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Message-Id: <20140304200259.799131063@linuxfoundation.org>
Date: Tue, 4 Mar 2014 12:01:26 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 3.13 002/172] drm/radeon: fix display tiling setup on SI
3.13-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexander.deucher@....com>
commit 6d8ea7de3f5035610f3bfacbe35e7b71ad1e4663 upstream.
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@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1169,7 +1169,7 @@ static int dce4_crtc_do_set_base(struct
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. */
@@ -1187,13 +1187,14 @@ static int dce4_crtc_do_set_base(struct
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;
--
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