Bug#987382: mesa: missing complete upstream fix for more non-coherent RB and GL2 combinations
Source: mesa
Version: 21.0.3-1
Severity: normal
Tags: patch
This patch fixes an incomplete application of an upstream fix for newer Navi22
card such as the 6700 XT resolving screen corruption issues
Upstream commit
https://gitlab.freedesktop.org/mesa/mesa/-/commit/ccc4abdbf4b889fd1467b237c7cc2d0d20770d02
-- System Information:
Debian Release: bullseye/sid
APT prefers testing-security
APT policy: (500, 'testing-security'), (500, 'testing'), (1, 'experimental'),
(1, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.12.0-rc8-custom (SMP w/16 CPU threads)
Kernel taint flags: TAINT_WARN, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -710,6 +710,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
info->num_tcc_blocks = info->max_tcc_blocks;
}
+ info->tcc_rb_non_coherent = !util_is_power_of_two_or_zero(info->num_tcc_blocks);
info->mc_arb_ramcfg = amdinfo->mc_arb_ramcfg;
info->gb_addr_config = amdinfo->gb_addr_cfg;
if (info->chip_class >= GFX9) {
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