diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 46 |
1 files changed, 31 insertions, 15 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index fb187c78978f..229be38cc6ca 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1177,27 +1177,43 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, /* Set NUM_BANKS. */ if (rdev->family >= CHIP_TAHITI) { - unsigned tileb, index, num_banks, tile_split_bytes; + unsigned index, num_banks; - /* 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); + if (rdev->family >= CHIP_BONAIRE) { + unsigned tileb, tile_split_bytes; - for (index = 0; tileb > 64; index++) { - tileb >>= 1; - } + /* 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); - if (index >= 16) { - DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", - target_fb->bits_per_pixel, tile_split); - return -EINVAL; - } + 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; + } - if (rdev->family >= CHIP_BONAIRE) num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; - else + } else { + switch (target_fb->bits_per_pixel) { + case 8: + index = 10; + break; + case 16: + index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; + break; + default: + case 32: + index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; + break; + } + num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; + } + fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); } else { /* NI and older. */ |