[Intel-gfx] [PATCH 4/9] drm/i915: Use enum plane_id in SKL wm code
ville.syrjala at linux.intel.com
ville.syrjala at linux.intel.com
Tue Nov 8 14:47:14 UTC 2016
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Nuke skl_wm_plane_id() and just use the new intel_plane->id.
Cc: Matt Roper <matthew.d.roper at intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Lyude <cpaul at redhat.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 156 +++++++++++++++++-----------------------
1 file changed, 64 insertions(+), 92 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 88e28c989b9c..fd8cbc224b07 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2863,28 +2863,6 @@ bool ilk_disable_lp_wm(struct drm_device *dev)
#define SKL_SAGV_BLOCK_TIME 30 /* µs */
/*
- * Return the index of a plane in the SKL DDB and wm result arrays. Primary
- * plane is always in slot 0, cursor is always in slot I915_MAX_PLANES-1, and
- * other universal planes are in indices 1..n. Note that this may leave unused
- * indices between the top "sprite" plane and the cursor.
- */
-static int
-skl_wm_plane_id(const struct intel_plane *plane)
-{
- switch (plane->base.type) {
- case DRM_PLANE_TYPE_PRIMARY:
- return 0;
- case DRM_PLANE_TYPE_CURSOR:
- return PLANE_CURSOR;
- case DRM_PLANE_TYPE_OVERLAY:
- return plane->plane + 1;
- default:
- MISSING_CASE(plane->base.type);
- return plane->plane;
- }
-}
-
-/*
* FIXME: We still don't have the proper code detect if we need to apply the WA,
* so assume we'll always need it in order to avoid underruns.
*/
@@ -3022,7 +3000,6 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
struct intel_crtc *crtc;
struct intel_plane *plane;
struct intel_crtc_state *cstate;
- struct skl_plane_wm *wm;
enum pipe pipe;
int level, latency;
@@ -3049,7 +3026,8 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
return false;
for_each_intel_plane_on_crtc(dev, crtc, plane) {
- wm = &cstate->wm.skl.optimal.planes[skl_wm_plane_id(plane)];
+ struct skl_plane_wm *wm =
+ &cstate->wm.skl.optimal.planes[plane->id];
/* Skip this plane if it's not enabled */
if (!wm->wm[0].plane_en)
@@ -3148,28 +3126,28 @@ static void skl_ddb_entry_init_from_hw(struct skl_ddb_entry *entry, u32 reg)
void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
struct skl_ddb_allocation *ddb /* out */)
{
- enum pipe pipe;
- int plane;
+ struct intel_crtc *crtc;
u32 val;
memset(ddb, 0, sizeof(*ddb));
- for_each_pipe(dev_priv, pipe) {
+ for_each_intel_crtc(&dev_priv->drm, crtc) {
enum intel_display_power_domain power_domain;
+ enum plane_id plane_id;
+ enum pipe pipe = crtc->pipe;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
continue;
- for_each_universal_plane(dev_priv, pipe, plane) {
- val = I915_READ(PLANE_BUF_CFG(pipe, plane));
- skl_ddb_entry_init_from_hw(&ddb->plane[pipe][plane],
- val);
- }
+ for_each_plane_id_on_crtc(crtc, plane_id) {
+ if (plane_id != PLANE_CURSOR)
+ val = I915_READ(PLANE_BUF_CFG(pipe, plane_id));
+ else
+ val = I915_READ(CUR_BUF_CFG(pipe));
- val = I915_READ(CUR_BUF_CFG(pipe));
- skl_ddb_entry_init_from_hw(&ddb->plane[pipe][PLANE_CURSOR],
- val);
+ skl_ddb_entry_init_from_hw(&ddb->plane[pipe][plane_id], val);
+ }
intel_display_power_put(dev_priv, power_domain);
}
@@ -3270,30 +3248,30 @@ skl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate,
struct drm_crtc_state *cstate = &intel_cstate->base;
struct drm_atomic_state *state = cstate->state;
struct drm_plane *plane;
- const struct intel_plane *intel_plane;
const struct drm_plane_state *pstate;
- unsigned int rate, total_data_rate = 0;
- int id;
+ unsigned int total_data_rate = 0;
if (WARN_ON(!state))
return 0;
/* Calculate and cache data rate for each plane */
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, cstate) {
- id = skl_wm_plane_id(to_intel_plane(plane));
- intel_plane = to_intel_plane(plane);
+ enum plane_id plane_id = to_intel_plane(plane)->id;
+ unsigned int rate;
+
+ /* FIXME cursor shouldn't be here no? */
/* packed/uv */
rate = skl_plane_relative_data_rate(intel_cstate,
pstate, 0);
- plane_data_rate[id] = rate;
+ plane_data_rate[plane_id] = rate;
total_data_rate += rate;
/* y-plane */
rate = skl_plane_relative_data_rate(intel_cstate,
pstate, 1);
- plane_y_data_rate[id] = rate;
+ plane_y_data_rate[plane_id] = rate;
total_data_rate += rate;
}
@@ -3372,17 +3350,16 @@ skl_ddb_calc_min(const struct intel_crtc_state *cstate, int num_active,
struct drm_plane *plane;
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, &cstate->base) {
- struct intel_plane *intel_plane = to_intel_plane(plane);
- int id = skl_wm_plane_id(intel_plane);
+ enum plane_id plane_id = to_intel_plane(plane)->id;
- if (id == PLANE_CURSOR)
+ if (plane_id == PLANE_CURSOR)
continue;
if (!pstate->visible)
continue;
- minimum[id] = skl_ddb_min_alloc(pstate, 0);
- y_minimum[id] = skl_ddb_min_alloc(pstate, 1);
+ minimum[plane_id] = skl_ddb_min_alloc(pstate, 0);
+ y_minimum[plane_id] = skl_ddb_min_alloc(pstate, 1);
}
minimum[PLANE_CURSOR] = skl_cursor_allocation(num_active);
@@ -3402,8 +3379,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
uint16_t minimum[I915_MAX_PLANES] = {};
uint16_t y_minimum[I915_MAX_PLANES] = {};
unsigned int total_data_rate;
+ enum plane_id plane_id;
int num_active;
- int id, i;
unsigned plane_data_rate[I915_MAX_PLANES] = {};
unsigned plane_y_data_rate[I915_MAX_PLANES] = {};
@@ -3438,9 +3415,9 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
* proportional to the data rate.
*/
- for (i = 0; i < I915_MAX_PLANES; i++) {
- alloc_size -= minimum[i];
- alloc_size -= y_minimum[i];
+ for_each_plane_id_on_crtc(intel_crtc, plane_id) {
+ alloc_size -= minimum[plane_id];
+ alloc_size -= y_minimum[plane_id];
}
ddb->plane[pipe][PLANE_CURSOR].start = alloc->end - minimum[PLANE_CURSOR];
@@ -3459,28 +3436,28 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
return 0;
start = alloc->start;
- for (id = 0; id < I915_MAX_PLANES; id++) {
+ for_each_plane_id_on_crtc(intel_crtc, plane_id) {
unsigned int data_rate, y_data_rate;
uint16_t plane_blocks, y_plane_blocks = 0;
- if (id == PLANE_CURSOR)
+ if (plane_id == PLANE_CURSOR)
continue;
- data_rate = plane_data_rate[id];
+ data_rate = plane_data_rate[plane_id];
/*
* allocation for (packed formats) or (uv-plane part of planar format):
* promote the expression to 64 bits to avoid overflowing, the
* result is < available as data_rate / total_data_rate < 1
*/
- plane_blocks = minimum[id];
+ plane_blocks = minimum[plane_id];
plane_blocks += div_u64((uint64_t)alloc_size * data_rate,
total_data_rate);
/* Leave disabled planes at (0,0) */
if (data_rate) {
- ddb->plane[pipe][id].start = start;
- ddb->plane[pipe][id].end = start + plane_blocks;
+ ddb->plane[pipe][plane_id].start = start;
+ ddb->plane[pipe][plane_id].end = start + plane_blocks;
}
start += plane_blocks;
@@ -3488,15 +3465,15 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
/*
* allocation for y_plane part of planar format:
*/
- y_data_rate = plane_y_data_rate[id];
+ y_data_rate = plane_y_data_rate[plane_id];
- y_plane_blocks = y_minimum[id];
+ y_plane_blocks = y_minimum[plane_id];
y_plane_blocks += div_u64((uint64_t)alloc_size * y_data_rate,
total_data_rate);
if (y_data_rate) {
- ddb->y_plane[pipe][id].start = start;
- ddb->y_plane[pipe][id].end = start + y_plane_blocks;
+ ddb->y_plane[pipe][plane_id].start = start;
+ ddb->y_plane[pipe][plane_id].end = start + y_plane_blocks;
}
start += y_plane_blocks;
@@ -3688,11 +3665,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
return 0;
} else {
DRM_DEBUG_KMS("Requested display configuration exceeds system watermark limitations\n");
- DRM_DEBUG_KMS("Plane %d.%d: blocks required = %u/%u, lines required = %u/31\n",
- to_intel_crtc(cstate->base.crtc)->pipe,
- skl_wm_plane_id(to_intel_plane(pstate->plane)),
- res_blocks, ddb_allocation, res_lines);
-
+ DRM_DEBUG_KMS("%s: blocks required = %u/%u, lines required = %u/31\n",
+ pstate->plane->name, res_blocks, ddb_allocation, res_lines);
return -EINVAL;
}
}
@@ -3719,7 +3693,6 @@ skl_compute_wm_level(const struct drm_i915_private *dev_priv,
uint16_t ddb_blocks;
enum pipe pipe = intel_crtc->pipe;
int ret;
- int i = skl_wm_plane_id(intel_plane);
if (state)
intel_pstate =
@@ -3742,7 +3715,7 @@ skl_compute_wm_level(const struct drm_i915_private *dev_priv,
WARN_ON(!intel_pstate->base.fb);
- ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][i]);
+ ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][intel_plane->id]);
ret = skl_compute_plane_wm(dev_priv,
cstate,
@@ -3805,7 +3778,7 @@ static int skl_build_pipe_wm(struct intel_crtc_state *cstate,
for_each_intel_plane_mask(&dev_priv->drm,
intel_plane,
cstate->base.plane_mask) {
- wm = &pipe_wm->planes[skl_wm_plane_id(intel_plane)];
+ wm = &pipe_wm->planes[intel_plane->id];
for (level = 0; level <= max_level; level++) {
ret = skl_compute_wm_level(dev_priv, ddb, cstate,
@@ -3981,17 +3954,16 @@ skl_ddb_add_affected_planes(struct intel_crtc_state *cstate)
struct drm_plane_state *plane_state;
struct drm_plane *plane;
enum pipe pipe = intel_crtc->pipe;
- int id;
WARN_ON(!drm_atomic_get_existing_crtc_state(state, crtc));
drm_for_each_plane_mask(plane, dev, cstate->base.plane_mask) {
- id = skl_wm_plane_id(to_intel_plane(plane));
+ enum plane_id plane_id = to_intel_plane(plane)->id;
- if (skl_ddb_entry_equal(&cur_ddb->plane[pipe][id],
- &new_ddb->plane[pipe][id]) &&
- skl_ddb_entry_equal(&cur_ddb->y_plane[pipe][id],
- &new_ddb->y_plane[pipe][id]))
+ if (skl_ddb_entry_equal(&cur_ddb->plane[pipe][plane_id],
+ &new_ddb->plane[pipe][plane_id]) &&
+ skl_ddb_entry_equal(&cur_ddb->y_plane[pipe][plane_id],
+ &new_ddb->y_plane[pipe][plane_id]))
continue;
plane_state = drm_atomic_get_plane_state(state, plane);
@@ -4103,7 +4075,6 @@ skl_print_wm_changes(const struct drm_atomic_state *state)
const struct intel_plane *intel_plane;
const struct skl_ddb_allocation *old_ddb = &dev_priv->wm.skl_hw.ddb;
const struct skl_ddb_allocation *new_ddb = &intel_state->wm_results.ddb;
- int id;
int i;
for_each_crtc_in_state(state, crtc, cstate, i) {
@@ -4111,11 +4082,11 @@ skl_print_wm_changes(const struct drm_atomic_state *state)
enum pipe pipe = intel_crtc->pipe;
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
+ enum plane_id plane_id = intel_plane->id;
const struct skl_ddb_entry *old, *new;
- id = skl_wm_plane_id(intel_plane);
- old = &old_ddb->plane[pipe][id];
- new = &new_ddb->plane[pipe][id];
+ old = &old_ddb->plane[pipe][plane_id];
+ new = &new_ddb->plane[pipe][plane_id];
if (skl_ddb_entry_equal(old, new))
continue;
@@ -4219,14 +4190,16 @@ static void skl_update_wm(struct intel_crtc *intel_crtc)
* their watermarks updated once we update their planes.
*/
if (intel_crtc->base.state->active_changed) {
- int plane;
-
- for_each_universal_plane(dev_priv, pipe, plane)
- skl_write_plane_wm(intel_crtc, &pipe_wm->planes[plane],
- &results->ddb, plane);
+ enum plane_id plane_id;
- skl_write_cursor_wm(intel_crtc, &pipe_wm->planes[PLANE_CURSOR],
- &results->ddb);
+ for_each_plane_id_on_crtc(intel_crtc, plane_id) {
+ if (plane_id != PLANE_CURSOR)
+ skl_write_plane_wm(intel_crtc, &pipe_wm->planes[plane_id],
+ &results->ddb, plane_id);
+ else
+ skl_write_cursor_wm(intel_crtc, &pipe_wm->planes[plane_id],
+ &results->ddb);
+ }
}
skl_copy_wm_for_pipe(hw_vals, results, pipe);
@@ -4327,7 +4300,6 @@ void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc,
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_plane *intel_plane;
- struct skl_plane_wm *wm;
enum pipe pipe = intel_crtc->pipe;
int level, id, max_level;
uint32_t val;
@@ -4335,20 +4307,20 @@ void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc,
max_level = ilk_wm_max_level(dev_priv);
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- id = skl_wm_plane_id(intel_plane);
- wm = &out->planes[id];
+ enum plane_id plane_id = intel_plane->id;
+ struct skl_plane_wm *wm = &out->planes[plane_id];
for (level = 0; level <= max_level; level++) {
if (id != PLANE_CURSOR)
- val = I915_READ(PLANE_WM(pipe, id, level));
+ val = I915_READ(PLANE_WM(pipe, plane_id, level));
else
val = I915_READ(CUR_WM(pipe, level));
skl_wm_level_from_reg_val(val, &wm->wm[level]);
}
- if (id != PLANE_CURSOR)
- val = I915_READ(PLANE_WM_TRANS(pipe, id));
+ if (plane_id != PLANE_CURSOR)
+ val = I915_READ(PLANE_WM_TRANS(pipe, plane_id));
else
val = I915_READ(CUR_WM_TRANS(pipe));
--
2.7.4
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