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isl: Round up some pitches to 512B for Gen12's CCS

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Gen12's CCS requires that the main surface have a pitch aligned to 512B.

v2. Provide a BSpec citation. (Ken)

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Nanley Chery
2019-04-23 15:28:18 -07:00
parent f6aefa94cc
commit 07e16221d9
1 changed files with 14 additions and 6 deletions
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20
src/intel/isl/isl.c
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@@ -1386,18 +1386,26 @@ isl_calc_row_pitch(const struct isl_device *dev,
isl_calc_min_row_pitch(dev, surf_info, tile_info, phys_total_el,
alignment_B);
uint32_t row_pitch_B = min_row_pitch_B;
if (surf_info->row_pitch_B != 0) {
row_pitch_B = surf_info->row_pitch_B;
if (row_pitch_B < min_row_pitch_B)
if (surf_info->row_pitch_B < min_row_pitch_B)
return false;
if (row_pitch_B % alignment_B != 0)
if (surf_info->row_pitch_B % alignment_B != 0)
return false;
}
const uint32_t row_pitch_B =
surf_info->row_pitch_B != 0 ?
surf_info->row_pitch_B :
/* According to BSpec: 44930, Gen12's CCS-compressed surface pitches
* must be 512B-aligned.
*/
ISL_DEV_GEN(dev) >= 12 &&
isl_format_supports_ccs_e(dev->info, surf_info->format) ?
isl_align(min_row_pitch_B, 512) :
/* Else */
min_row_pitch_B;
const uint32_t row_pitch_tl = row_pitch_B / tile_info->phys_extent_B.width;
if (row_pitch_B == 0)