drm/radeon: fix 1 RB harvest config setup for TN/RL

The logic was reversed from what the hw actually exposed.
Fixes graphics corruption in certain harvest configurations.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2015-02-19 16:02:15 -05:00
parent acc1522a54
commit dbfb00c3e7

View file

@ -1088,12 +1088,12 @@ static void cayman_gpu_init(struct radeon_device *rdev)
if ((rdev->config.cayman.max_backends_per_se == 1) &&
(rdev->flags & RADEON_IS_IGP)) {
if ((disabled_rb_mask & 3) == 1) {
/* RB0 disabled, RB1 enabled */
tmp = 0x11111111;
} else {
if ((disabled_rb_mask & 3) == 2) {
/* RB1 disabled, RB0 enabled */
tmp = 0x00000000;
} else {
/* RB0 disabled, RB1 enabled */
tmp = 0x11111111;
}
} else {
tmp = gb_addr_config & NUM_PIPES_MASK;