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drm/imx: parallel-display: switch to drm_panel_bridge

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Defer panel handling to drm_panel_bridge, unifying codepaths for the
panel and bridge cases.

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Chris Healy <cphealy@gmail.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # on imx6q-nitrogen6x
Link: https://patchwork.freedesktop.org/patch/msgid/20240602-drm-imx-cleanup-v3-8-e549e2a43100@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Dmitry Baryshkov
2024-06-02 15:04:48 +03:00
parent 5c5843b20b
commit 5f6e56d331
2 changed files with 10 additions and 29 deletions
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3
drivers/gpu/drm/imx/ipuv3/Kconfig
View File

@@ -11,8 +11,9 @@ config DRM_IMX
config DRM_IMX_PARALLEL_DISPLAY
tristate "Support for parallel displays"
select DRM_PANEL
depends on DRM_IMX
select DRM_BRIDGE
select DRM_PANEL_BRIDGE
select VIDEOMODE_HELPERS
config DRM_IMX_TVE

36
drivers/gpu/drm/imx/ipuv3/parallel-display.c
View File

@@ -18,7 +18,6 @@
#include <drm/drm_bridge.h>
#include <drm/drm_managed.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
@@ -36,7 +35,6 @@ struct imx_parallel_display {
u32 bus_format;
u32 bus_flags;
struct drm_display_mode mode;
struct drm_panel *panel;
struct drm_bridge *next_bridge;
};
@@ -56,10 +54,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
struct device_node *np = imxpd->dev->of_node;
int num_modes;
num_modes = drm_panel_get_modes(imxpd->panel, connector);
if (num_modes > 0)
return num_modes;
if (np) {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
int ret;
@@ -84,22 +78,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
return num_modes;
}
static void imx_pd_bridge_enable(struct drm_bridge *bridge)
{
struct imx_parallel_display *imxpd = bridge_to_imxpd(bridge);
drm_panel_prepare(imxpd->panel);
drm_panel_enable(imxpd->panel);
}
static void imx_pd_bridge_disable(struct drm_bridge *bridge)
{
struct imx_parallel_display *imxpd = bridge_to_imxpd(bridge);
drm_panel_disable(imxpd->panel);
drm_panel_unprepare(imxpd->panel);
}
static const u32 imx_pd_bus_fmts[] = {
MEDIA_BUS_FMT_RGB888_1X24,
MEDIA_BUS_FMT_BGR888_1X24,
@@ -237,8 +215,6 @@ static const struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
};
static const struct drm_bridge_funcs imx_pd_bridge_funcs = {
.enable = imx_pd_bridge_enable,
.disable = imx_pd_bridge_disable,
.atomic_reset = drm_atomic_helper_bridge_reset,
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
@@ -315,10 +291,14 @@ static int imx_pd_probe(struct platform_device *pdev)
return -ENOMEM;
/* port@1 is the output port */
ret = drm_of_find_panel_or_bridge(np, 1, 0, &imxpd->panel,
&imxpd->next_bridge);
if (ret && ret != -ENODEV)
return ret;
imxpd->next_bridge = devm_drm_of_get_bridge(dev, np, 1, 0);
if (IS_ERR(imxpd->next_bridge)) {
ret = PTR_ERR(imxpd->next_bridge);
if (ret != -ENODEV)
return ret;
imxpd->next_bridge = NULL;
}
ret = of_property_read_string(np, "interface-pix-fmt", &fmt);
if (!ret) {