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authorEric Anholt <eric@anholt.net>2016-08-30 13:57:38 -0700
committerEric Anholt <eric@anholt.net>2016-08-30 14:01:21 -0700
commit313a61d30761217ce4383018de1cc0d5d503a376 (patch)
tree597a8949b6ed31b2bbbf87004f666a6b0d5bdc03 /drivers/gpu/drm/vc4
parent552416c146fadc67cd9b53ef7adf88d3381c43a6 (diff)
downloadtalos-obmc-linux-313a61d30761217ce4383018de1cc0d5d503a376.tar.gz
talos-obmc-linux-313a61d30761217ce4383018de1cc0d5d503a376.zip
drm/vc4: Allow some more signals to be packed with uniform resets.
The intent was to make sure people don't sneak in a small immediate or something to change the interpretation of the uniform update args, but these signals are just fine. Fixes a validation failure in the current X server on some Render operation. Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/vc4')
-rw-r--r--drivers/gpu/drm/vc4/vc4_validate_shaders.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_validate_shaders.c b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
index 46527e989ce3..2543cf5b8b51 100644
--- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c
+++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
@@ -309,8 +309,14 @@ validate_uniform_address_write(struct vc4_validated_shader_info *validated_shade
* of uniforms on each side. However, this scheme is easy to
* validate so it's all we allow for now.
*/
-
- if (QPU_GET_FIELD(inst, QPU_SIG) != QPU_SIG_NONE) {
+ switch (QPU_GET_FIELD(inst, QPU_SIG)) {
+ case QPU_SIG_NONE:
+ case QPU_SIG_SCOREBOARD_UNLOCK:
+ case QPU_SIG_COLOR_LOAD:
+ case QPU_SIG_LOAD_TMU0:
+ case QPU_SIG_LOAD_TMU1:
+ break;
+ default:
DRM_ERROR("uniforms address change must be "
"normal math\n");
return false;
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