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drm/panel: nt39016: Add support for multiple modes

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Add support for multiple drm_display_mode entries. This will allow to
add a 50 Hz mode later.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408095830.8131-1-paul@crapouillou.net
Acked-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Paul Cercueil 2020-04-08 11:58:29 +02:00
parent 465b1e058a
commit fa361758b1
No known key found for this signature in database
GPG Key ID: 73EE6BD2274ABD41
1 changed files with 23 additions and 10 deletions

33
drivers/gpu/drm/panel/panel-novatek-nt39016.c

@ -49,7 +49,8 @@ enum nt39016_regs {
#define NT39016_SYSTEM_STANDBY BIT(1)
struct nt39016_panel_info {
struct drm_display_mode display_mode;
const struct drm_display_mode *display_modes;
unsigned int num_modes;
u16 width_mm, height_mm;
u32 bus_format, bus_flags;
};
@ -212,15 +213,22 @@ static int nt39016_get_modes(struct drm_panel *drm_panel,
struct nt39016 *panel = to_nt39016(drm_panel);
const struct nt39016_panel_info *panel_info = panel->panel_info;
struct drm_display_mode *mode;
unsigned int i;
mode = drm_mode_duplicate(connector->dev, &panel_info->display_mode);
if (!mode)
return -ENOMEM;
for (i = 0; i < panel_info->num_modes; i++) {
mode = drm_mode_duplicate(connector->dev,
&panel_info->display_modes[i]);
if (!mode)
return -ENOMEM;
drm_mode_set_name(mode);
drm_mode_set_name(mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
mode->type = DRM_MODE_TYPE_DRIVER;
if (panel_info->num_modes == 1)
mode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
}
connector->display_info.bpc = 8;
connector->display_info.width_mm = panel_info->width_mm;
@ -230,7 +238,7 @@ static int nt39016_get_modes(struct drm_panel *drm_panel,
&panel_info->bus_format, 1);
connector->display_info.bus_flags = panel_info->bus_flags;
return 1;
return panel_info->num_modes;
}
static const struct drm_panel_funcs nt39016_funcs = {
@ -316,8 +324,8 @@ static int nt39016_remove(struct spi_device *spi)
return 0;
}
static const struct nt39016_panel_info kd035g6_info = {
.display_mode = {
static const struct drm_display_mode kd035g6_display_modes[] = {
{
.clock = 6000,
.hdisplay = 320,
.hsync_start = 320 + 10,
@ -330,6 +338,11 @@ static const struct nt39016_panel_info kd035g6_info = {
.vrefresh = 60,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
},
};
static const struct nt39016_panel_info kd035g6_info = {
.display_modes = kd035g6_display_modes,
.num_modes = ARRAY_SIZE(kd035g6_display_modes),
.width_mm = 71,
.height_mm = 53,
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,