From 406a849926f3e4c1fcedfdc6623a33bc4f13adbe Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:16 +0200 Subject: [PATCH 01/83] MAINTAINER: Create entry for Renesas SH-Mobile DRM drivers Split off DRM drivers for Renesas SH-Mobile into its own entry, and add Geert Uytterhoeven as a maintainer. Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/7cbcec72214886b67afa8d724a9245661d8cd675.1694767208.git.geert+renesas@glider.be --- MAINTAINERS | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index e05506ea8917..e12c73b8a69d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7016,7 +7016,7 @@ F: drivers/gpu/host1x/ F: include/linux/host1x.h F: include/uapi/drm/tegra_drm.h -DRM DRIVERS FOR RENESAS +DRM DRIVERS FOR RENESAS R-CAR M: Laurent Pinchart M: Kieran Bingham L: dri-devel@lists.freedesktop.org @@ -7027,7 +7027,15 @@ F: Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml F: Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml F: Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml F: Documentation/devicetree/bindings/display/renesas,du.yaml -F: drivers/gpu/drm/renesas/ +F: drivers/gpu/drm/renesas/rcar-du/ + +DRM DRIVERS FOR RENESAS SHMOBILE +M: Laurent Pinchart +M: Geert Uytterhoeven +L: dri-devel@lists.freedesktop.org +L: linux-renesas-soc@vger.kernel.org +S: Supported +F: drivers/gpu/drm/renesas/shmobile/ F: include/linux/platform_data/shmob_drm.h DRM DRIVERS FOR ROCKCHIP From 613676ec42d59784670f70b4e09db23531d3e29a Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:17 +0200 Subject: [PATCH 02/83] dt-bindings: display: Add Renesas SH-Mobile LCDC bindings Add device tree bindings for the LCD Controller (LCDC) found in Renesas SuperH SH-Mobile and ARM SH/R-Mobile SOCs. Based on a plain text prototype by Laurent Pinchart. Reviewed-by: Rob Herring Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/6d0a053502abd6555e9a6cbe055e1bdc3329999d.1694767208.git.geert+renesas@glider.be --- .../display/renesas,shmobile-lcdc.yaml | 130 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 131 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml diff --git a/Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml b/Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml new file mode 100644 index 000000000000..9816c4cacc7d --- /dev/null +++ b/Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/renesas,shmobile-lcdc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas SH-Mobile LCD Controller (LCDC) + +maintainers: + - Laurent Pinchart + - Geert Uytterhoeven + +properties: + compatible: + enum: + - renesas,r8a7740-lcdc # R-Mobile A1 + - renesas,sh73a0-lcdc # SH-Mobile AG5 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 5 + description: + Only the functional clock is mandatory. + Some of the optional clocks are model-dependent (e.g. "video" (a.k.a. + "vou" or "dv_clk") is available on R-Mobile A1 only). + + clock-names: + minItems: 1 + items: + - const: fck + - enum: [ media, lclk, hdmi, video ] + - enum: [ media, lclk, hdmi, video ] + - enum: [ media, lclk, hdmi, video ] + - enum: [ media, lclk, hdmi, video ] + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: LCD port (R-Mobile A1 and SH-Mobile AG5) + unevaluatedProperties: false + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: HDMI port (R-Mobile A1 LCDC1 and SH-Mobile AG5) + unevaluatedProperties: false + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: MIPI-DSI port (SH-Mobile AG5) + unevaluatedProperties: false + + required: + - port@0 + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - power-domains + - ports + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: renesas,r8a7740-lcdc + then: + properties: + ports: + properties: + port@2: false + + - if: + properties: + compatible: + contains: + const: renesas,sh73a0-lcdc + then: + properties: + ports: + required: + - port@1 + - port@2 + +examples: + - | + #include + #include + + lcd-controller@fe940000 { + compatible = "renesas,r8a7740-lcdc"; + reg = <0xfe940000 0x4000>; + interrupts = ; + clocks = <&mstp1_clks R8A7740_CLK_LCDC0>, + <&cpg_clocks R8A7740_CLK_M3>, <&lcdlclk0_clk>, + <&vou_clk>; + clock-names = "fck", "media", "lclk", "video"; + power-domains = <&pd_a4lc>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lcdc0_rgb: endpoint { + }; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index e12c73b8a69d..c5f67ee3e6f2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7035,6 +7035,7 @@ M: Geert Uytterhoeven L: dri-devel@lists.freedesktop.org L: linux-renesas-soc@vger.kernel.org S: Supported +F: Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml F: drivers/gpu/drm/renesas/shmobile/ F: include/linux/platform_data/shmob_drm.h From c68ab8b5ea53aa0895f7ec5b72c87e0f7097761e Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:18 +0200 Subject: [PATCH 03/83] media: uapi: Add MEDIA_BUS_FMT_RGB666_2X9_BE format Add the RGB666 9:9 format MEDIA_BUS_FMT_RGB666_2X9_BE, which is supported by the SH-Mobile LCD Controller. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/8b421cc391ac511c07cb1e243c1ba18bb95f7f98.1694767209.git.geert+renesas@glider.be --- .../media/v4l/subdev-formats.rst | 72 +++++++++++++++++++ include/uapi/linux/media-bus-format.h | 3 +- 2 files changed, 74 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst index a3a35eeed708..eb3cd20b0cf2 100644 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst @@ -949,6 +949,78 @@ The following tables list existing packed RGB formats. - b\ :sub:`2` - b\ :sub:`1` - b\ :sub:`0` + * .. _MEDIA-BUS-FMT-RGB666-2X9-BE: + + - MEDIA_BUS_FMT_RGB666_2X9_BE + - 0x1025 + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - r\ :sub:`5` + - r\ :sub:`4` + - r\ :sub:`3` + - r\ :sub:`2` + - r\ :sub:`1` + - r\ :sub:`0` + - g\ :sub:`5` + - g\ :sub:`4` + - g\ :sub:`3` + * - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - g\ :sub:`2` + - g\ :sub:`1` + - g\ :sub:`0` + - b\ :sub:`5` + - b\ :sub:`4` + - b\ :sub:`3` + - b\ :sub:`2` + - b\ :sub:`1` + - b\ :sub:`0` * .. _MEDIA-BUS-FMT-BGR666-1X18: - MEDIA_BUS_FMT_BGR666_1X18 diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h index a03c543cb072..f05f747e444d 100644 --- a/include/uapi/linux/media-bus-format.h +++ b/include/uapi/linux/media-bus-format.h @@ -34,7 +34,7 @@ #define MEDIA_BUS_FMT_FIXED 0x0001 -/* RGB - next is 0x1025 */ +/* RGB - next is 0x1026 */ #define MEDIA_BUS_FMT_RGB444_1X12 0x1016 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002 @@ -46,6 +46,7 @@ #define MEDIA_BUS_FMT_RGB565_2X8_BE 0x1007 #define MEDIA_BUS_FMT_RGB565_2X8_LE 0x1008 #define MEDIA_BUS_FMT_RGB666_1X18 0x1009 +#define MEDIA_BUS_FMT_RGB666_2X9_BE 0x1025 #define MEDIA_BUS_FMT_BGR666_1X18 0x1023 #define MEDIA_BUS_FMT_RBG888_1X24 0x100e #define MEDIA_BUS_FMT_RGB666_1X24_CPADHI 0x1015 From 28675d45a3810c7302979b9803b18814d357c650 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:19 +0200 Subject: [PATCH 04/83] drm: renesas: shmobile: Fix overlay plane disable Merely writing zero to the CHn Source Image Format Register is not sufficient to disable a plane, as the programmed register value is not propagated immediately to the current side. This can be seen when using the -P option of modetest: the extra plane is displayed correctly, but does not disappear after exit. Fix this by doing the full update dance using the Blend Control Register, like is done when enabling the plane. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/54e2556e18b5524ce153a7ac79faf2c7b0a55260.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 850986cee848..0e34573c3cb3 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -215,7 +215,10 @@ static int shmob_drm_plane_disable(struct drm_plane *plane, splane->format = NULL; + lcdc_write(sdev, LDBCR, LDBCR_UPC(splane->index)); lcdc_write(sdev, LDBnBSIFR(splane->index), 0); + lcdc_write(sdev, LDBCR, + LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index)); return 0; } From 1396c2693aed3fb3240aa54dde61085958bbab97 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:20 +0200 Subject: [PATCH 05/83] drm: renesas: shmobile: Fix ARGB32 overlay format typo When configuring a CHn Source Image Format Register (LDBBSIFR), one should use the corresponding LDBBSIFR_RPKF_* definition for overlay planes, not the DDFR_PKF_* definition for the primary plane. Fortunately both definitions resolve to the same value, so this bug did not cause any harm. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/34f8d51539c048e264699ca869ad9d7a952cd69f.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 0e34573c3cb3..7e49e2873da1 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -94,10 +94,10 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB24; break; case DRM_FORMAT_ARGB8888: - format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDDFR_PKF_ARGB32; + format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDBBSIFR_RPKF_ARGB32; break; case DRM_FORMAT_XRGB8888: - format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDDFR_PKF_ARGB32; + format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_ARGB32; break; case DRM_FORMAT_NV12: case DRM_FORMAT_NV21: From b25064ef997bf30ad8c6abe5fbd6e3ddae75d17b Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:21 +0200 Subject: [PATCH 06/83] drm: renesas: shmobile: Correct encoder/connector types The first encoder output on the SH-Mobile LCD Controller is a DPI parallel bus. However, at the time of introduction of the driver, no encoder or connector types were defined yet for the DPI parallel bus, hence the driver used the ones for LVDS instead. Adjust the types accordingly. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/db500dd8356955d3471a1ccd68d90db9f9750ef9.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 11dd2bc803e7..fbfd906844da 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -598,7 +598,7 @@ int shmob_drm_encoder_create(struct shmob_drm_device *sdev) encoder->possible_crtcs = 1; ret = drm_simple_encoder_init(sdev->ddev, encoder, - DRM_MODE_ENCODER_LVDS); + DRM_MODE_ENCODER_DPI); if (ret < 0) return ret; @@ -684,7 +684,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, connector->display_info.height_mm = sdev->pdata->panel.height_mm; ret = drm_connector_init(sdev->ddev, connector, &connector_funcs, - DRM_MODE_CONNECTOR_LVDS); + DRM_MODE_CONNECTOR_DPI); if (ret < 0) return ret; From 616f73c9d3255342a037c5204ce381a4d7aa274a Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:22 +0200 Subject: [PATCH 07/83] drm: renesas: shmobile: Add support for Runtime PM The SH-Mobile LCD Controller is part of a PM Domain on all relevant SoCs (clock domain on all, power domain on some). Hence it may not be sufficient to manage the LCDC module clock explicitly (e.g. if the selected clock source differs from SHMOB_DRM_CLK_BUS). Fix this by using Runtime PM for all clock handling. Add an explicit dependency on CONFIG_PM, which should already be met on all affected platforms. Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/e7359a64963bd9a4f1531c2beae850774ce140bc.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/Kconfig | 2 +- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 32 ++-------------- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 38 +++++++++++++++++-- 3 files changed, 40 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/Kconfig b/drivers/gpu/drm/renesas/shmobile/Kconfig index ad14112999ad..ba941587ca70 100644 --- a/drivers/gpu/drm/renesas/shmobile/Kconfig +++ b/drivers/gpu/drm/renesas/shmobile/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 config DRM_SHMOBILE tristate "DRM Support for SH Mobile" - depends on DRM + depends on DRM && PM depends on ARCH_RENESAS || ARCH_SHMOBILE || COMPILE_TEST select BACKLIGHT_CLASS_DEVICE select DRM_KMS_HELPER diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index fbfd906844da..2d9ae0c6ab7b 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -9,6 +9,7 @@ #include #include +#include #include #include @@ -34,29 +35,6 @@ * TODO: panel support */ -/* ----------------------------------------------------------------------------- - * Clock management - */ - -static int shmob_drm_clk_on(struct shmob_drm_device *sdev) -{ - int ret; - - if (sdev->clock) { - ret = clk_prepare_enable(sdev->clock); - if (ret < 0) - return ret; - } - - return 0; -} - -static void shmob_drm_clk_off(struct shmob_drm_device *sdev) -{ - if (sdev->clock) - clk_disable_unprepare(sdev->clock); -} - /* ----------------------------------------------------------------------------- * CRTC */ @@ -170,9 +148,8 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) if (WARN_ON(format == NULL)) return; - /* Enable clocks before accessing the hardware. */ - ret = shmob_drm_clk_on(sdev); - if (ret < 0) + ret = pm_runtime_resume_and_get(sdev->dev); + if (ret) return; /* Reset and enable the LCDC. */ @@ -268,8 +245,7 @@ static void shmob_drm_crtc_stop(struct shmob_drm_crtc *scrtc) /* Disable the display output. */ lcdc_write(sdev, LDCNT1R, 0); - /* Stop clocks. */ - shmob_drm_clk_off(sdev); + pm_runtime_put(sdev->dev); scrtc->started = false; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index e5db4e0095ba..a0f8b7666ab3 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -165,8 +166,35 @@ static int shmob_drm_pm_resume(struct device *dev) return 0; } -static DEFINE_SIMPLE_DEV_PM_OPS(shmob_drm_pm_ops, - shmob_drm_pm_suspend, shmob_drm_pm_resume); +static int shmob_drm_pm_runtime_suspend(struct device *dev) +{ + struct shmob_drm_device *sdev = dev_get_drvdata(dev); + + if (sdev->clock) + clk_disable_unprepare(sdev->clock); + + return 0; +} + +static int shmob_drm_pm_runtime_resume(struct device *dev) +{ + struct shmob_drm_device *sdev = dev_get_drvdata(dev); + int ret; + + if (sdev->clock) { + ret = clk_prepare_enable(sdev->clock); + if (ret < 0) + return ret; + } + + return 0; +} + +static const struct dev_pm_ops shmob_drm_pm_ops = { + SYSTEM_SLEEP_PM_OPS(shmob_drm_pm_suspend, shmob_drm_pm_resume) + RUNTIME_PM_OPS(shmob_drm_pm_runtime_suspend, + shmob_drm_pm_runtime_resume, NULL) +}; /* ----------------------------------------------------------------------------- * Platform driver @@ -218,6 +246,10 @@ static int shmob_drm_probe(struct platform_device *pdev) if (ret < 0) return ret; + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + return ret; + ret = shmob_drm_init_interface(sdev); if (ret < 0) return ret; @@ -289,7 +321,7 @@ static struct platform_driver shmob_drm_platform_driver = { .remove_new = shmob_drm_remove, .driver = { .name = "shmob-drm", - .pm = pm_sleep_ptr(&shmob_drm_pm_ops), + .pm = &shmob_drm_pm_ops, }, }; From 887042d635005b5127b04a73d2c9d0c79cf380b1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:23 +0200 Subject: [PATCH 08/83] drm: renesas: shmobile: Restore indentation of shmob_drm_setup_clocks() Commit 56550d94cbaeaa19 ("Drivers: gpu: remove __dev* attributes.") forgot to realign the continuation of the parameter section of shmob_drm_setup_clocks(). Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/b1c5c9b33b74fef1f4250847398a98f93c4dc1be.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index a0f8b7666ab3..8a685bfc8e08 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -67,7 +67,7 @@ static int shmob_drm_init_interface(struct shmob_drm_device *sdev) } static int shmob_drm_setup_clocks(struct shmob_drm_device *sdev, - enum shmob_drm_clk_source clksrc) + enum shmob_drm_clk_source clksrc) { struct clk *clk; char *clkname; From 480b5571f33151e9b4a4dfddfbde7eff14fbe27d Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:24 +0200 Subject: [PATCH 09/83] drm: renesas: shmobile: Use %p4cc to print fourcc code Replace the last printing of an hexadecimal fourcc format code by a pretty-printed format name, using the "%p4cc" format specifier. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/aaa9d474535f3cd800da5a9ef27023dc7960e690.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 7e49e2873da1..36fedb2b74c8 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -184,8 +184,8 @@ shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, format = shmob_drm_format_info(fb->format->format); if (format == NULL) { - dev_dbg(sdev->dev, "update_plane: unsupported format %08x\n", - fb->format->format); + dev_dbg(sdev->dev, "update_plane: unsupported format %p4cc\n", + &fb->format->format); return -EINVAL; } From 02e6e3c2fa26ad1e9b458b07c8fd0e56d46607bd Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:25 +0200 Subject: [PATCH 10/83] drm: renesas: shmobile: Add missing YCbCr formats The primary plane supports various YCbCr formats, and the CRTC code already knows how to handle them. Enable support for the missing formats by adding them to the table of supported modes. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/e5a5d5ab2083280be5fcdc428e8b8ca198b4448d.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 2d9ae0c6ab7b..a0e1a49c84d5 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -460,6 +460,12 @@ static const uint32_t modeset_formats[] = { DRM_FORMAT_RGB888, DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888, + DRM_FORMAT_NV12, + DRM_FORMAT_NV21, + DRM_FORMAT_NV16, + DRM_FORMAT_NV61, + DRM_FORMAT_NV24, + DRM_FORMAT_NV42, }; static const struct drm_plane_funcs primary_plane_funcs = { From 7802ca6b234b622da35fa4843943be7a0e8facf1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:26 +0200 Subject: [PATCH 11/83] drm: renesas: shmobile: Improve shmob_drm_format_info table Improve the table containing hardware information related to the supported plane formats: 1. Move (part of) the overlay format register settings from multiple switch() statements spread across the code into the table, like is already done for the primary plane register settings, 2. Remove the .yuv field, as that information can easily be extracted from the register settings using a new helper macro, 3. Shrink and move the .bpp field to reduce table size. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/b41f755e80ffe5fb4adbb2d8f96f2073de5c33bc.1694767209.git.geert+renesas@glider.be --- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 29 ++-------- .../gpu/drm/renesas/shmobile/shmob_drm_kms.c | 42 ++++++++++---- .../gpu/drm/renesas/shmobile/shmob_drm_kms.h | 9 ++- .../drm/renesas/shmobile/shmob_drm_plane.c | 56 ++----------------- 4 files changed, 47 insertions(+), 89 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index a0e1a49c84d5..2cdf8f9b06e5 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -191,31 +191,12 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) lcdc_write(sdev, LDDFR, format->lddfr | LDDFR_CF1); lcdc_write(sdev, LDMLSR, scrtc->line_size); lcdc_write(sdev, LDSA1R, scrtc->dma[0]); - if (format->yuv) + if (shmob_drm_format_is_yuv(format)) lcdc_write(sdev, LDSA2R, scrtc->dma[1]); lcdc_write(sdev, LDSM1R, 0); /* Word and long word swap. */ - switch (format->fourcc) { - case DRM_FORMAT_RGB565: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV42: - value = LDDDSR_LS | LDDDSR_WS; - break; - case DRM_FORMAT_RGB888: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV24: - value = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS; - break; - case DRM_FORMAT_ARGB8888: - case DRM_FORMAT_XRGB8888: - default: - value = LDDDSR_LS; - break; - } - lcdc_write(sdev, LDDDSR, value); + lcdc_write(sdev, LDDDSR, format->ldddsr); /* Setup planes. */ drm_for_each_legacy_plane(plane, dev) { @@ -271,12 +252,12 @@ static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc, struct drm_gem_dma_object *gem; unsigned int bpp; - bpp = scrtc->format->yuv ? 8 : scrtc->format->bpp; + bpp = shmob_drm_format_is_yuv(scrtc->format) ? 8 : scrtc->format->bpp; gem = drm_fb_dma_get_gem_obj(fb, 0); scrtc->dma[0] = gem->dma_addr + fb->offsets[0] + y * fb->pitches[0] + x * bpp / 8; - if (scrtc->format->yuv) { + if (shmob_drm_format_is_yuv(scrtc->format)) { bpp = scrtc->format->bpp - 8; gem = drm_fb_dma_get_gem_obj(fb, 1); scrtc->dma[1] = gem->dma_addr + fb->offsets[1] @@ -293,7 +274,7 @@ static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc) shmob_drm_crtc_compute_base(scrtc, crtc->x, crtc->y); lcdc_write_mirror(sdev, LDSA1R, scrtc->dma[0]); - if (scrtc->format->yuv) + if (shmob_drm_format_is_yuv(scrtc->format)) lcdc_write_mirror(sdev, LDSA2R, scrtc->dma[1]); lcdc_write(sdev, LDRCNTR, lcdc_read(sdev, LDRCNTR) ^ LDRCNTR_MRS); diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 99381cc0abf3..8fd360149743 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -27,53 +27,73 @@ static const struct shmob_drm_format_info shmob_drm_format_infos[] = { { .fourcc = DRM_FORMAT_RGB565, .bpp = 16, - .yuv = false, .lddfr = LDDFR_PKF_RGB16, + .ldddsr = LDDDSR_LS | LDDDSR_WS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_RY | LDBBSIFR_RPKF_RGB16, }, { .fourcc = DRM_FORMAT_RGB888, .bpp = 24, - .yuv = false, .lddfr = LDDFR_PKF_RGB24, + .ldddsr = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_SWPB | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB24, }, { .fourcc = DRM_FORMAT_ARGB8888, .bpp = 32, - .yuv = false, .lddfr = LDDFR_PKF_ARGB32, + .ldddsr = LDDDSR_LS, + .ldbbsifr = LDBBSIFR_AL_PK | LDBBSIFR_SWPL | LDBBSIFR_RY | + LDBBSIFR_RPKF_ARGB32, }, { .fourcc = DRM_FORMAT_XRGB8888, .bpp = 32, - .yuv = false, .lddfr = LDDFR_PKF_ARGB32, + .ldddsr = LDDDSR_LS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_RY | + LDBBSIFR_RPKF_ARGB32, }, { .fourcc = DRM_FORMAT_NV12, .bpp = 12, - .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_420, + .ldddsr = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_SWPB | LDBBSIFR_CHRR_420, }, { .fourcc = DRM_FORMAT_NV21, .bpp = 12, - .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_420, + .ldddsr = LDDDSR_LS | LDDDSR_WS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_CHRR_420, }, { .fourcc = DRM_FORMAT_NV16, .bpp = 16, - .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_422, + .ldddsr = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_SWPB | LDBBSIFR_CHRR_422, }, { .fourcc = DRM_FORMAT_NV61, .bpp = 16, - .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_422, + .ldddsr = LDDDSR_LS | LDDDSR_WS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_CHRR_422, }, { .fourcc = DRM_FORMAT_NV24, .bpp = 24, - .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_444, + .ldddsr = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_SWPB | LDBBSIFR_CHRR_444, }, { .fourcc = DRM_FORMAT_NV42, .bpp = 24, - .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_444, + .ldddsr = LDDDSR_LS | LDDDSR_WS, + .ldbbsifr = LDBBSIFR_AL_1 | LDBBSIFR_SWPL | LDBBSIFR_SWPW | + LDBBSIFR_CHRR_444, }, }; @@ -112,7 +132,7 @@ shmob_drm_fb_create(struct drm_device *dev, struct drm_file *file_priv, return ERR_PTR(-EINVAL); } - if (format->yuv) { + if (shmob_drm_format_is_yuv(format)) { unsigned int chroma_cpp = format->bpp == 24 ? 2 : 1; if (mode_cmd->pitches[1] != mode_cmd->pitches[0] * chroma_cpp) { diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.h index 0347b1fd2338..590162c3db20 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.h @@ -17,11 +17,14 @@ struct shmob_drm_device; struct shmob_drm_format_info { u32 fourcc; - unsigned int bpp; - bool yuv; - u32 lddfr; + u32 lddfr; /* LCD Data Format Register */ + u16 ldbbsifr; /* CHn Source Image Format Register low bits */ + u8 ldddsr; /* LCDC Input Image Data Swap Register low bits */ + u8 bpp; }; +#define shmob_drm_format_is_yuv(format) ((format)->lddfr & LDDFR_CC) + const struct shmob_drm_format_info *shmob_drm_format_info(u32 fourcc); int shmob_drm_modeset_init(struct shmob_drm_device *sdev); diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 36fedb2b74c8..0b2ab153e9ae 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -43,12 +43,12 @@ static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane, struct drm_gem_dma_object *gem; unsigned int bpp; - bpp = splane->format->yuv ? 8 : splane->format->bpp; + bpp = shmob_drm_format_is_yuv(splane->format) ? 8 : splane->format->bpp; gem = drm_fb_dma_get_gem_obj(fb, 0); splane->dma[0] = gem->dma_addr + fb->offsets[0] + y * fb->pitches[0] + x * bpp / 8; - if (splane->format->yuv) { + if (shmob_drm_format_is_yuv(splane->format)) { bpp = splane->format->bpp - 8; gem = drm_fb_dma_get_gem_obj(fb, 1); splane->dma[1] = gem->dma_addr + fb->offsets[1] @@ -64,54 +64,8 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, u32 format; /* TODO: Support ROP3 mode */ - format = LDBBSIFR_EN | (splane->alpha << LDBBSIFR_LAY_SHIFT); - - switch (splane->format->fourcc) { - case DRM_FORMAT_RGB565: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV42: - format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW; - break; - case DRM_FORMAT_RGB888: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV24: - format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW | LDBBSIFR_SWPB; - break; - case DRM_FORMAT_ARGB8888: - case DRM_FORMAT_XRGB8888: - default: - format |= LDBBSIFR_SWPL; - break; - } - - switch (splane->format->fourcc) { - case DRM_FORMAT_RGB565: - format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB16; - break; - case DRM_FORMAT_RGB888: - format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB24; - break; - case DRM_FORMAT_ARGB8888: - format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDBBSIFR_RPKF_ARGB32; - break; - case DRM_FORMAT_XRGB8888: - format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_ARGB32; - break; - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_420; - break; - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_422; - break; - case DRM_FORMAT_NV24: - case DRM_FORMAT_NV42: - format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_444; - break; - } + format = LDBBSIFR_EN | (splane->alpha << LDBBSIFR_LAY_SHIFT) | + splane->format->ldbbsifr; #define plane_reg_dump(sdev, splane, reg) \ dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \ @@ -144,7 +98,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, shmob_drm_plane_compute_base(splane, fb, splane->src_x, splane->src_y); lcdc_write(sdev, LDBnBSAYR(splane->index), splane->dma[0]); - if (splane->format->yuv) + if (shmob_drm_format_is_yuv(splane->format)) lcdc_write(sdev, LDBnBSACR(splane->index), splane->dma[1]); lcdc_write(sdev, LDBCR, From 0da28d5fc808dfcfbc910870b4b0277c1a7ccb6c Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 15 Sep 2023 10:53:27 +0200 Subject: [PATCH 12/83] drm: renesas: shmobile: Remove backlight support Backlight support should be implemented by panels, not by the LCDC driver. As the feature is currently unused anyway, remove it. Signed-off-by: Laurent Pinchart [geert: Cleanups] Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/69707650245bc2193d072f24723d4d5482ea590b.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/Makefile | 3 +- .../renesas/shmobile/shmob_drm_backlight.c | 82 ------------------- .../renesas/shmobile/shmob_drm_backlight.h | 19 ----- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 33 +------- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.h | 8 -- .../gpu/drm/renesas/shmobile/shmob_drm_drv.h | 2 +- .../gpu/drm/renesas/shmobile/shmob_drm_kms.c | 2 +- include/linux/platform_data/shmob_drm.h | 8 -- 8 files changed, 7 insertions(+), 150 deletions(-) delete mode 100644 drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.c delete mode 100644 drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.h diff --git a/drivers/gpu/drm/renesas/shmobile/Makefile b/drivers/gpu/drm/renesas/shmobile/Makefile index 861edafed856..2679555d61a7 100644 --- a/drivers/gpu/drm/renesas/shmobile/Makefile +++ b/drivers/gpu/drm/renesas/shmobile/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -shmob-drm-y := shmob_drm_backlight.o \ - shmob_drm_crtc.o \ +shmob-drm-y := shmob_drm_crtc.o \ shmob_drm_drv.o \ shmob_drm_kms.o \ shmob_drm_plane.o diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.c deleted file mode 100644 index 794573badfe8..000000000000 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.c +++ /dev/null @@ -1,82 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * shmob_drm_backlight.c -- SH Mobile DRM Backlight - * - * Copyright (C) 2012 Renesas Electronics Corporation - * - * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - */ - -#include - -#include "shmob_drm_backlight.h" -#include "shmob_drm_crtc.h" -#include "shmob_drm_drv.h" - -static int shmob_drm_backlight_update(struct backlight_device *bdev) -{ - struct shmob_drm_connector *scon = bl_get_data(bdev); - struct shmob_drm_device *sdev = scon->connector.dev->dev_private; - const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; - int brightness = backlight_get_brightness(bdev); - - return bdata->set_brightness(brightness); -} - -static int shmob_drm_backlight_get_brightness(struct backlight_device *bdev) -{ - struct shmob_drm_connector *scon = bl_get_data(bdev); - struct shmob_drm_device *sdev = scon->connector.dev->dev_private; - const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; - - return bdata->get_brightness(); -} - -static const struct backlight_ops shmob_drm_backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = shmob_drm_backlight_update, - .get_brightness = shmob_drm_backlight_get_brightness, -}; - -void shmob_drm_backlight_dpms(struct shmob_drm_connector *scon, int mode) -{ - if (scon->backlight == NULL) - return; - - scon->backlight->props.power = mode == DRM_MODE_DPMS_ON - ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; - backlight_update_status(scon->backlight); -} - -int shmob_drm_backlight_init(struct shmob_drm_connector *scon) -{ - struct shmob_drm_device *sdev = scon->connector.dev->dev_private; - const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; - struct drm_connector *connector = &scon->connector; - struct drm_device *dev = connector->dev; - struct backlight_device *backlight; - - if (!bdata->max_brightness) - return 0; - - backlight = backlight_device_register(bdata->name, dev->dev, scon, - &shmob_drm_backlight_ops, NULL); - if (IS_ERR(backlight)) { - dev_err(dev->dev, "unable to register backlight device: %ld\n", - PTR_ERR(backlight)); - return PTR_ERR(backlight); - } - - backlight->props.max_brightness = bdata->max_brightness; - backlight->props.brightness = bdata->max_brightness; - backlight->props.power = FB_BLANK_POWERDOWN; - backlight_update_status(backlight); - - scon->backlight = backlight; - return 0; -} - -void shmob_drm_backlight_exit(struct shmob_drm_connector *scon) -{ - backlight_device_unregister(scon->backlight); -} diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.h deleted file mode 100644 index d9abb7a60be5..000000000000 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * shmob_drm_backlight.h -- SH Mobile DRM Backlight - * - * Copyright (C) 2012 Renesas Electronics Corporation - * - * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - */ - -#ifndef __SHMOB_DRM_BACKLIGHT_H__ -#define __SHMOB_DRM_BACKLIGHT_H__ - -struct shmob_drm_connector; - -void shmob_drm_backlight_dpms(struct shmob_drm_connector *scon, int mode); -int shmob_drm_backlight_init(struct shmob_drm_connector *scon); -void shmob_drm_backlight_exit(struct shmob_drm_connector *scon); - -#endif /* __SHMOB_DRM_BACKLIGHT_H__ */ diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 2cdf8f9b06e5..db9d8d440144 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -7,7 +7,6 @@ * Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ -#include #include #include @@ -24,7 +23,6 @@ #include #include -#include "shmob_drm_backlight.h" #include "shmob_drm_crtc.h" #include "shmob_drm_drv.h" #include "shmob_drm_kms.h" @@ -487,21 +485,9 @@ int shmob_drm_crtc_create(struct shmob_drm_device *sdev) * Encoder */ -#define to_shmob_encoder(e) \ - container_of(e, struct shmob_drm_encoder, encoder) - static void shmob_drm_encoder_dpms(struct drm_encoder *encoder, int mode) { - struct shmob_drm_encoder *senc = to_shmob_encoder(encoder); - struct shmob_drm_device *sdev = encoder->dev->dev_private; - struct shmob_drm_connector *scon = &sdev->connector; - - if (senc->dpms == mode) - return; - - shmob_drm_backlight_dpms(scon, mode); - - senc->dpms = mode; + /* No-op, everything is handled in the CRTC code. */ } static bool shmob_drm_encoder_mode_fixup(struct drm_encoder *encoder, @@ -553,11 +539,9 @@ static const struct drm_encoder_helper_funcs encoder_helper_funcs = { int shmob_drm_encoder_create(struct shmob_drm_device *sdev) { - struct drm_encoder *encoder = &sdev->encoder.encoder; + struct drm_encoder *encoder = &sdev->encoder; int ret; - sdev->encoder.dpms = DRM_MODE_DPMS_OFF; - encoder->possible_crtcs = 1; ret = drm_simple_encoder_init(sdev->ddev, encoder, @@ -622,9 +606,6 @@ static const struct drm_connector_helper_funcs connector_helper_funcs = { static void shmob_drm_connector_destroy(struct drm_connector *connector) { - struct shmob_drm_connector *scon = to_shmob_connector(connector); - - shmob_drm_backlight_exit(scon); drm_connector_unregister(connector); drm_connector_cleanup(connector); } @@ -653,13 +634,9 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, drm_connector_helper_add(connector, &connector_helper_funcs); - ret = shmob_drm_backlight_init(&sdev->connector); - if (ret < 0) - goto err_cleanup; - ret = drm_connector_attach_encoder(connector, encoder); if (ret < 0) - goto err_backlight; + goto error; drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); drm_object_property_set_value(&connector->base, @@ -667,9 +644,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, return 0; -err_backlight: - shmob_drm_backlight_exit(&sdev->connector); -err_cleanup: +error: drm_connector_cleanup(connector); return ret; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h index 21718843f46d..bce692626945 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.h @@ -14,7 +14,6 @@ #include #include -struct backlight_device; struct drm_pending_vblank_event; struct shmob_drm_device; struct shmob_drm_format_info; @@ -31,16 +30,9 @@ struct shmob_drm_crtc { bool started; }; -struct shmob_drm_encoder { - struct drm_encoder encoder; - int dpms; -}; - struct shmob_drm_connector { struct drm_connector connector; struct drm_encoder *encoder; - - struct backlight_device *backlight; }; int shmob_drm_crtc_create(struct shmob_drm_device *sdev); diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h index 4964ddd5ab74..16d830168b2a 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h @@ -35,7 +35,7 @@ struct shmob_drm_device { struct drm_device *ddev; struct shmob_drm_crtc crtc; - struct shmob_drm_encoder encoder; + struct drm_encoder encoder; struct shmob_drm_connector connector; }; diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 8fd360149743..3051318ddc79 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -159,7 +159,7 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) shmob_drm_crtc_create(sdev); shmob_drm_encoder_create(sdev); - shmob_drm_connector_create(sdev, &sdev->encoder.encoder); + shmob_drm_connector_create(sdev, &sdev->encoder); drm_kms_helper_poll_init(sdev->ddev); diff --git a/include/linux/platform_data/shmob_drm.h b/include/linux/platform_data/shmob_drm.h index d661399b217d..b6b5b6607fb5 100644 --- a/include/linux/platform_data/shmob_drm.h +++ b/include/linux/platform_data/shmob_drm.h @@ -40,13 +40,6 @@ enum shmob_drm_interface { SHMOB_DRM_IFACE_SYS24, /* 24bpp */ }; -struct shmob_drm_backlight_data { - const char *name; - int max_brightness; - int (*get_brightness)(void); - int (*set_brightness)(int brightness); -}; - struct shmob_drm_panel_data { unsigned int width_mm; /* Panel width in mm */ unsigned int height_mm; /* Panel height in mm */ @@ -83,7 +76,6 @@ struct shmob_drm_platform_data { enum shmob_drm_clk_source clk_source; struct shmob_drm_interface_data iface; struct shmob_drm_panel_data panel; - struct shmob_drm_backlight_data backlight; }; #endif /* __SHMOB_DRM_H__ */ From 76b1405832ac067c16997fb7ede7b2e2517aa441 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 15 Sep 2023 10:53:28 +0200 Subject: [PATCH 13/83] drm: renesas: shmobile: Don't set display info width and height twice The display info width_mm and height_mm fields are set at init time and never overwritten, don't set them a second time when getting modes. Signed-off-by: Laurent Pinchart Reviewed-by: Sui Jingfeng Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/edd49fcb92af83d81df655b3db1685e8ed14380a.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index db9d8d440144..2ccb2fbfea26 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -585,9 +585,6 @@ static int shmob_drm_connector_get_modes(struct drm_connector *connector) drm_mode_set_name(mode); drm_mode_probed_add(connector, mode); - connector->display_info.width_mm = sdev->pdata->panel.width_mm; - connector->display_info.height_mm = sdev->pdata->panel.height_mm; - return 1; } From e2eb7e6ee5667f0b5b622020906446e3acbdd4b3 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 15 Sep 2023 10:53:29 +0200 Subject: [PATCH 14/83] drm: renesas: shmobile: Rename input clocks Prepare for DT bindings by using more appropriate names for the input clocks. Note that all LDDCKR_ICKSEL_* definitions but the one for the bus clock are valid only for SH7724, so the clock selection code needs to be updated when extending clock support to other SoCs. Signed-off-by: Laurent Pinchart [geert: Add note] Reviewed-by: Sui Jingfeng Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/d4b4d2164541ae055d10064103db3c2d6540e846.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index 8a685bfc8e08..5f3061e88e21 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -74,15 +74,15 @@ static int shmob_drm_setup_clocks(struct shmob_drm_device *sdev, switch (clksrc) { case SHMOB_DRM_CLK_BUS: - clkname = "bus_clk"; + clkname = "fck"; sdev->lddckr = LDDCKR_ICKSEL_BUS; break; case SHMOB_DRM_CLK_PERIPHERAL: - clkname = "peripheral_clk"; + clkname = "media"; sdev->lddckr = LDDCKR_ICKSEL_MIPI; break; case SHMOB_DRM_CLK_EXTERNAL: - clkname = NULL; + clkname = "lclk"; sdev->lddckr = LDDCKR_ICKSEL_HDMI; break; default: From 04ed052f3ab4b3c4c3e8451522ffaa84479bf0fb Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 15 Sep 2023 10:53:30 +0200 Subject: [PATCH 15/83] drm: renesas: shmobile: Remove support for SYS panels SYS panels are not used, and have no defined DT bindings. Remove their support to avoid impeding DT support. It can always be added back later. Signed-off-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/4ccca2a5ac05c73ea9fd6e44b8bc443fd9d14e0d.1694767209.git.geert+renesas@glider.be --- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 20 --------------- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 11 -------- include/linux/platform_data/shmob_drm.h | 25 ------------------- 3 files changed, 56 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 2ccb2fbfea26..015263ac2100 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -55,24 +55,6 @@ static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc) | ((idata->flags & SHMOB_DRM_IFACE_FL_DWCNT) ? LDMT1R_DWCNT : 0); lcdc_write(sdev, LDMT1R, value); - if (idata->interface >= SHMOB_DRM_IFACE_SYS8A && - idata->interface <= SHMOB_DRM_IFACE_SYS24) { - /* Setup SYS bus. */ - value = (idata->sys.cs_setup << LDMT2R_CSUP_SHIFT) - | (idata->sys.vsync_active_high ? LDMT2R_RSV : 0) - | (idata->sys.vsync_dir_input ? LDMT2R_VSEL : 0) - | (idata->sys.write_setup << LDMT2R_WCSC_SHIFT) - | (idata->sys.write_cycle << LDMT2R_WCEC_SHIFT) - | (idata->sys.write_strobe << LDMT2R_WCLW_SHIFT); - lcdc_write(sdev, LDMT2R, value); - - value = (idata->sys.read_latch << LDMT3R_RDLC_SHIFT) - | (idata->sys.read_setup << LDMT3R_RCSC_SHIFT) - | (idata->sys.read_cycle << LDMT3R_RCEC_SHIFT) - | (idata->sys.read_strobe << LDMT3R_RCLW_SHIFT); - lcdc_write(sdev, LDMT3R, value); - } - value = ((mode->hdisplay / 8) << 16) /* HDCN */ | (mode->htotal / 8); /* HTCN */ lcdc_write(sdev, LDHCNR, value); @@ -180,8 +162,6 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) lcdc_write(sdev, LDDCKSTPR, 0); lcdc_wait_bit(sdev, LDDCKSTPR, ~0, 0); - /* TODO: Setup SYS panel */ - /* Setup geometry, format, frame buffer memory and operation mode. */ shmob_drm_crtc_setup_geometry(scrtc); diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index 5f3061e88e21..9c3d8b3cf57d 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -43,17 +43,6 @@ static int shmob_drm_init_interface(struct shmob_drm_device *sdev) [SHMOB_DRM_IFACE_RGB18] = LDMT1R_MIFTYP_RGB18, [SHMOB_DRM_IFACE_RGB24] = LDMT1R_MIFTYP_RGB24, [SHMOB_DRM_IFACE_YUV422] = LDMT1R_MIFTYP_YCBCR, - [SHMOB_DRM_IFACE_SYS8A] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8A, - [SHMOB_DRM_IFACE_SYS8B] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8B, - [SHMOB_DRM_IFACE_SYS8C] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8C, - [SHMOB_DRM_IFACE_SYS8D] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS8D, - [SHMOB_DRM_IFACE_SYS9] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS9, - [SHMOB_DRM_IFACE_SYS12] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS12, - [SHMOB_DRM_IFACE_SYS16A] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16A, - [SHMOB_DRM_IFACE_SYS16B] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16B, - [SHMOB_DRM_IFACE_SYS16C] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS16C, - [SHMOB_DRM_IFACE_SYS18] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS18, - [SHMOB_DRM_IFACE_SYS24] = LDMT1R_IFM | LDMT1R_MIFTYP_SYS24, }; if (sdev->pdata->iface.interface >= ARRAY_SIZE(ldmt1r)) { diff --git a/include/linux/platform_data/shmob_drm.h b/include/linux/platform_data/shmob_drm.h index b6b5b6607fb5..b728e24222d9 100644 --- a/include/linux/platform_data/shmob_drm.h +++ b/include/linux/platform_data/shmob_drm.h @@ -27,17 +27,6 @@ enum shmob_drm_interface { SHMOB_DRM_IFACE_RGB18, /* 18bpp */ SHMOB_DRM_IFACE_RGB24, /* 24bpp */ SHMOB_DRM_IFACE_YUV422, /* 16bpp */ - SHMOB_DRM_IFACE_SYS8A, /* 24bpp, 8:8:8 */ - SHMOB_DRM_IFACE_SYS8B, /* 18bpp, 8:8:2 */ - SHMOB_DRM_IFACE_SYS8C, /* 18bpp, 2:8:8 */ - SHMOB_DRM_IFACE_SYS8D, /* 16bpp, 8:8 */ - SHMOB_DRM_IFACE_SYS9, /* 18bpp, 9:9 */ - SHMOB_DRM_IFACE_SYS12, /* 24bpp, 12:12 */ - SHMOB_DRM_IFACE_SYS16A, /* 16bpp */ - SHMOB_DRM_IFACE_SYS16B, /* 18bpp, 16:2 */ - SHMOB_DRM_IFACE_SYS16C, /* 18bpp, 2:16 */ - SHMOB_DRM_IFACE_SYS18, /* 18bpp */ - SHMOB_DRM_IFACE_SYS24, /* 24bpp */ }; struct shmob_drm_panel_data { @@ -46,19 +35,6 @@ struct shmob_drm_panel_data { struct drm_mode_modeinfo mode; }; -struct shmob_drm_sys_interface_data { - unsigned int read_latch:6; - unsigned int read_setup:8; - unsigned int read_cycle:8; - unsigned int read_strobe:8; - unsigned int write_setup:8; - unsigned int write_cycle:8; - unsigned int write_strobe:8; - unsigned int cs_setup:3; - unsigned int vsync_active_high:1; - unsigned int vsync_dir_input:1; -}; - #define SHMOB_DRM_IFACE_FL_DWPOL (1 << 0) /* Rising edge dot clock data latch */ #define SHMOB_DRM_IFACE_FL_DIPOL (1 << 1) /* Active low display enable */ #define SHMOB_DRM_IFACE_FL_DAPOL (1 << 2) /* Active low display data */ @@ -67,7 +43,6 @@ struct shmob_drm_sys_interface_data { struct shmob_drm_interface_data { enum shmob_drm_interface interface; - struct shmob_drm_sys_interface_data sys; unsigned int clk_div; unsigned int flags; }; From 95478b0828752d5b91fe5a94f44d5713e4980599 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:31 +0200 Subject: [PATCH 16/83] drm: renesas: shmobile: Improve error handling Prepare for DT conversion, where panel probe can be deferred, by streamlining error propagation and handling: - Use dev_err_probe() to avoid printing error messages in case of probe deferral, - Propagate errors where needed. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/6dfac76e5b1c7dda3f96801ce83845a4235e2ccd.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 3 ++- drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c | 14 +++++++++++--- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index 9c3d8b3cf57d..399fedd42271 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -253,7 +253,8 @@ static int shmob_drm_probe(struct platform_device *pdev) ret = shmob_drm_modeset_init(sdev); if (ret < 0) { - dev_err(&pdev->dev, "failed to initialize mode setting\n"); + dev_err_probe(&pdev->dev, ret, + "failed to initialize mode setting\n"); goto err_free_drm_dev; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 3051318ddc79..1a62e7f8a8a9 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -157,9 +157,17 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) if (ret) return ret; - shmob_drm_crtc_create(sdev); - shmob_drm_encoder_create(sdev); - shmob_drm_connector_create(sdev, &sdev->encoder); + ret = shmob_drm_crtc_create(sdev); + if (ret < 0) + return ret; + + ret = shmob_drm_encoder_create(sdev); + if (ret < 0) + return ret; + + ret = shmob_drm_connector_create(sdev, &sdev->encoder); + if (ret < 0) + return ret; drm_kms_helper_poll_init(sdev->ddev); From 901500a8ba5c8cf04f8ddc71d6d5c0b02a2c5cf1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:32 +0200 Subject: [PATCH 17/83] drm: renesas: shmobile: Convert to use devm_request_irq() Convert to managed IRQ handling, to simplify cleanup. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/8d870bdc59dd5e2754542388a03095ea09c96297.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index 399fedd42271..bf3a9c1db177 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -196,7 +196,6 @@ static void shmob_drm_remove(struct platform_device *pdev) drm_dev_unregister(ddev); drm_kms_helper_poll_fini(ddev); - free_irq(sdev->irq, ddev); drm_dev_put(ddev); } @@ -277,8 +276,8 @@ static int shmob_drm_probe(struct platform_device *pdev) goto err_modeset_cleanup; sdev->irq = ret; - ret = request_irq(sdev->irq, shmob_drm_irq, 0, ddev->driver->name, - ddev); + ret = devm_request_irq(&pdev->dev, sdev->irq, shmob_drm_irq, 0, + ddev->driver->name, ddev); if (ret < 0) { dev_err(&pdev->dev, "failed to install IRQ handler\n"); goto err_modeset_cleanup; @@ -290,14 +289,12 @@ static int shmob_drm_probe(struct platform_device *pdev) */ ret = drm_dev_register(ddev, 0); if (ret < 0) - goto err_irq_uninstall; + goto err_modeset_cleanup; drm_fbdev_generic_setup(ddev, 16); return 0; -err_irq_uninstall: - free_irq(sdev->irq, ddev); err_modeset_cleanup: drm_kms_helper_poll_fini(ddev); err_free_drm_dev: From 33505f7718186fbe74604c7217143a0845eaeb5f Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:33 +0200 Subject: [PATCH 18/83] drm: renesas: shmobile: Remove custom plane destroy callback There is no need to call drm_plane_force_disable() from the plane's .destroy() callback, as the plane should have been disabled already before. See also commit 3c858a33858baa8c ("drm/plane_helper: don't disable plane in destroy function") for the generic plane helper case. After removing this call, shmob_drm_plane_destroy() becomes a simple wrapper around shmob_drm_plane_destroy(), hence replace it by the latter. Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/8d7a3f250612085fdf4e06d377843e8f874b22d9.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 0b2ab153e9ae..3a5db319bad1 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -176,16 +176,10 @@ static int shmob_drm_plane_disable(struct drm_plane *plane, return 0; } -static void shmob_drm_plane_destroy(struct drm_plane *plane) -{ - drm_plane_force_disable(plane); - drm_plane_cleanup(plane); -} - static const struct drm_plane_funcs shmob_drm_plane_funcs = { .update_plane = shmob_drm_plane_update, .disable_plane = shmob_drm_plane_disable, - .destroy = shmob_drm_plane_destroy, + .destroy = drm_plane_cleanup, }; static const uint32_t formats[] = { From 3d77d2ac7d9d5218a1f3df49e5bf8bd5c4f35b5a Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:34 +0200 Subject: [PATCH 19/83] drm: renesas: shmobile: Use drmm_universal_plane_alloc() According to the comments for drm_universal_plane_init(), the plane structure should not be allocated with devm_kzalloc(). Fix lifetime issues by using drmm_universal_plane_alloc() instead. Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/65ebf0513e2836227a9636e922f51c668bd69720.1694767209.git.geert+renesas@glider.be --- .../gpu/drm/renesas/shmobile/shmob_drm_plane.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 3a5db319bad1..1fb68b5fe915 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -179,7 +179,6 @@ static int shmob_drm_plane_disable(struct drm_plane *plane, static const struct drm_plane_funcs shmob_drm_plane_funcs = { .update_plane = shmob_drm_plane_update, .disable_plane = shmob_drm_plane_disable, - .destroy = drm_plane_cleanup, }; static const uint32_t formats[] = { @@ -198,19 +197,16 @@ static const uint32_t formats[] = { int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index) { struct shmob_drm_plane *splane; - int ret; - splane = devm_kzalloc(sdev->dev, sizeof(*splane), GFP_KERNEL); - if (splane == NULL) - return -ENOMEM; + splane = drmm_universal_plane_alloc(sdev->ddev, struct shmob_drm_plane, + plane, 1, &shmob_drm_plane_funcs, + formats, ARRAY_SIZE(formats), NULL, + DRM_PLANE_TYPE_OVERLAY, NULL); + if (IS_ERR(splane)) + return PTR_ERR(splane); splane->index = index; splane->alpha = 255; - ret = drm_universal_plane_init(sdev->ddev, &splane->plane, 1, - &shmob_drm_plane_funcs, - formats, ARRAY_SIZE(formats), NULL, - DRM_PLANE_TYPE_OVERLAY, NULL); - - return ret; + return 0; } From 5417750d5ee645eb4169e1e8dc467b0b7b7329fa Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:35 +0200 Subject: [PATCH 20/83] drm: renesas: shmobile: Embed drm_device in shmob_drm_device Embedding drm_device in shmob_drm_device allows us to use the DRM managed API to allocate both structures in one go, simplifying error handling. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/abbf95021191824f44cc8c52e4afbde93d44363a.1694767209.git.geert+renesas@glider.be --- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 12 +++--- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 40 +++++++------------ .../gpu/drm/renesas/shmobile/shmob_drm_drv.h | 2 +- .../gpu/drm/renesas/shmobile/shmob_drm_kms.c | 16 ++++---- .../drm/renesas/shmobile/shmob_drm_plane.c | 8 ++-- 5 files changed, 34 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 015263ac2100..9c66e00ed70e 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -116,7 +116,7 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) struct shmob_drm_device *sdev = crtc->dev->dev_private; const struct shmob_drm_interface_data *idata = &sdev->pdata->iface; const struct shmob_drm_format_info *format; - struct drm_device *dev = sdev->ddev; + struct drm_device *dev = &sdev->ddev; struct drm_plane *plane; u32 value; int ret; @@ -439,7 +439,7 @@ int shmob_drm_crtc_create(struct shmob_drm_device *sdev) sdev->crtc.dpms = DRM_MODE_DPMS_OFF; - primary = __drm_universal_plane_alloc(sdev->ddev, sizeof(*primary), 0, + primary = __drm_universal_plane_alloc(&sdev->ddev, sizeof(*primary), 0, 0, &primary_plane_funcs, modeset_formats, ARRAY_SIZE(modeset_formats), @@ -448,7 +448,7 @@ int shmob_drm_crtc_create(struct shmob_drm_device *sdev) if (IS_ERR(primary)) return PTR_ERR(primary); - ret = drm_crtc_init_with_planes(sdev->ddev, crtc, primary, NULL, + ret = drm_crtc_init_with_planes(&sdev->ddev, crtc, primary, NULL, &crtc_funcs, NULL); if (ret < 0) { drm_plane_cleanup(primary); @@ -524,7 +524,7 @@ int shmob_drm_encoder_create(struct shmob_drm_device *sdev) encoder->possible_crtcs = 1; - ret = drm_simple_encoder_init(sdev->ddev, encoder, + ret = drm_simple_encoder_init(&sdev->ddev, encoder, DRM_MODE_ENCODER_DPI); if (ret < 0) return ret; @@ -604,7 +604,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, connector->display_info.width_mm = sdev->pdata->panel.width_mm; connector->display_info.height_mm = sdev->pdata->panel.height_mm; - ret = drm_connector_init(sdev->ddev, connector, &connector_funcs, + ret = drm_connector_init(&sdev->ddev, connector, &connector_funcs, DRM_MODE_CONNECTOR_DPI); if (ret < 0) return ret; @@ -617,7 +617,7 @@ int shmob_drm_connector_create(struct shmob_drm_device *sdev, drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); drm_object_property_set_value(&connector->base, - sdev->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF); + sdev->ddev.mode_config.dpms_property, DRM_MODE_DPMS_OFF); return 0; diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index bf3a9c1db177..56e2f407ab53 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -137,7 +137,7 @@ static int shmob_drm_pm_suspend(struct device *dev) { struct shmob_drm_device *sdev = dev_get_drvdata(dev); - drm_kms_helper_poll_disable(sdev->ddev); + drm_kms_helper_poll_disable(&sdev->ddev); shmob_drm_crtc_suspend(&sdev->crtc); return 0; @@ -147,11 +147,11 @@ static int shmob_drm_pm_resume(struct device *dev) { struct shmob_drm_device *sdev = dev_get_drvdata(dev); - drm_modeset_lock_all(sdev->ddev); + drm_modeset_lock_all(&sdev->ddev); shmob_drm_crtc_resume(&sdev->crtc); - drm_modeset_unlock_all(sdev->ddev); + drm_modeset_unlock_all(&sdev->ddev); - drm_kms_helper_poll_enable(sdev->ddev); + drm_kms_helper_poll_enable(&sdev->ddev); return 0; } @@ -192,11 +192,10 @@ static const struct dev_pm_ops shmob_drm_pm_ops = { static void shmob_drm_remove(struct platform_device *pdev) { struct shmob_drm_device *sdev = platform_get_drvdata(pdev); - struct drm_device *ddev = sdev->ddev; + struct drm_device *ddev = &sdev->ddev; drm_dev_unregister(ddev); drm_kms_helper_poll_fini(ddev); - drm_dev_put(ddev); } static int shmob_drm_probe(struct platform_device *pdev) @@ -213,13 +212,15 @@ static int shmob_drm_probe(struct platform_device *pdev) } /* - * Allocate and initialize the driver private data, I/O resources and - * clocks. + * Allocate and initialize the DRM device, driver private data, I/O + * resources and clocks. */ - sdev = devm_kzalloc(&pdev->dev, sizeof(*sdev), GFP_KERNEL); - if (sdev == NULL) - return -ENOMEM; + sdev = devm_drm_dev_alloc(&pdev->dev, &shmob_drm_driver, + struct shmob_drm_device, ddev); + if (IS_ERR(sdev)) + return PTR_ERR(sdev); + ddev = &sdev->ddev; sdev->dev = &pdev->dev; sdev->pdata = pdata; spin_lock_init(&sdev->irq_lock); @@ -242,20 +243,12 @@ static int shmob_drm_probe(struct platform_device *pdev) if (ret < 0) return ret; - /* Allocate and initialize the DRM device. */ - ddev = drm_dev_alloc(&shmob_drm_driver, &pdev->dev); - if (IS_ERR(ddev)) - return PTR_ERR(ddev); - - sdev->ddev = ddev; ddev->dev_private = sdev; ret = shmob_drm_modeset_init(sdev); - if (ret < 0) { - dev_err_probe(&pdev->dev, ret, - "failed to initialize mode setting\n"); - goto err_free_drm_dev; - } + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, + "failed to initialize mode setting\n"); for (i = 0; i < 4; ++i) { ret = shmob_drm_plane_create(sdev, i); @@ -297,9 +290,6 @@ static int shmob_drm_probe(struct platform_device *pdev) err_modeset_cleanup: drm_kms_helper_poll_fini(ddev); -err_free_drm_dev: - drm_dev_put(ddev); - return ret; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h index 16d830168b2a..77bb0da48f37 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h @@ -32,7 +32,7 @@ struct shmob_drm_device { unsigned int irq; spinlock_t irq_lock; /* Protects hardware LDINTR register */ - struct drm_device *ddev; + struct drm_device ddev; struct shmob_drm_crtc crtc; struct drm_encoder encoder; diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 1a62e7f8a8a9..20316907030b 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -153,7 +153,7 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) { int ret; - ret = drmm_mode_config_init(sdev->ddev); + ret = drmm_mode_config_init(&sdev->ddev); if (ret) return ret; @@ -169,15 +169,15 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) if (ret < 0) return ret; - drm_kms_helper_poll_init(sdev->ddev); + drm_kms_helper_poll_init(&sdev->ddev); - sdev->ddev->mode_config.min_width = 0; - sdev->ddev->mode_config.min_height = 0; - sdev->ddev->mode_config.max_width = 4095; - sdev->ddev->mode_config.max_height = 4095; - sdev->ddev->mode_config.funcs = &shmob_drm_mode_config_funcs; + sdev->ddev.mode_config.min_width = 0; + sdev->ddev.mode_config.min_height = 0; + sdev->ddev.mode_config.max_width = 4095; + sdev->ddev.mode_config.max_height = 4095; + sdev->ddev.mode_config.funcs = &shmob_drm_mode_config_funcs; - drm_helper_disable_unused_functions(sdev->ddev); + drm_helper_disable_unused_functions(&sdev->ddev); return 0; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 1fb68b5fe915..17e66a018689 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -68,7 +68,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, splane->format->ldbbsifr; #define plane_reg_dump(sdev, splane, reg) \ - dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \ + dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x 0x%08x\n", __func__, \ splane->index, #reg, \ lcdc_read(sdev, reg(splane->index)), \ lcdc_read(sdev, reg(splane->index) + LCDC_SIDE_B_OFFSET)) @@ -81,7 +81,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, plane_reg_dump(sdev, splane, LDBnBSACR); lcdc_write(sdev, LDBCR, LDBCR_UPC(splane->index)); - dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, + dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, "LDBCR", lcdc_read(sdev, LDBCR)); lcdc_write(sdev, LDBnBSIFR(splane->index), format); @@ -103,7 +103,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, lcdc_write(sdev, LDBCR, LDBCR_UPF(splane->index) | LDBCR_UPD(splane->index)); - dev_dbg(sdev->ddev->dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, + dev_dbg(sdev->ddev.dev, "%s(%u): %s 0x%08x\n", __func__, splane->index, "LDBCR", lcdc_read(sdev, LDBCR)); plane_reg_dump(sdev, splane, LDBnBSIFR); @@ -198,7 +198,7 @@ int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index) { struct shmob_drm_plane *splane; - splane = drmm_universal_plane_alloc(sdev->ddev, struct shmob_drm_plane, + splane = drmm_universal_plane_alloc(&sdev->ddev, struct shmob_drm_plane, plane, 1, &shmob_drm_plane_funcs, formats, ARRAY_SIZE(formats), NULL, DRM_PLANE_TYPE_OVERLAY, NULL); From 02e6c5b76f0eb6d85cebb7603c342809c3c6b14a Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:36 +0200 Subject: [PATCH 21/83] drm: renesas: shmobile: Convert container helpers to static inline functions Replace to conversion helper macros using container_of() by static inline functions, to improve type-safety. Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/7d1f1aa4b832499f9e527353ce0ad6d84ff9a74a.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 11 ++++++++--- drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 5 ++++- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 9c66e00ed70e..207fa98fe76d 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -258,7 +258,10 @@ static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc) lcdc_write(sdev, LDRCNTR, lcdc_read(sdev, LDRCNTR) ^ LDRCNTR_MRS); } -#define to_shmob_crtc(c) container_of(c, struct shmob_drm_crtc, crtc) +static inline struct shmob_drm_crtc *to_shmob_crtc(struct drm_crtc *crtc) +{ + return container_of(crtc, struct shmob_drm_crtc, crtc); +} static void shmob_drm_crtc_dpms(struct drm_crtc *crtc, int mode) { @@ -538,8 +541,10 @@ int shmob_drm_encoder_create(struct shmob_drm_device *sdev) * Connector */ -#define to_shmob_connector(c) \ - container_of(c, struct shmob_drm_connector, connector) +static inline struct shmob_drm_connector *to_shmob_connector(struct drm_connector *connector) +{ + return container_of(connector, struct shmob_drm_connector, connector); +} static int shmob_drm_connector_get_modes(struct drm_connector *connector) { diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 17e66a018689..258288c80756 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -34,7 +34,10 @@ struct shmob_drm_plane { unsigned int crtc_h; }; -#define to_shmob_plane(p) container_of(p, struct shmob_drm_plane, plane) +static inline struct shmob_drm_plane *to_shmob_plane(struct drm_plane *plane) +{ + return container_of(plane, struct shmob_drm_plane, plane); +} static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane, struct drm_framebuffer *fb, From c2e938ee9ae238f62424fc908cef97d96a1fee53 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 15 Sep 2023 10:53:37 +0200 Subject: [PATCH 22/83] drm: renesas: shmobile: Replace .dev_private with container_of() Now that drm_device is embedded in shmob_drm_device, we can use a container_of()-based helper to get the shmob_drm_device pointer from the drm_device, instead of using the deprecated drm_device.dev_private field. While at it, restore reverse Xmas tree ordering of local variable declarations. Reviewed-by: Laurent Pinchart Reviewed-by: Sui Jingfeng Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/8ef4be8bffe75efc7f4b66f3732ec357f7d43e0f.1694767209.git.geert+renesas@glider.be --- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 20 +++++++++---------- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 4 +--- .../gpu/drm/renesas/shmobile/shmob_drm_drv.h | 5 +++++ .../drm/renesas/shmobile/shmob_drm_plane.c | 6 +++--- 4 files changed, 19 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index 207fa98fe76d..f62ae047a48f 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -40,7 +40,7 @@ static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc) { struct drm_crtc *crtc = &scrtc->crtc; - struct shmob_drm_device *sdev = crtc->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); const struct shmob_drm_interface_data *idata = &sdev->pdata->iface; const struct drm_display_mode *mode = &crtc->mode; u32 value; @@ -79,7 +79,7 @@ static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc) static void shmob_drm_crtc_start_stop(struct shmob_drm_crtc *scrtc, bool start) { - struct shmob_drm_device *sdev = scrtc->crtc.dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(scrtc->crtc.dev); u32 value; value = lcdc_read(sdev, LDCNT2R); @@ -113,7 +113,7 @@ static void shmob_drm_crtc_start_stop(struct shmob_drm_crtc *scrtc, bool start) static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) { struct drm_crtc *crtc = &scrtc->crtc; - struct shmob_drm_device *sdev = crtc->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); const struct shmob_drm_interface_data *idata = &sdev->pdata->iface; const struct shmob_drm_format_info *format; struct drm_device *dev = &sdev->ddev; @@ -193,7 +193,7 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc) static void shmob_drm_crtc_stop(struct shmob_drm_crtc *scrtc) { struct drm_crtc *crtc = &scrtc->crtc; - struct shmob_drm_device *sdev = crtc->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); if (!scrtc->started) return; @@ -247,7 +247,7 @@ static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc, static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc) { struct drm_crtc *crtc = &scrtc->crtc; - struct shmob_drm_device *sdev = crtc->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); shmob_drm_crtc_compute_base(scrtc, crtc->x, crtc->y); @@ -289,8 +289,8 @@ static int shmob_drm_crtc_mode_set(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc); - struct shmob_drm_device *sdev = crtc->dev->dev_private; const struct shmob_drm_format_info *format; format = shmob_drm_format_info(crtc->primary->fb->format->format); @@ -395,7 +395,7 @@ static void shmob_drm_crtc_enable_vblank(struct shmob_drm_device *sdev, static int shmob_drm_enable_vblank(struct drm_crtc *crtc) { - struct shmob_drm_device *sdev = crtc->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); shmob_drm_crtc_enable_vblank(sdev, true); @@ -404,7 +404,7 @@ static int shmob_drm_enable_vblank(struct drm_crtc *crtc) static void shmob_drm_disable_vblank(struct drm_crtc *crtc) { - struct shmob_drm_device *sdev = crtc->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev); shmob_drm_crtc_enable_vblank(sdev, false); } @@ -478,7 +478,7 @@ static bool shmob_drm_encoder_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { struct drm_device *dev = encoder->dev; - struct shmob_drm_device *sdev = dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(dev); struct drm_connector *connector = &sdev->connector.connector; const struct drm_display_mode *panel_mode; @@ -548,7 +548,7 @@ static inline struct shmob_drm_connector *to_shmob_connector(struct drm_connecto static int shmob_drm_connector_get_modes(struct drm_connector *connector) { - struct shmob_drm_device *sdev = connector->dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(connector->dev); struct drm_display_mode *mode; mode = drm_mode_create(connector->dev); diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index 56e2f407ab53..7e5977d3e256 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -95,7 +95,7 @@ static int shmob_drm_setup_clocks(struct shmob_drm_device *sdev, static irqreturn_t shmob_drm_irq(int irq, void *arg) { struct drm_device *dev = arg; - struct shmob_drm_device *sdev = dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(dev); unsigned long flags; u32 status; @@ -243,8 +243,6 @@ static int shmob_drm_probe(struct platform_device *pdev) if (ret < 0) return ret; - ddev->dev_private = sdev; - ret = shmob_drm_modeset_init(sdev); if (ret < 0) return dev_err_probe(&pdev->dev, ret, diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h index 77bb0da48f37..5e55ba7a2078 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h @@ -39,4 +39,9 @@ struct shmob_drm_device { struct shmob_drm_connector connector; }; +static inline struct shmob_drm_device *to_shmob_device(struct drm_device *dev) +{ + return container_of(dev, struct shmob_drm_device, ddev); +} + #endif /* __SHMOB_DRM_DRV_H__ */ diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 258288c80756..c58b9dca3473 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -63,7 +63,7 @@ static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane, static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane, struct drm_framebuffer *fb) { - struct shmob_drm_device *sdev = splane->plane.dev->dev_private; + struct shmob_drm_device *sdev = to_shmob_device(splane->plane.dev); u32 format; /* TODO: Support ROP3 mode */ @@ -135,8 +135,8 @@ shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, uint32_t src_w, uint32_t src_h, struct drm_modeset_acquire_ctx *ctx) { + struct shmob_drm_device *sdev = to_shmob_device(plane->dev); struct shmob_drm_plane *splane = to_shmob_plane(plane); - struct shmob_drm_device *sdev = plane->dev->dev_private; const struct shmob_drm_format_info *format; format = shmob_drm_format_info(fb->format->format); @@ -167,8 +167,8 @@ shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, static int shmob_drm_plane_disable(struct drm_plane *plane, struct drm_modeset_acquire_ctx *ctx) { + struct shmob_drm_device *sdev = to_shmob_device(plane->dev); struct shmob_drm_plane *splane = to_shmob_plane(plane); - struct shmob_drm_device *sdev = plane->dev->dev_private; splane->format = NULL; From 6a6ab0c7162b4b10ce74347e282e1bc81103a48f Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 15 Sep 2023 10:53:38 +0200 Subject: [PATCH 23/83] drm: renesas: shmobile: Use struct videomode in platform data Replace the drm_mode_modeinfo field with videomode that includes more signal polarity flags. This simplifies driver handling of panel modes and prepares for DT support. Signed-off-by: Laurent Pinchart [geert: Simplify] Reviewed-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/4312e56de424d94399c6105e7159317eae86c9d5.1694767209.git.geert+renesas@glider.be --- drivers/gpu/drm/renesas/shmobile/Kconfig | 1 + .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 33 ++++++++----------- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.h | 3 ++ include/linux/platform_data/shmob_drm.h | 11 ++----- 4 files changed, 19 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/Kconfig b/drivers/gpu/drm/renesas/shmobile/Kconfig index ba941587ca70..027220b8fe1c 100644 --- a/drivers/gpu/drm/renesas/shmobile/Kconfig +++ b/drivers/gpu/drm/renesas/shmobile/Kconfig @@ -6,6 +6,7 @@ config DRM_SHMOBILE select BACKLIGHT_CLASS_DEVICE select DRM_KMS_HELPER select DRM_GEM_DMA_HELPER + select VIDEOMODE_HELPERS help Choose this option if you have an SH Mobile chipset. If M is selected the module will be called shmob-drm. diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c index f62ae047a48f..b3ef10b7828d 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c @@ -23,6 +23,8 @@ #include #include +#include