[PATCH weston v6 09/12] drm: Move drm's output configuration into the drm backend

Bryce Harrington bryce at osg.samsung.com
Sat Apr 16 03:28:34 UTC 2016


Signed-off-by: Bryce Harrington <bryce at osg.samsung.com>
---
 src/compositor-drm.c | 93 ++++++++++++++++++++++++++++++++++++++++++++--------
 src/compositor-drm.h | 41 -----------------------
 src/main.c           | 43 ------------------------
 3 files changed, 80 insertions(+), 97 deletions(-)

diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index 6ef706a..d129adc 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -75,6 +75,41 @@
 #define GBM_BO_USE_CURSOR GBM_BO_USE_CURSOR_64X64
 #endif
 
+enum weston_drm_backend_output_mode {
+	/** The output is disabled */
+	WESTON_DRM_BACKEND_OUTPUT_OFF,
+
+	/** The output will use the current active mode */
+	WESTON_DRM_BACKEND_OUTPUT_CURRENT,
+
+	/** The output will use the preferred mode. A modeline can be provided
+	 * by setting weston_backend_output_config::modeline in the form of
+	 * "WIDTHxHEIGHT" or in the form of an explicit modeline calculated
+	 * using e.g. the cvt tool. If a valid modeline is supplied it will be
+	 * used, if invalid or NULL the preferred available mode will be used. */
+	WESTON_DRM_BACKEND_OUTPUT_PREFERRED,
+};
+
+struct weston_drm_backend_output_config {
+	struct weston_backend_output_config base;
+
+	/** The pixel format to be used by the output. Valid values are:
+	 * - NULL - The format set at backend creation time will be used
+	 * - "xrgb8888"
+	 * - "rgb565"
+	 * - "xrgb2101010"
+	 */
+	char *gbm_format;
+
+	/** The seat to be used by the output. Set to NULL to use the
+	 * default seat. */
+	char *seat;
+
+	/** The modeline to be used by the output. Refer to the documentation
+	 * of WESTON_DRM_BACKEND_OUTPUT_PREFERRED for details. */
+	char *modeline;
+};
+
 struct drm_backend {
 	struct weston_backend base;
 	struct weston_compositor *compositor;
@@ -121,16 +156,6 @@ struct drm_backend {
 	int32_t cursor_width;
 	int32_t cursor_height;
 
-        /** Callback used to configure the outputs.
-	 *
-         * This function will be called by the backend when a new DRM
-         * output needs to be configured.
-         */
-        enum weston_drm_backend_output_mode
-	(*configure_output)(struct weston_compositor *compositor,
-			    bool use_current_mode,
-			    const char *name,
-			    struct weston_drm_backend_output_config *output_config);
 	bool use_current_mode;
 };
 
@@ -2275,6 +2300,49 @@ connector_get_current_mode(drmModeConnector *connector, int drm_fd,
 	return 0;
 }
 
+static enum weston_drm_backend_output_mode
+drm_configure_output(struct weston_compositor *c,
+                     bool use_current_mode,
+                     const char *name,
+                     struct weston_drm_backend_output_config *config)
+{
+	struct weston_config *wc = weston_compositor_get_user_data(c);
+	struct weston_config_section *section;
+	char *s;
+	int scale;
+	enum weston_drm_backend_output_mode mode =
+		WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
+
+	section = weston_config_get_section(wc, "output", "name", name);
+	weston_config_section_get_string(section, "mode", &s, "preferred");
+	if (strcmp(s, "off") == 0) {
+		free(s);
+		return WESTON_DRM_BACKEND_OUTPUT_OFF;
+	}
+
+	if (use_current_mode || strcmp(s, "current") == 0) {
+		mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
+	} else if (strcmp(s, "preferred") != 0) {
+		config->modeline = s;
+		s = NULL;
+	}
+	free(s);
+
+	weston_config_section_get_int(section, "scale", &scale, 1);
+	config->base.scale = scale >= 1 ? scale : 1;
+	weston_config_section_get_string(section, "transform", &s, "normal");
+	if (weston_parse_transform(s, &config->base.transform) < 0)
+		weston_log("Invalid transform \"%s\" for output %s\n",
+			   s, name);
+	free(s);
+
+	weston_config_section_get_string(section,
+					 "gbm-format", &config->gbm_format, NULL);
+	weston_config_section_get_string(section, "seat", &config->seat, "");
+	return mode;
+}
+
+
 /**
  * Create and configure a Weston output structure
  *
@@ -2321,8 +2389,8 @@ create_output_for_connector(struct drm_backend *b,
 	output->base.serial_number = "unknown";
 	wl_list_init(&output->base.mode_list);
 
-	mode = b->configure_output(b->compositor, b->use_current_mode,
-				   output->base.name, &config);
+	mode = drm_configure_output(b->compositor, b->use_current_mode,
+				    output->base.name, &config);
 	if (parse_gbm_format(config.gbm_format, b->gbm_format, &output->gbm_format) == -1)
 		output->gbm_format = b->gbm_format;
 
@@ -3059,7 +3127,6 @@ drm_backend_create(struct weston_compositor *compositor,
 	b->sprites_are_broken = 1;
 	b->compositor = compositor;
 	b->use_pixman = config->use_pixman;
-	b->configure_output = config->configure_output;
 	b->use_current_mode = config->use_current_mode;
 
 	if (parse_gbm_format(config->gbm_format, GBM_FORMAT_XRGB8888, &b->gbm_format) < 0)
diff --git a/src/compositor-drm.h b/src/compositor-drm.h
index 3b2dc17..e57b742 100644
--- a/src/compositor-drm.h
+++ b/src/compositor-drm.h
@@ -36,37 +36,6 @@ extern "C" {
 
 #define WESTON_DRM_BACKEND_CONFIG_VERSION 1
 
-enum weston_drm_backend_output_mode {
-	/** The output is disabled */
-	WESTON_DRM_BACKEND_OUTPUT_OFF,
-	/** The output will use the current active mode */
-	WESTON_DRM_BACKEND_OUTPUT_CURRENT,
-	/** The output will use the preferred mode. A modeline can be provided
-	 * by setting weston_backend_output_config::modeline in the form of
-	 * "WIDTHxHEIGHT" or in the form of an explicit modeline calculated
-	 * using e.g. the cvt tool. If a valid modeline is supplied it will be
-	 * used, if invalid or NULL the preferred available mode will be used. */
-	WESTON_DRM_BACKEND_OUTPUT_PREFERRED,
-};
-
-struct weston_drm_backend_output_config {
-	struct weston_backend_output_config base;
-
-	/** The pixel format to be used by the output. Valid values are:
-	 * - NULL - The format set at backend creation time will be used;
-	 * - "xrgb8888";
-	 * - "rgb565"
-	 * - "xrgb2101010"
-	 */
-	char *gbm_format;
-	/** The seat to be used by the output. Set to NULL to use the
-	 * default seat. */
-	char *seat;
-	/** The modeline to be used by the output. Refer to the documentation
-	 * of WESTON_DRM_BACKEND_OUTPUT_PREFERRED for details. */
-	char *modeline;
-};
-
 /** The backend configuration struct.
  *
  * weston_drm_backend_config contains the configuration used by a DRM
@@ -107,16 +76,6 @@ struct weston_drm_backend_config {
 	 */
 	char *gbm_format;
 
-	/** Callback used to configure the outputs.
-	 *
-	 * This function will be called by the backend when a new DRM
-	 * output needs to be configured.
-	 */
-	enum weston_drm_backend_output_mode
-		(*configure_output)(struct weston_compositor *compositor,
-				    bool use_current_mode,
-				    const char *name,
-				    struct weston_drm_backend_output_config *output_config);
 	bool use_current_mode;
 };
 
diff --git a/src/main.c b/src/main.c
index 21b7f5c..dcd5ee6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -674,48 +674,6 @@ load_backend_new(struct weston_compositor *compositor, const char *backend,
 	return backend_init(compositor, NULL, NULL, NULL, config_base);
 }
 
-static enum weston_drm_backend_output_mode
-drm_configure_output(struct weston_compositor *c,
-		     bool use_current_mode,
-		     const char *name,
-		     struct weston_drm_backend_output_config *config)
-{
-	struct weston_config *wc = weston_compositor_get_user_data(c);
-	struct weston_config_section *section;
-	char *s;
-	int scale;
-	enum weston_drm_backend_output_mode mode =
-		WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
-
-	section = weston_config_get_section(wc, "output", "name", name);
-	weston_config_section_get_string(section, "mode", &s, "preferred");
-	if (strcmp(s, "off") == 0) {
-		free(s);
-		return WESTON_DRM_BACKEND_OUTPUT_OFF;
-	}
-
-	if (use_current_mode || strcmp(s, "current") == 0) {
-		mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
-	} else if (strcmp(s, "preferred") != 0) {
-		config->modeline = s;
-		s = NULL;
-	}
-	free(s);
-
-	weston_config_section_get_int(section, "scale", &scale, 1);
-	config->base.scale = scale >= 1 ? scale : 1;
-	weston_config_section_get_string(section, "transform", &s, "normal");
-	if (weston_parse_transform(s, &config->base.transform) < 0)
-		weston_log("Invalid transform \"%s\" for output %s\n",
-			   s, name);
-	free(s);
-
-	weston_config_section_get_string(section,
-					 "gbm-format", &config->gbm_format, NULL);
-	weston_config_section_get_string(section, "seat", &config->seat, "");
-	return mode;
-}
-
 static int
 load_drm_backend(struct weston_compositor *c, const char *backend,
 		 int *argc, char **argv, struct weston_config *wc)
@@ -745,7 +703,6 @@ load_drm_backend(struct weston_compositor *c, const char *backend,
 
 	config->base.struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION;
 	config->base.struct_size = sizeof(struct weston_drm_backend_config);
-	config->configure_output = drm_configure_output;
 
 	ret = load_backend_new(c, backend,
 			       (struct weston_backend_config *)config);
-- 
1.9.1



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