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drm/radeon: set correct number of banks for CIK chips in DCE

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We don't have the NUM_BANKS parameter, so we have to calculate it
from the other parameters. NUM_BANKS is not constant on CIK.

This fixes 2D tiling for the display engine on CIK.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2013-12-23 17:11:36 +01:00 committed by Alex Deucher
parent 35a905282b
commit e3ea94a60f
1 changed files with 43 additions and 21 deletions
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64
drivers/gpu/drm/radeon/atombios_crtc.c
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@ -1143,31 +1143,53 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
}
if (tiling_flags & RADEON_TILING_MACRO) {
if (rdev->family >= CHIP_BONAIRE)
tmp = rdev->config.cik.tile_config;
else if (rdev->family >= CHIP_TAHITI)
tmp = rdev->config.si.tile_config;
else if (rdev->family >= CHIP_CAYMAN)
tmp = rdev->config.cayman.tile_config;
else
tmp = rdev->config.evergreen.tile_config;
evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
switch ((tmp & 0xf0) >> 4) {
case 0: /* 4 banks */
fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
break;
case 1: /* 8 banks */
default:
fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
break;
case 2: /* 16 banks */
fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
break;
/* Set NUM_BANKS. */
if (rdev->family >= CHIP_BONAIRE) {
unsigned tileb, index, num_banks, tile_split_bytes;
/* Calculate the macrotile mode index. */
tile_split_bytes = 64 << tile_split;
tileb = 8 * 8 * target_fb->bits_per_pixel / 8;
tileb = min(tile_split_bytes, tileb);
for (index = 0; tileb > 64; index++) {
tileb >>= 1;
}
if (index >= 16) {
DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n",
target_fb->bits_per_pixel, tile_split);
return -EINVAL;
}
num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks);
} else {
/* SI and older. */
if (rdev->family >= CHIP_TAHITI)
tmp = rdev->config.si.tile_config;
else if (rdev->family >= CHIP_CAYMAN)
tmp = rdev->config.cayman.tile_config;
else
tmp = rdev->config.evergreen.tile_config;
switch ((tmp & 0xf0) >> 4) {
case 0: /* 4 banks */
fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
break;
case 1: /* 8 banks */
default:
fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
break;
case 2: /* 16 banks */
fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
break;
}
}
fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);