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-rw-r--r--drivers/gpu/drm/panel/Kconfig7
-rw-r--r--drivers/gpu/drm/panel/panel-ld9040.c21
-rw-r--r--drivers/gpu/drm/panel/panel-s6e8aa0.c29
-rw-r--r--drivers/gpu/drm/panel/panel-simple.c203
4 files changed, 231 insertions, 29 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 4ec874da5668..bee9f72b3a93 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -5,7 +5,7 @@ config DRM_PANEL
Panel registration and lookup framework.
menu "Display Panels"
- depends on DRM_PANEL
+ depends on DRM && DRM_PANEL
config DRM_PANEL_SIMPLE
tristate "support for simple panels"
@@ -18,14 +18,11 @@ config DRM_PANEL_SIMPLE
config DRM_PANEL_LD9040
tristate "LD9040 RGB/SPI panel"
- depends on DRM && DRM_PANEL
- depends on OF
- select SPI
+ depends on OF && SPI
select VIDEOMODE_HELPERS
config DRM_PANEL_S6E8AA0
tristate "S6E8AA0 DSI video mode panel"
- depends on DRM && DRM_PANEL
depends on OF
select DRM_MIPI_DSI
select VIDEOMODE_HELPERS
diff --git a/drivers/gpu/drm/panel/panel-ld9040.c b/drivers/gpu/drm/panel/panel-ld9040.c
index db1601fdbe29..42ac67b21e9f 100644
--- a/drivers/gpu/drm/panel/panel-ld9040.c
+++ b/drivers/gpu/drm/panel/panel-ld9040.c
@@ -110,7 +110,10 @@ struct ld9040 {
int error;
};
-#define panel_to_ld9040(p) container_of(p, struct ld9040, panel)
+static inline struct ld9040 *panel_to_ld9040(struct drm_panel *panel)
+{
+ return container_of(panel, struct ld9040, panel);
+}
static int ld9040_clear_error(struct ld9040 *ctx)
{
@@ -216,6 +219,11 @@ static int ld9040_power_off(struct ld9040 *ctx)
static int ld9040_disable(struct drm_panel *panel)
{
+ return 0;
+}
+
+static int ld9040_unprepare(struct drm_panel *panel)
+{
struct ld9040 *ctx = panel_to_ld9040(panel);
msleep(120);
@@ -228,7 +236,7 @@ static int ld9040_disable(struct drm_panel *panel)
return ld9040_power_off(ctx);
}
-static int ld9040_enable(struct drm_panel *panel)
+static int ld9040_prepare(struct drm_panel *panel)
{
struct ld9040 *ctx = panel_to_ld9040(panel);
int ret;
@@ -242,11 +250,16 @@ static int ld9040_enable(struct drm_panel *panel)
ret = ld9040_clear_error(ctx);
if (ret < 0)
- ld9040_disable(panel);
+ ld9040_unprepare(panel);
return ret;
}
+static int ld9040_enable(struct drm_panel *panel)
+{
+ return 0;
+}
+
static int ld9040_get_modes(struct drm_panel *panel)
{
struct drm_connector *connector = panel->connector;
@@ -273,6 +286,8 @@ static int ld9040_get_modes(struct drm_panel *panel)
static const struct drm_panel_funcs ld9040_drm_funcs = {
.disable = ld9040_disable,
+ .unprepare = ld9040_unprepare,
+ .prepare = ld9040_prepare,
.enable = ld9040_enable,
.get_modes = ld9040_get_modes,
};
diff --git a/drivers/gpu/drm/panel/panel-s6e8aa0.c b/drivers/gpu/drm/panel/panel-s6e8aa0.c
index 06e57a26db7a..b5217fe37f02 100644
--- a/drivers/gpu/drm/panel/panel-s6e8aa0.c
+++ b/drivers/gpu/drm/panel/panel-s6e8aa0.c
@@ -120,7 +120,10 @@ struct s6e8aa0 {
int error;
};
-#define panel_to_s6e8aa0(p) container_of(p, struct s6e8aa0, panel)
+static inline struct s6e8aa0 *panel_to_s6e8aa0(struct drm_panel *panel)
+{
+ return container_of(panel, struct s6e8aa0, panel);
+}
static int s6e8aa0_clear_error(struct s6e8aa0 *ctx)
{
@@ -133,14 +136,14 @@ static int s6e8aa0_clear_error(struct s6e8aa0 *ctx)
static void s6e8aa0_dcs_write(struct s6e8aa0 *ctx, const void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
+ ssize_t ret;
if (ctx->error < 0)
return;
- ret = mipi_dsi_dcs_write(dsi, dsi->channel, data, len);
+ ret = mipi_dsi_dcs_write(dsi, data, len);
if (ret < 0) {
- dev_err(ctx->dev, "error %d writing dcs seq: %*ph\n", ret, len,
+ dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n", ret, len,
data);
ctx->error = ret;
}
@@ -154,7 +157,7 @@ static int s6e8aa0_dcs_read(struct s6e8aa0 *ctx, u8 cmd, void *data, size_t len)
if (ctx->error < 0)
return ctx->error;
- ret = mipi_dsi_dcs_read(dsi, dsi->channel, cmd, data, len);
+ ret = mipi_dsi_dcs_read(dsi, cmd, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd);
ctx->error = ret;
@@ -889,6 +892,11 @@ static int s6e8aa0_power_off(struct s6e8aa0 *ctx)
static int s6e8aa0_disable(struct drm_panel *panel)
{
+ return 0;
+}
+
+static int s6e8aa0_unprepare(struct drm_panel *panel)
+{
struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel);
s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
@@ -900,7 +908,7 @@ static int s6e8aa0_disable(struct drm_panel *panel)
return s6e8aa0_power_off(ctx);
}
-static int s6e8aa0_enable(struct drm_panel *panel)
+static int s6e8aa0_prepare(struct drm_panel *panel)
{
struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel);
int ret;
@@ -913,11 +921,16 @@ static int s6e8aa0_enable(struct drm_panel *panel)
ret = ctx->error;
if (ret < 0)
- s6e8aa0_disable(panel);
+ s6e8aa0_unprepare(panel);
return ret;
}
+static int s6e8aa0_enable(struct drm_panel *panel)
+{
+ return 0;
+}
+
static int s6e8aa0_get_modes(struct drm_panel *panel)
{
struct drm_connector *connector = panel->connector;
@@ -944,6 +957,8 @@ static int s6e8aa0_get_modes(struct drm_panel *panel)
static const struct drm_panel_funcs s6e8aa0_drm_funcs = {
.disable = s6e8aa0_disable,
+ .unprepare = s6e8aa0_unprepare,
+ .prepare = s6e8aa0_prepare,
.enable = s6e8aa0_enable,
.get_modes = s6e8aa0_get_modes,
};
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index a25136132c31..4ce1db0a68ff 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -37,14 +37,35 @@ struct panel_desc {
const struct drm_display_mode *modes;
unsigned int num_modes;
+ unsigned int bpc;
+
struct {
unsigned int width;
unsigned int height;
} size;
+
+ /**
+ * @prepare: the time (in milliseconds) that it takes for the panel to
+ * become ready and start receiving video data
+ * @enable: the time (in milliseconds) that it takes for the panel to
+ * display the first valid frame after starting to receive
+ * video data
+ * @disable: the time (in milliseconds) that it takes for the panel to
+ * turn the display off (no content is visible)
+ * @unprepare: the time (in milliseconds) that it takes for the panel
+ * to power itself down completely
+ */
+ struct {
+ unsigned int prepare;
+ unsigned int enable;
+ unsigned int disable;
+ unsigned int unprepare;
+ } delay;
};
struct panel_simple {
struct drm_panel base;
+ bool prepared;
bool enabled;
const struct panel_desc *desc;
@@ -87,6 +108,7 @@ static int panel_simple_get_fixed_modes(struct panel_simple *panel)
num++;
}
+ connector->display_info.bpc = panel->desc->bpc;
connector->display_info.width_mm = panel->desc->size.width;
connector->display_info.height_mm = panel->desc->size.height;
@@ -105,21 +127,40 @@ static int panel_simple_disable(struct drm_panel *panel)
backlight_update_status(p->backlight);
}
+ if (p->desc->delay.disable)
+ msleep(p->desc->delay.disable);
+
+ p->enabled = false;
+
+ return 0;
+}
+
+static int panel_simple_unprepare(struct drm_panel *panel)
+{
+ struct panel_simple *p = to_panel_simple(panel);
+
+ if (!p->prepared)
+ return 0;
+
if (p->enable_gpio)
gpiod_set_value_cansleep(p->enable_gpio, 0);
regulator_disable(p->supply);
- p->enabled = false;
+
+ if (p->desc->delay.unprepare)
+ msleep(p->desc->delay.unprepare);
+
+ p->prepared = false;
return 0;
}
-static int panel_simple_enable(struct drm_panel *panel)
+static int panel_simple_prepare(struct drm_panel *panel)
{
struct panel_simple *p = to_panel_simple(panel);
int err;
- if (p->enabled)
+ if (p->prepared)
return 0;
err = regulator_enable(p->supply);
@@ -131,6 +172,24 @@ static int panel_simple_enable(struct drm_panel *panel)
if (p->enable_gpio)
gpiod_set_value_cansleep(p->enable_gpio, 1);
+ if (p->desc->delay.prepare)
+ msleep(p->desc->delay.prepare);
+
+ p->prepared = true;
+
+ return 0;
+}
+
+static int panel_simple_enable(struct drm_panel *panel)
+{
+ struct panel_simple *p = to_panel_simple(panel);
+
+ if (p->enabled)
+ return 0;
+
+ if (p->desc->delay.enable)
+ msleep(p->desc->delay.enable);
+
if (p->backlight) {
p->backlight->props.power = FB_BLANK_UNBLANK;
backlight_update_status(p->backlight);
@@ -164,6 +223,8 @@ static int panel_simple_get_modes(struct drm_panel *panel)
static const struct drm_panel_funcs panel_simple_funcs = {
.disable = panel_simple_disable,
+ .unprepare = panel_simple_unprepare,
+ .prepare = panel_simple_prepare,
.enable = panel_simple_enable,
.get_modes = panel_simple_get_modes,
};
@@ -179,22 +240,21 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
return -ENOMEM;
panel->enabled = false;
+ panel->prepared = false;
panel->desc = desc;
panel->supply = devm_regulator_get(dev, "power");
if (IS_ERR(panel->supply))
return PTR_ERR(panel->supply);
- panel->enable_gpio = devm_gpiod_get(dev, "enable");
+ panel->enable_gpio = devm_gpiod_get_optional(dev, "enable");
if (IS_ERR(panel->enable_gpio)) {
err = PTR_ERR(panel->enable_gpio);
- if (err != -ENOENT) {
- dev_err(dev, "failed to request GPIO: %d\n", err);
- return err;
- }
+ dev_err(dev, "failed to request GPIO: %d\n", err);
+ return err;
+ }
- panel->enable_gpio = NULL;
- } else {
+ if (panel->enable_gpio) {
err = gpiod_direction_output(panel->enable_gpio, 0);
if (err < 0) {
dev_err(dev, "failed to setup GPIO: %d\n", err);
@@ -285,6 +345,7 @@ static const struct drm_display_mode auo_b101aw03_mode = {
static const struct panel_desc auo_b101aw03 = {
.modes = &auo_b101aw03_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 223,
.height = 125,
@@ -307,12 +368,40 @@ static const struct drm_display_mode auo_b133xtn01_mode = {
static const struct panel_desc auo_b133xtn01 = {
.modes = &auo_b133xtn01_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 293,
.height = 165,
},
};
+static const struct drm_display_mode auo_b133htn01_mode = {
+ .clock = 150660,
+ .hdisplay = 1920,
+ .hsync_start = 1920 + 172,
+ .hsync_end = 1920 + 172 + 80,
+ .htotal = 1920 + 172 + 80 + 60,
+ .vdisplay = 1080,
+ .vsync_start = 1080 + 25,
+ .vsync_end = 1080 + 25 + 10,
+ .vtotal = 1080 + 25 + 10 + 10,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc auo_b133htn01 = {
+ .modes = &auo_b133htn01_mode,
+ .num_modes = 1,
+ .size = {
+ .width = 293,
+ .height = 165,
+ },
+ .delay = {
+ .prepare = 105,
+ .enable = 20,
+ .unprepare = 50,
+ },
+};
+
static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
.clock = 72070,
.hdisplay = 1366,
@@ -329,6 +418,7 @@ static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
static const struct panel_desc chunghwa_claa101wa01a = {
.modes = &chunghwa_claa101wa01a_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 220,
.height = 120,
@@ -351,6 +441,7 @@ static const struct drm_display_mode chunghwa_claa101wb01_mode = {
static const struct panel_desc chunghwa_claa101wb01 = {
.modes = &chunghwa_claa101wb01_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 223,
.height = 125,
@@ -374,6 +465,7 @@ static const struct drm_display_mode edt_et057090dhu_mode = {
static const struct panel_desc edt_et057090dhu = {
.modes = &edt_et057090dhu_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 115,
.height = 86,
@@ -397,12 +489,82 @@ static const struct drm_display_mode edt_etm0700g0dh6_mode = {
static const struct panel_desc edt_etm0700g0dh6 = {
.modes = &edt_etm0700g0dh6_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 152,
.height = 91,
},
};
+static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = {
+ .clock = 32260,
+ .hdisplay = 800,
+ .hsync_start = 800 + 168,
+ .hsync_end = 800 + 168 + 64,
+ .htotal = 800 + 168 + 64 + 88,
+ .vdisplay = 480,
+ .vsync_start = 480 + 37,
+ .vsync_end = 480 + 37 + 2,
+ .vtotal = 480 + 37 + 2 + 8,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc foxlink_fl500wvr00_a0t = {
+ .modes = &foxlink_fl500wvr00_a0t_mode,
+ .num_modes = 1,
+ .size = {
+ .width = 108,
+ .height = 65,
+ },
+};
+
+static const struct drm_display_mode innolux_n116bge_mode = {
+ .clock = 71000,
+ .hdisplay = 1366,
+ .hsync_start = 1366 + 64,
+ .hsync_end = 1366 + 64 + 6,
+ .htotal = 1366 + 64 + 6 + 64,
+ .vdisplay = 768,
+ .vsync_start = 768 + 8,
+ .vsync_end = 768 + 8 + 4,
+ .vtotal = 768 + 8 + 4 + 8,
+ .vrefresh = 60,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc innolux_n116bge = {
+ .modes = &innolux_n116bge_mode,
+ .num_modes = 1,
+ .bpc = 6,
+ .size = {
+ .width = 256,
+ .height = 144,
+ },
+};
+
+static const struct drm_display_mode innolux_n156bge_l21_mode = {
+ .clock = 69300,
+ .hdisplay = 1366,
+ .hsync_start = 1366 + 16,
+ .hsync_end = 1366 + 16 + 34,
+ .htotal = 1366 + 16 + 34 + 50,
+ .vdisplay = 768,
+ .vsync_start = 768 + 2,
+ .vsync_end = 768 + 2 + 6,
+ .vtotal = 768 + 2 + 6 + 12,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc innolux_n156bge_l21 = {
+ .modes = &innolux_n156bge_l21_mode,
+ .num_modes = 1,
+ .bpc = 6,
+ .size = {
+ .width = 344,
+ .height = 193,
+ },
+};
+
static const struct drm_display_mode lg_lp129qe_mode = {
.clock = 285250,
.hdisplay = 2560,
@@ -419,6 +581,7 @@ static const struct drm_display_mode lg_lp129qe_mode = {
static const struct panel_desc lg_lp129qe = {
.modes = &lg_lp129qe_mode,
.num_modes = 1,
+ .bpc = 8,
.size = {
.width = 272,
.height = 181,
@@ -441,6 +604,7 @@ static const struct drm_display_mode samsung_ltn101nt05_mode = {
static const struct panel_desc samsung_ltn101nt05 = {
.modes = &samsung_ltn101nt05_mode,
.num_modes = 1,
+ .bpc = 6,
.size = {
.width = 1024,
.height = 600,
@@ -452,6 +616,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "auo,b101aw03",
.data = &auo_b101aw03,
}, {
+ .compatible = "auo,b133htn01",
+ .data = &auo_b133htn01,
+ }, {
.compatible = "auo,b133xtn01",
.data = &auo_b133xtn01,
}, {
@@ -470,14 +637,21 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "edt,etm0700g0dh6",
.data = &edt_etm0700g0dh6,
}, {
+ .compatible = "foxlink,fl500wvr00-a0t",
+ .data = &foxlink_fl500wvr00_a0t,
+ }, {
+ .compatible = "innolux,n116bge",
+ .data = &innolux_n116bge,
+ }, {
+ .compatible = "innolux,n156bge-l21",
+ .data = &innolux_n156bge_l21,
+ }, {
.compatible = "lg,lp129qe",
.data = &lg_lp129qe,
}, {
.compatible = "samsung,ltn101nt05",
.data = &samsung_ltn101nt05,
}, {
- .compatible = "simple-panel",
- }, {
/* sentinel */
}
};
@@ -545,7 +719,7 @@ static const struct panel_desc_dsi lg_ld070wx3_sl01 = {
.height = 151,
},
},
- .flags = MIPI_DSI_MODE_VIDEO,
+ .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
.format = MIPI_DSI_FMT_RGB888,
.lanes = 4,
};
@@ -599,7 +773,8 @@ static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
.height = 136,
},
},
- .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
+ .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS,
.format = MIPI_DSI_FMT_RGB888,
.lanes = 4,
};
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-14 15:08:03 +0300