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drm/omap: Call dispc timings check operation directly

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Instead of call the dispc timings check function dispc_mgr_timings_ok()
from the internal encoders .check_timings() operation, expose it through
the dispc ops (after renaming it to check_timings) and call it directly
from omapdrm. This allows removal of now empty omap_dss_device
.check_timings() operations.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart 2018-06-05 01:57:09 +03:00 committed by Tomi Valkeinen
parent 3fbda31e81
commit 7c27fa57ef
9 changed files with 32 additions and 50 deletions
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16
drivers/gpu/drm/omapdrm/dss/dispc.c
View File

@ -3113,28 +3113,29 @@ static bool _dispc_mgr_pclk_ok(struct dispc_device *dispc,
return pclk <= dispc->feat->max_tv_pclk;
}
bool dispc_mgr_timings_ok(struct dispc_device *dispc, enum omap_channel channel,
static int dispc_mgr_check_timings(struct dispc_device *dispc,
enum omap_channel channel,
const struct videomode *vm)
{
if (!_dispc_mgr_size_ok(dispc, vm->hactive, vm->vactive))
return false;
return MODE_BAD;
if (!_dispc_mgr_pclk_ok(dispc, channel, vm->pixelclock))
return false;
return MODE_BAD;
if (dss_mgr_is_lcd(channel)) {
/* TODO: OMAP4+ supports interlace for LCD outputs */
if (vm->flags & DISPLAY_FLAGS_INTERLACED)
return false;
return MODE_BAD;
if (!_dispc_lcd_timings_ok(dispc, vm->hsync_len,
vm->hfront_porch, vm->hback_porch,
vm->vsync_len, vm->vfront_porch,
vm->vback_porch))
return false;
return MODE_BAD;
}
return true;
return MODE_OK;
}
static void _dispc_mgr_set_lcd_timings(struct dispc_device *dispc,
@ -3236,7 +3237,7 @@ static void dispc_mgr_set_timings(struct dispc_device *dispc,
DSSDBG("channel %d xres %u yres %u\n", channel, t.hactive, t.vactive);
if (!dispc_mgr_timings_ok(dispc, channel, &t)) {
if (dispc_mgr_check_timings(dispc, channel, &t)) {
BUG();
return;
}
@ -4733,6 +4734,7 @@ static const struct dispc_ops dispc_ops = {
.mgr_go_busy = dispc_mgr_go_busy,
.mgr_go = dispc_mgr_go,
.mgr_set_lcd_config = dispc_mgr_set_lcd_config,
.mgr_check_timings = dispc_mgr_check_timings,
.mgr_set_timings = dispc_mgr_set_timings,
.mgr_setup = dispc_mgr_setup,
.mgr_gamma_size = dispc_mgr_gamma_size,

4
drivers/gpu/drm/omapdrm/dss/dpi.c
View File

@ -496,7 +496,6 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
struct videomode *vm)
{
struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
enum omap_channel channel = dpi->output.dispc_channel;
int lck_div, pck_div;
unsigned long fck;
unsigned long pck;
@ -506,9 +505,6 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
if (vm->hactive % 8 != 0)
return -EINVAL;
if (!dispc_mgr_timings_ok(dpi->dss->dispc, channel, vm))
return -EINVAL;
if (vm->pixelclock == 0)
return -EINVAL;

3
drivers/gpu/drm/omapdrm/dss/dss.h
View File

@ -417,9 +417,6 @@ bool dispc_div_calc(struct dispc_device *dispc, unsigned long dispc_freq,
unsigned long pck_min, unsigned long pck_max,
dispc_div_calc_func func, void *data);
bool dispc_mgr_timings_ok(struct dispc_device *dispc,
enum omap_channel channel,
const struct videomode *vm);
int dispc_calc_clock_rates(struct dispc_device *dispc,
unsigned long dispc_fclk_rate,
struct dispc_clock_info *cinfo);

12
drivers/gpu/drm/omapdrm/dss/hdmi4.c
View File

@ -251,17 +251,6 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi)
hdmi_power_off_core(hdmi);
}
static int hdmi_display_check_timings(struct omap_dss_device *dssdev,
struct videomode *vm)
{
struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm))
return -EINVAL;
return 0;
}
static void hdmi_display_set_timings(struct omap_dss_device *dssdev,
const struct videomode *vm)
{
@ -508,7 +497,6 @@ static const struct omap_dss_device_ops hdmi_ops = {
.enable = hdmi_display_enable,
.disable = hdmi_display_disable,
.check_timings = hdmi_display_check_timings,
.set_timings = hdmi_display_set_timings,
.read_edid = hdmi_read_edid,

12
drivers/gpu/drm/omapdrm/dss/hdmi5.c
View File

@ -250,17 +250,6 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi)
hdmi_power_off_core(hdmi);
}
static int hdmi_display_check_timings(struct omap_dss_device *dssdev,
struct videomode *vm)
{
struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm))
return -EINVAL;
return 0;
}
static void hdmi_display_set_timings(struct omap_dss_device *dssdev,
const struct videomode *vm)
{
@ -502,7 +491,6 @@ static const struct omap_dss_device_ops hdmi_ops = {
.enable = hdmi_display_enable,
.disable = hdmi_display_disable,
.check_timings = hdmi_display_check_timings,
.set_timings = hdmi_display_set_timings,
.read_edid = hdmi_read_edid,

3
drivers/gpu/drm/omapdrm/dss/omapdss.h
View File

@ -608,6 +608,9 @@ struct dispc_ops {
void (*mgr_set_lcd_config)(struct dispc_device *dispc,
enum omap_channel channel,
const struct dss_lcd_mgr_config *config);
int (*mgr_check_timings)(struct dispc_device *dispc,
enum omap_channel channel,
const struct videomode *vm);
void (*mgr_set_timings)(struct dispc_device *dispc,
enum omap_channel channel,
const struct videomode *vm);

6
drivers/gpu/drm/omapdrm/dss/sdi.c
View File

@ -237,12 +237,6 @@ static void sdi_set_timings(struct omap_dss_device *dssdev,
static int sdi_check_timings(struct omap_dss_device *dssdev,
struct videomode *vm)
{
struct sdi_device *sdi = dssdev_to_sdi(dssdev);
enum omap_channel channel = dssdev->dispc_channel;
if (!dispc_mgr_timings_ok(sdi->dss->dispc, channel, vm))
return -EINVAL;
if (vm->pixelclock == 0)
return -EINVAL;

6
drivers/gpu/drm/omapdrm/omap_connector.c
View File

@ -268,6 +268,8 @@ static int omap_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
enum omap_channel channel = omap_connector->output->dispc_channel;
struct omap_drm_private *priv = connector->dev->dev_private;
struct omap_dss_device *dssdev;
struct videomode vm = {0};
struct drm_device *dev = connector->dev;
@ -277,6 +279,10 @@ static int omap_connector_mode_valid(struct drm_connector *connector,
drm_display_mode_to_videomode(mode, &vm);
mode->vrefresh = drm_mode_vrefresh(mode);
r = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm);
if (r)
goto done;
for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) {
if (!dssdev->ops->check_timings)
continue;

18
drivers/gpu/drm/omapdrm/omap_encoder.c
View File

@ -165,27 +165,35 @@ static int omap_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_connector_state *conn_state)
{
struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
enum omap_channel channel = omap_encoder->output->dispc_channel;
struct drm_device *dev = encoder->dev;
struct omap_drm_private *priv = dev->dev_private;
struct omap_dss_device *dssdev;
struct videomode vm = { 0 };
int ret;
drm_display_mode_to_videomode(&crtc_state->mode, &vm);
ret = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm);
if (ret)
goto done;
for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) {
if (!dssdev->ops->check_timings)
continue;
ret = dssdev->ops->check_timings(dssdev, &vm);
if (ret) {
dev_err(dev->dev, "invalid timings: %d\n", ret);
return ret;
}
if (ret)
goto done;
}
drm_display_mode_from_videomode(&vm, &crtc_state->adjusted_mode);
return 0;
done:
if (ret)
dev_err(dev->dev, "invalid timings: %d\n", ret);
return ret;
}
static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = {