diff options
Diffstat (limited to 'testing/mesa/git_fixes.patch')
-rw-r--r-- | testing/mesa/git_fixes.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/testing/mesa/git_fixes.patch b/testing/mesa/git_fixes.patch new file mode 100644 index 000000000..22372b328 --- /dev/null +++ b/testing/mesa/git_fixes.patch @@ -0,0 +1,36 @@ +From 804995807dfea9cbdbd676e52b95d42715101913 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Fri, 08 Jul 2011 22:30:48 +0000 +Subject: i965/gen4: Fix GPU hangs since the program streaming change. + +This was tricky. We were doing a use-before-initialize of +grf_reg_count, but the value usually got overwritten anyway -- when we +didn't have to do a relocation (typical), or on gen5 when we didn't +have relocations at all. + +Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38771 +Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> +(cherry picked from commit d03fdc4cdefdfdc5b59547945704c6037a5061c7) +--- +diff --git a/src/mesa/drivers/dri/i965/brw_vs_state.c b/src/mesa/drivers/dri/i965/brw_vs_state.c +index d5010a2..179ca19 100644 +--- a/src/mesa/drivers/dri/i965/brw_vs_state.c ++++ b/src/mesa/drivers/dri/i965/brw_vs_state.c +@@ -47,6 +47,7 @@ brw_prepare_vs_unit(struct brw_context *brw) + memset(vs, 0, sizeof(*vs)); + + /* BRW_NEW_PROGRAM_CACHE | CACHE_NEW_VS_PROG */ ++ vs->thread0.grf_reg_count = ALIGN(brw->vs.prog_data->total_grf, 16) / 16 - 1; + vs->thread0.kernel_start_pointer = + brw_program_reloc(brw, + brw->vs.state_offset + +@@ -54,7 +55,6 @@ brw_prepare_vs_unit(struct brw_context *brw) + brw->vs.prog_offset + + (vs->thread0.grf_reg_count << 1)) >> 6; + +- vs->thread0.grf_reg_count = ALIGN(brw->vs.prog_data->total_grf, 16) / 16 - 1; + vs->thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754; + /* Choosing multiple program flow means that we may get 2-vertex threads, + * which will have the channel mask for dwords 4-7 enabled in the thread, +-- +cgit v0.8.3-6-g21f6 |