diff options
| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-16 23:40:32 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-17 15:11:22 +0200 |
| commit | 20ea6adbf199097c4f5f591ffee088340630dae4 (patch) | |
| tree | d6719d95e136611a1c25bbf7789652d6d402779d /target/linux/bcm27xx/patches-5.15/950-0596-drm-vc4-dpi-Add-option-for-inverting-pixel-clock-and.patch | |
| parent | bca05bd072180dc38ef740b37ded9572a6db1981 (diff) | |
| download | upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.gz upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.bz2 upstream-20ea6adbf199097c4f5f591ffee088340630dae4.zip | |
bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0596-drm-vc4-dpi-Add-option-for-inverting-pixel-clock-and.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0596-drm-vc4-dpi-Add-option-for-inverting-pixel-clock-and.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0596-drm-vc4-dpi-Add-option-for-inverting-pixel-clock-and.patch b/target/linux/bcm27xx/patches-5.15/950-0596-drm-vc4-dpi-Add-option-for-inverting-pixel-clock-and.patch new file mode 100644 index 0000000000..feea66713a --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0596-drm-vc4-dpi-Add-option-for-inverting-pixel-clock-and.patch @@ -0,0 +1,114 @@ +From e664a91ea54b3488d6c08dd82dac2af1239c3275 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 2 Dec 2021 18:21:46 +0000 +Subject: [PATCH] drm/vc4: dpi: Add option for inverting pixel clock + and output enable + +DRM provides flags for inverting pixel clock and output enable +signals, but these were not mapped to the relevant registers. + +Add those mappings. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/vc4/vc4_dpi.c | 89 ++++++++++++++++++++--------------- + 1 file changed, 51 insertions(+), 38 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_dpi.c ++++ b/drivers/gpu/drm/vc4/vc4_dpi.c +@@ -148,45 +148,58 @@ static void vc4_dpi_encoder_enable(struc + } + drm_connector_list_iter_end(&conn_iter); + +- if (connector && connector->display_info.num_bus_formats) { +- u32 bus_format = connector->display_info.bus_formats[0]; ++ if (connector) { ++ if (connector->display_info.num_bus_formats) { ++ u32 bus_format = connector->display_info.bus_formats[0]; + +- switch (bus_format) { +- case MEDIA_BUS_FMT_RGB888_1X24: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB, +- DPI_FORMAT); +- break; +- case MEDIA_BUS_FMT_BGR888_1X24: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB, +- DPI_FORMAT); +- dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER); +- break; +- case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2, +- DPI_FORMAT); +- break; +- case MEDIA_BUS_FMT_BGR666_1X24_CPADHI: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2, +- DPI_FORMAT); +- dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER); +- break; +- case MEDIA_BUS_FMT_RGB666_1X18: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, +- DPI_FORMAT); +- break; +- case MEDIA_BUS_FMT_BGR666_1X18: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, +- DPI_FORMAT); +- dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER); +- break; +- case MEDIA_BUS_FMT_RGB565_1X16: +- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3, +- DPI_FORMAT); +- break; +- default: +- DRM_ERROR("Unknown media bus format %d\n", bus_format); +- break; ++ switch (bus_format) { ++ case MEDIA_BUS_FMT_RGB888_1X24: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB, ++ DPI_FORMAT); ++ break; ++ case MEDIA_BUS_FMT_BGR888_1X24: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB, ++ DPI_FORMAT); ++ dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, ++ DPI_ORDER); ++ break; ++ case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2, ++ DPI_FORMAT); ++ break; ++ case MEDIA_BUS_FMT_BGR666_1X24_CPADHI: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2, ++ DPI_FORMAT); ++ dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, ++ DPI_ORDER); ++ break; ++ case MEDIA_BUS_FMT_RGB666_1X18: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, ++ DPI_FORMAT); ++ break; ++ case MEDIA_BUS_FMT_BGR666_1X18: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, ++ DPI_FORMAT); ++ dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, ++ DPI_ORDER); ++ break; ++ case MEDIA_BUS_FMT_RGB565_1X16: ++ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3, ++ DPI_FORMAT); ++ break; ++ default: ++ DRM_ERROR("Unknown media bus format %d\n", ++ bus_format); ++ break; ++ } + } ++ ++ if (connector->display_info.bus_flags & ++ DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) ++ dpi_c |= DPI_PIXEL_CLK_INVERT; ++ ++ if (connector->display_info.bus_flags & DRM_BUS_FLAG_DE_LOW) ++ dpi_c |= DPI_OUTPUT_ENABLE_INVERT; + } else { + /* Default to 18bit if no connector found. */ + dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1, DPI_FORMAT); |