drm/gma500: Add generic encoder functions (59345847) · Commits · 戴 / test

drivers/gpu/drm/gma500/gma_display.c

+41 −0

Original line number	Diff line number	Diff line
		@@ -519,6 +519,47 @@ void gma_crtc_destroy(struct drm_crtc *crtc)
		kfree(psb_intel_crtc);
		}

		void gma_encoder_prepare(struct drm_encoder *encoder)
		{
		struct drm_encoder_helper_funcs *encoder_funcs =
		encoder->helper_private;
		/* lvds has its own version of prepare see psb_intel_lvds_prepare */
		encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
		}

		void gma_encoder_commit(struct drm_encoder *encoder)
		{
		struct drm_encoder_helper_funcs *encoder_funcs =
		encoder->helper_private;
		/* lvds has its own version of commit see psb_intel_lvds_commit */
		encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
		}

		void gma_encoder_destroy(struct drm_encoder *encoder)
		{
		struct psb_intel_encoder *intel_encoder = to_psb_intel_encoder(encoder);

		drm_encoder_cleanup(encoder);
		kfree(intel_encoder);
		}

		/* Currently there is only a 1:1 mapping of encoders and connectors */
		struct drm_encoder gma_best_encoder(struct drm_connector connector)
		{
		struct psb_intel_encoder *psb_intel_encoder =
		psb_intel_attached_encoder(connector);

		return &psb_intel_encoder->base;
		}

		void gma_connector_attach_encoder(struct psb_intel_connector *connector,
		struct psb_intel_encoder *encoder)
		{
		connector->encoder = encoder;
		drm_mode_connector_attach_encoder(&connector->base,
		&encoder->base);
		}

		#define GMA_PLL_INVALID(s) { /* DRM_ERROR(s); */ return false; }

		bool gma_pll_is_valid(struct drm_crtc *crtc,

+4 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,10 @@ extern void gma_crtc_commit(struct drm_crtc *crtc);
		extern void gma_crtc_disable(struct drm_crtc *crtc);
		extern void gma_crtc_destroy(struct drm_crtc *crtc);

		extern void gma_encoder_prepare(struct drm_encoder *encoder);
		extern void gma_encoder_commit(struct drm_encoder *encoder);
		extern void gma_encoder_destroy(struct drm_encoder *encoder);

		/* Common clock related functions */
		extern const struct gma_limit_t gma_limit(struct drm_crtc crtc, int refclk);
		extern void gma_clock(int refclk, struct gma_clock_t *clock);

+10 −0

Original line number	Diff line number	Diff line
		@@ -230,12 +230,22 @@ extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
		extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
		extern void psb_intel_encoder_destroy(struct drm_encoder *encoder);

		extern struct drm_encoder gma_best_encoder(struct drm_connector connector);
		extern void gma_connector_attach_encoder(struct psb_intel_connector *connector,
		struct psb_intel_encoder *encoder);

		static inline struct psb_intel_encoder *psb_intel_attached_encoder(
		struct drm_connector *connector)
		{
		return to_psb_intel_connector(connector)->encoder;
		}

		static inline struct psb_intel_encoder *gma_attached_encoder(
		struct drm_connector *connector)
		{
		return to_psb_intel_connector(connector)->encoder;
		}

		extern void psb_intel_connector_attach_encoder(
		struct psb_intel_connector *connector,
		struct psb_intel_encoder *encoder);