11764; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=u0qb3bEY05HUAox2PHoKFXF0Np7w89XwqKfDLq37bxI=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBm1m4Z7OHdzXgI7iKlcHjqUN1VR0kFSbKsUb9xt 64KU0cK57CJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZtZuGQAKCRCLPIo+Aiko 1XJxCACzrWSdBNy2/qY7LdD1PvMrMfsyOSN2E6Ghfhb14Rxou6tRcAKvNUFF3OhkpFPjH3aJgkR 17lAll1SxKb+66j5Iv+bYkZR/xOwoHu9+WYoFNZJUT4RMtmvumXufsiDAwmExOfP1wQy6s8dl5B cMZWPB50tQg0hnjD488zR5FhhIWL2mgv46oIKpPh/hxXrFIhAAj5jppb8R5TrnNLiqCPZND7+GK KdJgtt/GmFMwZiwLZqDUe1sk6ypGlya/NdnOBlZjkNeJmy756ceI24/EOSg4x4k9YE5Ri1k+Y5x lq8giCFLD8RuzBDBt7T3e8c9Pg7M/0XU+eo/uaMZF4nVoEgn X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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" drm_bridge_connector is a "leaf" driver, belonging to the display helper, rather than the "CRTC" drm_kms_helper module. Move the driver to the drm/display and add necessary Kconfig selection clauses. Suggested-by: Maxime Ripard Acked-by: Maxime Ripard Signed-off-by: Dmitry Baryshkov --- MAINTAINERS | 2 +- drivers/gpu/drm/Makefile | 1 - drivers/gpu/drm/bridge/Kconfig | 1 + drivers/gpu/drm/display/Kconfig | 5 +++++ drivers/gpu/drm/display/Makefile | 2 ++ drivers/gpu/drm/{ => display}/drm_bridge_connector.c | 0 drivers/gpu/drm/imx/dcss/Kconfig | 2 ++ drivers/gpu/drm/imx/lcdc/Kconfig | 2 ++ drivers/gpu/drm/ingenic/Kconfig | 2 ++ drivers/gpu/drm/kmb/Kconfig | 2 ++ drivers/gpu/drm/mediatek/Kconfig | 2 ++ drivers/gpu/drm/meson/Kconfig | 2 ++ drivers/gpu/drm/msm/Kconfig | 1 + drivers/gpu/drm/omapdrm/Kconfig | 2 ++ drivers/gpu/drm/renesas/rcar-du/Kconfig | 2 ++ drivers/gpu/drm/renesas/rz-du/Kconfig | 2 ++ drivers/gpu/drm/renesas/shmobile/Kconfig | 2 ++ drivers/gpu/drm/rockchip/Kconfig | 4 ++++ drivers/gpu/drm/tegra/Kconfig | 1 + drivers/gpu/drm/tidss/Kconfig | 2 ++ drivers/gpu/drm/xlnx/Kconfig | 1 + 21 files changed, 38 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index a38754d1cc86..6b152eae4f5f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7463,8 +7463,8 @@ S: Maintained T: git https://gitlab.freedesktop.org/drm/misc/kernel.git F: Documentation/devicetree/bindings/display/bridge/ F: drivers/gpu/drm/bridge/ +F: drivers/gpu/drm/display/drm_bridge_connector.c F: drivers/gpu/drm/drm_bridge.c -F: drivers/gpu/drm/drm_bridge_connector.c F: include/drm/drm_bridge.h F: include/drm/drm_bridge_connector.h diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index c62339b89d46..784229d4504d 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -129,7 +129,6 @@ obj-$(CONFIG_DRM_TTM_HELPER) += drm_ttm_helper.o drm_kms_helper-y := \ drm_atomic_helper.o \ drm_atomic_state_helper.o \ - drm_bridge_connector.o \ drm_crtc_helper.o \ drm_damage_helper.o \ drm_encoder_slave.o \ diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index c621be1a99a8..3eb955333c80 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -390,6 +390,7 @@ config DRM_TI_SN65DSI86 depends on OF select DRM_DISPLAY_DP_HELPER select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_KMS_HELPER select REGMAP_I2C select DRM_PANEL diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig index 9c2da1e48b75..8c174ceb0c4d 100644 --- a/drivers/gpu/drm/display/Kconfig +++ b/drivers/gpu/drm/display/Kconfig @@ -13,6 +13,11 @@ config DRM_DISPLAY_HELPER if DRM_DISPLAY_HELPER +config DRM_BRIDGE_CONNECTOR + bool + help + DRM connector implementation terminating DRM bridge chains. + config DRM_DISPLAY_DP_AUX_CEC bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support" select DRM_DISPLAY_DP_HELPER diff --git a/drivers/gpu/drm/display/Makefile b/drivers/gpu/drm/display/Makefile index a023f72fa139..629c834c3192 100644 --- a/drivers/gpu/drm/display/Makefile +++ b/drivers/gpu/drm/display/Makefile @@ -3,6 +3,8 @@ obj-$(CONFIG_DRM_DISPLAY_DP_AUX_BUS) += drm_dp_aux_bus.o drm_display_helper-y := drm_display_helper_mod.o +drm_display_helper-$(CONFIG_DRM_BRIDGE_CONNECTOR) += \ + drm_bridge_connector.o drm_display_helper-$(CONFIG_DRM_DISPLAY_DP_HELPER) += \ drm_dp_dual_mode_helper.o \ drm_dp_helper.o \ diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c similarity index 100% rename from drivers/gpu/drm/drm_bridge_connector.c rename to drivers/gpu/drm/display/drm_bridge_connector.c diff --git a/drivers/gpu/drm/imx/dcss/Kconfig b/drivers/gpu/drm/imx/dcss/Kconfig index 3ffc061d392b..59e3b6a1dff0 100644 --- a/drivers/gpu/drm/imx/dcss/Kconfig +++ b/drivers/gpu/drm/imx/dcss/Kconfig @@ -2,6 +2,8 @@ config DRM_IMX_DCSS tristate "i.MX8MQ DCSS" select IMX_IRQSTEER select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select VIDEOMODE_HELPERS depends on DRM && ARCH_MXC && ARM64 diff --git a/drivers/gpu/drm/imx/lcdc/Kconfig b/drivers/gpu/drm/imx/lcdc/Kconfig index 7e57922bbd9d..9c28bb0f4662 100644 --- a/drivers/gpu/drm/imx/lcdc/Kconfig +++ b/drivers/gpu/drm/imx/lcdc/Kconfig @@ -3,5 +3,7 @@ config DRM_IMX_LCDC depends on DRM && (ARCH_MXC || COMPILE_TEST) select DRM_GEM_DMA_HELPER select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR help Found on i.MX1, i.MX21, i.MX25 and i.MX27. diff --git a/drivers/gpu/drm/ingenic/Kconfig b/drivers/gpu/drm/ingenic/Kconfig index 3db117c5edd9..8cd7b750dffe 100644 --- a/drivers/gpu/drm/ingenic/Kconfig +++ b/drivers/gpu/drm/ingenic/Kconfig @@ -8,6 +8,8 @@ config DRM_INGENIC select DRM_BRIDGE select DRM_PANEL_BRIDGE select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select REGMAP select REGMAP_MMIO diff --git a/drivers/gpu/drm/kmb/Kconfig b/drivers/gpu/drm/kmb/Kconfig index fd011367db1d..e5ae3ec52392 100644 --- a/drivers/gpu/drm/kmb/Kconfig +++ b/drivers/gpu/drm/kmb/Kconfig @@ -3,6 +3,8 @@ config DRM_KMB_DISPLAY depends on DRM depends on ARCH_KEEMBAY || COMPILE_TEST select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select DRM_MIPI_DSI help diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig index d6449ebae838..417ac8c9af41 100644 --- a/drivers/gpu/drm/mediatek/Kconfig +++ b/drivers/gpu/drm/mediatek/Kconfig @@ -9,6 +9,8 @@ config DRM_MEDIATEK depends on MTK_MMSYS select DRM_GEM_DMA_HELPER if DRM_FBDEV_EMULATION select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_MIPI_DSI select DRM_PANEL select MEMORY diff --git a/drivers/gpu/drm/meson/Kconfig b/drivers/gpu/drm/meson/Kconfig index 615fdd0ce41b..2544756538cc 100644 --- a/drivers/gpu/drm/meson/Kconfig +++ b/drivers/gpu/drm/meson/Kconfig @@ -4,6 +4,8 @@ config DRM_MESON depends on DRM && OF && (ARM || ARM64) depends on ARCH_MESON || COMPILE_TEST select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select DRM_DISPLAY_CONNECTOR select VIDEOMODE_HELPERS diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index 420385c47193..94d3ed4f7761 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -17,6 +17,7 @@ config DRM_MSM select DRM_DISPLAY_DP_AUX_BUS select DRM_DISPLAY_DP_HELPER select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_EXEC select DRM_KMS_HELPER select DRM_PANEL diff --git a/drivers/gpu/drm/omapdrm/Kconfig b/drivers/gpu/drm/omapdrm/Kconfig index 64e440a2649b..fbd9af758581 100644 --- a/drivers/gpu/drm/omapdrm/Kconfig +++ b/drivers/gpu/drm/omapdrm/Kconfig @@ -5,6 +5,8 @@ config DRM_OMAP depends on DRM && OF depends on ARCH_OMAP2PLUS || (COMPILE_TEST && PAGE_SIZE_LESS_THAN_64KB) select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION select VIDEOMODE_HELPERS select HDMI diff --git a/drivers/gpu/drm/renesas/rcar-du/Kconfig b/drivers/gpu/drm/renesas/rcar-du/Kconfig index be86ecb9f559..e1f41468a9a6 100644 --- a/drivers/gpu/drm/renesas/rcar-du/Kconfig +++ b/drivers/gpu/drm/renesas/rcar-du/Kconfig @@ -5,6 +5,8 @@ config DRM_RCAR_DU depends on ARM || ARM64 || COMPILE_TEST depends on ARCH_RENESAS || COMPILE_TEST select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select VIDEOMODE_HELPERS help diff --git a/drivers/gpu/drm/renesas/rz-du/Kconfig b/drivers/gpu/drm/renesas/rz-du/Kconfig index 8ec14271ebba..89bdb598e0ae 100644 --- a/drivers/gpu/drm/renesas/rz-du/Kconfig +++ b/drivers/gpu/drm/renesas/rz-du/Kconfig @@ -6,6 +6,8 @@ config DRM_RZG2L_DU depends on VIDEO_RENESAS_VSP1 select DRM_GEM_DMA_HELPER select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select VIDEOMODE_HELPERS help Choose this option if you have an RZ/G2L alike chipset. diff --git a/drivers/gpu/drm/renesas/shmobile/Kconfig b/drivers/gpu/drm/renesas/shmobile/Kconfig index 027220b8fe1c..c329ab8a7a8b 100644 --- a/drivers/gpu/drm/renesas/shmobile/Kconfig +++ b/drivers/gpu/drm/renesas/shmobile/Kconfig @@ -5,6 +5,8 @@ config DRM_SHMOBILE depends on ARCH_RENESAS || ARCH_SHMOBILE || COMPILE_TEST select BACKLIGHT_CLASS_DEVICE select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select VIDEOMODE_HELPERS help diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig index 7df875e38517..23c49e91f1cc 100644 --- a/drivers/gpu/drm/rockchip/Kconfig +++ b/drivers/gpu/drm/rockchip/Kconfig @@ -86,6 +86,8 @@ config ROCKCHIP_LVDS bool "Rockchip LVDS support" depends on DRM_ROCKCHIP depends on PINCTRL && OF + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR help Choose this option to enable support for Rockchip LVDS controllers. Rockchip rk3288 SoC has LVDS TX Controller can be used, and it @@ -96,6 +98,8 @@ config ROCKCHIP_RGB bool "Rockchip RGB support" depends on DRM_ROCKCHIP depends on PINCTRL + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR help Choose this option to enable support for Rockchip RGB output. Some Rockchip CRTCs, like rv1108, can directly output parallel diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig index 782f51d3044a..e688d8104652 100644 --- a/drivers/gpu/drm/tegra/Kconfig +++ b/drivers/gpu/drm/tegra/Kconfig @@ -8,6 +8,7 @@ config DRM_TEGRA select DRM_DISPLAY_DP_HELPER select DRM_DISPLAY_HDMI_HELPER select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_DISPLAY_DP_AUX_BUS select DRM_KMS_HELPER select DRM_MIPI_DSI diff --git a/drivers/gpu/drm/tidss/Kconfig b/drivers/gpu/drm/tidss/Kconfig index 378600806167..2385c56493b9 100644 --- a/drivers/gpu/drm/tidss/Kconfig +++ b/drivers/gpu/drm/tidss/Kconfig @@ -3,6 +3,8 @@ config DRM_TIDSS depends on DRM && OF depends on ARM || ARM64 || COMPILE_TEST select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER help The TI Keystone family SoCs introduced a new generation of diff --git a/drivers/gpu/drm/xlnx/Kconfig b/drivers/gpu/drm/xlnx/Kconfig index 68ee897de9d7..626e5ac4c33d 100644 --- a/drivers/gpu/drm/xlnx/Kconfig +++ b/drivers/gpu/drm/xlnx/Kconfig @@ -8,6 +8,7 @@ config DRM_ZYNQMP_DPSUB select DMA_ENGINE select DRM_DISPLAY_DP_HELPER select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR select DRM_GEM_DMA_HELPER select DRM_KMS_HELPER select GENERIC_PHY From patchwork Tue Sep 3 02:01:58 2024 Content-Type: text/plain; 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Mon, 02 Sep 2024 19:02:05 -0700 (PDT) From: Dmitry Baryshkov Date: Tue, 03 Sep 2024 05:01:58 +0300 Subject: [PATCH v5 3/3] drm/bridge-connector: reset the HDMI connector state MIME-Version: 1.0 Message-Id: <20240903-drm-bridge-connector-fix-hdmi-reset-v5-3-daebde6d9857@linaro.org> References: <20240903-drm-bridge-connector-fix-hdmi-reset-v5-0-daebde6d9857@linaro.org> In-Reply-To: <20240903-drm-bridge-connector-fix-hdmi-reset-v5-0-daebde6d9857@linaro.org> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Laurentiu Palcu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Paul Cercueil , Anitha Chrisanthus , Edmund Dea , Chun-Kuang Hu , Philipp Zabel , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , Tomi Valkeinen , Kieran Bingham , Biju Das , Geert Uytterhoeven , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Jyri Sarha , Matthias Brugger , AngeloGioacchino Del Regno Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2407; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=/mT5/AR35rbIDoBCMIT6yhd22qoLCIO/78RuGNtcQT0=; b=owGbwMvMwMXYbdNlx6SpcZXxtFoSQ9q1PMnqI1KVspetFZi3Gl8JEpLtUs6+nOiyV+WlRKv/7 tQfLsWdjMYsDIxcDLJiiiw+BS1TYzYlh33YMbUeZhArE8gUBi5OAZhIbif7PxXBmk0v/1w+d0WT 71S6XpXL7jLtn4avhQsSLjYWFpWlNFyaLt3N/iGnatKcwkMCu7O/rjFqCDz8KJc5ufCiQ8KledW /uRseHIiy8MxMVvnEyeb7WHv1FZfUhPk9i/cUHg/6HX76mM8Wtf6ERceePG1tVaz5/H9DQNLcGZ y6Llcc8p0+KzalN0T9jE0QmaB78cCR07q69f850w4GJ+7JZ4t78CCmYvZnNaPsssesT1P7DzTWz mNsNlHTrT7mds9yCbu/axEfR516y5TjmctOSC///F7oMUO36NtU1kIT+YKzleddOzbMTjo2R/KQ K/f8d0nnXwQH3rwSL3mk4NsGjQcrfrHr8a45VH/B/RMXAA== X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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" On HDMI connectors which use drm_bridge_connector and DRM_BRIDGE_OP_HDMI IGT chokes on the max_bpc property in several kms_properties tests due to the drm_bridge_connector failing to reset HDMI-related properties. Call __drm_atomic_helper_connector_hdmi_reset() if the drm_bridge_connector has bridge_hdmi. It is impossible to call this function from HDMI bridges, none of the bridge callbacks correspond to the drm_connector_funcs::reset(). Fixes: 6b4468b0c6ba ("drm/bridge-connector: implement glue code for HDMI connector") Reviewed-by: Maxime Ripard Acked-by: Maxime Ripard Reviewed-by: Abhinav Kumar Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/display/Kconfig | 1 + drivers/gpu/drm/display/drm_bridge_connector.c | 13 ++++++++++++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig index 8c174ceb0c4d..3763649ba251 100644 --- a/drivers/gpu/drm/display/Kconfig +++ b/drivers/gpu/drm/display/Kconfig @@ -15,6 +15,7 @@ if DRM_DISPLAY_HELPER config DRM_BRIDGE_CONNECTOR bool + select DRM_DISPLAY_HDMI_STATE_HELPER help DRM connector implementation terminating DRM bridge chains. diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c index a4fbf1eb7ac5..3da5b8bf8259 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -216,8 +216,19 @@ static void drm_bridge_connector_debugfs_init(struct drm_connector *connector, } } +static void drm_bridge_connector_reset(struct drm_connector *connector) +{ + struct drm_bridge_connector *bridge_connector = + to_drm_bridge_connector(connector); + + drm_atomic_helper_connector_reset(connector); + if (bridge_connector->bridge_hdmi) + __drm_atomic_helper_connector_hdmi_reset(connector, + connector->state); +} + static const struct drm_connector_funcs drm_bridge_connector_funcs = { - .reset = drm_atomic_helper_connector_reset, + .reset = drm_bridge_connector_reset, .detect = drm_bridge_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,