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drm/radeon: fix display tiling setup on SI 

Apply the same logic as CI to SI for setting up the
display tiling parameters.  The num banks may vary
per tiling index just like CI.

Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=71488
https://bugs.freedesktop.org/show_bug.cgi?id=73946
https://bugs.freedesktop.org/show_bug.cgi?id=74927

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2014-02-17 14:16:31 -05:00
parent 78b0351019
commit 6d8ea7de3f
1 changed files with 7 additions and 6 deletions
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13
drivers/gpu/drm/radeon/atombios_crtc.c
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@ -1176,7 +1176,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
/* Set NUM_BANKS. */
if (rdev->family >= CHIP_BONAIRE) {
if (rdev->family >= CHIP_TAHITI) {
unsigned tileb, index, num_banks, tile_split_bytes;
/* Calculate the macrotile mode index. */
@ -1194,13 +1194,14 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
return -EINVAL;
}
num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
if (rdev->family >= CHIP_BONAIRE)
num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
else
num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 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)
/* NI and older. */
if (rdev->family >= CHIP_CAYMAN)
tmp = rdev->config.cayman.tile_config;
else
tmp = rdev->config.evergreen.tile_config;