diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0713-drm-vc4-Query-firmware-for-custom-HDMI-mode.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0713-drm-vc4-Query-firmware-for-custom-HDMI-mode.patch | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0713-drm-vc4-Query-firmware-for-custom-HDMI-mode.patch b/target/linux/brcm2708/patches-4.19/950-0713-drm-vc4-Query-firmware-for-custom-HDMI-mode.patch deleted file mode 100644 index c1e04c06ed..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0713-drm-vc4-Query-firmware-for-custom-HDMI-mode.patch +++ /dev/null @@ -1,194 +0,0 @@ -From 9288f45112f6381ef5697d451b7f44b306e61f8e Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Wed, 3 Jul 2019 17:44:53 +0100 -Subject: [PATCH 713/725] drm/vc4: Query firmware for custom HDMI mode - -Allow custom HDMI modes to be specified from config.txt, -and these then override EDID parsing. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/gpu/drm/vc4/vc4_firmware_kms.c | 142 ++++++++++++++----------- - 1 file changed, 81 insertions(+), 61 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c -+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c -@@ -1035,6 +1035,58 @@ vc4_fkms_connector_detect(struct drm_con - return connector_status_connected; - } - -+/* Queries the firmware to populate a drm_mode structure for this display */ -+static int vc4_fkms_get_fw_mode(struct vc4_fkms_connector *fkms_connector, -+ struct drm_display_mode *mode) -+{ -+ struct vc4_dev *vc4 = fkms_connector->vc4_dev; -+ struct set_timings timings = { 0 }; -+ int ret; -+ -+ timings.display = fkms_connector->display_number; -+ -+ ret = rpi_firmware_property(vc4->firmware, -+ RPI_FIRMWARE_GET_DISPLAY_TIMING, &timings, -+ sizeof(timings)); -+ if (ret || !timings.clock) -+ /* No mode returned - abort */ -+ return -1; -+ -+ /* Equivalent to DRM_MODE macro. */ -+ memset(mode, 0, sizeof(*mode)); -+ strncpy(mode->name, "FIXED_MODE", sizeof(mode->name)); -+ mode->status = 0; -+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; -+ mode->clock = timings.clock; -+ mode->hdisplay = timings.hdisplay; -+ mode->hsync_start = timings.hsync_start; -+ mode->hsync_end = timings.hsync_end; -+ mode->htotal = timings.htotal; -+ mode->hskew = 0; -+ mode->vdisplay = timings.vdisplay; -+ mode->vsync_start = timings.vsync_start; -+ mode->vsync_end = timings.vsync_end; -+ mode->vtotal = timings.vtotal; -+ mode->vscan = timings.vscan; -+ -+ if (timings.flags & TIMINGS_FLAGS_H_SYNC_POS) -+ mode->flags |= DRM_MODE_FLAG_PHSYNC; -+ else -+ mode->flags |= DRM_MODE_FLAG_NHSYNC; -+ -+ if (timings.flags & TIMINGS_FLAGS_V_SYNC_POS) -+ mode->flags |= DRM_MODE_FLAG_PVSYNC; -+ else -+ mode->flags |= DRM_MODE_FLAG_NVSYNC; -+ -+ if (timings.flags & TIMINGS_FLAGS_INTERLACE) -+ mode->flags |= DRM_MODE_FLAG_INTERLACE; -+ -+ mode->base.type = DRM_MODE_OBJECT_MODE; -+ -+ return 0; -+} -+ - static int vc4_fkms_get_edid_block(void *data, u8 *buf, unsigned int block, - size_t len) - { -@@ -1063,30 +1115,40 @@ static int vc4_fkms_connector_get_modes( - to_vc4_fkms_connector(connector); - struct drm_encoder *encoder = fkms_connector->encoder; - struct vc4_fkms_encoder *vc4_encoder = to_vc4_fkms_encoder(encoder); -- int ret = 0; -+ struct drm_display_mode fw_mode; -+ struct drm_display_mode *mode; - struct edid *edid; -+ int num_modes; - -- edid = drm_do_get_edid(connector, vc4_fkms_get_edid_block, -- fkms_connector); -+ if (!vc4_fkms_get_fw_mode(fkms_connector, &fw_mode)) { -+ drm_mode_debug_printmodeline(&fw_mode); -+ mode = drm_mode_duplicate(connector->dev, -+ &fw_mode); -+ drm_mode_probed_add(connector, mode); -+ num_modes = 1; /* 1 mode */ -+ } else { -+ edid = drm_do_get_edid(connector, vc4_fkms_get_edid_block, -+ fkms_connector); - -- /* FIXME: Can we do CEC? -- * cec_s_phys_addr_from_edid(vc4->hdmi->cec_adap, edid); -- * if (!edid) -- * return -ENODEV; -- */ -- -- vc4_encoder->hdmi_monitor = drm_detect_hdmi_monitor(edid); -- -- if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) { -- vc4_encoder->rgb_range_selectable = -- drm_rgb_quant_range_selectable(edid); -+ /* FIXME: Can we do CEC? -+ * cec_s_phys_addr_from_edid(vc4->hdmi->cec_adap, edid); -+ * if (!edid) -+ * return -ENODEV; -+ */ -+ -+ vc4_encoder->hdmi_monitor = drm_detect_hdmi_monitor(edid); -+ -+ if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) { -+ vc4_encoder->rgb_range_selectable = -+ drm_rgb_quant_range_selectable(edid); -+ } -+ -+ drm_connector_update_edid_property(connector, edid); -+ num_modes = drm_add_edid_modes(connector, edid); -+ kfree(edid); - } - -- drm_connector_update_edid_property(connector, edid); -- ret = drm_add_edid_modes(connector, edid); -- kfree(edid); -- -- return ret; -+ return num_modes; - } - - /* This is the DSI panel resolution. Use this as a default should the firmware -@@ -1104,57 +1166,15 @@ static int vc4_fkms_lcd_connector_get_mo - { - struct vc4_fkms_connector *fkms_connector = - to_vc4_fkms_connector(connector); -- struct vc4_dev *vc4 = fkms_connector->vc4_dev; - struct drm_display_mode *mode; -- struct mailbox_set_mode mb = { -- .tag1 = { RPI_FIRMWARE_GET_DISPLAY_TIMING, -- sizeof(struct set_timings), 0}, -- .timings = { .display = fkms_connector->display_number }, -- }; - struct drm_display_mode fw_mode; -- int ret = 0; -- -- ret = rpi_firmware_property_list(vc4->firmware, &mb, sizeof(mb)); -- if (!ret) { -- /* Equivalent to DRM_MODE macro. */ -- memset(&fw_mode, 0, sizeof(fw_mode)); -- strncpy(fw_mode.name, "LCD_MODE", sizeof(fw_mode.name)); -- fw_mode.status = 0; -- fw_mode.type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; -- fw_mode.clock = mb.timings.clock; -- fw_mode.hdisplay = mb.timings.hdisplay; -- fw_mode.hsync_start = mb.timings.hsync_start; -- fw_mode.hsync_end = mb.timings.hsync_end; -- fw_mode.htotal = mb.timings.htotal; -- fw_mode.hskew = 0; -- fw_mode.vdisplay = mb.timings.vdisplay; -- fw_mode.vsync_start = mb.timings.vsync_start; -- fw_mode.vsync_end = mb.timings.vsync_end; -- fw_mode.vtotal = mb.timings.vtotal; -- fw_mode.vscan = mb.timings.vscan; -- if (mb.timings.flags & TIMINGS_FLAGS_H_SYNC_POS) -- fw_mode.flags |= DRM_MODE_FLAG_PHSYNC; -- else -- fw_mode.flags |= DRM_MODE_FLAG_NHSYNC; -- if (mb.timings.flags & TIMINGS_FLAGS_V_SYNC_POS) -- fw_mode.flags |= DRM_MODE_FLAG_PVSYNC; -- else -- fw_mode.flags |= DRM_MODE_FLAG_NVSYNC; -- if (mb.timings.flags & TIMINGS_FLAGS_V_SYNC_POS) -- fw_mode.flags |= DRM_MODE_FLAG_PVSYNC; -- else -- fw_mode.flags |= DRM_MODE_FLAG_NVSYNC; -- if (mb.timings.flags & TIMINGS_FLAGS_INTERLACE) -- fw_mode.flags |= DRM_MODE_FLAG_INTERLACE; -- -- fw_mode.base.type = DRM_MODE_OBJECT_MODE; - -+ if (!vc4_fkms_get_fw_mode(fkms_connector, &fw_mode) && fw_mode.clock) - mode = drm_mode_duplicate(connector->dev, - &fw_mode); -- } else { -+ else - mode = drm_mode_duplicate(connector->dev, - &lcd_mode); -- } - - if (!mode) { - DRM_ERROR("Failed to create a new display mode\n"); |