#define INTEL_RC6p_ENABLE (1<<1)
#define INTEL_RC6pp_ENABLE (1<<2)
-static void gen9_init_clock_gating(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- /* WaEnableLbsSlaRetryTimerDecrement:skl */
- I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) |
- GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
-
- /* WaDisableKillLogic:bxt,skl */
- I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
- ECOCHK_DIS_TLB);
-}
-
-static void skl_init_clock_gating(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- gen9_init_clock_gating(dev);
-
- if (INTEL_REVID(dev) <= SKL_REVID_D0) {
- /* WaDisableHDCInvalidation:skl */
- I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
- BDW_DISABLE_HDC_INVALIDATION);
-
- /* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */
- I915_WRITE(FF_SLICE_CS_CHICKEN2,
- _MASKED_BIT_ENABLE(GEN9_TSG_BARRIER_ACK_DISABLE));
- }
-
- /* GEN8_L3SQCREG4 has a dependency with WA batch so any new changes
- * involving this register should also be added to WA batch as required.
- */
- if (INTEL_REVID(dev) <= SKL_REVID_E0)
- /* WaDisableLSQCROPERFforOCL:skl */
- I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) |
- GEN8_LQSC_RO_PERF_DIS);
-
- /* WaEnableGapsTsvCreditFix:skl */
- if (IS_SKYLAKE(dev) && (INTEL_REVID(dev) >= SKL_REVID_C0)) {
- I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
- GEN9_GAPS_TSV_CREDIT_DISABLE));
- }
-}
-
static void bxt_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- gen9_init_clock_gating(dev);
-
/* WaDisableSDEUnitClockGating:bxt */
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
*/
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_HDCUNIT_CLOCK_GATE_DISABLE_HDCREQ);
-
- /* WaStoreMultiplePTEenable:bxt */
- /* This is a requirement according to Hardware specification */
- if (INTEL_REVID(dev) == BXT_REVID_A0)
- I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_TLBPF);
-
- /* WaSetClckGatingDisableMedia:bxt */
- if (INTEL_REVID(dev) == BXT_REVID_A0) {
- I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) &
- ~GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE));
- }
}
static void i915_pineview_get_mem_freq(struct drm_device *dev)
return DIV_ROUND_UP(pri_val * 64, horiz_pixels * bytes_per_pixel) + 2;
}
+struct skl_pipe_wm_parameters {
+ bool active;
+ uint32_t pipe_htotal;
+ uint32_t pixel_rate; /* in KHz */
+ struct intel_plane_wm_parameters plane[I915_MAX_PLANES];
+};
+
struct ilk_wm_maximums {
uint16_t pri;
uint16_t spr;
#define SKL_DDB_SIZE 896 /* in blocks */
#define BXT_DDB_SIZE 512
-/*
- * 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;
- }
-}
-
static void
skl_ddb_get_pipe_allocation_limits(struct drm_device *dev,
- const struct intel_crtc_state *cstate,
+ struct drm_crtc *for_crtc,
const struct intel_wm_config *config,
+ const struct skl_pipe_wm_parameters *params,
struct skl_ddb_entry *alloc /* out */)
{
- struct drm_crtc *for_crtc = cstate->base.crtc;
struct drm_crtc *crtc;
unsigned int pipe_size, ddb_size;
int nth_active_pipe;
- if (!cstate->base.active) {
+ if (!params->active) {
alloc->start = 0;
alloc->end = 0;
return;
int plane;
u32 val;
+ memset(ddb, 0, sizeof(*ddb));
+
for_each_pipe(dev_priv, pipe) {
+ if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe)))
+ continue;
+
for_each_plane(dev_priv, pipe, plane) {
val = I915_READ(PLANE_BUF_CFG(pipe, plane));
skl_ddb_entry_init_from_hw(&ddb->plane[pipe][plane],
}
static unsigned int
-skl_plane_relative_data_rate(const struct intel_crtc_state *cstate,
- const struct drm_plane_state *pstate,
- int y)
+skl_plane_relative_data_rate(const struct intel_plane_wm_parameters *p, int y)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
- struct drm_framebuffer *fb = pstate->fb;
/* for planar format */
- if (fb->pixel_format == DRM_FORMAT_NV12) {
+ if (p->y_bytes_per_pixel) {
if (y) /* y-plane data rate */
- return intel_crtc->config->pipe_src_w *
- intel_crtc->config->pipe_src_h *
- drm_format_plane_cpp(fb->pixel_format, 0);
+ return p->horiz_pixels * p->vert_pixels * p->y_bytes_per_pixel;
else /* uv-plane data rate */
- return (intel_crtc->config->pipe_src_w/2) *
- (intel_crtc->config->pipe_src_h/2) *
- drm_format_plane_cpp(fb->pixel_format, 1);
+ return (p->horiz_pixels/2) * (p->vert_pixels/2) * p->bytes_per_pixel;
}
/* for packed formats */
- return intel_crtc->config->pipe_src_w *
- intel_crtc->config->pipe_src_h *
- drm_format_plane_cpp(fb->pixel_format, 0);
+ return p->horiz_pixels * p->vert_pixels * p->bytes_per_pixel;
}
/*
* 3 * 4096 * 8192 * 4 < 2^32
*/
static unsigned int
-skl_get_total_relative_data_rate(const struct intel_crtc_state *cstate)
+skl_get_total_relative_data_rate(struct intel_crtc *intel_crtc,
+ const struct skl_pipe_wm_parameters *params)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
- struct drm_device *dev = intel_crtc->base.dev;
- const struct intel_plane *intel_plane;
unsigned int total_data_rate = 0;
+ int plane;
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- const struct drm_plane_state *pstate = intel_plane->base.state;
+ for (plane = 0; plane < intel_num_planes(intel_crtc); plane++) {
+ const struct intel_plane_wm_parameters *p;
- if (pstate->fb == NULL)
+ p = ¶ms->plane[plane];
+ if (!p->enabled)
continue;
- /* packed/uv */
- total_data_rate += skl_plane_relative_data_rate(cstate,
- pstate,
- 0);
-
- if (pstate->fb->pixel_format == DRM_FORMAT_NV12)
- /* y-plane */
- total_data_rate += skl_plane_relative_data_rate(cstate,
- pstate,
- 1);
+ total_data_rate += skl_plane_relative_data_rate(p, 0); /* packed/uv */
+ if (p->y_bytes_per_pixel) {
+ total_data_rate += skl_plane_relative_data_rate(p, 1); /* y-plane */
+ }
}
return total_data_rate;
}
static void
-skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
+skl_allocate_pipe_ddb(struct drm_crtc *crtc,
const struct intel_wm_config *config,
+ const struct skl_pipe_wm_parameters *params,
struct skl_ddb_allocation *ddb /* out */)
{
- struct drm_crtc *crtc = cstate->base.crtc;
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_plane *intel_plane;
enum pipe pipe = intel_crtc->pipe;
struct skl_ddb_entry *alloc = &ddb->pipe[pipe];
uint16_t alloc_size, start, cursor_blocks;
uint16_t minimum[I915_MAX_PLANES];
uint16_t y_minimum[I915_MAX_PLANES];
unsigned int total_data_rate;
+ int plane;
- skl_ddb_get_pipe_allocation_limits(dev, cstate, config, alloc);
+ skl_ddb_get_pipe_allocation_limits(dev, crtc, config, params, alloc);
alloc_size = skl_ddb_entry_size(alloc);
if (alloc_size == 0) {
memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
alloc->end -= cursor_blocks;
/* 1. Allocate the mininum required blocks for each active plane */
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- struct drm_plane *plane = &intel_plane->base;
- struct drm_framebuffer *fb = plane->fb;
- int id = skl_wm_plane_id(intel_plane);
+ for_each_plane(dev_priv, pipe, plane) {
+ const struct intel_plane_wm_parameters *p;
- if (fb == NULL)
- continue;
- if (plane->type == DRM_PLANE_TYPE_CURSOR)
+ p = ¶ms->plane[plane];
+ if (!p->enabled)
continue;
- minimum[id] = 8;
- alloc_size -= minimum[id];
- y_minimum[id] = (fb->pixel_format == DRM_FORMAT_NV12) ? 8 : 0;
- alloc_size -= y_minimum[id];
+ minimum[plane] = 8;
+ alloc_size -= minimum[plane];
+ y_minimum[plane] = p->y_bytes_per_pixel ? 8 : 0;
+ alloc_size -= y_minimum[plane];
}
/*
*
* FIXME: we may not allocate every single block here.
*/
- total_data_rate = skl_get_total_relative_data_rate(cstate);
+ total_data_rate = skl_get_total_relative_data_rate(intel_crtc, params);
start = alloc->start;
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- struct drm_plane *plane = &intel_plane->base;
- struct drm_plane_state *pstate = intel_plane->base.state;
+ for (plane = 0; plane < intel_num_planes(intel_crtc); plane++) {
+ const struct intel_plane_wm_parameters *p;
unsigned int data_rate, y_data_rate;
uint16_t plane_blocks, y_plane_blocks = 0;
- int id = skl_wm_plane_id(intel_plane);
- if (pstate->fb == NULL)
- continue;
- if (plane->type == DRM_PLANE_TYPE_CURSOR)
+ p = ¶ms->plane[plane];
+ if (!p->enabled)
continue;
- data_rate = skl_plane_relative_data_rate(cstate, pstate, 0);
+ data_rate = skl_plane_relative_data_rate(p, 0);
/*
* 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];
plane_blocks += div_u64((uint64_t)alloc_size * data_rate,
total_data_rate);
- ddb->plane[pipe][id].start = start;
- ddb->plane[pipe][id].end = start + plane_blocks;
+ ddb->plane[pipe][plane].start = start;
+ ddb->plane[pipe][plane].end = start + plane_blocks;
start += plane_blocks;
/*
* allocation for y_plane part of planar format:
*/
- if (pstate->fb->pixel_format == DRM_FORMAT_NV12) {
- y_data_rate = skl_plane_relative_data_rate(cstate,
- pstate,
- 1);
- y_plane_blocks = y_minimum[id];
+ if (p->y_bytes_per_pixel) {
+ y_data_rate = skl_plane_relative_data_rate(p, 1);
+ y_plane_blocks = y_minimum[plane];
y_plane_blocks += div_u64((uint64_t)alloc_size * y_data_rate,
total_data_rate);
- ddb->y_plane[pipe][id].start = start;
- ddb->y_plane[pipe][id].end = start + y_plane_blocks;
+ ddb->y_plane[pipe][plane].start = start;
+ ddb->y_plane[pipe][plane].end = start + y_plane_blocks;
start += y_plane_blocks;
}
struct intel_wm_config *config)
{
struct drm_crtc *crtc;
+ struct drm_plane *plane;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
config->num_pipes_active += to_intel_crtc(crtc)->active;
+
+ /* FIXME: I don't think we need those two global parameters on SKL */
+ list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+
+ config->sprites_enabled |= intel_plane->wm.enabled;
+ config->sprites_scaled |= intel_plane->wm.scaled;
+ }
+}
+
+static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
+ struct skl_pipe_wm_parameters *p)
+{
+ struct drm_device *dev = crtc->dev;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ enum pipe pipe = intel_crtc->pipe;
+ struct drm_plane *plane;
+ struct drm_framebuffer *fb;
+ int i = 1; /* Index for sprite planes start */
+
+ p->active = intel_crtc->active;
+ if (p->active) {
+ p->pipe_htotal = intel_crtc->config->base.adjusted_mode.crtc_htotal;
+ p->pixel_rate = skl_pipe_pixel_rate(intel_crtc->config);
+
+ fb = crtc->primary->state->fb;
+ /* For planar: Bpp is for uv plane, y_Bpp is for y plane */
+ if (fb) {
+ p->plane[0].enabled = true;
+ p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
+ drm_format_plane_cpp(fb->pixel_format, 1) :
+ drm_format_plane_cpp(fb->pixel_format, 0);
+ p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
+ drm_format_plane_cpp(fb->pixel_format, 0) : 0;
+ p->plane[0].tiling = fb->modifier[0];
+ } else {
+ p->plane[0].enabled = false;
+ p->plane[0].bytes_per_pixel = 0;
+ p->plane[0].y_bytes_per_pixel = 0;
+ p->plane[0].tiling = DRM_FORMAT_MOD_NONE;
+ }
+ p->plane[0].horiz_pixels = intel_crtc->config->pipe_src_w;
+ p->plane[0].vert_pixels = intel_crtc->config->pipe_src_h;
+ p->plane[0].rotation = crtc->primary->state->rotation;
+
+ fb = crtc->cursor->state->fb;
+ p->plane[PLANE_CURSOR].y_bytes_per_pixel = 0;
+ if (fb) {
+ p->plane[PLANE_CURSOR].enabled = true;
+ p->plane[PLANE_CURSOR].bytes_per_pixel = fb->bits_per_pixel / 8;
+ p->plane[PLANE_CURSOR].horiz_pixels = crtc->cursor->state->crtc_w;
+ p->plane[PLANE_CURSOR].vert_pixels = crtc->cursor->state->crtc_h;
+ } else {
+ p->plane[PLANE_CURSOR].enabled = false;
+ p->plane[PLANE_CURSOR].bytes_per_pixel = 0;
+ p->plane[PLANE_CURSOR].horiz_pixels = 64;
+ p->plane[PLANE_CURSOR].vert_pixels = 64;
+ }
+ }
+
+ list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+
+ if (intel_plane->pipe == pipe &&
+ plane->type == DRM_PLANE_TYPE_OVERLAY)
+ p->plane[i++] = intel_plane->wm;
+ }
}
static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
- struct intel_crtc_state *cstate,
- struct intel_plane *intel_plane,
+ struct skl_pipe_wm_parameters *p,
+ struct intel_plane_wm_parameters *p_params,
uint16_t ddb_allocation,
int level,
uint16_t *out_blocks, /* out */
uint8_t *out_lines /* out */)
{
- struct drm_plane *plane = &intel_plane->base;
- struct drm_framebuffer *fb = plane->state->fb;
uint32_t latency = dev_priv->wm.skl_latency[level];
uint32_t method1, method2;
uint32_t plane_bytes_per_line, plane_blocks_per_line;
uint32_t selected_result;
uint8_t bytes_per_pixel;
- if (latency == 0 || !cstate->base.active || !fb)
+ if (latency == 0 || !p->active || !p_params->enabled)
return false;
- bytes_per_pixel = (fb->pixel_format == DRM_FORMAT_NV12) ?
- drm_format_plane_cpp(DRM_FORMAT_NV12, 0) :
- drm_format_plane_cpp(DRM_FORMAT_NV12, 1);
- method1 = skl_wm_method1(skl_pipe_pixel_rate(cstate),
+ bytes_per_pixel = p_params->y_bytes_per_pixel ?
+ p_params->y_bytes_per_pixel :
+ p_params->bytes_per_pixel;
+ method1 = skl_wm_method1(p->pixel_rate,
bytes_per_pixel,
latency);
- method2 = skl_wm_method2(skl_pipe_pixel_rate(cstate),
- cstate->base.adjusted_mode.crtc_htotal,
- cstate->pipe_src_w,
+ method2 = skl_wm_method2(p->pixel_rate,
+ p->pipe_htotal,
+ p_params->horiz_pixels,
bytes_per_pixel,
- fb->modifier[0],
+ p_params->tiling,
latency);
- plane_bytes_per_line = cstate->pipe_src_w * bytes_per_pixel;
+ plane_bytes_per_line = p_params->horiz_pixels * bytes_per_pixel;
plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512);
- if (fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
- fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) {
+ if (p_params->tiling == I915_FORMAT_MOD_Y_TILED ||
+ p_params->tiling == I915_FORMAT_MOD_Yf_TILED) {
uint32_t min_scanlines = 4;
uint32_t y_tile_minimum;
- if (intel_rotation_90_or_270(plane->state->rotation)) {
- int bpp = (fb->pixel_format == DRM_FORMAT_NV12) ?
- drm_format_plane_cpp(fb->pixel_format, 1) :
- drm_format_plane_cpp(fb->pixel_format, 0);
-
- switch (bpp) {
+ if (intel_rotation_90_or_270(p_params->rotation)) {
+ switch (p_params->bytes_per_pixel) {
case 1:
min_scanlines = 16;
break;
res_lines = DIV_ROUND_UP(selected_result, plane_blocks_per_line);
if (level >= 1 && level <= 7) {
- if (fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
- fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)
+ if (p_params->tiling == I915_FORMAT_MOD_Y_TILED ||
+ p_params->tiling == I915_FORMAT_MOD_Yf_TILED)
res_lines += 4;
else
res_blocks++;
static void skl_compute_wm_level(const struct drm_i915_private *dev_priv,
struct skl_ddb_allocation *ddb,
- struct intel_crtc_state *cstate,
+ struct skl_pipe_wm_parameters *p,
+ enum pipe pipe,
int level,
+ int num_planes,
struct skl_wm_level *result)
{
- struct drm_device *dev = dev_priv->dev;
- struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
- struct intel_plane *intel_plane;
uint16_t ddb_blocks;
- enum pipe pipe = intel_crtc->pipe;
-
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- int i = skl_wm_plane_id(intel_plane);
+ int i;
+ for (i = 0; i < num_planes; i++) {
ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][i]);
result->plane_en[i] = skl_compute_plane_wm(dev_priv,
- cstate,
- intel_plane,
+ p, &p->plane[i],
ddb_blocks,
level,
&result->plane_res_b[i],
&result->plane_res_l[i]);
}
+
+ ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][PLANE_CURSOR]);
+ result->plane_en[PLANE_CURSOR] = skl_compute_plane_wm(dev_priv, p,
+ &p->plane[PLANE_CURSOR],
+ ddb_blocks, level,
+ &result->plane_res_b[PLANE_CURSOR],
+ &result->plane_res_l[PLANE_CURSOR]);
}
static uint32_t
-skl_compute_linetime_wm(struct intel_crtc_state *cstate)
+skl_compute_linetime_wm(struct drm_crtc *crtc, struct skl_pipe_wm_parameters *p)
{
- if (!cstate->base.active)
+ if (!to_intel_crtc(crtc)->active)
return 0;
- if (WARN_ON(skl_pipe_pixel_rate(cstate) == 0))
+ if (WARN_ON(p->pixel_rate == 0))
return 0;
- return DIV_ROUND_UP(8 * cstate->base.adjusted_mode.crtc_htotal * 1000,
- skl_pipe_pixel_rate(cstate));
+ return DIV_ROUND_UP(8 * p->pipe_htotal * 1000, p->pixel_rate);
}
-static void skl_compute_transition_wm(struct intel_crtc_state *cstate,
+static void skl_compute_transition_wm(struct drm_crtc *crtc,
+ struct skl_pipe_wm_parameters *params,
struct skl_wm_level *trans_wm /* out */)
{
- struct drm_crtc *crtc = cstate->base.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_plane *intel_plane;
+ int i;
- if (!cstate->base.active)
+ if (!params->active)
return;
/* Until we know more, just disable transition WMs */
- for_each_intel_plane_on_crtc(crtc->dev, intel_crtc, intel_plane) {
- int i = skl_wm_plane_id(intel_plane);
-
+ for (i = 0; i < intel_num_planes(intel_crtc); i++)
trans_wm->plane_en[i] = false;
- }
+ trans_wm->plane_en[PLANE_CURSOR] = false;
}
-static void skl_compute_pipe_wm(struct intel_crtc_state *cstate,
+static void skl_compute_pipe_wm(struct drm_crtc *crtc,
struct skl_ddb_allocation *ddb,
+ struct skl_pipe_wm_parameters *params,
struct skl_pipe_wm *pipe_wm)
{
- struct drm_device *dev = cstate->base.crtc->dev;
+ struct drm_device *dev = crtc->dev;
const struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int level, max_level = ilk_wm_max_level(dev);
for (level = 0; level <= max_level; level++) {
- skl_compute_wm_level(dev_priv, ddb, cstate,
- level, &pipe_wm->wm[level]);
+ skl_compute_wm_level(dev_priv, ddb, params, intel_crtc->pipe,
+ level, intel_num_planes(intel_crtc),
+ &pipe_wm->wm[level]);
}
- pipe_wm->linetime = skl_compute_linetime_wm(cstate);
+ pipe_wm->linetime = skl_compute_linetime_wm(crtc, params);
- skl_compute_transition_wm(cstate, &pipe_wm->trans_wm);
+ skl_compute_transition_wm(crtc, params, &pipe_wm->trans_wm);
}
static void skl_compute_wm_results(struct drm_device *dev,
+ struct skl_pipe_wm_parameters *p,
struct skl_pipe_wm *p_wm,
struct skl_wm_values *r,
struct intel_crtc *intel_crtc)
}
static bool skl_update_pipe_wm(struct drm_crtc *crtc,
+ struct skl_pipe_wm_parameters *params,
struct intel_wm_config *config,
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_allocate_pipe_ddb(cstate, config, ddb);
- skl_compute_pipe_wm(cstate, ddb, pipe_wm);
+ 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)))
return false;
*/
list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list,
base.head) {
+ struct skl_pipe_wm_parameters params = {};
struct skl_pipe_wm pipe_wm = {};
bool wm_changed;
if (!intel_crtc->active)
continue;
- wm_changed = skl_update_pipe_wm(&intel_crtc->base, config,
+ wm_changed = skl_update_pipe_wm(&intel_crtc->base,
+ ¶ms, config,
&r->ddb, &pipe_wm);
/*
*/
WARN_ON(!wm_changed);
- skl_compute_wm_results(dev, &pipe_wm, r, intel_crtc);
+ skl_compute_wm_results(dev, ¶ms, &pipe_wm, r, intel_crtc);
r->dirty[intel_crtc->pipe] = true;
}
}
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct skl_pipe_wm_parameters params = {};
struct skl_wm_values *results = &dev_priv->wm.skl_results;
struct skl_pipe_wm pipe_wm = {};
struct intel_wm_config config = {};
skl_compute_wm_global_parameters(dev, &config);
- if (!skl_update_pipe_wm(crtc, &config, &results->ddb, &pipe_wm))
+ if (!skl_update_pipe_wm(crtc, ¶ms, &config,
+ &results->ddb, &pipe_wm))
return;
- skl_compute_wm_results(dev, &pipe_wm, results, intel_crtc);
+ skl_compute_wm_results(dev, ¶ms, &pipe_wm, results, intel_crtc);
results->dirty[intel_crtc->pipe] = true;
skl_update_other_pipe_wm(dev, crtc, &config, results);
dev_priv->wm.skl_hw = *results;
}
+static void
+skl_update_sprite_wm(struct drm_plane *plane, struct drm_crtc *crtc,
+ uint32_t sprite_width, uint32_t sprite_height,
+ int pixel_size, bool enabled, bool scaled)
+{
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ struct drm_framebuffer *fb = plane->state->fb;
+
+ intel_plane->wm.enabled = enabled;
+ intel_plane->wm.scaled = scaled;
+ intel_plane->wm.horiz_pixels = sprite_width;
+ intel_plane->wm.vert_pixels = sprite_height;
+ intel_plane->wm.tiling = DRM_FORMAT_MOD_NONE;
+
+ /* For planar: Bpp is for UV plane, y_Bpp is for Y plane */
+ intel_plane->wm.bytes_per_pixel =
+ (fb && fb->pixel_format == DRM_FORMAT_NV12) ?
+ drm_format_plane_cpp(plane->state->fb->pixel_format, 1) : pixel_size;
+ intel_plane->wm.y_bytes_per_pixel =
+ (fb && fb->pixel_format == DRM_FORMAT_NV12) ?
+ drm_format_plane_cpp(plane->state->fb->pixel_format, 0) : 0;
+
+ /*
+ * Framebuffer can be NULL on plane disable, but it does not
+ * matter for watermarks if we assume no tiling in that case.
+ */
+ if (fb)
+ intel_plane->wm.tiling = fb->modifier[0];
+ intel_plane->wm.rotation = plane->state->rotation;
+
+ skl_update_wm(crtc);
+}
+
static void ilk_update_wm(struct drm_crtc *crtc)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
WARN_ON(cstate->base.active != intel_crtc->active);
- /*
- * IVB workaround: must disable low power watermarks for at least
- * one frame before enabling scaling. LP watermarks can be re-enabled
- * when scaling is disabled.
- *
- * WaCxSRDisabledForSpriteScaling:ivb
- */
- if (cstate->disable_lp_wm) {
- ilk_disable_lp_wm(dev);
- intel_wait_for_vblank(dev, intel_crtc->pipe);
- }
-
intel_compute_pipe_wm(cstate, &pipe_wm);
if (!memcmp(&intel_crtc->wm.active, &pipe_wm, sizeof(pipe_wm)))
ilk_write_wm_values(dev_priv, &results);
}
+static void
+ilk_update_sprite_wm(struct drm_plane *plane,
+ struct drm_crtc *crtc,
+ uint32_t sprite_width, uint32_t sprite_height,
+ int pixel_size, bool enabled, bool scaled)
+{
+ struct drm_device *dev = plane->dev;
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+
+ /*
+ * IVB workaround: must disable low power watermarks for at least
+ * one frame before enabling scaling. LP watermarks can be re-enabled
+ * when scaling is disabled.
+ *
+ * WaCxSRDisabledForSpriteScaling:ivb
+ */
+ if (IS_IVYBRIDGE(dev) && scaled && ilk_disable_lp_wm(dev))
+ intel_wait_for_vblank(dev, intel_plane->pipe);
+
+ ilk_update_wm(crtc);
+}
+
static void skl_pipe_wm_active_state(uint32_t val,
struct skl_pipe_wm *active,
bool is_transwm,
dev_priv->display.update_wm(crtc);
}
+void intel_update_sprite_watermarks(struct drm_plane *plane,
+ struct drm_crtc *crtc,
+ uint32_t sprite_width,
+ uint32_t sprite_height,
+ int pixel_size,
+ bool enabled, bool scaled)
+{
+ struct drm_i915_private *dev_priv = plane->dev->dev_private;
+
+ if (dev_priv->display.update_sprite_wm)
+ dev_priv->display.update_sprite_wm(plane, crtc,
+ sprite_width, sprite_height,
+ pixel_size, enabled, scaled);
+}
+
/**
* Lock protecting IPS related data structures
*/
if (IS_BROXTON(dev))
dev_priv->display.init_clock_gating =
bxt_init_clock_gating;
- else if (IS_SKYLAKE(dev))
- dev_priv->display.init_clock_gating =
- skl_init_clock_gating;
dev_priv->display.update_wm = skl_update_wm;
+ dev_priv->display.update_sprite_wm = skl_update_sprite_wm;
} else if (HAS_PCH_SPLIT(dev)) {
ilk_setup_wm_latency(dev);
(!IS_GEN5(dev) && dev_priv->wm.pri_latency[0] &&
dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) {
dev_priv->display.update_wm = ilk_update_wm;
+ dev_priv->display.update_sprite_wm = ilk_update_sprite_wm;
} else {
DRM_DEBUG_KMS("Failed to read display plane latency. "
"Disable CxSR\n");
projects / karo-tx-linux.git / blobdiff