[Intel-gfx] [PATCH 2/6] drm/i915: Don't store temporary load-detect variables in the generic encoder
Chris Wilson
chris at chris-wilson.co.uk
Wed Apr 20 11:22:18 CEST 2011
Keep all the state required for undoing and restoring the previous pipe
configuration together in a single struct passed from
intel_get_load_detect_pipe() to intel_release_load_detect_pipe() rather
than stuffing them inside the common encoder structure.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_crt.c | 11 ++++++-----
drivers/gpu/drm/i915/intel_display.c | 26 +++++++++++++++-----------
drivers/gpu/drm/i915/intel_drv.h | 10 +++++++---
drivers/gpu/drm/i915/intel_tv.c | 9 +++++----
4 files changed, 33 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 2eb60cd..e93f93c 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -430,7 +430,6 @@ intel_crt_detect(struct drm_connector *connector, bool force)
struct drm_device *dev = connector->dev;
struct intel_crt *crt = intel_attached_crt(connector);
struct drm_crtc *crtc;
- int dpms_mode;
enum drm_connector_status status;
if (I915_HAS_HOTPLUG(dev)) {
@@ -454,14 +453,16 @@ intel_crt_detect(struct drm_connector *connector, bool force)
if (crtc && crtc->enabled) {
status = intel_crt_load_detect(crt);
} else {
- if (intel_get_load_detect_pipe(&crt->base, connector,
- NULL, &dpms_mode)) {
+ struct intel_load_detect_pipe tmp;
+
+ if (intel_get_load_detect_pipe(&crt->base, connector, NULL,
+ &tmp)) {
if (intel_crt_detect_ddc(connector))
status = connector_status_connected;
else
status = intel_crt_load_detect(crt);
- intel_release_load_detect_pipe(&crt->base,
- connector, dpms_mode);
+ intel_release_load_detect_pipe(&crt->base, connector,
+ &tmp);
} else
status = connector_status_unknown;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 92e2f14..1d7b9d4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5542,7 +5542,7 @@ static struct drm_display_mode load_detect_mode = {
bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
struct drm_display_mode *mode,
- int *dpms_mode)
+ struct intel_load_detect_pipe *old)
{
struct intel_crtc *intel_crtc;
struct drm_crtc *possible_crtc;
@@ -5567,14 +5567,18 @@ bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
/* See if we already have a CRTC for this connector */
if (encoder->crtc) {
crtc = encoder->crtc;
- /* Make sure the crtc and connector are running */
+
intel_crtc = to_intel_crtc(crtc);
- *dpms_mode = intel_crtc->dpms_mode;
+ old->dpms_mode = intel_crtc->dpms_mode;
+ old->load_detect_temp = false;
+
+ /* Make sure the crtc and connector are running */
if (intel_crtc->dpms_mode != DRM_MODE_DPMS_ON) {
crtc_funcs = crtc->helper_private;
crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
}
+
return true;
}
@@ -5601,10 +5605,10 @@ bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
encoder->crtc = crtc;
connector->encoder = encoder;
- intel_encoder->load_detect_temp = true;
intel_crtc = to_intel_crtc(crtc);
- *dpms_mode = intel_crtc->dpms_mode;
+ old->dpms_mode = intel_crtc->dpms_mode;
+ old->load_detect_temp = true;
if (!crtc->enabled) {
if (!mode)
@@ -5632,7 +5636,8 @@ bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
}
void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
- struct drm_connector *connector, int dpms_mode)
+ struct drm_connector *connector,
+ struct intel_load_detect_pipe *old)
{
struct drm_encoder *encoder = &intel_encoder->base;
struct drm_device *dev = encoder->dev;
@@ -5640,19 +5645,18 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
- if (intel_encoder->load_detect_temp) {
+ if (old->load_detect_temp) {
encoder->crtc = NULL;
connector->encoder = NULL;
- intel_encoder->load_detect_temp = false;
crtc->enabled = drm_helper_crtc_in_use(crtc);
drm_helper_disable_unused_functions(dev);
}
/* Switch crtc and encoder back off if necessary */
- if (crtc->enabled && dpms_mode != DRM_MODE_DPMS_ON) {
+ if (crtc->enabled && old->dpms_mode != DRM_MODE_DPMS_ON) {
if (encoder->crtc == crtc)
- encoder_funcs->dpms(encoder, dpms_mode);
- crtc_funcs->dpms(crtc, dpms_mode);
+ encoder_funcs->dpms(encoder, old->dpms_mode);
+ crtc_funcs->dpms(crtc, old->dpms_mode);
}
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 7ea4bab..9409a46 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -140,7 +140,6 @@ struct intel_fbdev {
struct intel_encoder {
struct drm_encoder base;
int type;
- bool load_detect_temp;
bool needs_tv_clock;
void (*hot_plug)(struct intel_encoder *);
int crtc_mask;
@@ -298,13 +297,18 @@ static inline void intel_wait_for_crtc_vblank_safe(struct drm_crtc *crtc)
msleep(50);
}
extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
+
+struct intel_load_detect_pipe {
+ bool load_detect_temp;
+ int dpms_mode;
+};
extern bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
struct drm_display_mode *mode,
- int *dpms_mode);
+ struct intel_load_detect_pipe *old);
extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
- int dpms_mode);
+ struct intel_load_detect_pipe *old);
extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 1174f77..529f232 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1370,13 +1370,14 @@ intel_tv_detect(struct drm_connector *connector, bool force)
if (intel_tv->base.base.crtc && intel_tv->base.base.crtc->enabled) {
type = intel_tv_detect_type(intel_tv, connector);
} else if (force) {
- int dpms_mode;
+ struct intel_load_detect_pipe tmp;
if (intel_get_load_detect_pipe(&intel_tv->base, connector,
- &mode, &dpms_mode)) {
+ &mode, &tmp)) {
type = intel_tv_detect_type(intel_tv, connector);
- intel_release_load_detect_pipe(&intel_tv->base, connector,
- dpms_mode);
+ intel_release_load_detect_pipe(&intel_tv->base,
+ connector,
+ &tmp);
} else
return connector_status_unknown;
} else
--
1.7.4.1
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