drm/i915: Make the connector->encoder relationship explicit
Currently we have a exact mapping of a connector onto an encoder for its
whole lifetime. Make this an explicit property of the structure and so
simplify the code.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 12f15cb..267da32 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -903,6 +903,13 @@
return container_of(encoder, struct intel_tv, base.base);
}
+static struct intel_tv *intel_attached_tv(struct drm_connector *connector)
+{
+ return container_of(intel_attached_encoder(connector),
+ struct intel_tv,
+ base);
+}
+
static void
intel_tv_dpms(struct drm_encoder *encoder, int mode)
{
@@ -945,8 +952,7 @@
intel_tv_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
/* Ensure TV refresh is close to desired refresh */
@@ -1306,8 +1312,7 @@
*/
static void intel_tv_find_better_format(struct drm_connector *connector)
{
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
int i;
@@ -1339,14 +1344,13 @@
intel_tv_detect(struct drm_connector *connector)
{
struct drm_display_mode mode;
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
int type;
mode = reported_modes[0];
drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
- if (encoder->crtc && encoder->crtc->enabled) {
+ if (intel_tv->base.base.crtc && intel_tv->base.base.crtc->enabled) {
type = intel_tv_detect_type(intel_tv);
} else {
struct drm_crtc *crtc;
@@ -1391,8 +1395,7 @@
intel_tv_chose_preferred_modes(struct drm_connector *connector,
struct drm_display_mode *mode_ptr)
{
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
@@ -1417,8 +1420,7 @@
intel_tv_get_modes(struct drm_connector *connector)
{
struct drm_display_mode *mode_ptr;
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
int j, count = 0;
u64 tmp;
@@ -1483,9 +1485,8 @@
uint64_t val)
{
struct drm_device *dev = connector->dev;
- struct drm_encoder *encoder = intel_attached_encoder(connector);
- struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
- struct drm_crtc *crtc = encoder->crtc;
+ struct intel_tv *intel_tv = intel_attached_tv(connector);
+ struct drm_crtc *crtc = intel_tv->base.base.crtc;
int ret = 0;
bool changed = false;
@@ -1550,7 +1551,7 @@
static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = {
.mode_valid = intel_tv_mode_valid,
.get_modes = intel_tv_get_modes,
- .best_encoder = intel_attached_encoder,
+ .best_encoder = intel_best_encoder,
};
static const struct drm_encoder_funcs intel_tv_enc_funcs = {
@@ -1659,8 +1660,7 @@
drm_encoder_init(dev, &intel_encoder->base, &intel_tv_enc_funcs,
DRM_MODE_ENCODER_TVDAC);
- drm_mode_connector_attach_encoder(&intel_connector->base,
- &intel_encoder->base);
+ intel_connector_attach_encoder(intel_connector, intel_encoder);
intel_encoder->type = INTEL_OUTPUT_TVOUT;
intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
intel_encoder->clone_mask = (1 << INTEL_TV_CLONE_BIT);