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drm/omap: Store pixel clock instead of full mode in DPI and SDI encoders

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The DPI and SDI encoders store the full videomode upon mode set, to only
use the value of the pixel clock when enabling the encoder. This wastes
memory. Store the pixel clock value only.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart
2018-09-21 22:12:46 +03:00
committed by Tomi Valkeinen
parent b08644a235
commit e5906f765c
2 changed files with 7 additions and 8 deletions
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9
drivers/gpu/drm/omapdrm/dss/dpi.c
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@@ -47,8 +47,8 @@ struct dpi_data {
struct mutex lock;
struct videomode vm;
struct dss_lcd_mgr_config mgr_config;
unsigned long pixelclock;
int data_lines;
struct omap_dss_device output;
@@ -347,16 +347,15 @@ static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req,
static int dpi_set_mode(struct dpi_data *dpi)
{
const struct videomode *vm = &dpi->vm;
int lck_div = 0, pck_div = 0;
unsigned long fck = 0;
int r = 0;
if (dpi->pll)
r = dpi_set_pll_clk(dpi, dpi->output.dispc_channel,
vm->pixelclock, &fck, &lck_div, &pck_div);
dpi->pixelclock, &fck, &lck_div, &pck_div);
else
r = dpi_set_dispc_clk(dpi, vm->pixelclock, &fck,
r = dpi_set_dispc_clk(dpi, dpi->pixelclock, &fck,
&lck_div, &pck_div);
if (r)
return r;
@@ -467,7 +466,7 @@ static void dpi_set_timings(struct omap_dss_device *dssdev,
mutex_lock(&dpi->lock);
drm_display_mode_to_videomode(mode, &dpi->vm);
dpi->pixelclock = mode->clock * 1000;
mutex_unlock(&dpi->lock);
}