]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
drm/omap: Store pixel clock instead of full mode in DPI and SDI encoders
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Fri, 21 Sep 2018 19:12:46 +0000 (22:12 +0300)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Mon, 18 Mar 2019 09:42:13 +0000 (11:42 +0200)
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>
drivers/gpu/drm/omapdrm/dss/dpi.c
drivers/gpu/drm/omapdrm/dss/sdi.c

index 0cb3cb72f15f274123e40f0ed6b34d8df783afd7..295bc3eeea8070f628b758b763d8c70b79741a53 100644 (file)
@@ -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);
 }
index f096a7f77e5fba773d8fe9af15646ca3a9e061b3..38b0bf19538d128c63c9f0e6885b738cf3742896 100644 (file)
@@ -37,7 +37,7 @@ struct sdi_device {
        struct regulator *vdds_sdi_reg;
 
        struct dss_lcd_mgr_config mgr_config;
-       struct videomode vm;
+       unsigned long pixelclock;
        int datapairs;
 
        struct omap_dss_device output;
@@ -144,7 +144,7 @@ static void sdi_display_enable(struct omap_dss_device *dssdev)
        if (r)
                goto err_get_dispc;
 
-       r = sdi_calc_clock_div(sdi, sdi->vm.pixelclock, &fck, &dispc_cinfo);
+       r = sdi_calc_clock_div(sdi, sdi->pixelclock, &fck, &dispc_cinfo);
        if (r)
                goto err_calc_clock_div;
 
@@ -210,7 +210,7 @@ static void sdi_set_timings(struct omap_dss_device *dssdev,
 {
        struct sdi_device *sdi = dssdev_to_sdi(dssdev);
 
-       drm_display_mode_to_videomode(mode, &sdi->vm);
+       sdi->pixelclock = mode->clock * 1000;
 }
 
 static int sdi_check_timings(struct omap_dss_device *dssdev,