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drm/gma500: Add generic encoder functions 

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
hifive-unleashed-5.1
Patrik Jakobsson 2013-07-11 00:54:45 +02:00
parent 561573bf69
commit 5934584701
3 changed files with 55 additions and 0 deletions
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41
drivers/gpu/drm/gma500/gma_display.c
View File

@ -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
drivers/gpu/drm/gma500/gma_display.h
View File

@ -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
drivers/gpu/drm/gma500/psb_intel_drv.h
View File

@ -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);