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drm/i915: use staged outuput config in tv->mode_fixup

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The "is this encoder cloned" check will be reused by the lvds encoder,
hence exract it.

v2: Be a bit more careful about that we need to check the new, staged
ouput configuration in the check_non_cloned helper ...

v3: Kill the double negation with s/!non_cloned/is_cloned/, suggested
by Jesse Barnes.

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-07-08 19:41:43 +02:00
parent 7758a11340
commit 6ed0f796c2
3 changed files with 25 additions and 5 deletions
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22
drivers/gpu/drm/i915/intel_display.c
View File

@ -6563,6 +6563,28 @@ static struct drm_crtc_helper_funcs intel_helper_funcs = {
.disable = intel_crtc_disable,
};
bool intel_encoder_check_is_cloned(struct intel_encoder *encoder)
{
struct intel_encoder *other_encoder;
struct drm_crtc *crtc = &encoder->new_crtc->base;
if (WARN_ON(!crtc))
return false;
list_for_each_entry(other_encoder,
&crtc->dev->mode_config.encoder_list,
base.head) {
if (&other_encoder->new_crtc->base != crtc ||
encoder == other_encoder)
continue;
else
return true;
}
return false;
}
static bool intel_encoder_crtc_ok(struct drm_encoder *encoder,
struct drm_crtc *crtc)
{

1
drivers/gpu/drm/i915/intel_drv.h
View File

@ -454,6 +454,7 @@ extern void intel_crtc_update_dpms(struct drm_crtc *crtc);
extern void intel_encoder_disable(struct drm_encoder *encoder);
extern void intel_encoder_destroy(struct drm_encoder *encoder);
extern void intel_encoder_dpms(struct intel_encoder *encoder, int mode);
extern bool intel_encoder_check_is_cloned(struct intel_encoder *encoder);
extern void intel_connector_dpms(struct drm_connector *, int mode);
extern bool intel_connector_get_hw_state(struct intel_connector *connector);
extern void intel_connector_check_state(struct intel_connector *);

7
drivers/gpu/drm/i915/intel_tv.c
View File

@ -910,17 +910,14 @@ intel_tv_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
struct intel_encoder *other_encoder;
if (!tv_mode)
return false;
for_each_encoder_on_crtc(dev, encoder->crtc, other_encoder)
if (&other_encoder->base != encoder)
return false;
if (intel_encoder_check_is_cloned(&intel_tv->base))
return false;
adjusted_mode->clock = tv_mode->clock;
return true;