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drm/mgag200: Add VGA-BMC output

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Duplicate VGA output to VGA-BMC output and update all code for Matrox
server chips. The new output represents a VGA output that has a BMC
attached to it. No functional changes so far.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240805130622.63458-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2024-08-05 15:05:57 +02:00
parent 17419a5c8c
commit f551072660
10 changed files with 83 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/mgag200/Makefile
View File

@ -12,6 +12,7 @@ mgag200-y := \
mgag200_g200se.o \
mgag200_g200wb.o \
mgag200_mode.o \
mgag200_vga_bmc.o \
mgag200_vga.o
obj-$(CONFIG_DRM_MGAG200) += mgag200.o

3
drivers/gpu/drm/mgag200/mgag200_drv.h
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@ -437,6 +437,9 @@ void mgag200_enable_display(struct mga_device *mdev);
void mgag200_init_registers(struct mga_device *mdev);
int mgag200_mode_config_init(struct mga_device *mdev, resource_size_t vram_available);
/* mgag200_vga_bmc.c */
int mgag200_vga_bmc_output_init(struct mga_device *mdev);
/* mgag200_vga.c */
int mgag200_vga_output_init(struct mga_device *mdev);

2
drivers/gpu/drm/mgag200/mgag200_g200eh.c
View File

@ -215,7 +215,7 @@ static int mgag200_g200eh_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_g200eh3.c
View File

@ -119,7 +119,7 @@ static int mgag200_g200eh3_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_g200er.c
View File

@ -258,7 +258,7 @@ static int mgag200_g200er_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_g200ev.c
View File

@ -259,7 +259,7 @@ static int mgag200_g200ev_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_g200ew3.c
View File

@ -128,7 +128,7 @@ static int mgag200_g200ew3_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_g200se.c
View File

@ -390,7 +390,7 @@ static int mgag200_g200se_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_g200wb.c
View File

@ -262,7 +262,7 @@ static int mgag200_g200wb_pipeline_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
ret = mgag200_vga_output_init(mdev);
ret = mgag200_vga_bmc_output_init(mdev);
if (ret)
return ret;

72
drivers/gpu/drm/mgag200/mgag200_vga_bmc.c Normal file
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@ -0,0 +1,72 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <drm/drm_atomic_helper.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
#include "mgag200_ddc.h"
#include "mgag200_drv.h"
static const struct drm_encoder_funcs mgag200_dac_encoder_funcs = {
.destroy = drm_encoder_cleanup
};
static const struct drm_connector_helper_funcs mgag200_vga_connector_helper_funcs = {
.get_modes = drm_connector_helper_get_modes,
.detect_ctx = drm_connector_helper_detect_from_ddc
};
static const struct drm_connector_funcs mgag200_vga_connector_funcs = {
.reset = drm_atomic_helper_connector_reset,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = drm_connector_cleanup,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state
};
int mgag200_vga_bmc_output_init(struct mga_device *mdev)
{
struct drm_device *dev = &mdev->base;
struct drm_crtc *crtc = &mdev->crtc;
struct drm_encoder *encoder;
struct drm_connector *connector;
struct i2c_adapter *ddc;
int ret;
encoder = &mdev->output.vga.encoder;
ret = drm_encoder_init(dev, encoder, &mgag200_dac_encoder_funcs,
DRM_MODE_ENCODER_DAC, NULL);
if (ret) {
drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
return ret;
}
encoder->possible_crtcs = drm_crtc_mask(crtc);
ddc = mgag200_ddc_create(mdev);
if (IS_ERR(ddc)) {
ret = PTR_ERR(ddc);
drm_err(dev, "failed to add DDC bus: %d\n", ret);
return ret;
}
connector = &mdev->output.vga.connector;
ret = drm_connector_init_with_ddc(dev, connector,
&mgag200_vga_connector_funcs,
DRM_MODE_CONNECTOR_VGA, ddc);
if (ret) {
drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
return ret;
}
drm_connector_helper_add(connector, &mgag200_vga_connector_helper_funcs);
connector->polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
ret = drm_connector_attach_encoder(connector, encoder);
if (ret) {
drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", ret);
return ret;
}
return 0;
}