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authorMaxime Ripard <maxime@cerno.tech>2022-11-14 14:00:31 +0100
committerMaxime Ripard <maxime@cerno.tech>2022-11-15 10:10:24 +0100
commit0e308efe232afdec35d508f5dfae52f03d50efca (patch)
tree28052f1301b5ccf80b9ce9b7e599262404959c83
parent00dcc4a2d560c57543ee36b94a864256f99cac32 (diff)
downloadlinux-next-0e308efe232afdec35d508f5dfae52f03d50efca.tar.gz
drm/connector: Add pixel clock to cmdline mode
We'll need to get the pixel clock to generate proper display modes for all the current named modes. Let's add it to struct drm_cmdline_mode and fill it when parsing the named mode. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v9-12-24b168e5bcd5@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
-rw-r--r--drivers/gpu/drm/drm_modes.c9
-rw-r--r--include/drm/drm_connector.h7
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 17b7829ca385..3c8034a8c27b 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1752,22 +1752,24 @@ static int drm_mode_parse_cmdline_options(const char *str,
struct drm_named_mode {
const char *name;
+ unsigned int pixel_clock_khz;
unsigned int xres;
unsigned int yres;
unsigned int flags;
};
-#define NAMED_MODE(_name, _x, _y, _flags) \
+#define NAMED_MODE(_name, _pclk, _x, _y, _flags) \
{ \
.name = _name, \
+ .pixel_clock_khz = _pclk, \
.xres = _x, \
.yres = _y, \
.flags = _flags, \
}
static const struct drm_named_mode drm_named_modes[] = {
- NAMED_MODE("NTSC", 720, 480, DRM_MODE_FLAG_INTERLACE),
- NAMED_MODE("PAL", 720, 576, DRM_MODE_FLAG_INTERLACE),
+ NAMED_MODE("NTSC", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE),
+ NAMED_MODE("PAL", 13500, 720, 576, DRM_MODE_FLAG_INTERLACE),
};
static int drm_mode_parse_cmdline_named_mode(const char *name,
@@ -1808,6 +1810,7 @@ static int drm_mode_parse_cmdline_named_mode(const char *name,
continue;
strcpy(cmdline_mode->name, mode->name);
+ cmdline_mode->pixel_clock = mode->pixel_clock_khz;
cmdline_mode->xres = mode->xres;
cmdline_mode->yres = mode->yres;
cmdline_mode->interlace = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index e641a4725f99..f1cba187e551 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1213,6 +1213,13 @@ struct drm_cmdline_mode {
bool bpp_specified;
/**
+ * @pixel_clock:
+ *
+ * Pixel Clock in kHz. Optional.
+ */
+ unsigned int pixel_clock;
+
+ /**
* @xres:
*
* Active resolution on the X axis, in pixels.