This patch is adding pipesource size as property as intel property.User
application is allowed to change the pipe source size in runtime on BXT/SKL.
Added the property as inteli crtc property.
Comments and suggestions are requested for whether we can keep the
property as intel crtc property or move to drm level.
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 1 +
drivers/gpu/drm/i915/intel_atomic.c | 66 ++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_display.c | 46 +++++++++++++++++++++++--
drivers/gpu/drm/i915/intel_drv.h | 9 +++++
4 files changed, 120 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index cf7e0fc..d789841 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1867,6 +1867,7 @@ struct drm_i915_private {
struct drm_property *broadcast_rgb_property;
struct drm_property *force_audio_property;
+ struct drm_property *crtc_src_size_prop;
/* hda/i915 audio component */
struct i915_audio_component *audio_component;
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 4625f8a..b386ba9 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -73,6 +73,72 @@ intel_connector_atomic_get_property(struct drm_connector *connector,
return -EINVAL;
}
+/* intel_crtc_atomic_set_property - duplicate crtc state
+ * @crtc: drm crtc
+ *
+ * Allocates and returns a copy of the crtc state (both common and
+ * Intel-specific) for the specified crtc.
+ *
+ * Returns: The newly allocated crtc state, or NULL on failure.
+ */
+int
+intel_crtc_atomic_set_property(struct drm_crtc *crtc,
+ struct drm_crtc_state *state,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc_state *intel_crtc_state = to_intel_crtc_state(state);
+ u32 pipe_src_size = ((intel_crtc_state->pipe_src_w << 16) |
+ (intel_crtc_state->pipe_src_h));
+ struct drm_display_mode *adjusted_mode =
+ &intel_crtc->config->base.adjusted_mode;
+
+ if (property == dev_priv->crtc_src_size_prop) {
+ if (val != pipe_src_size) {
+ if (val) {
+ intel_crtc_state->pipe_src_w = (val >> 16);
+ intel_crtc_state->pipe_src_h = val & 0x0000ffff;
+ } else {
+
+ /* for 0 set standard modeset calculated values */
+ intel_crtc_state->pipe_src_w = adjusted_mode->hdisplay;
+ intel_crtc_state->pipe_src_h = adjusted_mode->vdisplay;
+ }
+ intel_crtc_state->update_pipe = true;
+ }
+ }
+ return 0;
+}
+
+/*
+ * intel_crtc_atomic_get_property - duplicate crtc state
+ * @crtc: drm crtc
+ *
+ * Get Crtc properties.
+ *
+ * Returns: The newly allocated crtc state, or NULL on failure.
+ */
+int
+intel_crtc_atomic_get_property(struct drm_crtc *crtc,
+ const struct drm_crtc_state *state,
+ struct drm_property *property,
+ uint64_t *val)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc_state *intel_crtc_state = to_intel_crtc_state(state);
+ u32 pipe_src_size = ((intel_crtc_state->pipe_src_w << 16) |
+ (intel_crtc_state->pipe_src_h));
+
+ if (property == dev_priv->crtc_src_size_prop) {
+ *val = pipe_src_size;
+ }
+ return 0;
+}
+
/*
* intel_crtc_duplicate_state - duplicate crtc state
* @crtc: drm crtc
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2d0b006..ca4e26b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3340,6 +3340,12 @@ static void intel_update_pipe_config(struct intel_crtc *crtc,
* sized surface.
*/
+ /* Restore modeset values */
+ if (!crtc->config->pipe_src_w && crtc->config->pipe_src_h) {
+ crtc->config->pipe_src_w = adjusted_mode->crtc_hdisplay;
+ crtc->config->pipe_src_h = adjusted_mode->crtc_vdisplay;
+ }
+
I915_WRITE(PIPESRC(crtc->pipe),
((pipe_config->pipe_src_w - 1) << 16) |
(pipe_config->pipe_src_h - 1));
@@ -12068,9 +12074,23 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
}
if (INTEL_INFO(dev)->gen >= 9) {
- if (mode_changed)
- ret = skl_update_scaler_crtc(pipe_config);
+ struct intel_connector *intel_connector;
+ for_each_intel_connector(dev, intel_connector) {
+ if (intel_connector->encoder->base.crtc != crtc)
+ continue;
+
+ if ((intel_connector != NULL) && ((mode_changed) ||
+ (pipe_config->update_pipe))) {
+ ret = skl_update_scaler_crtc(pipe_config);
+ if (HAS_GMCH_DISPLAY(dev))
+ intel_gmch_panel_fitting(intel_crtc, pipe_config,
+ intel_connector->panel.fitting_mode);
+ else
+ intel_pch_panel_fitting(intel_crtc, pipe_config,
+ intel_connector->panel.fitting_mode);
+ }
+ }
if (!ret)
ret = intel_atomic_setup_scalers(dev, intel_crtc,
pipe_config);
@@ -13674,6 +13694,8 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
.page_flip = intel_crtc_page_flip,
.atomic_duplicate_state = intel_crtc_duplicate_state,
.atomic_destroy_state = intel_crtc_destroy_state,
+ .atomic_set_property = intel_crtc_atomic_set_property,
+ .atomic_get_property = intel_crtc_atomic_get_property,
};
static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
@@ -14097,6 +14119,23 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
return &primary->base;
}
+void intel_create_crtc_properties(struct drm_device *dev,
+ struct intel_crtc *intel_crtc)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (!dev_priv->crtc_src_size_prop) {
+ dev_priv->crtc_src_size_prop =
+ drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC,
+ "crtc_src_size", 0, UINT_MAX);
+ }
+
+ /*FIXME: Add modeseted values ?*/
+ if (dev_priv->crtc_src_size_prop)
+ drm_object_attach_property(&intel_crtc->base.base,
+ dev_priv->crtc_src_size_prop, 0);
+}
+
void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane)
{
if (!dev->mode_config.rotation_property) {
@@ -14319,6 +14358,9 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
if (ret)
goto fail;
+ if (INTEL_INFO(dev)->gen >= 9)
+ intel_create_crtc_properties(dev, intel_crtc);
+
drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256);
for (i = 0; i < 256; i++) {
intel_crtc->lut_r[i] = i;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0438b57..c787f0b 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1586,6 +1586,15 @@ int intel_connector_atomic_get_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t *val);
struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
+int intel_crtc_atomic_set_property(struct drm_crtc *crtc,
+ struct drm_crtc_state *state,
+ struct drm_property *property, uint64_t val);
+int
+intel_crtc_atomic_get_property(struct drm_crtc *crtc,
+ const struct drm_crtc_state *state,
+ struct drm_property *property,
+ uint64_t *val);
+
void intel_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state);
struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
--
1.9.1
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