Since we allocate a few CRTC states on the stack, also switch the 'wm'
struct here to be a union so that we're not wasting stack space with
other platforms' watermark values.
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 8 ++++--
drivers/gpu/drm/i915/intel_drv.h | 54 +++++++++++++++++++-----------------
drivers/gpu/drm/i915/intel_pm.c | 34 ++++++++++++++---------
3 files changed, 55 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 46ef981..36ae3f7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4733,6 +4733,7 @@ intel_pre_disable_primary(struct drm_crtc *crtc)
static void intel_post_plane_update(struct intel_crtc *crtc)
{
struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->base.state);
struct drm_device *dev = crtc->base.dev;
struct drm_plane *plane;
@@ -4742,7 +4743,7 @@ static void intel_post_plane_update(struct intel_crtc *crtc)
intel_frontbuffer_flip(dev, atomic->fb_bits);
if (atomic->disable_cxsr)
- crtc->wm.cxsr_allowed = true;
+ cstate->wm.cxsr_allowed = true;
if (crtc->atomic.update_wm_post)
intel_update_watermarks(&crtc->base);
@@ -4766,6 +4767,7 @@ static void intel_post_plane_update(struct intel_crtc *crtc)
static void intel_pre_plane_update(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->base.state);
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
struct drm_plane *p;
@@ -4798,7 +4800,7 @@ static void intel_pre_plane_update(struct intel_crtc *crtc)
intel_pre_disable_primary(&crtc->base);
if (atomic->disable_cxsr) {
- crtc->wm.cxsr_allowed = false;
+ cstate->wm.cxsr_allowed = false;
intel_set_memory_cxsr(dev_priv, false);
}
}
@@ -14127,7 +14129,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
intel_crtc->cursor_cntl = ~0;
intel_crtc->cursor_size = ~0;
- intel_crtc->wm.cxsr_allowed = true;
+ crtc_state->wm.cxsr_allowed = true;
BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index cdc7d6d..c23cf7d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -328,6 +328,21 @@ struct intel_crtc_scaler_state {
int scaler_id;
};
+struct intel_pipe_wm {
+ struct intel_wm_level wm[5];
+ uint32_t linetime;
+ bool fbc_wm_enabled;
+ bool pipe_enabled;
+ bool sprites_enabled;
+ bool sprites_scaled;
+};
+
+struct skl_pipe_wm {
+ struct skl_wm_level wm[8];
+ struct skl_wm_level trans_wm;
+ uint32_t linetime;
+};
+
struct intel_crtc_state {
struct drm_crtc_state base;
@@ -463,6 +478,20 @@ struct intel_crtc_state {
/* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */
bool disable_lp_wm;
+
+ struct {
+ /*
+ * final watermarks, programmed post-vblank when this state
+ * is committed
+ */
+ union {
+ struct intel_pipe_wm ilk;
+ struct skl_pipe_wm skl;
+ } active;
+
+ /* allow CxSR on this pipe */
+ bool cxsr_allowed;
+ } wm;
};
struct vlv_wm_state {
@@ -474,15 +503,6 @@ struct vlv_wm_state {
bool cxsr;
};
-struct intel_pipe_wm {
- struct intel_wm_level wm[5];
- uint32_t linetime;
- bool fbc_wm_enabled;
- bool pipe_enabled;
- bool sprites_enabled;
- bool sprites_scaled;
-};
-
struct intel_mmio_flip {
struct work_struct work;
struct drm_i915_private *i915;
@@ -490,12 +510,6 @@ struct intel_mmio_flip {
struct intel_crtc *crtc;
};
-struct skl_pipe_wm {
- struct skl_wm_level wm[8];
- struct skl_wm_level trans_wm;
- uint32_t linetime;
-};
-
/*
* Tracking of operations that need to be performed at the beginning/end of an
* atomic commit, outside the atomic section where interrupts are disabled.
@@ -564,16 +578,6 @@ struct intel_crtc {
bool cpu_fifo_underrun_disabled;
bool pch_fifo_underrun_disabled;
- /* per-pipe watermark state */
- struct {
- /* watermarks currently being used */
- struct intel_pipe_wm active;
- /* SKL wm values currently in use */
- struct skl_pipe_wm skl_active;
- /* allow CxSR on this pipe */
- bool cxsr_allowed;
- } wm;
-
int scanline_offset;
struct intel_crtc_atomic_commit atomic;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 44e361c..0e28806 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1116,6 +1116,7 @@ static void vlv_invert_wms(struct intel_crtc *crtc)
static void vlv_compute_wm(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->base.state);
struct vlv_wm_state *wm_state = &crtc->wm_state;
struct intel_plane *plane;
int sr_fifo_size = INTEL_INFO(dev)->num_pipes * 512 - 1;
@@ -1123,7 +1124,7 @@ static void vlv_compute_wm(struct intel_crtc *crtc)
memset(wm_state, 0, sizeof(*wm_state));
- wm_state->cxsr = crtc->pipe != PIPE_C && crtc->wm.cxsr_allowed;
+ wm_state->cxsr = crtc->pipe != PIPE_C && cstate->wm.cxsr_allowed;
if (IS_CHERRYVIEW(dev))
wm_state->num_levels = CHV_WM_NUM_LEVELS;
else
@@ -2340,7 +2341,9 @@ static void ilk_compute_wm_config(struct drm_device *dev,
/* Compute the currently _active_ config */
for_each_intel_crtc(dev, intel_crtc) {
- const struct intel_pipe_wm *wm = &intel_crtc->wm.active;
+ const struct intel_crtc_state *cstate =
+ to_intel_crtc_state(intel_crtc->base.state);
+ const struct intel_pipe_wm *wm = &cstate->wm.active.ilk;
if (!wm->pipe_enabled)
continue;
@@ -2437,7 +2440,9 @@ static void ilk_merge_wm_level(struct drm_device *dev,
ret_wm->enable = true;
for_each_intel_crtc(dev, intel_crtc) {
- const struct intel_pipe_wm *active = &intel_crtc->wm.active;
+ const struct intel_crtc_state *cstate =
+ to_intel_crtc_state(intel_crtc->base.state);
+ const struct intel_pipe_wm *active = &cstate->wm.active.ilk;
const struct intel_wm_level *wm = &active->wm[level];
if (!active->pipe_enabled)
@@ -2583,14 +2588,15 @@ static void ilk_compute_wm_results(struct drm_device *dev,
/* LP0 register values */
for_each_intel_crtc(dev, intel_crtc) {
+ const struct intel_crtc_state *cstate =
+ to_intel_crtc_state(intel_crtc->base.state);
enum pipe pipe = intel_crtc->pipe;
- const struct intel_wm_level *r =
- &intel_crtc->wm.active.wm[0];
+ const struct intel_wm_level *r = &cstate->wm.active.ilk.wm[0];
if (WARN_ON(!r->enable))
continue;
- results->wm_linetime[pipe] = intel_crtc->wm.active.linetime;
+ results->wm_linetime[pipe] = cstate->wm.active.ilk.linetime;
results->wm_pipe[pipe] =
(r->pri_val << WM0_PIPE_PLANE_SHIFT) |
@@ -3583,16 +3589,16 @@ static bool skl_update_pipe_wm(struct drm_crtc *crtc,
struct skl_ddb_allocation *ddb, /* out */
struct skl_pipe_wm *pipe_wm /* out */)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
skl_compute_wm_pipe_parameters(crtc, params);
skl_allocate_pipe_ddb(crtc, config, params, ddb);
skl_compute_pipe_wm(crtc, ddb, params, pipe_wm);
- if (!memcmp(&intel_crtc->wm.skl_active, pipe_wm, sizeof(*pipe_wm)))
+ if (!memcmp(&cstate->wm.active.skl, pipe_wm, sizeof(*pipe_wm)))
return false;
- intel_crtc->wm.skl_active = *pipe_wm;
+ cstate->wm.active.skl = *pipe_wm;
return true;
}
@@ -3762,10 +3768,10 @@ static void ilk_update_wm(struct drm_crtc *crtc)
intel_compute_pipe_wm(cstate, &pipe_wm);
- if (!memcmp(&intel_crtc->wm.active, &pipe_wm, sizeof(pipe_wm)))
+ if (!memcmp(&cstate->wm.active.ilk, &pipe_wm, sizeof(pipe_wm)))
return;
- intel_crtc->wm.active = pipe_wm;
+ cstate->wm.active.ilk = pipe_wm;
ilk_program_watermarks(dev_priv);
}
@@ -3820,7 +3826,8 @@ static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc)
struct drm_i915_private *dev_priv = dev->dev_private;
struct skl_wm_values *hw = &dev_priv->wm.skl_hw;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct skl_pipe_wm *active = &intel_crtc->wm.skl_active;
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
+ struct skl_pipe_wm *active = &cstate->wm.active.skl;
enum pipe pipe = intel_crtc->pipe;
int level, i, max_level;
uint32_t temp;
@@ -3883,7 +3890,8 @@ static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc)
struct drm_i915_private *dev_priv = dev->dev_private;
struct ilk_wm_values *hw = &dev_priv->wm.hw;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_pipe_wm *active = &intel_crtc->wm.active;
+ struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
+ struct intel_pipe_wm *active = &cstate->wm.active.ilk;
enum pipe pipe = intel_crtc->pipe;
static const unsigned int wm0_pipe_reg[] = {
[PIPE_A] = WM0_PIPEA_ILK,
--
2.1.4
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