On 02/09/2015 12:29, Chris Wilson wrote:
Fixes regression from
commit f1afe24f0e736b9d7f2275e2b1504af3fe612f2a
Author: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>
Date: Tue Aug 4 16:22:20 2015 +0100
drm/i915: Change SRM, LRM instructions to use correct length
which forgot to account for the length bias when declaring the fixed
length.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91844
Reported-by: Andreas Reis <andreas.reis@xxxxxxxxx>
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Dave Gordon <david.s.gordon@xxxxxxxxx>
Cc: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/i915/i915_cmd_parser.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index ad7d7ab76d3f..09932cab1a3f 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -124,14 +124,14 @@ static const struct drm_i915_cmd_descriptor common_cmds[] = {
CMD( MI_STORE_DWORD_INDEX, SMI, !F, 0xFF, R ),
CMD( MI_LOAD_REGISTER_IMM(1), SMI, !F, 0xFF, W,
.reg = { .offset = 1, .mask = 0x007FFFFC, .step = 2 } ),
- CMD( MI_STORE_REGISTER_MEM, SMI, F, 1, W | B,
+ CMD( MI_STORE_REGISTER_MEM, SMI, F, 3, W | B,
.reg = { .offset = 1, .mask = 0x007FFFFC },
.bits = {{
.offset = 0,
.mask = MI_GLOBAL_GTT,
.expected = 0,
}}, ),
- CMD( MI_LOAD_REGISTER_MEM, SMI, F, 1, W | B,
+ CMD( MI_LOAD_REGISTER_MEM, SMI, F, 3, W | B,
.reg = { .offset = 1, .mask = 0x007FFFFC },
.bits = {{
.offset = 0,
My mistake, I should have verified on Gen7 hw.
Reviewed-by: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>
regards
Arun
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
