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126 lines
2.7 KiB
Diff
126 lines
2.7 KiB
Diff
From 7c0f4f4d81958f63abf696e71b342e8b75a6e530 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime.ripard@bootlin.com>
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Date: Wed, 19 Jun 2019 12:17:48 +0200
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Subject: [PATCH] drm/connector: Add documentation for drm_cmdline_mode
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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commit 772cd52c5574b04b00a97d638b2cfe94c0c1a9b6 upstream.
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The struct drm_cmdline_mode holds the result of the command line parsers.
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However, it wasn't documented so far, so let's do that.
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Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
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Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Link: https://patchwork.freedesktop.org/patch/msgid/963c893c16c6a25fc469b53c726f493d99bdc578.1560783090.git-series.maxime.ripard@bootlin.com
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---
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include/drm/drm_connector.h | 86 ++++++++++++++++++++++++++++++++++++-
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1 file changed, 84 insertions(+), 2 deletions(-)
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--- a/include/drm/drm_connector.h
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+++ b/include/drm/drm_connector.h
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@@ -755,18 +755,100 @@ struct drm_connector_funcs {
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const struct drm_connector_state *state);
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};
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-/* mode specified on the command line */
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+/**
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+ * struct drm_cmdline_mode - DRM Mode passed through the kernel command-line
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+ *
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+ * Each connector can have an initial mode with additional options
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+ * passed through the kernel command line. This structure allows to
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+ * express those parameters and will be filled by the command-line
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+ * parser.
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+ */
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struct drm_cmdline_mode {
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+ /**
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+ * @specified:
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+ *
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+ * Has a mode been read from the command-line?
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+ */
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bool specified;
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+
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+ /**
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+ * @refresh_specified:
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+ *
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+ * Did the mode have a preferred refresh rate?
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+ */
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bool refresh_specified;
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+
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+ /**
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+ * @bpp_specified:
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+ *
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+ * Did the mode have a preferred BPP?
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+ */
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bool bpp_specified;
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- int xres, yres;
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+
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+ /**
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+ * @xres:
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+ *
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+ * Active resolution on the X axis, in pixels.
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+ */
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+ int xres;
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+
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+ /**
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+ * @yres:
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+ *
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+ * Active resolution on the Y axis, in pixels.
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+ */
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+ int yres;
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+
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+ /**
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+ * @bpp:
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+ *
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+ * Bits per pixels for the mode.
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+ */
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int bpp;
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+
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+ /**
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+ * @refresh:
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+ *
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+ * Refresh rate, in Hertz.
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+ */
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int refresh;
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+
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+ /**
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+ * @rb:
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+ *
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+ * Do we need to use reduced blanking?
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+ */
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bool rb;
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+
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+ /**
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+ * @interlace:
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+ *
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+ * The mode is interlaced.
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+ */
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bool interlace;
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+
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+ /**
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+ * @cvt:
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+ *
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+ * The timings will be calculated using the VESA Coordinated
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+ * Video Timings instead of looking up the mode from a table.
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+ */
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bool cvt;
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+
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+ /**
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+ * @margins:
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+ *
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+ * Add margins to the mode calculation (1.8% of xres rounded
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+ * down to 8 pixels and 1.8% of yres).
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+ */
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bool margins;
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+
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+ /**
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+ * @force:
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+ *
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+ * Ignore the hotplug state of the connector, and force its
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+ * state to one of the DRM_FORCE_* values.
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+ */
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enum drm_connector_force force;
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};
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