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drm/i915: s/plane_res_b/blocks/ etc. 

Rename a bunch of the skl+ watermark struct members to
have sensible names. Avoids me having to think what
plane_res_b/etc. means.

Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210305153610.12177-7-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
This commit is contained in:
Ville Syrjälä 2021-03-05 17:36:10 +02:00
parent a5941b4750
commit 5dac808ace
3 changed files with 112 additions and 116 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -9216,12 +9216,12 @@ static void verify_wm_state(struct intel_crtc *crtc,
drm_err(&dev_priv->drm,
"[PLANE:%d:%s] mismatch in WM%d (expected e=%d b=%u l=%u, got e=%d b=%u l=%u)\n",
plane->base.base.id, plane->base.name, level,
sw_wm_level->plane_en,
sw_wm_level->plane_res_b,
sw_wm_level->plane_res_l,
hw_wm_level->plane_en,
hw_wm_level->plane_res_b,
hw_wm_level->plane_res_l);
sw_wm_level->enable,
sw_wm_level->blocks,
sw_wm_level->lines,
hw_wm_level->enable,
hw_wm_level->blocks,
hw_wm_level->lines);
}
hw_wm_level = &hw->wm.planes[plane->id].trans_wm;
@ -9231,12 +9231,12 @@ static void verify_wm_state(struct intel_crtc *crtc,
drm_err(&dev_priv->drm,
"[PLANE:%d:%s] mismatch in trans WM (expected e=%d b=%u l=%u, got e=%d b=%u l=%u)\n",
plane->base.base.id, plane->base.name,
sw_wm_level->plane_en,
sw_wm_level->plane_res_b,
sw_wm_level->plane_res_l,
hw_wm_level->plane_en,
hw_wm_level->plane_res_b,
hw_wm_level->plane_res_l);
sw_wm_level->enable,
sw_wm_level->blocks,
sw_wm_level->lines,
hw_wm_level->enable,
hw_wm_level->blocks,
hw_wm_level->lines);
}
/* DDB */

6
drivers/gpu/drm/i915/display/intel_display_types.h
View File

@ -725,9 +725,9 @@ struct intel_pipe_wm {
struct skl_wm_level {
u16 min_ddb_alloc;
u16 plane_res_b;
u8 plane_res_l;
bool plane_en;
u16 blocks;
u8 lines;
bool enable;
bool ignore_lines;
bool can_sagv;
};

198
drivers/gpu/drm/i915/intel_pm.c
View File

@ -3893,12 +3893,12 @@ static bool skl_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state)
int level;
/* Skip this plane if it's not enabled */
if (!wm->wm[0].plane_en)
if (!wm->wm[0].enable)
continue;
/* Find the highest enabled wm level for this plane */
for (level = ilk_wm_max_level(dev_priv);
!wm->wm[level].plane_en; --level)
!wm->wm[level].enable; --level)
{ }
/* Highest common enabled wm level for all planes */
@ -3917,7 +3917,7 @@ static bool skl_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state)
* All enabled planes must have enabled a common wm level that
* can tolerate memory latencies higher than sagv_block_time_us
*/
if (wm->wm[0].plane_en && !wm->wm[max_level].can_sagv)
if (wm->wm[0].enable && !wm->wm[max_level].can_sagv)
return false;
}
@ -3936,7 +3936,7 @@ static bool tgl_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state)
const struct skl_plane_wm *wm =
&crtc_state->wm.skl.optimal.planes[plane_id];
if (wm->wm[0].plane_en && !wm->sagv.wm0.plane_en)
if (wm->wm[0].enable && !wm->sagv.wm0.enable)
return false;
}
@ -4987,9 +4987,9 @@ skl_allocate_plane_ddb(struct intel_atomic_state *state,
* Underruns with WM1+ disabled
*/
if (IS_GEN(dev_priv, 11) &&
level == 1 && wm->wm[0].plane_en) {
wm->wm[level].plane_res_b = wm->wm[0].plane_res_b;
wm->wm[level].plane_res_l = wm->wm[0].plane_res_l;
level == 1 && wm->wm[0].enable) {
wm->wm[level].blocks = wm->wm[0].blocks;
wm->wm[level].lines = wm->wm[0].lines;
wm->wm[level].ignore_lines = wm->wm[0].ignore_lines;
}
}
@ -5210,7 +5210,7 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
uint_fixed_16_16_t method1, method2;
uint_fixed_16_16_t selected_result;
u32 res_blocks, res_lines, min_ddb_alloc = 0;
u32 blocks, lines, min_ddb_alloc = 0;
if (latency == 0) {
/* reject it */
@ -5256,24 +5256,22 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
}
}
res_blocks = fixed16_to_u32_round_up(selected_result) + 1;
res_lines = div_round_up_fixed16(selected_result,
wp->plane_blocks_per_line);
blocks = fixed16_to_u32_round_up(selected_result) + 1;
lines = div_round_up_fixed16(selected_result,
wp->plane_blocks_per_line);
if (IS_GEN9_BC(dev_priv) || IS_BROXTON(dev_priv)) {
/* Display WA #1125: skl,bxt,kbl */
if (level == 0 && wp->rc_surface)
res_blocks +=
fixed16_to_u32_round_up(wp->y_tile_minimum);
blocks += fixed16_to_u32_round_up(wp->y_tile_minimum);
/* Display WA #1126: skl,bxt,kbl */
if (level >= 1 && level <= 7) {
if (wp->y_tiled) {
res_blocks +=
fixed16_to_u32_round_up(wp->y_tile_minimum);
res_lines += wp->y_min_scanlines;
blocks += fixed16_to_u32_round_up(wp->y_tile_minimum);
lines += wp->y_min_scanlines;
} else {
res_blocks++;
blocks++;
}
/*
@ -5282,8 +5280,8 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
* Assumption in DDB algorithm optimization for special
* cases. Also covers Display WA #1125 for RC.
*/
if (result_prev->plane_res_b > res_blocks)
res_blocks = result_prev->plane_res_b;
if (result_prev->blocks > blocks)
blocks = result_prev->blocks;
}
}
@ -5291,40 +5289,39 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
if (wp->y_tiled) {
int extra_lines;
if (res_lines % wp->y_min_scanlines == 0)
if (lines % wp->y_min_scanlines == 0)
extra_lines = wp->y_min_scanlines;
else
extra_lines = wp->y_min_scanlines * 2 -
res_lines % wp->y_min_scanlines;
lines % wp->y_min_scanlines;
min_ddb_alloc = mul_round_up_u32_fixed16(res_lines + extra_lines,
min_ddb_alloc = mul_round_up_u32_fixed16(lines + extra_lines,
wp->plane_blocks_per_line);
} else {
min_ddb_alloc = res_blocks +
DIV_ROUND_UP(res_blocks, 10);
min_ddb_alloc = blocks + DIV_ROUND_UP(blocks, 10);
}
}
if (!skl_wm_has_lines(dev_priv, level))
res_lines = 0;
lines = 0;
if (res_lines > 31) {
if (lines > 31) {
/* reject it */
result->min_ddb_alloc = U16_MAX;
return;
}
/*
* If res_lines is valid, assume we can use this watermark level
* If lines is valid, assume we can use this watermark level
* for now. We'll come back and disable it after we calculate the
* DDB allocation if it turns out we don't actually have enough
* blocks to satisfy it.
*/
result->plane_res_b = res_blocks;
result->plane_res_l = res_lines;
result->blocks = blocks;
result->lines = lines;
/* Bspec says: value >= plane ddb allocation -> invalid, hence the +1 here */
result->min_ddb_alloc = max(min_ddb_alloc, res_blocks) + 1;
result->plane_en = true;
result->min_ddb_alloc = max(min_ddb_alloc, blocks) + 1;
result->enable = true;
if (INTEL_GEN(dev_priv) < 12)
result->can_sagv = latency >= dev_priv->sagv_block_time_us;
@ -5370,7 +5367,7 @@ static void skl_compute_transition_wm(struct drm_i915_private *dev_priv,
const struct skl_wm_params *wp)
{
u16 trans_min, trans_amount, trans_y_tile_min;
u16 wm0_sel_res_b, trans_offset_b, res_blocks;
u16 wm0_blocks, trans_offset, blocks;
/* Transition WM don't make any sense if ipc is disabled */
if (!dev_priv->ipc_enabled)
@ -5394,38 +5391,37 @@ static void skl_compute_transition_wm(struct drm_i915_private *dev_priv,
else
trans_amount = 10; /* This is configurable amount */
trans_offset_b = trans_min + trans_amount;
trans_offset = trans_min + trans_amount;
/*
* The spec asks for Selected Result Blocks for wm0 (the real value),
* not Result Blocks (the integer value). Pay attention to the capital
* letters. The value wm_l0->plane_res_b is actually Result Blocks, but
* letters. The value wm_l0->blocks is actually Result Blocks, but
* since Result Blocks is the ceiling of Selected Result Blocks plus 1,
* and since we later will have to get the ceiling of the sum in the
* transition watermarks calculation, we can just pretend Selected
* Result Blocks is Result Blocks minus 1 and it should work for the
* current platforms.
*/
wm0_sel_res_b = wm0->plane_res_b - 1;
wm0_blocks = wm0->blocks - 1;
if (wp->y_tiled) {
trans_y_tile_min =
(u16)mul_round_up_u32_fixed16(2, wp->y_tile_minimum);
res_blocks = max(wm0_sel_res_b, trans_y_tile_min) +
trans_offset_b;
blocks = max(wm0_blocks, trans_y_tile_min) + trans_offset;
} else {
res_blocks = wm0_sel_res_b + trans_offset_b;
blocks = wm0_blocks + trans_offset;
}
res_blocks++;
blocks++;
/*
* Just assume we can enable the transition watermark. After
* computing the DDB we'll come back and disable it if that
* assumption turns out to be false.
*/
trans_wm->plane_res_b = res_blocks;
trans_wm->min_ddb_alloc = max_t(u16, wm0->min_ddb_alloc, res_blocks + 1);
trans_wm->plane_en = true;
trans_wm->blocks = blocks;
trans_wm->min_ddb_alloc = max_t(u16, wm0->min_ddb_alloc, blocks + 1);
trans_wm->enable = true;
}
static int skl_build_plane_wm_single(struct intel_crtc_state *crtc_state,
@ -5600,12 +5596,12 @@ static void skl_write_wm_level(struct drm_i915_private *dev_priv,
{
u32 val = 0;
if (level->plane_en)
if (level->enable)
val |= PLANE_WM_EN;
if (level->ignore_lines)
val |= PLANE_WM_IGNORE_LINES;
val |= level->plane_res_b;
val |= level->plane_res_l << PLANE_WM_LINES_SHIFT;
val |= level->blocks;
val |= level->lines << PLANE_WM_LINES_SHIFT;
intel_de_write_fw(dev_priv, reg, val);
}
@ -5670,10 +5666,10 @@ void skl_write_cursor_wm(struct intel_plane *plane,
bool skl_wm_level_equals(const struct skl_wm_level *l1,
const struct skl_wm_level *l2)
{
return l1->plane_en == l2->plane_en &&
return l1->enable == l2->enable &&
l1->ignore_lines == l2->ignore_lines &&
l1->plane_res_l == l2->plane_res_l &&
l1->plane_res_b == l2->plane_res_b;
l1->lines == l2->lines &&
l1->blocks == l2->blocks;
}
static bool skl_plane_wm_equals(struct drm_i915_private *dev_priv,
@ -5927,66 +5923,66 @@ skl_print_wm_changes(struct intel_atomic_state *state)
"[PLANE:%d:%s] level %cwm0,%cwm1,%cwm2,%cwm3,%cwm4,%cwm5,%cwm6,%cwm7,%ctwm,%cswm,%cstwm"
" -> %cwm0,%cwm1,%cwm2,%cwm3,%cwm4,%cwm5,%cwm6,%cwm7,%ctwm,%cswm,%cstwm\n",
plane->base.base.id, plane->base.name,
enast(old_wm->wm[0].plane_en), enast(old_wm->wm[1].plane_en),
enast(old_wm->wm[2].plane_en), enast(old_wm->wm[3].plane_en),
enast(old_wm->wm[4].plane_en), enast(old_wm->wm[5].plane_en),
enast(old_wm->wm[6].plane_en), enast(old_wm->wm[7].plane_en),
enast(old_wm->trans_wm.plane_en),
enast(old_wm->sagv.wm0.plane_en),
enast(old_wm->sagv.trans_wm.plane_en),
enast(new_wm->wm[0].plane_en), enast(new_wm->wm[1].plane_en),
enast(new_wm->wm[2].plane_en), enast(new_wm->wm[3].plane_en),
enast(new_wm->wm[4].plane_en), enast(new_wm->wm[5].plane_en),
enast(new_wm->wm[6].plane_en), enast(new_wm->wm[7].plane_en),
enast(new_wm->trans_wm.plane_en),
enast(new_wm->sagv.wm0.plane_en),
enast(new_wm->sagv.trans_wm.plane_en));
enast(old_wm->wm[0].enable), enast(old_wm->wm[1].enable),
enast(old_wm->wm[2].enable), enast(old_wm->wm[3].enable),
enast(old_wm->wm[4].enable), enast(old_wm->wm[5].enable),
enast(old_wm->wm[6].enable), enast(old_wm->wm[7].enable),
enast(old_wm->trans_wm.enable),
enast(old_wm->sagv.wm0.enable),
enast(old_wm->sagv.trans_wm.enable),
enast(new_wm->wm[0].enable), enast(new_wm->wm[1].enable),
enast(new_wm->wm[2].enable), enast(new_wm->wm[3].enable),
enast(new_wm->wm[4].enable), enast(new_wm->wm[5].enable),
enast(new_wm->wm[6].enable), enast(new_wm->wm[7].enable),
enast(new_wm->trans_wm.enable),
enast(new_wm->sagv.wm0.enable),
enast(new_wm->sagv.trans_wm.enable));
drm_dbg_kms(&dev_priv->drm,
"[PLANE:%d:%s] lines %c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%4d"
" -> %c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%4d\n",
plane->base.base.id, plane->base.name,
enast(old_wm->wm[0].ignore_lines), old_wm->wm[0].plane_res_l,
enast(old_wm->wm[1].ignore_lines), old_wm->wm[1].plane_res_l,
enast(old_wm->wm[2].ignore_lines), old_wm->wm[2].plane_res_l,
enast(old_wm->wm[3].ignore_lines), old_wm->wm[3].plane_res_l,
enast(old_wm->wm[4].ignore_lines), old_wm->wm[4].plane_res_l,
enast(old_wm->wm[5].ignore_lines), old_wm->wm[5].plane_res_l,
enast(old_wm->wm[6].ignore_lines), old_wm->wm[6].plane_res_l,
enast(old_wm->wm[7].ignore_lines), old_wm->wm[7].plane_res_l,
enast(old_wm->trans_wm.ignore_lines), old_wm->trans_wm.plane_res_l,
enast(old_wm->sagv.wm0.ignore_lines), old_wm->sagv.wm0.plane_res_l,
enast(old_wm->sagv.trans_wm.ignore_lines), old_wm->sagv.trans_wm.plane_res_l,
enast(new_wm->wm[0].ignore_lines), new_wm->wm[0].plane_res_l,
enast(new_wm->wm[1].ignore_lines), new_wm->wm[1].plane_res_l,
enast(new_wm->wm[2].ignore_lines), new_wm->wm[2].plane_res_l,
enast(new_wm->wm[3].ignore_lines), new_wm->wm[3].plane_res_l,
enast(new_wm->wm[4].ignore_lines), new_wm->wm[4].plane_res_l,
enast(new_wm->wm[5].ignore_lines), new_wm->wm[5].plane_res_l,
enast(new_wm->wm[6].ignore_lines), new_wm->wm[6].plane_res_l,
enast(new_wm->wm[7].ignore_lines), new_wm->wm[7].plane_res_l,
enast(new_wm->trans_wm.ignore_lines), new_wm->trans_wm.plane_res_l,
enast(new_wm->sagv.wm0.ignore_lines), new_wm->sagv.wm0.plane_res_l,
enast(new_wm->sagv.trans_wm.ignore_lines), new_wm->sagv.trans_wm.plane_res_l);
enast(old_wm->wm[0].ignore_lines), old_wm->wm[0].lines,
enast(old_wm->wm[1].ignore_lines), old_wm->wm[1].lines,
enast(old_wm->wm[2].ignore_lines), old_wm->wm[2].lines,
enast(old_wm->wm[3].ignore_lines), old_wm->wm[3].lines,
enast(old_wm->wm[4].ignore_lines), old_wm->wm[4].lines,
enast(old_wm->wm[5].ignore_lines), old_wm->wm[5].lines,
enast(old_wm->wm[6].ignore_lines), old_wm->wm[6].lines,
enast(old_wm->wm[7].ignore_lines), old_wm->wm[7].lines,
enast(old_wm->trans_wm.ignore_lines), old_wm->trans_wm.lines,
enast(old_wm->sagv.wm0.ignore_lines), old_wm->sagv.wm0.lines,
enast(old_wm->sagv.trans_wm.ignore_lines), old_wm->sagv.trans_wm.lines,
enast(new_wm->wm[0].ignore_lines), new_wm->wm[0].lines,
enast(new_wm->wm[1].ignore_lines), new_wm->wm[1].lines,
enast(new_wm->wm[2].ignore_lines), new_wm->wm[2].lines,
enast(new_wm->wm[3].ignore_lines), new_wm->wm[3].lines,
enast(new_wm->wm[4].ignore_lines), new_wm->wm[4].lines,
enast(new_wm->wm[5].ignore_lines), new_wm->wm[5].lines,
enast(new_wm->wm[6].ignore_lines), new_wm->wm[6].lines,
enast(new_wm->wm[7].ignore_lines), new_wm->wm[7].lines,
enast(new_wm->trans_wm.ignore_lines), new_wm->trans_wm.lines,
enast(new_wm->sagv.wm0.ignore_lines), new_wm->sagv.wm0.lines,
enast(new_wm->sagv.trans_wm.ignore_lines), new_wm->sagv.trans_wm.lines);
drm_dbg_kms(&dev_priv->drm,
"[PLANE:%d:%s] blocks %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%5d"
" -> %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%5d\n",
plane->base.base.id, plane->base.name,
old_wm->wm[0].plane_res_b, old_wm->wm[1].plane_res_b,
old_wm->wm[2].plane_res_b, old_wm->wm[3].plane_res_b,
old_wm->wm[4].plane_res_b, old_wm->wm[5].plane_res_b,
old_wm->wm[6].plane_res_b, old_wm->wm[7].plane_res_b,
old_wm->trans_wm.plane_res_b,
old_wm->sagv.wm0.plane_res_b,
old_wm->sagv.trans_wm.plane_res_b,
new_wm->wm[0].plane_res_b, new_wm->wm[1].plane_res_b,
new_wm->wm[2].plane_res_b, new_wm->wm[3].plane_res_b,
new_wm->wm[4].plane_res_b, new_wm->wm[5].plane_res_b,
new_wm->wm[6].plane_res_b, new_wm->wm[7].plane_res_b,
new_wm->trans_wm.plane_res_b,
new_wm->sagv.wm0.plane_res_b,
new_wm->sagv.trans_wm.plane_res_b);
old_wm->wm[0].blocks, old_wm->wm[1].blocks,
old_wm->wm[2].blocks, old_wm->wm[3].blocks,
old_wm->wm[4].blocks, old_wm->wm[5].blocks,
old_wm->wm[6].blocks, old_wm->wm[7].blocks,
old_wm->trans_wm.blocks,
old_wm->sagv.wm0.blocks,
old_wm->sagv.trans_wm.blocks,
new_wm->wm[0].blocks, new_wm->wm[1].blocks,
new_wm->wm[2].blocks, new_wm->wm[3].blocks,
new_wm->wm[4].blocks, new_wm->wm[5].blocks,
new_wm->wm[6].blocks, new_wm->wm[7].blocks,
new_wm->trans_wm.blocks,
new_wm->sagv.wm0.blocks,
new_wm->sagv.trans_wm.blocks);
drm_dbg_kms(&dev_priv->drm,
"[PLANE:%d:%s] min_ddb %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%5d"
@ -6210,10 +6206,10 @@ static void ilk_optimize_watermarks(struct intel_atomic_state *state,
static void skl_wm_level_from_reg_val(u32 val, struct skl_wm_level *level)
{
level->plane_en = val & PLANE_WM_EN;
level->enable = val & PLANE_WM_EN;
level->ignore_lines = val & PLANE_WM_IGNORE_LINES;
level->plane_res_b = val & PLANE_WM_BLOCKS_MASK;
level->plane_res_l = (val >> PLANE_WM_LINES_SHIFT) &
level->blocks = val & PLANE_WM_BLOCKS_MASK;
level->lines = (val >> PLANE_WM_LINES_SHIFT) &
PLANE_WM_LINES_MASK;
}