[Intel-gfx] [PATCH 9/9] drm/i915: Complete sw/hw split
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Thu Jun 20 21:46:13 UTC 2019
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_atomic.c | 16 +++++++
drivers/gpu/drm/i915/display/intel_atomic.h | 1 +
drivers/gpu/drm/i915/display/intel_display.c | 46 +++++++++++++++++---
drivers/gpu/drm/i915/intel_drv.h | 8 ++--
4 files changed, 63 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index b95015cfa5dc..3a0739953695 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -195,6 +195,14 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
__drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->uapi);
+ /* copy color blobs */
+ if (crtc_state->hw.degamma_lut)
+ drm_property_blob_get(crtc_state->hw.degamma_lut);
+ if (crtc_state->hw.ctm)
+ drm_property_blob_get(crtc_state->hw.ctm);
+ if (crtc_state->hw.gamma_lut)
+ drm_property_blob_get(crtc_state->hw.gamma_lut);
+
crtc_state->update_pipe = false;
crtc_state->disable_lp_wm = false;
crtc_state->disable_cxsr = false;
@@ -209,6 +217,13 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
return &crtc_state->uapi;
}
+void intel_crtc_put_hw_blobs(struct intel_crtc_state *crtc_state)
+{
+ drm_property_blob_put(crtc_state->hw.degamma_lut);
+ drm_property_blob_put(crtc_state->hw.gamma_lut);
+ drm_property_blob_put(crtc_state->hw.ctm);
+}
+
/**
* intel_crtc_destroy_state - destroy crtc state
* @crtc: drm crtc
@@ -224,6 +239,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
struct intel_crtc_state *crtc_state = to_intel_crtc_state(state);
__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
+ intel_crtc_put_hw_blobs(crtc_state);
kfree(crtc_state);
}
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h b/drivers/gpu/drm/i915/display/intel_atomic.h
index 58065d3161a3..ec5109b9d18d 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.h
+++ b/drivers/gpu/drm/i915/display/intel_atomic.h
@@ -35,6 +35,7 @@ intel_digital_connector_duplicate_state(struct drm_connector *connector);
struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
void intel_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state);
+void intel_crtc_put_hw_blobs(struct intel_crtc_state *crtc_state);
struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
void intel_atomic_state_clear(struct drm_atomic_state *state);
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 34378988bf31..719f745514e4 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -113,6 +113,7 @@ static const u64 cursor_format_modifiers[] = {
DRM_FORMAT_MOD_INVALID
};
+static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state);
static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config);
static void ironlake_pch_clock_get(struct intel_crtc *crtc,
@@ -6927,6 +6928,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
crtc->enabled = false;
crtc->state->connector_mask = 0;
crtc->state->encoder_mask = 0;
+ copy_uapi_to_hw_state(to_intel_crtc_state(crtc->state));
for_each_encoder_on_crtc(crtc->dev, crtc, encoder)
encoder->base.crtc = NULL;
@@ -11615,6 +11617,19 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
if (mode_changed || pipe_config->update_pipe ||
pipe_config->uapi.color_mgmt_changed) {
+ /* Copy color blobs to hw state */
+ intel_crtc_put_hw_blobs(pipe_config);
+
+ if (pipe_config->uapi.degamma_lut)
+ pipe_config->hw.degamma_lut =
+ drm_property_blob_get(pipe_config->uapi.degamma_lut);
+ if (pipe_config->uapi.gamma_lut)
+ pipe_config->hw.gamma_lut =
+ drm_property_blob_get(pipe_config->uapi.gamma_lut);
+ if (pipe_config->uapi.ctm)
+ pipe_config->hw.ctm =
+ drm_property_blob_get(pipe_config->uapi.ctm);
+
ret = intel_color_check(pipe_config);
if (ret)
return ret;
@@ -12054,6 +12069,22 @@ static bool check_digital_port_conflicts(struct intel_atomic_state *state)
return ret;
}
+static void copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state)
+{
+ crtc_state->hw.enable = crtc_state->uapi.enable;
+ crtc_state->hw.active = crtc_state->uapi.active;
+ crtc_state->hw.mode = crtc_state->uapi.mode;
+ crtc_state->hw.adjusted_mode = crtc_state->uapi.adjusted_mode;
+}
+
+static void copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state)
+{
+ crtc_state->uapi.enable = crtc_state->hw.enable;
+ crtc_state->uapi.active = crtc_state->hw.active;
+ crtc_state->uapi.mode = crtc_state->hw.mode;
+ crtc_state->uapi.adjusted_mode = crtc_state->hw.adjusted_mode;
+}
+
static int
clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
{
@@ -12070,6 +12101,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
* fixed, so that the crtc_state can be safely duplicated. For now,
* only fields that are know to not cause problems are preserved. */
+ saved_state->uapi = crtc_state->uapi;
saved_state->scaler_state = crtc_state->scaler_state;
saved_state->shared_dpll = crtc_state->shared_dpll;
saved_state->dpll_hw_state = crtc_state->dpll_hw_state;
@@ -12078,11 +12110,9 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
saved_state->wm = crtc_state->wm;
- /* Keep base drm_crtc_state intact, only clear our extended struct */
- BUILD_BUG_ON(offsetof(struct intel_crtc_state, uapi));
- BUILD_BUG_ON(offsetof(struct intel_crtc_state, hw));
- memcpy(&crtc_state->uapi + 1, &saved_state->uapi + 1,
- sizeof(*crtc_state) - sizeof(crtc_state->uapi));
+ intel_crtc_put_hw_blobs(crtc_state);
+ memcpy(crtc_state, saved_state, sizeof(*crtc_state));
+ copy_uapi_to_hw_state(crtc_state);
kfree(saved_state);
return 0;
@@ -12917,6 +12947,8 @@ verify_crtc_state(struct intel_crtc *crtc,
old_state = old_crtc_state->uapi.state;
__drm_atomic_helper_crtc_destroy_state(&old_crtc_state->uapi);
+ intel_crtc_put_hw_blobs(old_crtc_state);
+
pipe_config = old_crtc_state;
memset(pipe_config, 0, sizeof(*pipe_config));
pipe_config->uapi.crtc = &crtc->base;
@@ -13463,6 +13495,7 @@ static int intel_atomic_check(struct drm_device *dev,
if (!new_crtc_state->uapi.enable) {
any_ms = true;
+ clear_intel_crtc_state(new_crtc_state);
continue;
}
@@ -16431,6 +16464,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
to_intel_crtc_state(crtc->base.state);
__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
+ intel_crtc_put_hw_blobs(crtc_state);
memset(crtc_state, 0, sizeof(*crtc_state));
__drm_atomic_helper_crtc_reset(&crtc->base, &crtc_state->uapi);
@@ -16540,6 +16574,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
crtc->base.mode.vdisplay = crtc_state->pipe_src_h;
intel_mode_from_pipe_config(&crtc_state->hw.adjusted_mode,
crtc_state);
+ crtc_state->hw.mode = crtc->base.mode;
WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode));
/*
@@ -16585,6 +16620,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
intel_bw_crtc_update(bw_state, crtc_state);
+ copy_hw_to_uapi_state(crtc_state);
intel_pipe_config_sanity_check(dev_priv, crtc_state);
}
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 2a39ec732181..31580ffdfe15 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -713,7 +713,6 @@ enum intel_output_format {
};
struct intel_crtc_state {
- union {
/*
* uapi (drm) state. This is the software state shown to userspace.
* In particular, the following members are used for bookkeeping:
@@ -736,8 +735,11 @@ struct intel_crtc_state {
*
* During initial hw readout, they need to be copied to uapi.
*/
- struct drm_crtc_state hw;
- };
+ struct {
+ bool active, enable;
+ struct drm_property_blob *degamma_lut, *gamma_lut, *ctm;
+ struct drm_display_mode mode, adjusted_mode;
+ } hw;
/**
* quirks - bitfield with hw state readout quirks
--
2.20.1
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