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drm/omap: dpi: Reorder functions in sections

Browse Source 
Group functions based on their purpose and split them in sections to
make the source code easier to navigate.

No functional change is included.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-47-laurent.pinchart@ideasonboard.com
This commit is contained in:
Laurent Pinchart 2020-02-26 13:25:06 +02:00 committed by Tomi Valkeinen
parent b04df00bb5
commit 825281cd6b
1 changed files with 79 additions and 67 deletions
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146
drivers/gpu/drm/omapdrm/dss/dpi.c
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@ -48,6 +48,10 @@ static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
return container_of(dssdev, struct dpi_data, output);
}
/* -----------------------------------------------------------------------------
* Clock Handling and PLL
*/
static enum dss_clk_source dpi_get_clk_src_dra7xx(struct dpi_data *dpi,
enum omap_channel channel)
{
@ -366,6 +370,62 @@ static void dpi_config_lcd_manager(struct dpi_data *dpi)
dss_mgr_set_lcd_config(&dpi->output, &dpi->mgr_config);
}
static int dpi_verify_pll(struct dss_pll *pll)
{
int r;
/* do initial setup with the PLL to see if it is operational */
r = dss_pll_enable(pll);
if (r)
return r;
dss_pll_disable(pll);
return 0;
}
static void dpi_init_pll(struct dpi_data *dpi)
{
struct dss_pll *pll;
if (dpi->pll)
return;
dpi->clk_src = dpi_get_clk_src(dpi);
pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src);
if (!pll)
return;
if (dpi_verify_pll(pll)) {
DSSWARN("PLL not operational\n");
return;
}
dpi->pll = pll;
}
/* -----------------------------------------------------------------------------
* omap_dss_device Operations
*/
static int dpi_connect(struct omap_dss_device *src,
struct omap_dss_device *dst)
{
struct dpi_data *dpi = dpi_get_data_from_dssdev(dst);
dpi_init_pll(dpi);
return omapdss_device_connect(dst->dss, dst, dst->next);
}
static void dpi_disconnect(struct omap_dss_device *src,
struct omap_dss_device *dst)
{
omapdss_device_disconnect(dst, dst->next);
}
static void dpi_display_enable(struct omap_dss_device *dssdev)
{
struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
@ -446,20 +506,6 @@ static void dpi_display_disable(struct omap_dss_device *dssdev)
mutex_unlock(&dpi->lock);
}
static void dpi_set_timings(struct omap_dss_device *dssdev,
const struct drm_display_mode *mode)
{
struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
DSSDBG("dpi_set_timings\n");
mutex_lock(&dpi->lock);
dpi->pixelclock = mode->clock * 1000;
mutex_unlock(&dpi->lock);
}
static int dpi_check_timings(struct omap_dss_device *dssdev,
struct drm_display_mode *mode)
{
@ -500,41 +546,30 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
return 0;
}
static int dpi_verify_pll(struct dss_pll *pll)
static void dpi_set_timings(struct omap_dss_device *dssdev,
const struct drm_display_mode *mode)
{
int r;
struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
/* do initial setup with the PLL to see if it is operational */
DSSDBG("dpi_set_timings\n");
r = dss_pll_enable(pll);
if (r)
return r;
mutex_lock(&dpi->lock);
dss_pll_disable(pll);
dpi->pixelclock = mode->clock * 1000;
return 0;
mutex_unlock(&dpi->lock);
}
static void dpi_init_pll(struct dpi_data *dpi)
{
struct dss_pll *pll;
static const struct omap_dss_device_ops dpi_ops = {
.connect = dpi_connect,
.disconnect = dpi_disconnect,
if (dpi->pll)
return;
.enable = dpi_display_enable,
.disable = dpi_display_disable,
dpi->clk_src = dpi_get_clk_src(dpi);
pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src);
if (!pll)
return;
if (dpi_verify_pll(pll)) {
DSSWARN("PLL not operational\n");
return;
}
dpi->pll = pll;
}
.check_timings = dpi_check_timings,
.set_timings = dpi_set_timings,
};
/*
* Return a hardcoded channel for the DPI output. This should work for
@ -572,33 +607,6 @@ static enum omap_channel dpi_get_channel(struct dpi_data *dpi)
}
}
static int dpi_connect(struct omap_dss_device *src,
struct omap_dss_device *dst)
{
struct dpi_data *dpi = dpi_get_data_from_dssdev(dst);
dpi_init_pll(dpi);
return omapdss_device_connect(dst->dss, dst, dst->next);
}
static void dpi_disconnect(struct omap_dss_device *src,
struct omap_dss_device *dst)
{
omapdss_device_disconnect(dst, dst->next);
}
static const struct omap_dss_device_ops dpi_ops = {
.connect = dpi_connect,
.disconnect = dpi_disconnect,
.enable = dpi_display_enable,
.disable = dpi_display_disable,
.check_timings = dpi_check_timings,
.set_timings = dpi_set_timings,
};
static int dpi_init_output_port(struct dpi_data *dpi, struct device_node *port)
{
struct omap_dss_device *out = &dpi->output;
@ -647,6 +655,10 @@ static void dpi_uninit_output_port(struct device_node *port)
omapdss_device_cleanup_output(out);
}
/* -----------------------------------------------------------------------------
* Initialisation and Cleanup
*/
static const struct soc_device_attribute dpi_soc_devices[] = {
{ .machine = "OMAP3[456]*" },
{ .machine = "[AD]M37*" },